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Relevant bibliographies by topics / New variant

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Academic literature on the topic 'New variant'

Author: Grafiati

Published: 25 May 2024

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Journal articles on the topic "New variant"

1

Farhud, D. D., P. Daneshmand, and P. Amirshani. "A new transferrin variant from Iran (Tf B-Iran): Review of 36 variant alleles." Anthropologischer Anzeiger 46, no. 4 (December 21, 1988): 357–63. http://dx.doi.org/10.1127/anthranz/46/1988/357.

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Ruby Dhar, Hiya Aidasani, Om Saswat Sahoo, Arun Kumar, and Subhradip Karmakar. "JN.1: The new COVID-19 variant of concern?" Asian Journal of Medical Sciences 15, no. 2 (February 1, 2024): 251–53. http://dx.doi.org/10.3126/ajms.v15i2.61144.

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Emergence of new variants of COVID-19 is nothing new. Different variants evolved with additional mutations of the virus as part of the viral replication cycle have different infectious properties. JN.1 is the latest COVID-19 variant that seems to circulate the globe contributing to many infections and hospitalizations labeling it a variant of interest by the WHO. The scientific community has yet to understand its full lethal potential if any. In this mini-review, we summarized the facts known so far about this variant and its possible consequences if any for humanity.

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Salaš, P. "New technologies and improvement of nursery stock quality." Horticultural Science 29, No. 4 (January 6, 2012): 153–60. http://dx.doi.org/10.17221/4479-hortsci.

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This four years experimentation work was aimed at research on using various waste organic materials and especially timber bark in cultivation substrates as a substitute of peat. Sixty-four special isolated cultivation beds were established for this purpose, each of 4.8 m<sup>3</sup> volume, in which 11 variants of substrates consisting of different proportions of different components in several replications were tested. Standard substrates Horticultural substrate B and RKS I. were used as controls. Another variant was used as a control for growing tests of plants in containers. All tested substrates were enriched with hydroabsorbent TerraCottem. In some variants reserve fertilisers with slow release of nutrients (Silvamix Forte) were applied. For cultivation testing of studied substrates four ornamental tree species (Alnus glutinosa, Fraxinus excelsior, Salix alba, Salix matsudana) were chosen. The best evaluated variants were the ones containing 50 and 75% of bark in combination with sand. The worst was the variant composed of chips and sawdust. Thanks to the use of hydroabsorbents, even the variant containing 100% of sand appeared to be very good. The tested trees had different reactions to the different types of substrates depending on their species requirements. The limiting growth factor for Alnus was the content of water in the substrate. Similarly, the content of available nutrients in the substrate was essential for Fraxinus. The hardwood cuttings of Salix not only rooted into the substrate in a few weeks, but also formed aboveground parts of the required sizes. Obtained data on growth parameters differed according to the diversity of requirements of the different studied species.

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Anand, Aanchal, Samar Hossain, Akashdeep Sharma, and Ukshan Shah. "A new variant of COVID-19: But is it less deadly?" Indian Journal of Forensic and Community Medicine 9, no. 1 (March 15, 2022): 44–46. http://dx.doi.org/10.18231/j.ijfcm.2022.010.

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WHO designated the variant B.1.1.529 as a variant of concern on 26 November 2021 and since then there have been many speculations regarding its origin and control measures. It is not yet clear if the omicron variant is more transmissible compared to other variants.

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Cheepsattayakorn, Attapon. "Omicron: A New Variant of SARS-CoV-2 (COVID-19)." Open Access Journal of Pulmonary & Respiratory Sciences 6, no. 1 (2021): 1. http://dx.doi.org/10.23880/oajprs-16000151.

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On November 24, 2021, the B.1.1.529 variant of SARSCoV-2 (COVID-19) was first reported from South Africa [1]. The first known confirmed B.1.1.529 infected specimen was collected on November 9, 2021 [1]. On November 25, 2021, daily case numbers in South Africa increased quickly with three distinct peaks in reported cases (the latest peak was predominantly the Delta variant) to more than 1,200 cases from 273 cases on November 16, 2021, more than 80% infected cases, including first case were in the northern province of Gauteng [2]. Currently, this variant is spreading, globally [2].

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Ullah, Amin, Khalid Mahmood Malik, Abdul Khader Jilani Saudagar, Muhammad Badruddin Khan, Mozaherul Hoque Abul Hasanat, Abdullah AlTameem, Mohammed AlKhathami, and Muhammad Sajjad. "COVID-19 Genome Sequence Analysis for New Variant Prediction and Generation." Mathematics 10, no. 22 (November 15, 2022): 4267. http://dx.doi.org/10.3390/math10224267.

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The new COVID-19 variants of concern are causing more infections and spreading much faster than their predecessors. Recent cases show that even vaccinated people are highly affected by these new variants. The proactive nucleotide sequence prediction of possible new variants of COVID-19 and developing better healthcare plans to address their spread require a unified framework for variant classification and early prediction. This paper attempts to answer the following research questions: can a convolutional neural network with self-attention by extracting discriminative features from nucleotide sequences be used to classify COVID-19 variants? Second, is it possible to employ uncertainty calculation in the predicted probability distribution to predict new variants? Finally, can synthetic approaches such as variational autoencoder-decoder networks be employed to generate a synthetic new variant from random noise? Experimental results show that the generated sequence is significantly similar to the original coronavirus and its variants, proving that our neural network can learn the mutation patterns from the old variants. Moreover, to our knowledge, we are the first to collect data for all COVID-19 variants for computational analysis. The proposed framework is extensively evaluated for classification, new variant prediction, and new variant generation tasks and achieves better performance for all tasks. Our code, data, and trained models are available on GitHub (https://github.com/Aminullah6264/COVID19, accessed on 16 September 2022).

