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Mariod, Abdalbasit Adam, i Suzy Munir Salama. "The Efficacy of Processing Strategies on the Gastroprotective Potentiality of Chenopodium quinoa Seeds". Scientific World Journal 2020 (28.05.2020): 1–16. http://dx.doi.org/10.1155/2020/6326452.
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The current study has been conducted to evaluate the effect of different processing techniques on the 2,2-diphenyl-1-picrylhydrazyl (DPPH) scavenging capacity and the gastroprotective potential of Chenopodium quinoa red seeds in acute gastric injury induced by absolute ethanol in rats. Seven groups of female Sprague Dawley rats were assigned to normal and absolute ethanol (absolute EtOH) groups, given distilled water, reference control omeprazole (OMP, 20 mg/kg), pressure-cooked quinoa seeds (QP, 200 mg/kg), first stage-germinated quinoa seeds (QG, 200 mg/kg), Lactobacillus plantarum bacteria-fermented quinoa seeds (QB, 200 mg/kg), and Rhizopus oligosporus fungus-fermented quinoa seeds (QF, 200 mg/kg). One hour after treatment, all groups were given absolute ethanol, except for the normal control rats. All animals were sacrificed after an additional hour, and the stomach tissues were examined for histopathology of hematoxylin and eosin staining, immunohistochemistry of cyclooxygenase 2 (COX-2), and nitric oxide synthase (iNOS). Stomach homogenates were evaluated for oxidative stress parameters and prostaglandin E2 (PGE2). Gene expression was performed for gastric tumor necrosis factor alpha (TNF-α) and nuclear factor kappa of B cells (NF-kB). QB and QG recorded the highest DPPH scavengers compared to QF and QP. The gastroprotective potential of QB was comparable to that of OMP, followed by QF, then QG, and QP as confirmed by the histopathology, immunohistochemistry, and gene expression assessments. In conclusion, differently processed red quinoa seeds revealed variable antioxidant capacity and gastroprotective potential, while the bacterial fermented seeds (QB) showed the highest potential compared to the other processing techniques. These results might offer promising new therapy in the treatment of acute gastric injury.
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Baumgartner, Brad D. "Potentiality of the Present: Exploring Speculative Realism VIA Spatial Theory". Human Geography 5, nr 1 (marzec 2012): 36–41. http://dx.doi.org/10.1177/194277861200500104.
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In this essay, I propose a new alliance between speculative realism and spatial theory. Whether interpreted as an avant-garde movement or simply as part of an evolution in human thought, the Speculative Turn in continental philosophy has an important link to spatial studies, a field replete with the study of imaginative and speculative texts. By applying various spatial theories to this unique philosophical movement, and thereby implicating ourselves within a space where we become linked in spatial being, we can endeavor to think the absolute from a place of ‘radical contingency’ and spatiality. This analysis, then, historicizes the movement via its academic and para-academic manifestations, as it asserts a mode of remembering that invokes the loss of cultural amnesia. Thus, it demonstrates that speculative realism is a good candidate for further critical inquiry, but also that spatial studies, with its interdisciplinary lens often informing and creating the cultural worlds we inhabit, is a good candidate for speculative realism to cast its exploratory vision.
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DAI, Z. N., J. C. Soares i M. F. Silva. "POTENTIALITY OF PIXE TO MEASURE MULTILAYER FILM THICKNESS THROUGH COMPUTER SIMULATION". International Journal of PIXE 07, nr 03n04 (styczeń 1997): 277–85. http://dx.doi.org/10.1142/s012908359700031x.
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In this paper a method concerning the measurement of film thickness using PIXE analysis through computer simulation is described. Because of continuously decreasing cross sections for X-ray production by irradiation with the decreasing energy of the incident beam, PIXE has some potentiality to measure film thickness through computer simulation. Ratio of intensities of X-rays of two different elements is sensitive to the changes of energy and geometrical parameters, therefore by changing ion beam energy or the geometrical parameters, we can determine the film thickness to a good accuracy. This method doesn't require any kind of absolute calibration of experimental parameters, as only the ratios of X-ray intensities are taken into consideration. Therefore the inaccuracy in the procedure is only of statistical origin. A titanium film on molybdenum substrate is used as an example of the method. Preliminary result on a very thin Cr/Nd/Fe multilayer film on silicon substrate is presented to show the advantages and possible use of the method. More complex samples, such as multilayer samples with several elements in each layer, can be dealt with the same means too.
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Aliaiev, G. E., i A. S. Tsygankov. "SIMON L. FRANK: LIFE AND DOCTRINE". RUDN Journal of Philosophy 23, nr 2 (15.12.2019): 172–91. http://dx.doi.org/10.22363/2313-2302-2019-23-2-172-191.
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The article discusses major biographical milestones and provides a general evolution of philosophical views of the Russian philosopher Simon L. Frank. At the initial stage of the creative way, Frank is an economist and critical Marxist. Appeal to philosophy in the 1900s characterized by the influence of neo-Kantianism, the immanent philosophy and philosophy of life. Around 1908-12 Frank’s transition to the position of metaphysics begins to take shape his own philosophical system, absolute realism. One of the main features of the work of Frank is consistency. Throughout his creative career, the philosopher developed the deepened and detailed original philosophical intuition - the intuition of the supra-rational unity of being - which was already fixed in his early philosophical works. Absolute being is a concrete metalogical reality, revealed in the living knowledge Simultaneously, the potentiality and transfiniteness of absolute being acts as the basis of individuality and creativity of man, the source of his freedom. The philosophical method of Frank, rational comprehension of rationally incomprehensible, based on the principle of antinomic monodualism. Philosophy of religion unfolds as a phenomenological analysis of religious experience. In the social political field Frank justifies the position of liberal conservatism and Christian realism.
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Calero Hurtado, Alexander, Elieni Quintero Rodríguez, Yanery Pérez Díaz, Janet Jiménez Hernández i Iván Castro Lizazo. "Association between AzoFert® and efficient microorganism potentiates the growth and productivity of beans". Revista de la Facultad de Agronomía, Universidad del Zulia 37, nr 4 (15.09.2020): 387–409. http://dx.doi.org/10.47280/revfacagron(luz).v37.n4.04.
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To evaluate the association between AzoFert® and efficient microorganisms (EM) in the morphological and productive response of common bean in three sowing season, three experiments were developed at the Collective farmer "Martires de Taguasco", Sancti Spíritus, Cuba, from September 2014 to April 2015. The treatments evaluated were the absolute Control: without inoculating and without fertilizing, foliar applications of EM (100 mg.L-1), inoculation of the seeds with AzoFert® (108 cfu.g-1) and the associate between AzoFert® + EM. The indicators evaluated were: the height of the plants (cm), the number of leaves per plant, legumes per plant, grains per plant, mass of 100 grains (g) and yield (t.ha-1). The results showed that the treatments with EM, AzoFert® and the association between AzoFert® + EM achieved higher responses of the morphological and productive indicators on the intermediate sowing period (EI) in comparison to early (ET) and late season (EA). The AzoFert® + EM association treatments showed better performance compared with the individual application of EM and AzoFert® also increase the indicators evaluated and the yield was higher ~102 % in early season, ~113 % in the intermediate and 111 % in the late season in relationship to absolute control. The findings established the potentiality of the association of AzoFert® + ME as an efficient alternative to increase bean productivity and could potentially lead to sustained increase in crop yield.
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Taschin, Andrea, Paolo Bartolini, Jordanka Tasseva, Jana Striova, Raffaella Fontana, Cristiano Riminesi i Renato Torre. "Drawing materials studied by THz spectroscopy". ACTA IMEKO 6, nr 3 (27.09.2017): 12. http://dx.doi.org/10.21014/acta_imeko.v6i3.447.
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THz time-domain spectroscopy in transmission mode was applied to study dry and wet drawing inks. In specific, cochineal-, indigo- and iron-gall based inks have been investigated; some prepared following ancient recipes and others by using synthetic materials. The THz investigations have been realized on both pellet samples, made by dried inks blended with polyethylene powder, and layered inks, made by liquid deposition on polyethylene pellicles. We implemented an improved THz spectroscopic technique that enabled the measurement of the material optical parameters and thicknesses of the layered ink samples on absolute scale. This experimental investigation shows that the THz techniques have the potentiality to recognize drawing inks by their spectroscopic features.
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Denkova, Lidia. "Heart and Ashes – the ‘Next’ Ciphers". Sledva : Journal for University Culture, nr 40 (7.04.2020): 6–13. http://dx.doi.org/10.33919/sledva.20.40.2.
