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Literatura académica sobre el tema "F07A"

Autor: Grafiati

Publicado: 11 de marzo de 2023

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Artículos de revistas sobre el tema "F07A"

ASLAN, ALI. "LICHENS FROM THE REGIONS OF ARTVIN, ERZURUM, AND KARS (TURKEY)". Israel Journal of Plant Sciences 48, n.º 2 (1 de enero de 2000): 143–55. http://dx.doi.org/10.1560/kc54-1w57-f07a-09jl.

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Mikkola, Andersson, Kharechkina, Kruglova y Kruglov. "Fusaricidin-Type Compounds Create Pores in Mitochondrial and Plasma Membranes of Mammalian Cells". Biomolecules 9, n.º 9 (1 de septiembre de 2019): 433. http://dx.doi.org/10.3390/biom9090433.

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Fusaricidins and related LI-F compounds are effective bactericides and fungicides. Recently, we have found that they are highly toxic to mammalian cells. Here, we studied the effect of fusaricidin-type compounds (FTCs) on the membranes of mammalian cells. Ethanol extracts from Paenibacillus polymyxa strains, RS10 and I/Sim, were fractionated and analyzed by HPLC and mass spectrometry. The effects of FTCs on mitochondrial functions and integrity were studied by standard methods: measurements of swelling, membrane potential (ΔΨm), respiration rate, cytochrome c release, and pore sizes. Superoxide flashes were registered by 3,7-dihydro-2-methyl-6-(4-methoxyphenyl)imidazol[1,2-a]pyrazine-3-one (MCLA). Plasma membrane permeability was assessed by propidium iodide (PI) staining and ATP release. FTCs caused the permeabilization of the inner mitochondria membrane (IMM) to ions and low-molecular-weight (~750 Da) solutes. The permeabilization did not depend on the permeability transition pore (mPTP) but was strongly dependent on ΔΨm. Fusaricidins A plus B, LI-F05a, and LI-F05b–LI-F07b permeabilized IMM with comparable efficiency. They created pores and affected mitochondrial functions and integrity similarly to mPTP opening. They permeabilized the sperm cell plasma membrane to ATP and PI. Thus, the formation of pores in polarized membranes underlays the toxicity of FTCs to mammals. Besides, FTCs appeared to be superior reference compounds for mPTP studies.

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Zhang, Cheng, Huan Cui, Zhongyi Wang, Shishan Dong, Chunmao Zhang, Jiaming Li, Keyin Meng et al. "Pathogenicity and transmissibility assessment of two strains of human influenza virus isolated in China in 2018". Journal of International Medical Research 49, n.º 1 (enero de 2021): 030006052098283. http://dx.doi.org/10.1177/0300060520982832.

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Objective Influenza season occurs every year in China, but its presentation was unusual in the period from December 2017 to early 2018. During this period, influenza activity was increasing across the country and was much greater than during the same period in previous years, with great harm to people’s health. Methods In this study, we isolated two human influenza virus strains—A/Hebei/F076/2018(H1N1) and B/Hebei/16275B/2018—from patients with severe influenza in Hebei, China, during the flu season in January 2018, and explored their genetic characteristics, pathogenicity, and transmissibility. Results A/Hebei/F076/2018(H1N1) belongs to the human-like H1N1 influenza virus lineage, whereas B/Hebei/16275B/2018 belongs to the Victoria lineage and is closely related to the World Health Organization reference strain B/Brisbane/60/2008. Pathogenicity tests revealed that A/Hebei/F076/2018(H1N1) replicated much more strongly in mice, with mice exhibiting 40% mortality, whereas B/Hebei/16275B/2018 was not lethal. Both viruses could be transmitted through direct contact and by the aerosol route between guinea pigs, but the H1N1 strain exhibited higher airborne transmissibility. Conclusions These results may contribute to the monitoring of influenza mutation and the prevention of an influenza outbreak.