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Li, Zongbin, Yudong Zhang, Claude Esling, Xiang Zhao, Yandong Wang, and Liang Zuo. "New approach to twin interfaces of modulated martensite." Journal of Applied Crystallography 43, no. 3 (April 30, 2010): 617–22. http://dx.doi.org/10.1107/s002188981000868x.

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In Ni–Mn–Ga ferromagnetic shape memory alloys, the crystallographic nature of martensitic variant interfaces is one of the key factors governing the variant reorientation through field-induced interface motion and hence the shape memory performance. So far, the crystal structure studies of these materials – conducted by means of transmission electron microscopy – have suffered from uncertainties in determining the number of unit cells of modulated superstructure, and consequently improper interpretations of orientation correlations of martensitic variants. In this paper a new approach is presented for comprehensive analysis of crystallographic and morphological information of modulated martensite, using automated electron backscatter diffraction. As a first attempt, it has been applied for the unambiguous determination of the orientation relationships of adjacent martensitic variants and their twin interface characters in an incommensurate 7M modulated Ni–Mn–Ga alloy, from which a clear and full-featured image of the crystallographic nature of constituent twin interfaces is built up. Certainly, this new approach will make it feasible not only to generalize the statistical analysis of martensitic variant distributions for various materials with modulated superstructure, but also to give insight into the crystallographic characteristics of martensitic variant interfaces and the variant reorientation mechanism of new advanced materials for interface engineering.

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Le Page, Michael. "New variant gains ground." New Scientist 252, no. 3362 (November 2021): 8. http://dx.doi.org/10.1016/s0262-4079(21)02091-1.

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PRIMROSE, D. A. "MUCOPOLYSACCHARIDOSIS: A NEW VARIANT?" Journal of Intellectual Disability Research 16, no. 3 (June 28, 2008): 167–72. http://dx.doi.org/10.1111/j.1365-2788.1972.tb01173.x.

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Lang, C., J. Heckmann, and B. Neundörfer. "New variant or iatrogenic?" Acta Neuropathologica 102, no. 6 (October 3, 2001): 645–46. http://dx.doi.org/10.1007/s004010000338.

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Dissertations / Theses on the topic "New variant"

1

Suhanyiova, Lucia. "Product safety culture : a new variant of safety culture?" Thesis, University of Aberdeen, 2018. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=238033.

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Parkinson, Jonathan R. "Optimizing product variant placement to satisfy market demand /." Diss., CLICK HERE for online access, 2007. http://contentdm.lib.byu.edu/ETD/image/etd1805.pdf.

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Zeidler, Martin. "A new variant of Creutzfeldt-Jakob disease in the United Kingdom." Thesis, University of Southampton, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.274425.

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Mason, Nicole Marie. "A test of the new variant famine hypothesis panel survey evidence from Zambia /." Diss., Connect to online resource - MSU authorized users, 2008.

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Xia, Yang. "The localisation and regulation of phosphatidylinositol-4-phosphate 5-Kinase gamma splice variants and the discovery of a new mammalian splice variant, PIP5KIγ_v6." Thesis, University of Cambridge, 2011. https://www.repository.cam.ac.uk/handle/1810/240633.

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Type I PIP kinases (phosphatidylinositol 4-phosphate 5-kinases, PIP5Ks) catalyse the majority of cellular synthesis of PI(4,5)P2. To date, three mammalian isoforms (r1, r2, r3) have been found. PIP5KIr is subject to complex C-terminal splice variation, enhancing its transcriptional diversity through evolution and producing at least 5 known spliceoforms in the mammals. This study addresses several important questions. (1) Several remarkable differences have been discovered between the neuronal splice variant PIP5KIr_i3 and its close variant, Ir_i2, whose peptide lacks a 26-AA insert near its C-terminus. This study attempts to map these behavioural differences onto motifs within the peptide insert. Furthermore, a site of point mutation is identified near the activation loop, which amplifies the above differences. (2) This study documents properties of the more recently discovered PIP5KIr_i3, about which relatively little is known, for example, the regulation of its subcellular localisation, kinase activity and post-translational modifications. By site-directed mutagenesis and examining more closely several crucial motifs, insight is gained into the putative relationship between the enzyme’s phosphorylation state, cellular localisation, lipid kinase activity and autophosphorylation. (3) The discovery of a new PIP5KIr splice variant, Ir_v6, is described. First discovered in rodents, PIP5KIr_i6 encompasses the 26-AA insert of Ir_i3, but lacks the common C-terminus of Ir_i2 and Ir_i3 which contains peptide motifs that have several roles in vivo. A polyclonal antibody against the C-terminus of Ir_i6 was also developed. Preliminary characterisation of Ir_i6 demonstrates a similar subcellular localisation, but a wider expression profile than its close relative, Ir_i3, suggesting potentially differential functions across tissues and at various developmental stages. (4) The existence of Ir_v3 and Ir_v6 is also confirmed in humans. In light of recent findings of other novel human spliceoforms, this is shown to be a case of intra-exonic splicing producing “alternative 5’ splice site” exons in the human. Overall, this thesis should help to better understand the regulation and physiological roles of PIP5KIr and, specifically, its different splice variants.

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Vignos, Megan C. "A HISTOPATHOLOGICAL AND MAGNETIC RESONANCE IMAGING ASSESSMENT OF MYELOCORTICAL MULTIPLE SCLEROSIS: A NEW PATHOLOGICAL VARIANT." Kent State University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=kent1461528682.

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Willet, Cali Elizabeth. "Applications of New and Emerging Genomic Technologies to Animal Genetics." Thesis, The University of Sydney, 2015. http://hdl.handle.net/2123/14381.