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The question “What next?” is a key one to all philosophical theories that consider causality, continuum, discontinuity, potentiality, and, more generally, probability. The notion of "cause" (aitia) and the rigid causality are based on what was said in the Fifth Book of Aristotle's Metaphysics, but ancient atomists, especially Plato, introduced the possibility of free "bifurcation of consequences", of symmetry and asymmetry of "next", which commence from an absolute new beginning. The principle of an absolute new beginning follows the interpretation of the myth of the deluge in De sapientia Veterum (1609) by Francis Bacon. The "logical pluralism" of numerous cause and effect relationships as well as the continuity principle (as formulated by Leibniz) are encompassed in two ciphers in accordance with the classical definition of cipher by Karl Jaspers. The cipher “sameness” and the cipher “change” suggest that we ask ourselves once again about Aristotle's "probable impossibility", and the starting point is the little-known myth of Dionysus, torn to pieces and restored to a new body thanks to his heart, as well as the creation of humanity from the ashes of the stricken Titans.
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De Miranda, Luis. "Think Into the Place of the Other". International Journal of Philosophical Practice 7, nr 1 (2021): 89–103. http://dx.doi.org/10.5840/ijpp2021717.
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The present article introduces eight empirically-tested concepts that guide the crealectic practice of philosophical counseling: philosophical health, deep listening, the Creal, the possible, imparadisation, deep orientation, eudynamia , and mental heroism. The crealectic framework is grounded on a process-philosophy axiom of absolute possibility and continuous cosmological and cosmopolitical creation, termed "Creal". The approach also posits that there are three complementary modes of intelligence, namely analytic, dialectic, and crealectic, the balance of which is necessary to live a healthy human life. Beyond what is physically possible and psychologically possible, an underestimated force of social and personal deployment is the philosophical possible . In a context of personal counseling and philosophical care, the crealectic approach endeavors to slowly connect the patient to a field of harmonious and generative potentiality termed eudynamia.
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Arabameri, Alireza, Jagabandhu Roy, Sunil Saha, Thomas Blaschke, Omid Ghorbanzadeh i Dieu Tien Bui. "Application of Probabilistic and Machine Learning Models for Groundwater Potentiality Mapping in Damghan Sedimentary Plain, Iran". Remote Sensing 11, nr 24 (14.12.2019): 3015. http://dx.doi.org/10.3390/rs11243015.
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Groundwater is one of the most important natural resources, as it regulates the earth’s hydrological system. The Damghan sedimentary plain area, located in the region of a semi-arid climate of Iran, has very critical conditions of groundwater due to massive pressure on it and is in need of robust models for identifying the groundwater potential zones (GWPZ). The main goal of the current research is to prepare a groundwater potentiality map (GWPM) considering the probabilistic, machine learning, data mining, and multi-criteria decision analysis (MCDA) approaches. For this purpose, 80 wells collected from the Iranian groundwater resource department and field investigation with global positioning system (GPS), have been selected randomly and considered as the groundwater inventory datasets. Out of 80 wells, 56 (70%) wells have been brought into play for modeling and 24 (30%) for validation purposes. Elevation, slope, aspect, convergence index (CI), rainfall, drainage density (Dd), distance to river, distance to fault, distance to road, lithology, soil type, land use/land cover (LU/LC), normalized difference vegetation index (NDVI), topographic wetness index (TWI), topographic position index (TPI), and stream power index (SPI) have been used for modeling purpose. The area under the receiver operating characteristic (AUROC), sensitivity (SE), specificity (SP), accuracy (AC), mean absolute error (MAE), and root mean square error (RMSE) are used for checking the goodness-of-fit and prediction accuracy of approaches to compare their performance. In addition, the influence of groundwater determining factors (GWDFs) on groundwater occurrence was evaluated by performing a sensitivity analysis model. The GWPMs, produced by technique for order preference by similarity to ideal solution (TOPSIS), random forest (RF), binary logistic regression (BLR), weight of evidence (WoE) and support vector machine (SVM) have been classified into four categories, i.e., low, medium, high and very high groundwater potentiality with the help of the natural break classification methods in the GIS environment. The very high groundwater potentiality class is covered 15.09% for TOPSIS, 15.46% for WoE, 25.26% for RF, 15.47% for BLR, and 18.74% for SVM of the entire plain area. Based on sensitivity analysis, distance from river, and drainage density represent significantly effects on the groundwater occurrence. validation results show that the BLR model with best prediction accuracy and goodness-of-fit outperforms the other five models. Although, all models have very good performance in modeling of groundwater potential. Results of seed cell area index model that used for checking accuracy classification of models show that all models have suitable performance. Therefore, these are promising models that can be applied for the GWPZs identification, which will help for some needful action of these areas.
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Hewitt, George. "Conditional and Other Functions of Forms in /-(zα(.))r/ in Abkhaz". Iran and the Caucasus 12, nr 1 (2008): 57–71. http://dx.doi.org/10.1163/157338408x326208.
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AbstractProtases ('if'-clauses) in the North West Caucasian language Abkhaz are mostly marked by either /-r/ or /-zα.r/, depending on the tense and/or type of verb (Stative or Dynamic) concerned. The article presents examples of this conditional usage and the role of protasis-type forms in both temporal and interrogative expressions as well as in complementiser-function. The complementisers in question share the semantic feature of irrealis with conditionals. A rhotic element is also found in the non-finite form of the Future I tense, in the Masdar (verbal noun), and in such converbs as the Purposives, the Resultative and the Future Absolute. The article attempts to link the semantic notions of futurity, potentiality, indefiniteness or general irrealis to the rhotic element and asks what might have been the historical development resulting in the forms attested today and thus their original morphological segmentation.
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Guimarães, Gabriel do Nascimento, Denizar Blitzkow, Riccardo Barzaghi i Ana Cristina Oliveira Cancoro de Matos. "The computation of the geoid model in the state of São Paulo using two methodologies and GOCE models". Boletim de Ciências Geodésicas 20, nr 1 (marzec 2014): 183–203. http://dx.doi.org/10.1590/s1982-21702014000100012.
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The purpose of this manuscript is to compute and to evaluate the geoid model in the State of São Paulo from two methodologies (Stokes' integral through the Fast Fourier Transform - FFT and Least Squares Collocation - LSC). Another objective of this study is to verify the potentiality of GOCE-based. A special attention is given to GOCE mission. The theory related to Stokes' integral and Least Squares Collocation is also discussed in this work. The spectral decomposition was employed in the geoid models computation and the long wavelength component was represented by EGM2008 up to degree and order 150 and 360 and GOCE-based models up to 150. The models were compared in terms of geoid height residual and absolute and relative comparisons from GPS/leveling and the results show consistency between them. In addition, a comparison in the mountain regions was carried out to verify the methodologies behavior in this area; the results showed that LSC is less consistent than FFT.
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Doraipandian, Manivannan, i Periasamy Neelamegam. "Wireless Sensor Network Using ARM Processors". International Journal of Embedded and Real-Time Communication Systems 4, nr 4 (październik 2013): 48–59. http://dx.doi.org/10.4018/ijertcs.2013100103.
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The hardware design of Wireless Sensor Networks (WSN) is the crux of its effective deployment. Nowadays these networks are used in microscopic, secure and high-end embedded products. WSN's potentiality in terms of efficient data sensing and distributed data processing has led to its usage in applications for measurement and tracking. WSN comprises of small number of embedded devices known as sensor nodes, gateways and base stations. Sensor nodes consist of sensors, processors and transceivers. The property of embedded sensor devices, also called motes, is to determine the strength of WSN. Thus processor selection for the motes plays a critical role in determining a WSN's competency. In this article, the absolute and obvious hardware characteristics of available and proposed sensor nodes are discussed. The objective of this work was to increase the efficiency and provision of sensor nodes by evaluating their processing and transceiver units. During this work, a sensor node was developed with ARM processor and XBee series 2 Unit. LPC 2148, LPC 2378 ARM processors were posed as processing unit and XBee series 2 acted as communication unit. Results of this experimental setup were recorded. Also a comparative study of the various available sensor nodes and proposed sensor nodes was done extensively.
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Quan, Guo-zheng, Zhen-yu Zou, Tong Wang, Bo Liu i Jun-chao Li. "Modeling the Hot Deformation Behaviors of As-Extruded 7075 Aluminum Alloy by an Artificial Neural Network with Back-Propagation Algorithm". High Temperature Materials and Processes 36, nr 1 (1.01.2017): 1–13. http://dx.doi.org/10.1515/htmp-2015-0108.
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AbstractIn order to investigate the hot deformation behaviors of as-extruded 7075 aluminum alloy, the isothermal compressive tests were conducted at the temperatures of 573, 623, 673 and 723 K and the strain rates of 0.01, 0.1, 1 and 10 s−1 on a Gleeble 1500 thermo-mechanical simulator. The flow behaviors showing complex characteristics are sensitive to strain, strain rate and temperature. The effects of strain, temperature and strain rate on flow stress were analyzed and dynamic recrystallization (DRX)-type softening characteristics of the flow behaviors with single peak were identified. An artificial neural network (ANN) with back-propagation (BP) algorithm was developed to deal with the complex deformation behavior characteristics based on the experimental data. The performance of ANN model has been evaluated in terms of correlation coefficient (R) and average absolute relative error (AARE). A comparative study on Arrhenius-type constitutive equation and ANN model for as-extruded 7075 aluminum alloy was conducted. Finally, the ANN model was successfully applied to the development of processing map and implanted into finite element simulation. The results have sufficiently articulated that the well-trained ANN model with BP algorithm has excellent capability to deal with the complex flow behaviors of as-extruded 7075 aluminum alloy and has great application potentiality in hot deformation processes.