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Marín-Ortiz, Juan Carlos, Lilliana María Hoyos-Carvajal y Veronica Botero Fernandez. "Detección de plantas asintomáticas de Solanum lycopersicum L. infectadas con Fusarium oxysporum usando espectroscopia de reflectancia VIS". Revista Colombiana de Ciencias Hortícolas 12, n.º 2 (1 de mayo de 2018): 436–46. http://dx.doi.org/10.17584/rcch.2018v12i2.7293.

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Las plantas asintomáticas son reservorios de patógenos, ya que pueden permanecer infectadas la mayor parte de su ciclo de desarrollo, convirtiéndose en fuente de contaminación para el resto del cultivo. El objetivo de este estudio fue evaluar un método de detección y discriminación de dos cepas de Fusarium oxysporum en tomate usando espectroscopia. La enfermedad en las plantas de tomate inoculadas con la cepa aislada de gulupa (F05) fue mayor a la observada en la cepa aislada de tomate (F07), presentando valores de 60,0% (11 días) y 81,8% (22 días); la cepa F07 presentó incidencias de 30,0 y 64,3% en ambas mediciones. La planta infectada con la cepa F05 fue mejor discriminada en el periodo de incubación de la enfermedad en ambos periodos de tiempo en los Análisis de Componentes Principales (PCA) y Análisis Discriminantes Lineales (LDA) realizados con los controles en comparación con la cepa F07. Estos resultados sugieren que la espectroscopia de reflectancia VIS es un método sensible y confiable que puede ser adecuado para el diagnóstico temprano de enfermedades en plantas.

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Cochrane, James R., Dong Hee Yoon, Christopher S. P. McErlean y Katrina A. Jolliffe. "A macrolactonization approach to the total synthesis of the antimicrobial cyclic depsipeptide LI-F04a and diastereoisomeric analogues". Beilstein Journal of Organic Chemistry 8 (21 de agosto de 2012): 1344–51. http://dx.doi.org/10.3762/bjoc.8.154.

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The cyclic peptide core of the antifungal and antibiotic cyclic depsipeptide LI-F04a was synthesised by using a modified Yamaguchi macrolactonization approach. Alternative methods of macrolactonization (e.g., Corey–Nicolaou) resulted in significant epimerization of the C-terminal amino acid during the cyclization reaction. The D-stereochemistry of the alanine residue in the naturally occurring cyclic peptide may be required for the antifungal activity of this natural product.

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Ono, Sakurako, Nobuhito Sone, Masasuke Yoshida y Toshiharu Suzuki. "ATP Synthase that Lacks F0a-Subunit". Journal of Biological Chemistry 279, n.º 32 (2 de junio de 2004): 33409–12. http://dx.doi.org/10.1074/jbc.m404993200.

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Oliveira, I., A. C. M. Reis, M. de Lima Isaac y M. A. Hyppolito. "F072 Auditory P300 in patients complaining of daytime sleepiness". International Journal of Pediatric Otorhinolaryngology 75 (mayo de 2011): 96. http://dx.doi.org/10.1016/s0165-5876(11)70495-5.

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Göran, Samsioe, Åaberg Anders, Balsell Gunvor, Sandin Kristina y Hüls Gabriele. "F074 Transdermal oestradiol lowers cholesterol in moderately hypercholesterolemic women". Maturitas 27 (noviembre de 1996): 65–66. http://dx.doi.org/10.1016/s0378-5122(97)81036-5.

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Calder, AL, K. Piegsa, JA Davis, FM Bryden, DM Hart y MJ Wells. "F079 Endometrial assessment of women on continuous combined HRT". Maturitas 27 (noviembre de 1996): 68. http://dx.doi.org/10.1016/s0378-5122(97)81043-2.

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Begum, Khurshida, M. Jahangir Alam, Jacob McPherson, Gabriela Costa, Julie M. Miranda, Chris Lancaster y Kevin W. Garey. "2410. Molecular Characteristics of Environmental Clostridioides difficile From a Large Texas Hospital". Open Forum Infectious Diseases 6, Supplement_2 (octubre de 2019): S832. http://dx.doi.org/10.1093/ofid/ofz360.2088.