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Recent technological advances have revolutionised the conduct of animal genetics. Refinements to high‐throughput genotyping and sequencing platforms have brought these technologies within reach of animal geneticists, providing exciting research opportunities. Yet to apply them experimentally at the scale benchmarked by human genetics studies remains financially prohibitive for most animal genetics projects. Limited opportunities for funding along with restricted sampling due to animal ethics constraints or rarity of the trait combine to effect low‐powered datasets. This thesis explores methods of maximising research outcomes in the face of these challenges and the limitations posed by the technologies through adaptable experimental design and creative approaches to data mining. Methodological contributions to the application of three key technologies are made. In addition, novel findings provide new insights to canine genetics.

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PLUMITALLO, SARA. "Hereditary Haemorrhagic Telangiectasia: mutation analysis, new variant characterization and study of circulating microRNAs in a rare disease." Doctoral thesis, Università degli studi di Pavia, 2017. http://hdl.handle.net/11571/1203306.

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The topic of my PhD project is the Hereditary Haemorrhagic Telangiectasia (HHT), also known as Rendu-Osler-Weber syndrome, a rare genetic disease with an incidence of about 1:5000, inherited as an autosomal dominant trait. Up to date, mutations in four genes (ENG, ACVRL1, MADH4 and GDF2) have been described in HHT, however, ENG and ACVRL1 mutations account for the 85% of patients. All these genes encode for proteins belonging to the TGF-β/BMPs signalling pathway and are involved in the regulation of angiogenesis. HHT is clinically diagnosed if a patient presents at least three out of four criteria, known as “Curaҫao criteria”: (i) spontaneous and recurrent epistaxis; (ii) telangiectases at characteristic sites, as lips, oral cavity, nose, fingertips and gastrointestinal mucosa; (iii) arteriovenous malformations at characteristic sites, as liver, lungs and central nervous system, and (iv) family history, i.e. a first degree relative with a diagnosis of HHT according to the same criteria. The aim of this thesis is to further investigate the genetic background of HHT in order to better understand the underlying molecular mechanisms and the genotype-phenotype correlations. In particular, my work involved the mutation analyses of ENG and ACVRL1 coding exons and the study of circulating miRNAs in a group of HHT patients. Mutation analyses were performed in new index cases with a HHT clinical diagnosis and their relatives, to identify the disease-causing mutation. Then, the results collected were added to data previously obtained by the Medical Genetics Laboratory (headed by Prof. C. Danesino) and used to perform a descriptive study of the HHT Italian Population, carried out in collaboration with Prof. C. Sabbà, from the University of Bari. Moreover, during my PhD I attended a three-months period in the laboratory of Prof. C. Bernabeu, in Madrid, in order to study the putative pathogenic effect of a particular ENG variant (c.1852+42 C>T) found in a HHT family. The study of circulating miRNAs was performed in collaboration with Prof. M. Denti (University of Trento). We collected plasma samples from 15 people (5 controls; 5 patients with ENG mutation and 5 patients with ACVRL1 mutation) and evaluated the expression level of 752 human miRNAs to identify those misregulated in patients compared to controls. Firstly, we analysed results grouping the patients according to the mutated gene and we identified about 20 misregulated miRNAs. Then, we evaluated if some miRNAs were differentially expressed in patients according to their clinical symptoms. In conclusion, the obtained results increased the knowledge on the molecular pathogenesis, and shed a light on the role exploited by miRNAs in this disorder, thus suggesting new genotype-phenotype correlations, although a validation of the results in a bigger population is mandatory.

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Harrison, Sandra. "Staff and pupil experience and perceptions : what is seen as the 'value' of a new variant nurture group?" Thesis, University of Newcastle upon Tyne, 2016. http://hdl.handle.net/10443/3471.

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Nurture Groups have experienced rises and falls in popularity since their initial introduction by Marjorie Boxall in 1969 in inner city London (Boxall 1976). At present there are more than 1,500 Nurture Groups in the UK (Nurture Group Network Website) with the Nurture Group Network continuing work to expand and develop the use of these groups in more areas across the country. This research project seeks first to examine the effectiveness or success of nurture groups in preparing children for reintroduction to the mainstream classroom. This was examined by conducting a systematic review of the literature which evaluated studies reporting on outcomes for children attending nurture groups, using quantitative measures. The review concludes that the lack of consistency in the methods of analysis employed between studies, the varying perceptions of ‘success’ and the dearth of studies which examine pupil data longitudinally (only one being present Cooper and Whitebread 2007) does not provide a solid and compelling evidence base for effectiveness of nurture groups in preparing children for reintroduction to mainstream classes. Nurture Groups remain popular however and the author sought to question what it is about nurture groups which schools, staff and pupils value. Through discussion of a process of personal epistemological change and development, the focus of the research project shifts from the quantitative measures described in the Systematic Review to a more qualitative approach. In light of the researchers aim to add a unique perspective to the body of literature a decision was made to conduct an empirical research project with the staff and pupils of a nurture group. The nature of the group in relation to traditional nurture principles is explored and explained. The research project is conducted using a combination of focus groups and semi-structured one to one interviews with nurture group staff, children who attend the nurture group and the mainstream teachers of those children. The interviews were transcribed and analysed using Interpretative Phenomenological Analysis to produce superordinate and subthemes which emerged as particularly pertinent to the participants involved. This method of analysis allowed discussion of these themes by looking at both the way in which the participants made sense of their experiences and the researchers understanding and meaning making of the descriptions produced. The study concludes that many of the reported benefits and value laden aspects of the nurture provision tie in with current psychological 2 knowledge of processes such as attachment, relationships, sense of belonging and self-efficacy and self-worth. There is also discussion of the policy issues mentioned by staff which influence practice within school and the nurture group. Tentative conclusions state that this research can contribute to the field by offering an examination of one case study which may contribute to identifying wider patterns and themes in other IPA studies in this area. It is also concluded that the new variant nurture group involved in this study shows evidence of enriching the children’s educational experience; helping to develop skills both in learning and in social and emotional functioning. However, future suggestions for development of the group could include work on developing these skills in a way which can be transferred outside of the safety of the nurture group. Future studies could also look at the views and perceptions of parents and ways in which to implement a nurturing ethos throughout school.