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Tatla, Helen. "Classical architecture in the scope of Kantian aesthetics: Between Lyotard and Rancière". SAJ - Serbian Architectural Journal 11, nr 3 (2019): 487–500. http://dx.doi.org/10.5937/saj1903487t.
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Classical architecture's inherent potentiality to constitute the principal architectural expression of western culture since Greek antiquity is due to its dual character: although it comes out from the primordial unity of things expressed by myth and religion in archaic times, it acquires its form of completion in the fifth c. BC, as a symbol of democracy and a harmonic articulation of the world on the ground of philosophical thinking. By placing the avant-guard art in the sphere of the Kantian sublime, Jean-Francois Lyotard focuses on the impossibility of an absolute relation between reason and perception or between thinking and image, in modernity. He considers that in cases where this happens, it gives birth to political monsters. He connects postmodern expressions of classicism in architecture with Freud's "Interpretation of Dreams" and the Kantian beautiful. Jacques Ranciere's approach to a Kantian in basis aesthetic consideration of modernity is opposite to that proposed by Lyotard. Instead of the sublime, Ranciere relates the beautiful with the rupture between thinking and perception . In this respect, fragments of the past can stimulate a creative procedure in the present. This investigation aims to contribute to the dialogue for a renovated approach to the role of classicism in architecture today.
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Hellmann, Eugen, i Benjamin Schraen. "Density of potentially crystalline representations of fixed weight". Compositio Mathematica 152, nr 8 (23.05.2016): 1609–47. http://dx.doi.org/10.1112/s0010437x16007363.
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Let $K$ be a finite extension of $\mathbb{Q}_{p}$ and let $\bar{\unicode[STIX]{x1D70C}}$ be a continuous, absolutely irreducible representation of its absolute Galois group with values in a finite field of characteristic $p$. We prove that the Galois representations that become crystalline of a fixed regular weight after an abelian extension are Zariski-dense in the generic fiber of the universal deformation ring of $\bar{\unicode[STIX]{x1D70C}}$. In fact we deduce this from a similar density result for the space of trianguline representations. This uses an embedding of eigenvarieties for unitary groups into the spaces of trianguline representations as well as the corresponding density claim for eigenvarieties as a global input.
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Gorenko, Oleg. "Human Being in History vs History in Human Being – Part 2: Recipe of Unity of History and Life from Benedetto Croce". Mìžnarodnì zv’âzki Ukraïni: naukovì pošuki ì znahìdki, nr 29 (10.11.2020): 248–72. http://dx.doi.org/10.15407/mzu2020.29.248.
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This article continues the author’s study initiated in the previous number of a given collection. It also regards the specific problem of interconnection between history and psychology. However, in this sequel the main accent is on the style of thinking and value criteria of Benedetto Croce, who is an outstanding European theoretician and methodologist in the sphere of History, original philosopher, authoritative connoisseur of Culture and Arts, an unswerving supporter of high ideals of Italian Risorgimento. The concept of absolute historicity, grounded by the scholar on the basis of deep philosophic probation into mechanisms of historic thinking, had a significant impact both on further development of historic theory and on the formation of new understanding of a role of historic experience for social practice of a full-fledged democracy. Croce’s works help to comprehend the paradoxy of a phenomenon of historic consciousness, which is always modern by its nature. It remains modern irrespective of whatever temporal layers it resurrects at each particular moment of human life. Historic consciousness is an important component of psychologic reality of any human being and that is why it requires a subtle feeling of profound homogeneity. It’s important not to forget that historic consciousness preserves a considerable potentiality of an actual impact on human behaviour in particular and on communicative processes within the frames of society in general. It proves the fact that history is always with the human being and within him. That is why historic policy on the stage of democratic transformation should be especially grounded and should be characterized by a high level of psychologic culture
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Setiawan, Danu Ade. "THE EFFECT OF FINANCIAL LEVERAGE ON DEBT REPAYMENT CAPACITY : EVIDENCE FROM LISTED SHIPPING COMPANY IN INDONESIA". Hasanuddin Economics and Business Review 2, nr 2 (18.10.2018): 113. http://dx.doi.org/10.26487/hebr.v2i2.1513.
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Contrast with its potentiality in the largest Archipelago country on the world, shipping industry in Indonesia show unsatisfactory condition whereas its industry’s national growth is below the overall industries growth and industry’s non-performing loan (NPL) rate is higher than national NPL. This condition is caused by the nature of the shipping industry with a high level of business uncertainty and their liability’s structure are dominated by banks and other financial institutions’ long-term debts. This research examines the relationship between financial leverage variable on the debt repayment capacity variable specifically to the banks and other financial institutions. The research population is shipping companies listed in Indonesia stock exchange with a number of samples is 12 companies. The consolidated financial statements in the period between 2014 and 2015 from the selected sample are used in this research. Based on literature review, the variable of company’s leverage is represented by a debt-equity ratio (DER). On the debt repayment capacity variable, the qualitative research method that is Delphi method is applied to define the ratio represented the variable. As the result, the debt repayment capacity variable is represented by Debt Security Coverage Ratio (DSCR). The statistical method that is used in this research is correlation analysis. Correlation analysis is a group of techniques to measure the relationship between two variables that are financial leverage represented by DER and debt repayment capacity represented by DSCR. The result shows that there is a negative correlation between financial leverage that is represented by DER and debt repayment capacity that is represented by DSCR. However, the correlation between them is considered weak with Pearson correlation coefficient less than 0,5 in absolute value or the influence of DER to the DSCR is insignificant.
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Zartman, I. William. "Negotiating with Terrorists". International Negotiation 8, nr 3 (2003): 443–50. http://dx.doi.org/10.1163/1571806031310815.
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AbstractNegotiating with terrorists is possible, within limits, as the articles in this issue show and explore. Limits come initially in the distinction between absolute and contingent terrorists, and then between revolutionary and conditional absolutes and between barricaders, kidnappers and hijackers in the contingent category. Revolutionary absolute are nonnegotiable adversaries, but even conditional absolutes are potentially negotiable and contingent terrorists actually seek negotiation. The official negotiator is faced with the task of giving a little in order to get the terrorist to give a lot, a particularly difficult imbalance to obtain given the highly committed and desperate nature of terrorists as they follow rational but highly unconventional tactics. Such are the challenges of negotiating with terrorists that this issue of the journal explores and elucidates.
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Ferrari, Francesco Maria. "Towards a dual ontology: duality, a case study". Sofia 7, nr 1 (30.07.2018): 62–79. http://dx.doi.org/10.47456/sofia.v7i1.19403.
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The main aim of this work is to depict the interconnection of the most relvantformal concepts of modal logic and category theory, i.e., bisimulation andduality, arising from the mathematical analysis of physical processes and toshow their relevance with respect to some foundational issues related to the actual ontological debates. Current foundamental physics concerns the non-linear thermodynamics of the quantum eld, whose range is made of far from equilibrium systems and whose basic mechanism of symmetries (patterns) formation supposes the spontaneous breaking of symmetries (SBS). SBS implies that such systems reach unpredictable states. Thus, evolutive and/or far from equilibrium systems are to be conceived primarily as processes and just in a secondary way as objects, for the information they display is always incomplete with respect to their evolution. Formally, this is due to their non-linear mathematical behaviour.This make a question about the ontology of such systems, given thatthe actual most widespread ontologies conceive existent entities just as objects(actualist ontologies). It is claimed that the fundamental dierence and advantage of category theoretic approach to foundation is that, instead of considering objects and operations for what they 'are', as it is in set theory, in and through category theory we are considering them for what they 'do'. This, of course, would constitute a signicative shifting in mathematical philosophy and in foundationof mathematical physics: from a Platonic to an Aristotelian ontology ofmathematics (and, then, of physics). Actually, providing a contribution to thisvery shift is what this paper want to be focused on. In fact, the implicit pointthe present investigation is concerned with is how to treat the potential innite:the modalization of the existence of each object of the domain of quanticationmeans a potentially innite variation of the domain of quantication. The Aristotelian notion of potentiality diers with the usual one (employed by Platonism and/or formalism and/or conceptualism) inasmuch it does not presupposes any actuality. For instance, it is well known that the Platonic presupposition of set theory consists in the fact "that each potential innite, if it is rigorously applicable mathematically, presupposes an actual innite" [Hallett (1984, p. 25)]. In turn, the formalist notion of (absolute) completeness derives directly from that, if only for the actuality of the information a formal system was intended to dispaly.