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Abstract Background Clostridioides difficile is an anaerobic spore-forming, toxin-producing Gram-positive bacillus listed by the CDC as an “urgent threat” pathogen. Epidemiologic studies using whole-genome sequencing (WGS) have found that genetically distinct lineages infections occur in hospitalized patients, in addition to the fact that C. difficile spores persist on hospital surfaces after disinfection. The purposes of this study were to isolate and characterize C. difficile from the environment of a large Texas hospital. Methods We collected 330 swab samples of hospital environmental surfaces using sterile cotton gauze. The samples were then anaerobically enriched in brain heart infusion broth for 48–72 hours and plated onto cycloserine–cefoxitin fructose agar (CCFA). Suspected colonies were then genetically characterized using PCR (for tcdA, tcdB, cdtA, cdtB and tpi genes) and genotyped using fluorescent PCR ribotyping techniques. Results A total of 90/330 (27.3%) environmental samples were culture positive for C. difficile, of which 75/90 (82.1%) tested were toxigenic C. difficile by the presence of tcdA, tcdB, cdtA or cdtB. A total of 16 distinct ribotypes were identified from 41 C. difficile isolates tested using a fluorescent-ribotyping method. The predominant ribotypes isolated were F078–126 (8/41), F002 (5/41), F106 (4/41), F255 (4/41), and F014-020 (3/41). Conclusion We found a diversity of C. difficile strain types in various hospital high-touch surface environment in addition to ribotype F027 and F078, suggesting the hospital environment a reservoir and significant source C. difficile infections. Disclosures All authors: No reported disclosures.

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Tesis sobre el tema "F07A"

Thomas, Robyn. "Appraisal in the gendered organisation : the experience of women academics". Thesis, University of South Wales, 1997. https://pure.southwales.ac.uk/en/studentthesis/appraisal-in-the-gendered-organisation(6c27a71b-f07a-46ee-9354-c5e0fd992d8e).html.

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This thesis investigates women academics' experiences of the gendered university culture, during a period of rapid change in the management of higher education and the academic profession. The research draws on a Foucauldian feminist methodology to understand how, and in what ways, the dominant discourses of the university culture constitute women academics' identities. In particular, the research questions the nature of the gender relations emerging as a result of the introduction of the discourses of 'new public management'. The research examines the ways in which these new discourses are promoted through a range of disciplinary technologies, including academic appraisal, and the impact this has on women academics' professional roles and identities. The empirical work is based on three university case studies, from both the 'old' and 'new' university sectors. In each case study, the women academics tell of their experiences of the gendered university culture, and their perceptions of the appraisal process. The findings suggest that the recent changes in the management of universities have reinforced and strengthened the masculine discourses of the gendered academy. The opportunities for women to exploit the discursive spaces arising from the recent unseating of the traditional discourses of the academy have been marginal. Through the adoption of a Foucauldian feminist methodology, this research has enabled women academics to have a voice in the shaping of knowledge about university organisations and management. In doing so, the research contributes to the understanding of gendered university cultures and the constitution of individual subjectivities, as well as, in the wider context, the gendered nature of organisations and organisational theory.

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Khotavivattana, Tanatorn. "¹⁸F-labelling of new chemotypes for drug discovery". Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:d4e8c8fd-f07d-44c3-b95b-5e7ad4127dde.