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Purcell, Christina. "Temporary agency workers in the French car industry : working under a new variant of 'despotism' in the labour process." Thesis, Manchester Metropolitan University, 2014. http://e-space.mmu.ac.uk/332118/.

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This thesis is an exploration of how the use of temporary agency work in French car plants modifies the experience and mechanisms of labour control in the labour process. Over the last decade, car manufacturers in France have made extensive use of this form of employment, despite regulations which restrict the use of agency labour to exceptional circumstances. Legal challenges aimed at reclassifying temporary agency contracts into permanent employment contracts have revealed that some agency workers have accumulated many years of employment as an agency worker with user-company. The presence of significant proportions of agency workers on assembly lines for long periods of time has implications for the labourcapital relation on the shopfloor. Precarious working conditions for low-skilled workers are assumed to affect the capacity of workers to negotiate relations on the shop-floor. The thesis employs a conceptual framework based upon Burawoy’s (1985) theory of production politics to examine the specific way in which the triadic relationship between the temporary agency worker, temporary employment agency and user-organisation modifies the factory regime within which temporary agency workers labour. Starting from an analysis of the macro- and meso-level development of the post-war French state and of the key economic sectors that constitute the “politics of production”, the thesis focuses on the PSA Peugeot-Citroën plant in Aulnay-sous-Bois as a case study, and combines interview data with other qualitative (textual) data. The research finds that temporary agency workers in the car sector respond to their employment situation in a more complex way than studies of coercion and consent in the labour process suggest. Employment insecurity and the “duality of control” which flows from the triadic relationship upon which the temporary agency contract rests gives rise to a factory regime more conducive to compliance/coercion than consent. However, the “traces of consent” identified by the research illustrate the complex nature of hegemony and despotism in the labour process. Drawing on the findings of the empirical data in the context of France, the thesis develops the concept of hegemonic despotism by examining how hegemonic despotism is expressed across a variety of employment contexts. The thesis identifies a tension between adverse conditions of employment and hegemonic practices, such as the formal adhesion to “soft” models of HRM, alongside the recasting of norms of employment to fit the requirements of contemporary capital accumulation.

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Books on the topic "New variant"

1

J, Swanson Reuben, ed. New Testament Greek manuscripts: Variant readings arranged in horizontal lines against Codex Vaticanus. Sheffield, England: Sheffield Academic Press, 1995.

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Janet, Magiera, ed. Aramaic Peshitta New Testament translation: With explanatory footnotes marking variant readings, customs, and figures of speech. Truth or Consequences, NM: Light of the Word Ministry, 2006.

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Symphony of my life: The challenging times and my variant experiences from Ethiopia, Bhutan, Tanzania, and the United States. Trenton, NJ: Red Sea Press, 2012.

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Josef, Albers. Josef Albers: Homage to the square, variant, structural constellation, print : in cooperation with the Sidney Janis Gallery, New York. Tokyo: Galerie Tokoro, 1992.

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New Testament text and translation commentary: Commentary on the variant readings of the ancient New Testament manuscripts and how they relate to the major English translations. Carol Stream, IL: Tyndale House Publishers, Inc., 2008.

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World Health Organization (WHO). Report of a WHO consultation on clinical and neuropathological characteristics of the new variant of CJD and other human and animal transmissible spongiform encephalopathies, Geneva, 14-16 May, 1996. Geneva: WHO, 1996.

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Brahnam, Sheryl, Lakhmi C. Jain, Loris Nanni, and Alessandra Lumini, eds. Local Binary Patterns: New Variants and Applications. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-39289-4.

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Engel, Charles. Some new variance bounds for asset prices. Cambridge, MA: National Bureau of Economic Research, 2004.

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Affenzeller, Michael. New hybrid variants of genetic algorithms: Theoretical and practical aspects. Linz: Universitätsverlag Rudolf Trauner, 2003.

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Affenzeller, Michael. New hybrid variants of genetic algorithms: Theoretical and practical aspects. Linz: Universitätsverlag Rudolf Trauner, 2003.

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Book chapters on the topic "New variant"

1

Oets, Pim. "New or Variant Versions." In MS-DOS and PC-DOS, 169–81. London: Macmillan Education UK, 1988. http://dx.doi.org/10.1007/978-1-349-09893-4_11.

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Will, Robert. "New Variant Creutzfeldt-Jakob Disease." In Prions and Brain Diseases in Animals and Humans, 141–45. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4899-1896-3_15.

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Rafiei, Majid, Frederik Wangelik, and Wil M. P. van der Aalst. "TraVaS: Differentially Private Trace Variant Selection for Process Mining." In Lecture Notes in Business Information Processing, 114–26. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-27815-0_9.

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AbstractIn the area of industrial process mining, privacy-preserving event data publication is becoming increasingly relevant. Consequently, the trade-off between high data utility and quantifiable privacy poses new challenges. State-of-the-art research mainly focuses on differentially private trace variant construction based on prefix expansion methods. However, these algorithms face several practical limitations such as high computational complexity, introducing fake variants, removing frequent variants, and a bounded variant length. In this paper, we introduce a new approach for direct differentially private trace variant release which uses anonymized partition selection strategies to overcome the aforementioned restraints. Experimental results on real-life event data show that our algorithm outperforms state-of-the-art methods in terms of both plain data utility and result utility preservation.

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Roy, Dibyendu, Pratish Datta, and Sourav Mukhopadhyay. "A New Variant of Algebraic Attack." In Communications in Computer and Information Science, 211–22. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-54525-2_19.

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Moufek, Hamza, and Kenza Guenda. "New Variant of the McEliece Cryptosystem." In Coding Theory and Applications, 291–96. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-17296-5_31.