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Rahman, M., MA Hossain, ME Ali, MFA Anik i F. Alam. "Effects of arbuscular mycorrhizal fungi, rhizobium and phosphorus on mungbean (Vigna radiata) in saline soil". Bangladesh Journal of Agricultural Research 44, nr 1 (10.04.2019): 153–65. http://dx.doi.org/10.3329/bjar.v44i1.40938.
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A pot experiment was carried out in the nethouse of Soil Science Division of Bangladesh Agricultural Research Institute (BARI), Joydebpur, Gazipur in 2017 and 2018 with an objective to evaluate the potentiality of AM fungi, Rhizobium and P in different best combinations on germination (%), growth, yield and yield contributing characters, nodulation, sporulation and nutrient concentration of mungbean under low salinity (4 dSm-1) stress condition. The experiment was designed in CRD with 10 treatments and 4 replications. Mungbean variety BARI Mung-6 was used as a test crop. Peat based rhizobial inoculum (BARI RVr-403) was used in this experiment @ 50 g kg-1 seed and the population density of inoculum being above 108 cfu g-1 inoculant. Soil based AM inoculum containing 275 ± 20 spores and infected root pieces of the host plant was used in each pot. There were 10 treatments viz. T1: Control (Not absolute control), T2: Arbuscular mycorrhiza (AM) + 50% P, T3: AM + 75% P, T4: AM + 100% P, T5: Rhizobium + 50% P, T6: Rhizobium + 75% P, T7: Rhizobium + 100% P, T8: AM + Rhizobium + 50% P, T9: AM + Rhizobium + 75% P and T10: AM + Rhizobium + 100% P. The highest seed yield (2.28 g plant-1, 46.2% higher over control in 2017 and 2.97 g plant-1, 33.8% higher over control in 2018) and stover yield (5.23 g plant-1, 30.8% higher over control in 2017 and 5.67 g plant-1, 32.8% higher over control in 2018) were found in AM + Rhizobium + 75% P treatment. Dual inoculation significantly increased P, S, Mg, Fe, Mn and Zn concentration of mungbean plant compared to control. The results suggest that inoculation of AM fungi and Rhizobium along with 75% of recommended P rate can help increased mungbean yield under low salinity stress condition through influence on nodulation, colonization and nutrient uptake.
Bangladesh J. Agril. Res. 44(1): 153-165, March 2019
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Mills-Knutsen, Joshua. "Becoming Stranger: Defending the Ethics of Absolute Hospitality in a Potentially Hostile World". Religion and the Arts 14, nr 5 (2010): 522–33. http://dx.doi.org/10.1163/156852910x529304.
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AbstractRichard Kearney describes Derrida’s ethics of absolute hospitality as a “fine lesson in tolerance but not necessarily moral judgment.” This paper takes on Kearney’s insistence that ethics requires at least minimal practical discernments of the approaching other in order to safeguard the self in a hostile world. By examining Derrida’s phenomenological investigation into hospitality and combining his conclusions with the ethical practices of desert nomads and ethical luminaries such as Gandhi, this paper unveils that ethics at its heart is a call to vulnerability. As such, any assertion of a power to judge the other is already a violation of the ethical call. Kearney’s search for an ethics of phronetic judgments, no matter how tentative, is challenged as ultimately a desire to eliminate the very vulnerability that makes us human.
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YOUSSEF, NABIL L., AMR M. SID-AHMED i EBTSAM H. TAHA. "ON FINSLERIZED ABSOLUTE PARALLELISM SPACES". International Journal of Geometric Methods in Modern Physics 10, nr 07 (10.06.2013): 1350029. http://dx.doi.org/10.1142/s0219887813500291.
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The aim of this paper is to construct and investigate a Finsler structure within the framework of a Generalized Absolute Parallelism (GAP)-space. The Finsler structure is obtained from the vector fields forming the parallelization of the GAP-space. The resulting space, which we refer to as a Finslerized absolute parallelism (parallelizable) space, combines within its geometric structure the simplicity of GAP-geometry and the richness of Finsler geometry, hence is potentially more suitable for applications and especially for describing physical phenomena. A study of the geometry of the two structures and their interrelation is carried out. Five connections are introduced and their torsion and curvature tensors derived. Some special Finslerized parallelizable spaces are singled out. One of the main reasons to introduce this new space is that both absolute parallelism and Finsler geometries have proved effective in the formulation of physical theories, so it is worthy to try to build a more general geometric structure that would share the benefits of both geometries.
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Bołtuć, Kamila, Ada Bielejewska, Alejandro Coloma-Millar, Robert Dziugieł, Arkadiusz Bociek, Agnieszka Perkowska-Ptasińska i Andrzej Jaroszyński. "Case Report: Cyclophosphamide in COVID-19 – when an absolute contraindication is an absolute necessity". F1000Research 10 (19.08.2021): 829. http://dx.doi.org/10.12688/f1000research.55625.1.
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Background: Despite many studies on COVID-19, our knowledge of it remains incomplete. In some cases, treating SARS-CoV-2 infection concomitant with other diseases can be particularly challenging, as finding an appropriate treatment may involve some risks. Case presentation: A 34-year-old SARS-CoV-2 positive patient admitted due to fever, dyspnoea, haemoptysis and pneumonia, developed alveolar haemorrhage and acute kidney injury. Due to his severe state, abnormalities in laboratory tests and rapidly progressing loss of kidney function, kidney biopsy, as well as antibody panel were carried out, in which perinuclear anti-neutrophil cytoplasmic antibodies (p-ANCA) were found with a high titer (>200; N: <1:20). The results of kidney biopsy, combined with clinical manifestation and laboratory findings prompted the diagnosis of rapidly progressing glomerulonephritis (RPGN) in the course of p-ANCA vasculitis. Initial treatment consisted of heamodialyses, remdesivir, plasmaphereses, intravenous immunoglobulins, antibiotics, corticosteroids and fraxiparine. Once the haemorrhage had subsided, kidney function had been partially retrieved and heamodialyses had no longer been necessary, cyclophosphamide treatment was initiated, despite being contraindicated in COVID-19 according to its summary of product characteristics. Immunotherapy is still continued. The patient has already received a total of 2.4g of cyclophosphamide (4 cycles of 600mg each every three weeks). Pulmonary and radiological regression, as well as improvement of renal parameters have been achieved. Conclusions: We suspect that cyclophosphamide, the drug of choice in p-ANCA vasculitis, could be a potential factor providing regression of the radiological changes in the lungs and it could have prevented the patient from developing acute respiratory distress syndrome. COVID-19 diagnosis should not exclude searching for other diseases which can have a similar course. When treating a patient in a life-threatening condition, a departure from trying to find the perfect timing of cyclophosphamide delivery should be considered, as delaying it could cause potentially greater harm.
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Preite, Marcelo D., Juan Zinczuk, María I. Colombo, José A. Bacigaluppo, Manuel González-Sierra i Edmundo A. Rúveda. "Resolution and absolute configuration of a tricyclic lactone. A potentially useful precursor of highly functionalized terpenoids". Tetrahedron: Asymmetry 4, nr 1 (styczeń 1993): 17–20. http://dx.doi.org/10.1016/s0957-4166(00)86006-1.
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Romagnuolo, Joseph. "Routine Second-Look Endoscopy: Ineffective, Costly, and Potentially Misleading". Canadian Journal of Gastroenterology 18, nr 6 (2004): 401–4. http://dx.doi.org/10.1155/2004/454252.
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Despite the best medical and endoscopic efforts, some patients with nonvariceal upper gastrointestinal bleeding suffer recurrences. Because high risk stigmata (visible vessels, active bleeders and adherent clots) often persist despite apparently successful initial hemostasis and have a variable natural history, it would seem reasonable to at least consider a routine second look endoscopy. However, a review of the literature revealed six randomized trials that, in aggregate, do not support such a strategy. In fact, a second look does not appear to be effective and is associated with an increased number of procedures, treatment sessions and possibly retreatment-related complications. In addition, the cointerventions in these trials are already out of date and the potential absolute risk reductions are low when a second look is used with intravenous proton pump inhibitors and/or the application of endoscopic hemoclips or combination endoscopic therapy. Finally, the Forrest classification may provide dangerously misleading estimates of prognosis because it is being used out of context. This review critically analyzes routine second look endoscopy.
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Blevins, Juliette. "Duality of patterning: Absolute universal or statistical tendency?" Language and Cognition 4, nr 4 (grudzień 2012): 275–96. http://dx.doi.org/10.1515/langcog-2012-0016.