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In this thesis, the 18F-labelling of new "chemotypes" will be described with the aim of application in pharmaceutically interesting targets. In Chapter 1, a general introduction to the effect of fluorine substituents on molecular properties and reactivity is provided. This includes the application of organofluorine in both medicinal chemistry and positron emission tomography. Chapter 2 describes a novel silver-mediated 18F-labelling of Ar-SCF3, Ar OCF3 and Ar-OCF2H, including [18F]Riluzole, the 18F labelled version of a drug for treatment of amyotrophic lateral sclerosis (ALS). This work demonstrates that AgOTf can induce halogen exchange nucleophilic 18F-fluorination under mild reaction conditions with a wide range of substrates. In addition, the 18F-labelled Ar-SCF3 substrate is further transformed into the [18F]Umemoto reagent in a single step. The Umemoto reagent has been extensively used for electrophilic trifluoromethylation of various functional groups. Therefore the labelling of this reagent could potentially expand the radiochemical space available for PET applications. To augment the utility of this reagent, we developed a late-stage stereoselective trifluoromethylation-thiocyclisation of alkenes using electrophilic trifluoromethylating reagents such as Umemoto reagent or Togni reagent, which will be discussed in Chapter 3. In this process, thiourea acts as both S-nucleophile and CF3 radical initiator; therefore no metal or photoredox catalyst is required. The reaction affords novel trifluoromethylated 2-amino-thiazolines and 2-amino-thiazines, important scaffolds in the development of aspartate beta-secretase enzyme (BACE-1) inhibitors, a therapeutic target for Alzheimer's disease. Chapter 4 investigates the 18F-labelling of a,a-difluoro-a-aryloxyacetic acid, a class of substrate that can serve as a versatile intermediate which can undergo various decarboxylative functionalisation reactions to afford a wide range of novel 18F labelled a fluorinated aryl ethers. Finally, Chapter 5 gives full experimental procedures and characterisation data for all compounds.

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Lalic, Tatjana. "Synaptic transmission of hippocampal mossy fibres in health and disease". Thesis, University of Oxford, 2009. http://ora.ox.ac.uk/objects/uuid:cb37e4ad-f00a-4fb5-b4b4-5f8a55c3c64c.

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Dentate microcircuitry is thought to be involved in filtering, integrating, and relaying extrinsic hippocampal inputs to the hippocampus proper, which contributes to memory formation and retrieval. The axons of granule cells are called mossy fibres (MFs), and contain multiple terminal types that form characteristic synaptic connections with their postsynaptic targets. This diversity of presynaptic release sites that exists on the same MF provides an extremely interesting axonal type to study the organizing principles of presynaptic release regulation. A remarkable set of neurotransmitters and receptors present at the MF synaptic complex allow diverse computational modification of information from the dentate gyrus to the hippocampus. There are several types of glutamate receptors expressed at MF, such as group II/III mGluRs and kainate receptors (KARs). Presynaptic KARs modulate transmission at MF-CA3 pyramidal cell synapses; however, it is not known whether presynaptic KARs affect other synapses made by MFs. The aim of the first part of this thesis was to establish the principles of synapse-specific actions of presynaptic KARs in MFs. Combining electrophysiology and calcium imaging, this study provides compelling evidence that presynaptic KARs and Ca²⁺ stores can be activated by glutamate release from a single action potential in a single MF axon. This contributes to short-term, use-dependent facilitation of presynaptic Ca²⁺ entry and glutamate release exclusively at MF-CA3 pyramidal cell synaps, but not at other MF synapses, on hilar mossy cells or interneurons. Thus, our findings indicate that the presynaptic KARs, coupled with intracellular stores, exist in a synapse-specific autoreceptor mechanism. Activation of KARs strengthened MF-CA3 pyramidal cell synapses by increasing the Ca²⁺ influx at giant boutons, which might also contribute to the KAR-dependent hyper-excitability of the MF circuitry related to the mechanisms of temporal lobe epilepsy (TLE). This makes KARs good potential targets for therapies in CNS disorders such as epilepsy and other neurological and psychiatric disorders. The second part of this thesis was to explore the actions on the hippocampus of purified antibodies from a limbic encephalitis (LE) patient. LE is a CNS disease characterized by subacute onset of memory loss and temporal lobe seizures. The serum of these patients strongly labels MFs apparently co-localizing with the VGKC. The patients improve with immunotherapies that reduce the VGKC antibody levels in the serum, thus, strongly suggesting that these antibodies cause the condition. We found that LE serum IgGs enhance CA3 pyramidal cell excitability by blocking α-DTX sensitive VGKCs, which results in the increased release of glutamate. This, in turn, strengthens and desynchronizes MF and CA3 pyramidal cells synaptic transmission. However, these effects were occluded by α-DTX, a Kv1.1, Kv1.2 and Kv1.6 antagonist which, when applied alone, mimicked the action of the LE IgG, suggesting that they may share similar mechanisms of action. In contrast serum taken from healthy control patients had no significant effect under same recording conditions. Thus, this study provides the first evidence that the LE IgG functionally affects VGKC containing Kv1.1, Kv1.2 and/or Kv1.6 at both presynaptic MF axon terminals as well as the postsynaptic somatodendritic domain of CA3 pyramidal cells. Whatever defines the exact nature of LE IgG action, our results suggest that drugs acting specifically as openers of VGKC might help to protect the hippocampus from immune-mediated damage. In conclusion my data is consistent with the increasingly documented idea that MFs play a critical role in regulating the excitability of the hippocampal circuits and the dysfunction of MF transmission profoundly impairs hippocampal function.