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Dalla Valle ∧, E., and F. Cortese. "A New Variant of Saphenous Stripping." In Phlebology ’95, 490. London: Springer London, 1995. http://dx.doi.org/10.1007/978-1-4471-3095-6_216.

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Kirchhof, Jörg Christian, Michael Nieke, Ina Schaefer, David Schmalzing, and Michael Schulze. "Variant and Product Line Co-Evolution." In Model-Based Engineering of Collaborative Embedded Systems, 333–51. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-62136-0_18.

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AbstractIndividual collaborative embedded systems (CESs) in a collaborative system group (CSG) are typically provided by different manufacturers. Variability in such systems is pivotal for deploying a CES in different CSGs and environments. Changing requirements may entail the evolution of a CES. Such changed requirements can be manifold: individual variants of a CES are updated to fix bugs, or the manufacturer changes the entire CES product line to provide new capabilities. Both types of evolution, the variant evolution and the product line evolution, may be performed in parallel. However, neither type of evolution should lead to diverging states of CES variants and the CES product line, otherwise both would be incompatible, it would not be possible to update the CES variants, and it would not be possible to reuse bug fixes of an individual variant for the entire product line. To avoid this divergence, we present an approach for co-evolving variants and product lines, thus ensuring their consistency.

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Blau, Nenad, H. Ch Curtius, Th Kuster, A. Matasovic, G. Schoedon, J. L. Dhondt, P. Guibaud, T. Giudici, and M. Blaskovics. "Primapterinuria: A New Variant of Atypical Phenylketonuria." In Studies in Inherited Metabolic Disease, 335–38. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-1069-0_44.

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Iqbal, Azlan. "A New Chess Variant for Gaming AI." In Entertainment Computing – ICEC 2013, 9–16. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-41106-9_2.

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Longphre, Malinda V., and Rick W. Fuller. "Aerovant (recombinant human interleukin-4 variant)." In New Drugs and Targets for Asthma and COPD, 123–26. Basel: KARGER, 2010. http://dx.doi.org/10.1159/000320809.

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Conference papers on the topic "New variant"

1

Wiendahl, Hans-Peter, and Volker Grosse-Heitmeyer. "Highly Flexible Final Production Stages: A New Approach for Assembly in the Variant-Rich Series Production." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-42518.

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The rapid manufacture of a great range of variant products is gaining importance in global competition. Customers are increasingly demanding products which are matched to their specific requirements. The production of these customized variants gives a competitive advantage, but also leads to higher production costs. Almost every step in the process of making a product is capable of generating variants. A key element in variant management is to make the variants as late as possible in order to exploit economies of scale in the earliest stages of production and to minimize the complexity of production [9], [6]. The technique of the highly flexible final production stage consists in achieving a late emergence of variants by integrating the variant-specific manufacturing processes into the assembly stage. This means abandoning the conventional distinction between manufacture and assembly in favour of a division into a preliminary, variant-neutral production stage and a final production stage where the variants take shape. The final production stage includes all the processes that yield variants. The complete manufacture of variant-neutral parts and subassemblies takes place in the preliminary production stage, as does the prefabrication of those parts and sub-assemblies which are to undergo final manufacture as variants in the final production stage. The result is a procedure capable of producing a broad spectrum of variants economically and with minimal throughput times. This paper describes the philosophy of this new approach and concludes with a practical case study.

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Reddy, E. Madhusudhana, B. H. Nagarajasri, A. B. Rajesh Kumar, and M. Padmavathamma. "New variant MJ2-RSA cryptosystem." In 2011 IEEE 2nd International Conference on Software Engineering and Service Science (ICSESS). IEEE, 2011. http://dx.doi.org/10.1109/icsess.2011.5982274.

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Jan, Nurhidaya Mohamad, Sherzod Turaev, Wan Heng Fong, and Nor Haniza Sarmin. "A new variant of Petri net controlled grammars." In THE 22ND NATIONAL SYMPOSIUM ON MATHEMATICAL SCIENCES (SKSM22): Strengthening Research and Collaboration of Mathematical Sciences in Malaysia. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4932488.

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Prabu, M., and R. Shanmugalakshmi. "A new variant vision on ECDSA." In ICWET '10: International Conference and Workshop on Emerging Trends in Technology. New York, NY, USA: ACM, 2010. http://dx.doi.org/10.1145/1741906.1741967.

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Matthews, K. B., P. A. Kernoff, E. G. D. Tuddenham, and A. H. Goodall. "NEW VARIANT FORMS OF von WILLEBRAND'S DISEASE." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1644111.

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Two unusual variants of von Willebrand's Disease (vWD) have been observed; one resembling Type Ic vWD and one an unclassified variant form of the disease. Both are associated with a history of mild bleeding and with a prolonged bleeding time.Two related patients (father and daughter) presented with reduced vWF activity (RiCoF) and vWF:Ag. Multimer analysis showed the presence of all molecular weight multimers but with a lack of triplet structure. This was confirmed in 3% agarose gels and resembled the pattern of multimers previously described as Type Ic vWD. Both patients responded well to DDAVP.In the second case the patient had a lowered vWF activity (RiCoF) but normal vWF:Ag, analogous to a Type Ila vWD pattern. Mutimer analysis however demonstrated the presence of all MW multimers with a normal triplet structure. This defect was not detected with two monoclonal antibodies that recognise the GPIb binding site on vWF and is thought to represent a minor abnormality in the vWF molecule in this patient.

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Khan, Mohammed Zafar Ali, and Shaik Qadeer. "A new variant of Radix-4 FFT." In 2016 Thirteenth International Conference on Wireless and Optical Communications Networks (WOCN). IEEE, 2016. http://dx.doi.org/10.1109/wocn.2016.7759873.

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HAMAR, Gergo. "Close Cathode Chamber, new variant of MWPCs." In The European Physical Society Conference on High Energy Physics. Trieste, Italy: Sissa Medialab, 2014. http://dx.doi.org/10.22323/1.180.0046.