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AbstractAs more of the world's languages are described and compared, more absolute universals have joined the class of statistical tendencies. However, few have questioned the universality of the duality of patterning. Following Hockett, most linguists assume that in all human languages, discrete meaningless parts combine to form meaningful units that, themselves, recombine. However, an alternative interpretation, explored in this article, is that duality, like other proposed linguistic universals, is a statistical tendency reflecting a complex set of factors, and most centrally, the need for some minimal number of basic units that can recombine to yield a potentially infinite set of form-meaning correspondences. If this is the essence of duality, then we expect: languages where duality is not a central component of grammar; languages where most, but not all, utterances are decomposable into meaningless phonological units; and different types of phonological building blocks in different languages. These expectations appear to be confirmed by natural language data.
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PREITE, M. D., J. ZINCZUK, M. I. COLOMBO, J. A. BACIGALUPPO, M. GONZALEZ-SIERRA i E. A. RUVEDA. "ChemInform Abstract: Resolution and Absolute Configuration of a Tricyclic Lactone. A Potentially Useful Precursor of Highly Functionalized Terpenoids." ChemInform 24, nr 21 (20.08.2010): no. http://dx.doi.org/10.1002/chin.199321212.
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Shindell, D. T. "Evaluation of the absolute regional temperature potential". Atmospheric Chemistry and Physics 12, nr 17 (6.09.2012): 7955–60. http://dx.doi.org/10.5194/acp-12-7955-2012.
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Abstract. The Absolute Regional Temperature Potential (ARTP) is one of the few climate metrics that provides estimates of impacts at a sub-global scale. The ARTP presented here gives the time-dependent temperature response in four latitude bands (90–28° S, 28° S–28° N, 28–60° N and 60–90° N) as a function of emissions based on the forcing in those bands caused by the emissions. It is based on a large set of simulations performed with a single atmosphere-ocean climate model to derive regional forcing/response relationships. Here I evaluate the robustness of those relationships using the forcing/response portion of the ARTP to estimate regional temperature responses to the historic aerosol forcing in three independent climate models. These ARTP results are in good accord with the actual responses in those models. Nearly all ARTP estimates fall within ±20% of the actual responses, though there are some exceptions for 90–28° S and the Arctic, and in the latter the ARTP may vary with forcing agent. However, for the tropics and the Northern Hemisphere mid-latitudes in particular, the ±20% range appears to be roughly consistent with the 95% confidence interval. Land areas within these two bands respond 39–45% and 9–39% more than the latitude band as a whole. The ARTP, presented here in a slightly revised form, thus appears to provide a relatively robust estimate for the responses of large-scale latitude bands and land areas within those bands to inhomogeneous radiative forcing and thus potentially to emissions as well. Hence this metric could allow rapid evaluation of the effects of emissions policies at a finer scale than global metrics without requiring use of a full climate model.
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Apprey, Maurice. "Group Process in the Resolution of Ethnonational Conflicts: The Case of Estonia". Group Analysis 34, nr 1 (marzec 2001): 99–113. http://dx.doi.org/10.1177/0533316401341009.
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The dimension of alterity as process and trajectory between absolute alterity and relative alterity is the subject of this article. The dimension of alterity as process of engagement between Self and Other that can potentially make continuity out of the antinomies of absolute and relative alterity will be shown to reveal itself in the arena of conflict enactment and resolution between two feuding factions. I propose that Self as agency is an approximation, the Other as absolute a misnomer; and that when Self and Other engage in a process of resolution of conflict, an ambiguous play space opens up fostering an exchange of representations of Self and Other.
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Liu, Tze An, Yi Chen Chuang, Hau Wei Lee, Po Er Hsu i Jin Long Peng. "Precise Absolute Distance Measurement by Dual 70 MHz Mode-Locked Fiber Lasers". Key Engineering Materials 649 (czerwiec 2015): 97–103. http://dx.doi.org/10.4028/www.scientific.net/kem.649.97.
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We employed a gold coated glass cover plate to fabricate the dual compact free running fiber laser combs. It had been used for a difference of repetition rates tunable LIDAR (light detection and ranging) system. Our study shows that the ranging precision is 0.4 μm and the non-ambiguity range is 2.1 m with averaging time of 0.4 s for the distance of 1.09 m. The system with 1 kHz-high update rate and the large non-ambiguity range is potentially useful for manufacturing application applied in absolute distance measurement.
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Zager, R. A., D. S. Conrad i K. Burkhart. "Phospholipase A2: a potentially important determinant of adenosine triphosphate levels during hypoxic-reoxygenation tubular injury." Journal of the American Society of Nephrology 7, nr 11 (listopad 1996): 2327–39. http://dx.doi.org/10.1681/asn.v7112327.
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During the course of O2 deprivation-induced proximal tubular injury, profound alterations in ATP homeostasis exist. This study sought to characterize direct cellular determinants of these abnormalities further. Mouse proximal tubular segments (PTS) were isolated and their adenine nucleotide profiles were determined during hypoxic-reoxygenation injury. The extent of oxidant stress, Ca2+ overload, cytoskeletal disruption, and phospholipase activity were experimentally manipulated by H2O2, Ca2+ ionophore, cytochalasin D, or PLA2 addition, respectively. Hypoxia induced the expected deterioration in adenylate profiles, and a persistent defect in ATP homeostasis was observed during reoxygenation (decreased ATP/ADP ratios and absolute ATP content). H2O2, Ca2+ ionophore, and cytochalasin D had no significant impact on adenylate profiles. However, doses of PLA2 that had no overt effect on normal tubules caused 50 to 75% reductions in both hypoxic and reoxygenation ATP/ADP ratios and absolute ATP content. This effect was completely reproduced by the addition of arachidonic acid (C20:4). No other test fatty acid (C16:0, C18:1, C18:3) reproduced this result. Despite its profound negative impact on hypoxic/reoxygenation ATP concentrations, PLA2 and C20:4 each decreased lethal cell injury (lactate dehydrogenase release), as previously reported. The reductions in ATP and lethal cell injury were not mechanistically linked, because C18:1 and C18:3 reproduced the protective action of C20:4 without altering adenine nucleotide profiles. Ouabain, mannitol, or plasma membrane fatty acid "scavenger" therapy (albumin) did not improve the posthypoxic/PLA2-induced depressions in ATP. The addition of C20:4 caused a modest decrease in posthypoxic tubule oxygen consumption, compared to controls. It was concluded that: (1) PLA2 can be a major determinant of ATP concentrations during both hypoxic and reoxygenation tubular injury; (2) this action is mediated via C20:4 release; (3) a primary defect in mitochondrial ATP production, rather than increased ATP consumption, is likely to be responsible for this action.
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Procter, Alexandra M., Rhiannon M. Pilkington, John W. Lynch, Lisa G. Smithers i Catherine R. Chittleborough. "Potentially preventable hospitalisations in children: a comparison of definitions". Archives of Disease in Childhood 105, nr 4 (30.10.2019): 375–81. http://dx.doi.org/10.1136/archdischild-2019-316945.
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ObjectiveTo compare admission rate, cumulative incidence and social distribution of potentially preventable hospitalisations (PPHs) among children according to the current Australian adult definition, and the child definition developed in New Zealand.Design, setting, participantsDeidentified, linked public hospital, births registry and perinatal data of children aged 0–10 years born 2002–2012 in South Australia (n=1 91 742).Main outcome measuresPPH admission rates among 0–10 year olds and cumulative incidence by age 5 under the adult and child definitions. Cumulative incidence was assessed across indicators of social and health disadvantage.ResultsPPH admission rates among 0–10 year olds were 25.6 (95% CI 25.3 to 25.9) and 59.9 (95% CI 59.5 to 60.4) per 1000 person-years for the adult and child definitions, respectively. Greater absolute differences in admission rates between definitions were observed at younger ages (age <1 difference: 75.6 per 1000 person-years; age 10 difference: 1.4 per 1000 person-years). Cumulative incidence of PPHs among 0–5 year olds was higher under the child (25.0%, 95% CI 24.7 to 25.2) than the adult definition (12.8%, 95% CI 12.6 to 13.0). Higher PPH incidence was associated with social and health disadvantage. Approximately 80% of the difference in admission rate between definitions was due to five conditions.ConclusionsRespiratory conditions and gastroenteritis were key contributors to the higher PPH admission rate and cumulative incidence among children when calculated under the child definition compared to the adult definition. Irrespective of definition, higher PPH cumulative incidence was associated with social and health disadvantage at birth.
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Berneman, Zwi N., Ellen R. Van Gulck, Leo Heyndrickx, Peter Ponsaerts, Viggo F. I. Van Tendeloo i Guido Vanham. "Induction of Potentially Protective HIV-Specific T-Cell Responses In Vitro by Gag mRNA-Electroporated Dendritic Cells." Blood 108, nr 11 (16.11.2006): 1261. http://dx.doi.org/10.1182/blood.v108.11.1261.1261.
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Abstract Human immunodeficiency virus type 1 (HIV-1) infection is characterized by dysfunction of HIV-1-specific T-lymphocytes. In order to suppress the virus and delay evolution to AIDS, antigen-loaded antigen-presenting cells, including dendritic cells (DC) might be useful to boost and broaden HIV-1-specific T-cell responses. Monocyte-derived DC from 15 untreated (“naive”) and 15 highly active anti-retroviral therapy (HAART)-treated HIV-1-infected patients were electroporated with codon-optimized (“humanized”) mRNA encoding consensus HxB-2 (hHxB-2) Gag protein. These DC were co-cultured for 1 week with autologous peripheral blood leucocytes (PBL). Potential expansion of specific T-cells was measured by comparing ELISPOT responses of PBL before and after co-culture, using a pool of overlapping peptides, spanning the HxB-2 Gag. Expansion of specific PBL after co-culture was noted for T cells producing interferon (IFN)-gamma, interleukin (IL)-2 and perforin (Wilcoxon signed rank test p<0.05, except for IL-2 in naive patients). From all HIV-1-seropositive persons tested, 12 HAART-treated and 12 naive patients match in absolute number of CD4+ T-cells. A comparison of the increase of the response between day 0 and after 1 week of stimulation between those two groups showed that the response was higher in HAART-treated subjects for IFN-gamma and IL-2 but not for perforin in comparison to untreated subjects. Examining purified CD4+ and CD8+ T-cells after co-culture revealed that HxB-2 Gag peptides induced IFN-gamma in both subsets, that IL-2 was only secreted by CD4+ T-cells and that perforin was dominantly secreted by CD8+ T-cells. Remarkably, the perforin response in the treatment-naive persons was negatively correlated with the peripheral blood absolute CD4+ and CD8+ T-cell count (respectively R=0.618, p=0.014; and R=0.529, p=0.043). Furthermore, the nadir absolute CD4+ T-cell count in HAART-treated subjects was positively correlated with the IL-2 response (R=0.521, p=0.046) and negatively correlated with the perforin response (R=0.588, p=0.021). In conclusion, DC from HAART-treated and therapy-naive subjects, electroporated with hHxB-2 gag mRNA have the capacity to induce secondary T-cell responses. In an earlier study (Van Gulck ER et al. Blood2006;107:1818–1827), we already demonstrated ex vivo that CD4+ and CD8+ T-cells from non-treated HIV-1-infected subjects can be directly triggered by DC electroporated with autologous proviral-derived gag mRNA. Taken together, our results open the perspective for a DC immunotherapy for HIV disease.
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Sproats, L. N., S. B. Howell i K. O. Mason. "Distances and Absolute Magnitudes of a Sample of Faint Cataclysmic Variables". International Astronomical Union Colloquium 158 (1996): 27–28. http://dx.doi.org/10.1017/s0252921100038112.
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Our current knowledge of the basic characteristics of CVs, such as their distance and luminosity, are largely based on observations of optically bright (V < 16 mag) systems. This has tended to favour the more luminous members (Mv ~ 7 … 10 mag) lying nearby in the Galactic plane (z < 400 pc;). In order to alleviate this bias, Howell & Szkody (1990) compiled a list of ~90 CVs that were faint enough and were at high galactic latitude to potentially place them well outside the Galactic plane, in the halo. We have obtained infrared J and K band images of a number of the CVs listed by Howell & Szkody (1990) in order to establish whether these systems are truely at large distances, or are instead a population of intrinsically faint objects lying relatively nearby. The distances were determined using Bailey’s method (1982) and incorporated the recent SK calibrations by Ramseyer (1994).
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Ji, Fengying, Rich Pawlowicz i Xuejun Xiong. "Estimating the Absolute Salinity of Chinese offshore waters using nutrients and inorganic carbon data". Ocean Science 17, nr 4 (9.07.2021): 909–18. http://dx.doi.org/10.5194/os-17-909-2021.
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Abstract. In June 2009, the Intergovernmental Oceanographic Commission of UNESCO released The international thermodynamic equation of seawater – 2010 (TEOS-10 for short; IOC et al., 2010) to define, describe and calculate the thermodynamic properties of seawater. Compared to the Equation of State-1980 (EOS-80 for short), the most obvious change with TEOS-10 is the use of Absolute Salinity as salinity argument, replacing the Practical Salinity used in the oceanographic community for 30 years. Due to the lack of observational data, the applicability of the potentially increased accuracy in Absolute Salinity algorithms for coastal and semi-enclosed seas is not very clear to date. Here, we discuss the magnitude, distribution characteristics, and formation mechanism of Absolute Salinity and Absolute Salinity Anomaly in Chinese shelf waters, based on the Marine Integrated Investigation and Evaluation Project of the China Sea and other relevant data. The Absolute Salinity SA ranges from 0.1 to 34.66 g kg−1. Instead of silicate, the main composition anomaly in the open sea, CaCO3 originating from terrestrial input and re-dissolution of shelf sediment is most likely the main composition anomaly relative to SSW and the primary contributor to the Absolute Salinity Anomaly δSA. Finally, relevant suggestions are proposed for the accurate measurement and expression of Absolute Salinity of the China offshore waters.
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Singh, Sasha, Michael Springer, Judith Steen, Marc W. Kirschner i Hanno Steen. "FLEXIQuant: A Novel Tool for the Absolute Quantification of Proteins, and the Simultaneous Identification and Quantification of Potentially Modified Peptides". Journal of Proteome Research 8, nr 5 (maj 2009): 2201–10. http://dx.doi.org/10.1021/pr800654s.
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Lois, J. F., N. J. Mankovich i A. S. Gomes. "Blood Flow Determinations Utilizing Digital Densitometry". Acta Radiologica 28, nr 5 (wrzesień 1987): 635–41. http://dx.doi.org/10.1177/028418518702800526.
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A method of obtaining relative and absolute blood flow measurements from digital densitometry was evaluated with a simulated vessel phantom and a hydrodynamic model. A digital vascular imaging system capable of acquisition in 5122 and 10242 mode was used. Relative and absolute blood flow were measured using parameters derived from the densitometric curve. Since application of densitometric data to absolute flow measurements requires the vessel diameter, an algorithm for vessel size determination was created. Gray scale changes were demonstrated to be linearly related to contrast concentration. The variance of vessel size determination was significantly different in all combinations of 10242 and 5122 imaging with 15 cm or 35 cm field size. The error in vessel size determination was significantly less using the larger 10242 matrix and the smaller 15 cm image intensifier field size, as shown by the smaller variance. In relative flow determinations, there was good correlation between the flow and four parameters of the densitometric curve with no significant differences between 5122 and 10242 imaging. Absolute flow determinations had slightly lower correlation to actual flow but were not significantly different from relative flow determinations. Relative and absolute blood flow determinations can be performed adequately with either 5122 or 10242 imaging. The increased accuracy in vessel size determination with 10242 imaging makes this high resolution system potentially preferable to determine absolute blood flow.
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Soman, Shania M., Charuvil Radhakrishna Pillai Rekha, Hema Santhakumar, Uttamchand Narendrakumar i Ramapurath S. Jayasree. "Semi-Supervised Nonnegative Matrix Factorization of Wide-Field Fluorescence Microscopic Images for Tissue Diagnosis". Microscopy and Microanalysis 26, nr 3 (14.04.2020): 419–28. http://dx.doi.org/10.1017/s1431927620001403.
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AbstractThis study tests the use of a constrained nonnegative matrix factorization (NMF) algorithm to explore the comparatively new field of chemometric microscopy to support tissue diagnosis. The algorithm can extract the spectral signature and the absolute concentration map of endogenous fluorophores from wide-field microscopic images. The resultant data distinguished normal and fibrous calvarial tissues, based on the changes in their spectral signatures. The absolute concentration map of endogenous fluorophores, nicotinamide adenine dinucleotide (NADH), flavin adenine dinucleotide (FAD), and lipofuscin were derived from microscopic images and compared with the fluorescence from pure fluorophores. While the absolute concentration of NADH increased, the same of FAD and lipofuscin decreased from a normal to fibrous calvarial condition. An increase in the optical redox ratio, possibly due to the metabolic changes during the development of fibrosis, was observed. Differentiating tissue types using the absolute concentration map was found to be considerably more precise than that achievable with relative concentration. The quantification of fluorophores with reference to the absolute concentration map can eliminate uncertainties due to system responses or measurement details, thereby generating more biologically apposite data. Wide-field microscopy augmented with a constrained NMF algorithm could emerge as an advanced diagnostic tool, potentially heralding the emergence of chemometric microscopy.
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Savelieva, M., i A. Suchko. "New approaches to the assessment of the quality of genetic material bulls". Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies 19, nr 74 (3.03.2017): 99–102. http://dx.doi.org/10.15421/nvlvet7422.