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Liang, Renjie, Debin Ren, Lei Han, and Miao Liu. "A new tube-variant UAV wing design." In Third International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2023), edited by Xiaofang Yuan and Guanglei Wu. SPIE, 2023. http://dx.doi.org/10.1117/12.2679766.

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Yang, Shuo, and Jianxun Li. "Image restoration using new spatially-variant morphological filters." In TENCON 2013 - 2013 IEEE Region 10 Conference. IEEE, 2013. http://dx.doi.org/10.1109/tencon.2013.6718906.

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Zhang, Bin, and Dengguo Feng. "A New Variant of the Self-Shrinking Generator." In 2006 IEEE International Symposium on Information Theory. IEEE, 2006. http://dx.doi.org/10.1109/isit.2006.261550.

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Reports on the topic "New variant"

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Kriegel, Francesco. Optimal Fixed-Premise Repairs of EL TBoxes (Extended Version). Technische Universität Dresden, 2022. http://dx.doi.org/10.25368/2022.321.

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Reasoners can be used to derive implicit consequences from an ontology. Sometimes unwanted consequences are revealed, indicating errors or privacy-sensitive information, and the ontology needs to be appropriately repaired. The classical approach is to remove just enough axioms such that the unwanted consequences vanish. However, this is often too rough since mere axiom deletion also erases many other consequences that might actually be desired. The goal should not be to remove a minimal number of axioms but to modify the ontology such that only a minimal number of consequences is removed, including the unwanted ones. Specifically, a repair should rather be logically entailed by the input ontology, instead of being a subset. To this end, we introduce a framework for computing fixed-premise repairs of $\mathcal{EL}$ TBoxes. In the first variant the conclusions must be generalizations of those in the input TBox, while in the second variant no such restriction is imposed. In both variants, every repair is entailed by an optimal one and, up to equivalence, the set of all optimal repairs can be computed in exponential time. A prototypical implementation is provided. In addition, we show new complexity results regarding gentle repairs. This is an extended version of an article accepted at the 45th German Conference on Artificial Intelligence (KI 2022).

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Baader, Franz, Carsten Lutz, Eldar Karabaev, and Manfred Theißen. A New n-ary Existential Quantifier in Description Logics. Technische Universität Dresden, 2005. http://dx.doi.org/10.25368/2022.151.

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Motivated by a chemical process engineering application, we introduce a new concept constructor in Description Logics (DLs), an n-ary variant of the existential restriction constructor, which generalizes both the usual existential restrictions and so-called qualified number restrictions. We show that the new constructor can be expressed in ALCQ, the extension of the basic DL ALC by qualified number restrictions. However, this representation results in an exponential blow-up. By giving direct algorithms for ALC extended with the new constructor, we can show that the complexity of reasoning in this new DL is actually not harder than the one of reasoning in ALCQ. Moreover, in our chemical process engineering application, a restricted DL that provides only the new constructor together with conjunction, and satisfies an additional restriction on the occurrence of roles names, is sufficient. For this DL, the subsumption problem is polynomial.

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Etu, Egbe-Etu, Imokhai Tenebe, Ankur Parma, Likhitha Yelamanchili, Dang Minh Nhu Nguyen, Louis Tran, and Ihor Markevych. Twilytics: A Social Perception Analysis of Public Transit Systems during the COVID-19 Pandemic. Mineta Transportation Institute, September 2022. http://dx.doi.org/10.31979/mti.2022.2210.

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In the United States, public transit ridership in 2020 declined by 79% compared to 2019 levels. With lockdowns implemented during the early days of the pandemic, direct human-to-human interactions migrated to virtual platforms (e.g., Facebook, Twitter, and Reddit). Social media platforms have aided researchers in answering numerous questions about current societal dilemmas, including COVID-19. This study investigates the public’s perception of transit systems via a social media analysis given the emergence of vaccines and other COVID-19 preventive measures. Findings revealed themes of fear and confusion concerning the use of public transportation during the pandemic. The public had doubts regarding the vaccines’ impact on transportation and movement throughout 2021, with most users concerned about the proliferation of new variants. Twitter users were concerned about the travel bans placed on African countries amidst the Omicron variant and urged the government to remove the bans. These findings will help bridge the gap between public health, transport, and commuter needs by helping transportation authorities and city planners better understand the social perception of transit systems during a pandemic.

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Gelb, Jr., Jack, Yoram Weisman, Brian Ladman, and Rosie Meir. Identification of Avian Infectious Brochitis Virus Variant Serotypes and Subtypes by PCR Product Cycle Sequencing for the Rational Selection of Effective Vaccines. United States Department of Agriculture, December 2003. http://dx.doi.org/10.32747/2003.7586470.bard.