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On the first stage experiments are conducted by the aim of establishment on how many higher the real indexes of fresh sperm and dilute protective environments after moving away of cellular debris, extraneous cages and dead cages. On the second stage, comparison of basic physiological indexes of the fertilization faction got from deconservation sperm and compared to the corresponding indexes of з sperm was conducted, that was not subject to the special cleansing procedure. Difference between research and control groups, in relation to survivability of sperm and index of absolute survivability of sperm was statistically reliable (Р < 0,001), as for fresh sperm so for sperm, that carried freezing and thawing in liquid nitrogen. Faction of sperm, that has impregnating ability potentially, as fresh sperm so that was subject to freezing and thawing substantially differ in the row of biological indexes of sperm, that creates the necessity of introduction of new additional descriptions for the analysis of sperm. Index of survivability of sperm, that potentially has impregnating ability at deconservation sperm rose on three hours or on a 32,8 percent’s . Index of absolute survivability of sperm, that potentially has impregnating ability rose on 8,19 conditional units. The modernized method of estimation of quality of sperm of bulls is offered. It is set that treatment of sperm with the use of gradients of closeness exceeds the indexes of activity, to survivability and absolute survivability as at fresh standards of sperm so at deconservation standards of sperm, that gives an opportunity more objectively to describe quality of sperm. Results over of researches of biological quality of sperm of bulls of meat blackly-pied and red-pied suckling breed are brought depending on the method of treatment of tests. Additional descriptions of analysis sperm are entered, they can become the major criteria of estimation of full value and impregnating ability.
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Liu, Tze An, Yi Chen Chuang, Hau Wei Lee, Po Er Hsu i Jin Long Peng. "Large Non-Ambiguity Range and Precise Absolute Distance Measurement with Dual Mode-Locked Fiber Lasers". Applied Mechanics and Materials 764-765 (maj 2015): 1314–18. http://dx.doi.org/10.4028/www.scientific.net/amm.764-765.1314.
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We employed a gold coated glass cover plate to fabricate dual compact free running fiber laser combs based LIDAR (light detection and ranging) system with tunable difference of repetition rates. Our study shows that the ranging precision is 0.4 μm and the non-ambiguity range is 2.1 m with averaging time of 0.4 s for the distance of 1.09 m by the time-of-flight method. The system with 1 kHz-high update rate and the large non-ambiguity range is potentially useful for manufacturing or machining application applied in absolute distance measurement.
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Roeder, Michael, Ofer Spiegelstein, Volker Schurig, Meir Bialer i Boris Yagen. "Absolute configuration of the four stereoisomers of valnoctamide (2-ethyl-3-methyl valeramide), a potentially new stereospecific antiepileptic and CNS drug". Tetrahedron: Asymmetry 10, nr 5 (marzec 1999): 841–53. http://dx.doi.org/10.1016/s0957-4166(99)00047-6.
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Vergura, Stefania, Stefano Orlando, Patrizia Scafato, Sandra Belviso i Stefano Superchi. "Absolute Configuration Sensing of Chiral Aryl- and Aryloxy-Propionic Acids by Biphenyl Chiroptical Probes". Chemosensors 9, nr 7 (24.06.2021): 154. http://dx.doi.org/10.3390/chemosensors9070154.
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The absolute configuration of chiral 2-aryl and 2-aryloxy propionic acids, which are among the most common chiral environmental pollutants, has been readily and reliably established by either electronic circular dichroism spectroscopy or optical rotation measurements employing suitably designed 4,4′-disubstituted biphenyl probes. In fact, the 4,4′-biphenyl substitution gives rise to a red shift of the diagnostic electronic circular dichroism signal of the biphenyl A band employed for the configuration assignment, removing its overlap with other interfering dichroic bands and allowing its clear sign identification. The largest A band red shift, and thus the most reliable results, are obtained by employing as a probe the 4,4′-dinitro substituted biphenylazepine 3c. The method was applied to the absolute configuration assignment of 2-arylpropionic acids ibuprofen (1a), naproxen (1b), ketoprofen (1c) and flurbiprofen (1d), as well as to the 2-aryloxypropionic acids 2-phenoxypropionic acid (2a) and 2-naphthoxypropionic acid (2b). This approach, allowing us to reveal the sample’s absolute configuration by simple optical rotation measurements, is potentially applicable to online analyses of both the enantiomeric composition and absolute configuration of these chiral pollutants.
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Petzoldt, Johannes, Guillaume Janssens, Lena Nenoff, Christian Richter i Julien Smeets. "Correction of Geometrical Effects of a Knife-Edge Slit Camera for Prompt Gamma-Based Range Verification in Proton Therapy". Instruments 2, nr 4 (10.11.2018): 25. http://dx.doi.org/10.3390/instruments2040025.
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Prompt gamma (PG) based range verification can potentially reduce the safety margins in proton therapy. A knife-edge slit camera has been developed in this context using analytical PG simulations as reference for absolute range verification during patient treatment. Geometrical deviations between measurement and simulation could be observed and have to be corrected for in order to improve the range retrieval of the system. A geometrical correction model is derived from Monte Carlo simulations in water. The influence of different parameters is tested and the model is validated in a dedicated benchmark experiment. We found that the geometrical correction improves the agreement between measured and simulated PG profiles resulting in an improved range retrieval and higher accuracy for absolute range verification. An intrinsic offset of 1.4 mm between measurement and simulation is observed in the experimental data and corrected in the PG simulation. In summary, the absolute range verification capabilities of a PG camera have been improved by applying a geometrical correction model.
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Clayden, Robert C., Wilma Hopman, Frances Macleod, David Good, Jocelyn Garland, Lawrence Hookey i Annette E. Hay. "Diagnosing Absolute Iron-Deficiency Anemia in Patients on Hemodialysis in a Tertiary Care Centre: A Retrospective Chart Review". Blood 134, Supplement_1 (13.11.2019): 4814. http://dx.doi.org/10.1182/blood-2019-129197.
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Introduction: The gold standard for the diagnosis of absolute iron-deficiency anemia (IDA) in hemodialysis patients is a bone marrow aspirate with iron staining. Many clinicians use peripheral iron indices instead because they are non-invasive. Previous studies suggested that a serum ferritin < 200 ng/mL was a reliable indicator of absolute iron deficiency in the hemodialysis population. However, the sensitivity of serum ferritin for the diagnosis of IDA in hemodialysis patients is poor. Methods: The primary objective of this study was to identify the optimal ferritin value to diagnose patients with absolute iron deficiency, as assessed on bone marrow aspiration, in the renal dialysis population. Secondary endpoints included the rate of clinically relevant findings on gastrointestinal investigation according to iron status. Research Ethics Board approval was obtained from Queen's University for this retrospective chart review. Hematopathology laboratory records were used to determine all individuals who had bone marrow examination at Kingston Health Sciences tertiary referral center between 2008 January 1 and 2018 August 21. This list was cross-referenced with the Nephrology dialysis database to identify the pre-specified study cohort; those who were receiving concurrent hemodialysis or peritoneal dialysis. Iron deficiency was defined as reduced or absent iron stores on bone marrow aspirate with Perl's Prussian blue stain. Anemia was defined as hemoglobin <130 g/L in males and <120 g/L in females. Additional parameters collected included ferritin (normal range 22 - 275 ng/mL male and 4 - 205 ng/mL female), transferrin saturation (TSAT, normal range 20-55%), vitamin B12, folate, albumin, CRP and thyroid function tests. Peripheral iron indices over six months were analyzed; statistical analysis was performed with t-tests and Mann-Whitney U tests. ROC curves were generated to determine the sensitivity and specificity of various threshold values for serum ferritin and TSAT. Results: Between 2008 January 1 and 2018 August 21, 4234 patients underwent bone marrow examination, of whom 28 had received renal dialysis replacement therapy at some point. Fifteen patients concurrently at the time of bone marrow testing receiving hemodialysis form the study population (Table 1). Among these fifteen patients, 6 (40%) were female, median age was 70.5 (range 39 - 80) years and all were anemic (Hb range 73 - 110 g/L). Four of these individuals were absolutely iron-deficient with reduced or absent iron stores by bone marrow evaluation. The mean ferritin and TSAT values for individuals with absolute iron deficiency by bone marrow aspiration was 273.5 ng/mL (n=4; median 224.5 ng/mL; range 158-539 ng/mL) and 22.0% (n=3; median 20%; range 20-26%), respectively. All four commenced erythropoietin stimulating agents; two received oral iron supplementation. Eight patients, including two of those determined to be absolutely iron deficient on bone marrow, had endoscopic investigation. Two were identified to have sources of gastrointestinal bleeding, both with ferritin values in the 100-200 range (106 and 189 ng/mL). With the limited sample size, the sensitivity and specificity of ferritin to identify absolute iron deficiency in this hemodialysis population was 50% and 85%, respectively, at a threshold of 198 ng/mL. Discussion: Ferritin and TSAT are not sensitive markers for absolute iron deficiency in hemodialysis patients. Bone marrow examination is performed in a minority. The small sample size in this study precludes definitive determination of an optimal ferritin cut-off to diagnose iron deficiency in the dialysis population. Uncertainty about actual iron status may result in alternative invasive testing, such as colonoscopy, to investigate the cause of their anemia. Newer tests such as reticulocyte hemoglobin content and percent hypochromic red blood cells are more accurate and may guide diagnosis and management of IDA in hemodialysis patients. However they are not always routinely available. Further studies are needed to compare the utility of these peripheral iron indices to the gold standard bone marrow examination in a larger population, to allow identification of patients with absolute or functional IDA, and minimize invasive and potentially unnecessary investigation. Disclosures Hay: AbbVie: Research Funding; Kite: Research Funding; Janssen: Research Funding; Seattle Genetics: Research Funding; Celgene: Research Funding; MorphoSys: Research Funding; Roche: Research Funding; Novartis: Research Funding; Gilead: Research Funding; Takeda: Research Funding.