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Objectives 1. Determine the serotypic identities of 40 recent IBV isolates from commercial chickens raised in the USA and Israel. 2. Sequence all IBV field isolates using PCR product cycle sequencing and analyze their S 1 sequence to detennine their homology to other strains in the Genbank and EMBL databases. 3. Select vaccinal strains with the highest S 1 sequence homology to the field isolates and perform challenge of immunity studies in chickens in laboratory trials to detennine level of protection afforded by the vaccines. Background Infectious bronchitis (IB) is a common, economically important disease of the chicken. IB occurs as a respiratory form, associated with airsacculitis, condemnation, and mortality of meat-type broilers, a reproductive form responsible for egg production losses in layers and breeders, and a renal form causing high mortality in broilers and pullets. The causative agent is avian coronavirus infectious bronchitis virus (IBV). Replication of the virus' RNA genome is error-prone and mutations commonly result. A major target for mutation is the gene encoding the spike (S) envelope protein used by the virus to attach and infect the host cell. Mutations in the S gene result in antigenic changes that can lead to the emergence of variant serotypes. The S gene is able to tolerate numerous mutations without compromising the virus' ability to replicate and cause disease. An end result of the virus' "flexibility" is that many strains of IBV are capable of existing in nature. Once formed, new mutant strains, often referred to as variants, are soon subjected to immunological selection so that only the most antigenically novel variants survive in poultry populations. Many novel antigenic variant serotypes and genotypes have been isolated from commercial poultry flocks. Identification of the field isolates of IBV responsible for outbreaks is critical for selecting the appropriate strain(s) for vaccination. Reverse transcriptase polymerase chain reaction (RT-PCR) of the Sl subunit of the envelope spike glycoprotein gene has been a common method used to identify field strains, replacing other time-consuming or less precise tests. Two PCR approaches have been used for identification, restriction fragment length polymorphism (RFLP) and direct automated cycle sequence analysis of a diagnostically relevant hypervariab1e region were compared in our BARD research. Vaccination for IB, although practiced routinely in commercial flocks, is often not protective. Field isolates responsible for outbreaks may be unrelated to the strain(s) used in the vaccination program. However, vaccines may provide varying degrees of cross- protection vs. unrelated field strains so vaccination studies should be performed. Conclusions RFLP and S1 sequence analysis methods were successfully performed using the field isolates from the USA and Israel. Importantly, the S1 sequence analysis method enabled a direct comparison of the genotypes of the field strains by aligning them to sequences in public databases e.g. GenBank. Novel S1 gene sequences were identified in both USA and Israel IBVs but greater diversity was observed in the field isolates from the USA. One novel genotype, characterized in this project, Israel/720/99, is currently being considered for development as an inactivated vaccine. Vaccination with IBV strains in the US (Massachusetts, Arkansas, Delaware 072) or in Israel (Massachusetts, Holland strain) provided higher degrees of cross-protection vs. homologous than heterologous strain challenge. In many cases however, vaccination with two strains (only studies with US strains) produced reasonable cross-protection against heterologous field isolate challenge. Implications S1 sequence analysis provides numerical similarity values and phylogenetic information that can be useful, although by no means conclusive, in developing vaccine control strategies. Identification of many novel S1 genotypes of IBV in the USA is evidence that commercial flocks will be challenged today and in the future with strains unrelated to vaccines. In Israel, monitoring flocks for novel IBV field isolates should continue given the identification of Israel/720/99, and perhaps others in the future. Strains selected for vaccination of commercial flocks should induce cross- protection against unrelated genotypes. Using diverse genotypes for vaccination may result in immunity against unrelated field strains.

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Salter and Weston. L51534 A Study of New Joining Processes for Pipelines. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), January 1987. http://dx.doi.org/10.55274/r0010083.

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Over many decades it has been accepted that the most economical way to produce a pipeline is to join together the standard lengths of pipe as quickly as possible, using a highly mobile task force of welders and other technicians, leaving tie-ins, crossings, etc. to smaller specialist crews. The work pattern which evolved almost invariably involved several crews of welders strung out along the pipelines, progress being controlled by the rate at which the leading pair could complete the weld root. The spread from this first crew to final inspection could be a considerable distance, acceptable on land but not acceptable offshore (a rapidly increasing need which reached a peak in the 1970's). This operation, involving costly lay barges, demanded even higher throughput rates to be achieved from a more compact working spread. In common with most manufacturing technologies, there was an increasing dissatisfaction with a system which relied entirely on the skill of a limited number of highly paid men who had little incentive to change their working practices. Increasingly there came reports of the development of new approaches to joining line-pipe, ranging from the mechanization of arc welding to entirely different forms of joining, for example, electron beam welding or mechanical joining. The investment in some of these developments is reported to be several million dollars. The review of present pipelining practice shows that only a handful has been put to practical use, and in the western world, probably only one, an arc welding variant, has been used to produce more than a few hundred miles of pipeline. The information available on these developments is sparse and is scattered amongst a range of companies and research agencies. A literature review and research study to collect together as much of this information as is available, assemble it into a coherent and useable form and identify those developments which show the most promise to fulfill future needs. The main body of the report, which reviews development of the welding processes has been divided into three main joining categories, Fusion Welding, Forge Welding and Mechanical Interference Joining. Within each category each process is considered separately in terms of process principles, general applications, application to pipeline welding, equipment for pipe welding, consumables, process tolerance and skill requirements, weld quality and inspection, process economics, limitations and future developments. This study and comprehensive report compares the economics of the various alternatives. For each process an estimate has been made of the procedural and development costs involved as well as personnel needs and likely production rates.

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van der Mensbrugghe, Dominique. The Standard GTAP Model in GAMS, Version 7.1. GTAP Working Paper, April 2023. http://dx.doi.org/10.21642/gtap.wp92.

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The purpose of this document is to describe a version of the Global Trade Analysis Project (GTAP) computable general equilibrium (CGE) model implemented in the General Algebraic Modeling System (GAMS) that is a literal implementation of the standard General Economic Modeling Package (GEMPACK) version. It updates and supersedes the model description provided in van der Mensbrugghe (2018), which remains the main reference. The key revision of the new version is that the model is calibrated to initially normalized variables, similar to Rutherford’s GTAPinGams model (Lanz and Rutherford (2016)). One objective is to improve model scaling and hopefully numerical convergence. One advantage is that it is relatively easy to view the results in percentage change form, similar to the GEMPACK version of the model. The new version includes three additional extensions: national-level Armington preferences for domestic vs. imports, agent-level sourcing by region of origin (a variant of the multi-region input-output model (MRIO)), and rent-generating ad valorem equivalent (AVE) of non-tariff measures (NTMs).

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Weller, Joel I., Derek M. Bickhart, Micha Ron, Eyal Seroussi, George Liu, and George R. Wiggans. Determination of actual polymorphisms responsible for economic trait variation in dairy cattle. United States Department of Agriculture, January 2015. http://dx.doi.org/10.32747/2015.7600017.bard.

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The project’s general objectives were to determine specific polymorphisms at the DNA level responsible for observed quantitative trait loci (QTLs) and to estimate their effects, frequencies, and selection potential in the Holstein dairy cattle breed. The specific objectives were to (1) localize the causative polymorphisms to small chromosomal segments based on analysis of 52 U.S. Holstein bulls each with at least 100 sons with high-reliability genetic evaluations using the a posteriori granddaughter design; (2) sequence the complete genomes of at least 40 of those bulls to 20 coverage; (3) determine causative polymorphisms based on concordance between the bulls’ genotypes for specific polymorphisms and their status for a QTL; (4) validate putative quantitative trait variants by genotyping a sample of Israeli Holstein cows; and (5) perform gene expression analysis using statistical methodologies, including determination of signatures of selection, based on somatic cells of cows that are homozygous for contrasting quantitative trait variants; and (6) analyze genes with putative quantitative trait variants using data mining techniques. Current methods for genomic evaluation are based on population-wide linkage disequilibrium between markers and actual alleles that affect traits of interest. Those methods have approximately doubled the rate of genetic gain for most traits in the U.S. Holstein population. With determination of causative polymorphisms, increasing the accuracy of genomic evaluations should be possible by including those genotypes as fixed effects in the analysis models. Determination of causative polymorphisms should also yield useful information on gene function and genetic architecture of complex traits. Concordance between QTL genotype as determined by the a posteriori granddaughter design and marker genotype was determined for 30 trait-by-chromosomal segment effects that are segregating in the U.S. Holstein population; a probability of <10²⁰ was used to accept the null hypothesis that no segregating gene within the chromosomal segment was affecting the trait. Genotypes for 83 grandsires and 17,217 sons were determined by either complete sequence or imputation for 3,148,506 polymorphisms across the entire genome. Variant sites were identified from previous studies (such as the 1000 Bull Genomes Project) and from DNA sequencing of bulls unique to this project, which is one of the largest marker variant surveys conducted for the Holstein breed of cattle. Effects for stature on chromosome 11, daughter pregnancy rate on chromosome 18, and protein percentage on chromosome 20 met 3 criteria: (1) complete or nearly complete concordance, (2) nominal significance of the polymorphism effect after correction for all other polymorphisms, and (3) marker coefficient of determination >40% of total multiple-regression coefficient of determination for the 30 polymorphisms with highest concordance. The missense polymorphism Phe279Tyr in GHR at 31,909,478 base pairs on chromosome 20 was confirmed as the causative mutation for fat and protein concentration. For effect on fat percentage, 12 additional missensepolymorphisms on chromosome 14 were found that had nearly complete concordance with the suggested causative polymorphism (missense mutation Ala232Glu in DGAT1). The markers used in routine U.S. genomic evaluations were increased from 60,000 to 80,000 by adding markers for known QTLs and markers detected in BARD and other research projects. Objectives 1 and 2 were completely accomplished, and objective 3 was partially accomplished. Because no new clear-cut causative polymorphisms were discovered, objectives 4 through 6 were not completed.

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Lublin, A., H. Ly, E. Porter, S. Mor, Y. Farnoushi, and S. M. Goyal. Novel vaccination strategies to combat chicken arthritis/tenosynovitis reoviruses in US and Israel. Israel: United States-Israel Binational Agricultural Research and Development Fund, 2020. http://dx.doi.org/10.32747/2020.8134154.bard.

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Objectives: The general objective of the research was to study the evolution of lameness/tendon rupture-associated CARVs (chicken avian reovirus) in the US and Israel with a view to develop novel vaccines for its control. -- Specific aims: 1. To perform comparative genomic analysis and phylodynamics of CARV strains from the US and Israel, to determine space-time distribution of variant viruses; to propose unified criteria for assigning them to genotypes and genotype constellations, to determine re-assortments and rate of substitutions in the re-emerging viruses, and to identify specific strains suitable to be used for a safe and effective vaccine for the control of multiple contemporary CARV strains. 2. To develop a live virus vectored bivalent vaccine and a bivalent subunit vaccine against new CARV strains in US and Israel.

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Engel, Charles. Some New Variance Bounds for Asset Prices. Cambridge, MA: National Bureau of Economic Research, December 2004. http://dx.doi.org/10.3386/w10981.

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Tuite, Ashleigh R., David N. Fisman, Ayodele Odutayo, Pavlos Bobos, Vanessa Allen, Isaac I. Bogoch, Adalsteinn D. Brown, et al. COVID-19 Hospitalizations, ICU Admissions and Deaths Associated with the New Variants of Concern. Ontario COVID-19 Science Advisory Table, March 2021. http://dx.doi.org/10.47326/ocsat.2021.02.18.1.0.

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New variants of concern (VOCs) now account for 67% of all Ontario SARS-CoV-2 infections. Compared with early variants of SARS-CoV-2, VOCs are associated with a 63% increased risk of hospitalization, a 103% increased risk of intensive care unit (ICU) admission and a 56% increased risk of death due to COVID-19. VOCs are having a substantial impact on Ontario’s healthcare system. On March 28, 2021, the daily number of new SARS-CoV-2 infections in Ontario reached the daily number of cases observed near the height of the second wave, at the start of the province-wide lockdown, on December 26, 2020. The number of people hospitalized with COVID-19 is now 21% higher than at the start of the province-wide lockdown, while ICU occupancy is 28% higher (Figure 1). The percentage of COVID-19 patients in ICUs who are younger than 60 years is about 50% higher now than it was prior to the start of the province-wide lockdown. Because the increased risk of COVID-19 hospitalization, ICU admission and death with VOCs is most pronounced 14 to 28 days after diagnosis, there will be significant delays until the full burden to the health care system becomes apparent.

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