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Li, Chunbiao, Jiayu Sun, Julien Clinton Sprott i Tengfei Lei. "Hidden Attractors with Conditional Symmetry". International Journal of Bifurcation and Chaos 30, nr 14 (listopad 2020): 2030042. http://dx.doi.org/10.1142/s0218127420300426.
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By introducing an absolute value function for polarity balance, some new examples of chaotic systems with conditional symmetry are constructed that have hidden attractors. Coexisting oscillations along with bifurcations are investigated by numerical simulation and circuit implementation. Such new cases enrich the gallery of hidden chaotic attractors of conditional symmetry that are potentially useful in engineering technology.
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Emerton, Matthew, i Toby Gee. "A geometric perspective on the Breuil–Mézard conjecture". Journal of the Institute of Mathematics of Jussieu 13, nr 1 (26.06.2013): 183–223. http://dx.doi.org/10.1017/s147474801300011x.
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AbstractLet$p\gt 2$be prime. We state and prove (under mild hypotheses on the residual representation) a geometric refinement of the Breuil–Mézard conjecture for two-dimensional mod$p$representations of the absolute Galois group of${ \mathbb{Q} }_{p} $. We also state a conjectural generalization to$n$-dimensional representations of the absolute Galois group of an arbitrary finite extension of${ \mathbb{Q} }_{p} $, and give a conditional proof of this conjecture, subject to a certain$R= \mathbb{T} $-type theorem together with a strong version of the weight part of Serre’s conjecture for rank $n$unitary groups. We deduce an unconditional result in the case of two-dimensional potentially Barsotti–Tate representations.
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Liu, Mark H. "Analysts’ Incentives to Produce Industry-Level versus Firm-Specific Information". Journal of Financial and Quantitative Analysis 46, nr 3 (15.02.2011): 757–84. http://dx.doi.org/10.1017/s0022109011000056.
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AbstractUsing stock returns around recommendation changes to measure the information produced by analysts, I find that analysts produce more firm-specific than industry-level information. Analysts produce more firm-specific information on stocks with higher idiosyncratic return volatilities. The amount of industry information produced by analysts increases with the absolute value of the stock’s industry beta and decreases with the stock’s idiosyncratic volatility. Other stocks in the industry also respond to the recommendation change, and the magnitude of the response increases with the absolute value of the industry beta of the recommended stock and that of other stocks in the industry. I also offer results on how investors may use analyst research more effectively and potentially improve their investment performance.
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Loisa, O., J. Kääriä, J. Laaksonlaita, J. Niemi, J. Sarvala i J. Saario. "From phycocyanin fluorescence to absolute cyanobacteria biomass: An application using in-situ fluorometer probes in the monitoring of potentially harmful cyanobacteria blooms". Water Practice and Technology 10, nr 4 (1.12.2015): 695–98. http://dx.doi.org/10.2166/wpt.2015.083.
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Cyanobacteria blooms can complicate the economical or recreational use of waters. Many of the bloom forming species are also potential producers of harmful cyanotoxins. The standard method for quantifying phytoplankton biomass, based on inverted microscopy, has high accuracy and is the only one producing biomass results on taxonomic level, but it requires specialized expertise and is time-consuming. Phycocyanin (PC) pigment concentration has been proven as a useful proxy for the concentration of cyanobacteria. Since 2006, we have studied practical solutions of in-situ monitoring of cyanobacteria using PC fluorescence probes. We have studied two eutrophic lakes, Lake Littoistenjärvi and Lake Kuralanjärvi in southwestern Finland using stationary monitoring stations equipped with PC probes. The fluorescence results were compared to independent water samples analyzed using standard methods. The PC fluorescence was positively correlated to cyanobacteria biomass in both lakes. Using site-specific post-calibrations of biomass, PC fluorescence can be used to estimate the absolute biomass of cyanobacteria. The monitoring techniques used in these studies are an applicable and relatively low-cost method to monitor cyanobacteria abundance. With nearly real-time data transfer possibilities, they can be used in management and early warning applications to minimize the harmful effects of cyanobacteria blooms.
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NAM, KYOUNG WON, JI MIN AHN, YOUNG JUN HWANG, GYE ROK JEON, DONG PYO JANG i IN YOUNG KIM. "A PHONOCARDIOGRAM-BASED NOISE-ROBUST REAL-TIME HEART RATE MONITORING ALGORITHM FOR OUTPATIENTS DURING NORMAL ACTIVITIES". Journal of Mechanics in Medicine and Biology 18, nr 05 (sierpień 2018): 1850044. http://dx.doi.org/10.1142/s0219519418500446.
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For outpatients who need continuous monitoring of heart rate (HR) variation, it is important that HR can be monitored during normal activities such as speaking and walking. In this study, a noise-robust real-time HR monitoring algorithm based on phonocardiogram (PCG) signals is proposed. PCG signals were recorded using an electronic stethoscope; electrocardiogram (ECG) signals were recorded simultaneously with HR references. The proposed algorithm consisted of pre-processing, peak/nonpeak classification, voice noise processing, walking noise processing, and HR calculation. The performance of the algorithm was evaluated using PCG/ECG signals from 11 healthy participants. For comparison, the absolute errors between manually extracted ECG-based HR values and automatically calculated PCG-based HR values were calculated for the proposed algorithm and the comparison algorithm in two different test protocols. Experimental results showed that the average absolute errors of the proposed algorithm were 72.03%, 22.92%, and 36.39% of the values of the comparison algorithm for resting-state, speaking-state, and walking-state data, respectively, in protocol-1. In protocol-2, the average absolute error was 36.99% of that of the comparison algorithm. A total of 1102 cases in protocol-1 and 783 in protocol-2 had an absolute error [Formula: see text] beats per minute (BPM) using the comparison algorithm and an absolute error [Formula: see text] BPM using the proposed algorithm. On the basis of these results, we anticipate that the proposed algorithm can potentially improve the performance of continuous real-time HR monitoring during activities of normal life, thereby improving the safety of outpatients with cardiovascular diseases.
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Zhao, Yang, Andre J. A. Aarnink, Remco Dijkman, Teun Fabri, Mart C. M. de Jong i Peter W. G. Groot Koerkamp. "Effects of Temperature, Relative Humidity, Absolute Humidity, and Evaporation Potential on Survival of Airborne Gumboro Vaccine Virus". Applied and Environmental Microbiology 78, nr 4 (9.12.2011): 1048–54. http://dx.doi.org/10.1128/aem.06477-11.
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ABSTRACTSurvival of airborne virus influences the extent of disease transmission via air. How environmental factors affect viral survival is not fully understood. We investigated the survival of a vaccine strain of Gumboro virus which was aerosolized at three temperatures (10°C, 20°C, and 30°C) and two relative humidities (RHs) (40% and 70%). The response of viral survival to four metrics (temperature, RH, absolute humidity [AH], and evaporation potential [EP]) was examined. The results show a biphasic viral survival at 10°C and 20°C, i.e., a rapid initial inactivation in a short period (2.3 min) during and after aerosolization, followed by a slow secondary inactivation during a 20-min period after aerosolization. The initial decays of aerosolized virus at 10°C (1.68 to 3.03 ln % min−1) and 20°C (3.05 to 3.62 ln % min−1) were significantly lower than those at 30°C (5.67 to 5.96 ln % min−1). The secondary decays at 10°C (0.03 to 0.09 ln % min−1) tended to be higher than those at 20°C (−0.01 to 0.01 ln % min−1). The initial viral survival responded to temperature and RH and potentially to EP; the secondary viral survival responded to temperature and potentially to RH. In both phases, survival of the virus was not significantly affected by AH. These findings suggest that long-distance transmission of airborne virus is more likely to occur at 20°C than at 10°C or 30°C and that current Gumboro vaccination by wet aerosolization in poultry industry is not very effective due to the fast initial decay.