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Chen, Yiping. "Word recognition and reading in Chinese". Thesis, University of Oxford, 1993. http://ora.ox.ac.uk/objects/uuid:8f034ff4-f07c-459b-95f7-4b0a72e07c45.

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Finally, the present thesis develops an analytic account of word recognition and reading in Chinese. Implications are drawn for both experimental studies of normal reading and neuropsychological studies of dyslexia in Chinese.

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Stovold, Caroline P. "An ion-binding approach to asymmetric allylation reactions". Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:1dc96ffb-f079-4b7a-847e-5d2fb792caf9.

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Ion-binding organocatalysis is an emerging field that has the potential to control the stereochemical outcome of any transformation that goes via charged intermediates. The aim of this project was to explore how this concept could be applied to an asymmetric allylation reaction. Chapter 2 of this thesis discusses anion-binding catalysis and investigates a chiral cooperative thiourea catalyst that could bind to fluoride to control allylation using an allylsilane. Optimization using a non-chiral thiourea (Schreiner’s catalyst) demonstrated that the reaction proceeded in high yield with TBAT onto an N-benzoylhydrazone. A chiral cooperative thiourea catalyst library was then synthesized but unfortunately, although the allylation using these catalysts proceeded in excellent yield, the product was isolated as the racemate (Scheme 1). Scheme 1: Anion-binding catalysis gave allylated products in high yields but gave no stereocontrol. Chapter 3 examines a chiral quaternary ammonium fluoride as an example of chiral cation-directed catalysis. We hypothesized that an allylsilane activated by fluoride would generate an allyl anion species that would associate with the chiral quaternary ammonium cation through electrostatic interactions. Extensive optimization found that the allylation reaction proceeded in good yield in chloroform at reflux with N-benzoylhydrazones. Different fluoride catalysts were prepared using an ion-exchange resin, and cinchonidine-derived catalysts performed the best. This methodology was extended to a phase-transfer catalyzed process, where solid cesium fluoride exchanged with chloride in situ, removing the need to synthesize and isolate ammonium fluoride catalysts (Scheme 2). Scheme 2: Cation-directed asymmetric allylation. In Chapter 4 cation-directed asymmetric catalysis was extended to an intramolecular allylation reaction. Substrate synthesis was attempted by cross metathesis but the reaction was capricious and yields were low. Intramolecular allylation with these materials gave promising results (Scheme 3) but a lack of material prevented optimization. Scheme 3: Intramolecular allylation results.

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Tan, Tiong Kit. "Development of viral vectors for passive immunisation against influenza". Thesis, University of Oxford, 2017. https://ora.ox.ac.uk/objects/uuid:54fd7396-f09a-46e5-952e-95a1f5449326.

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Seasonal influenza is a major global health threat causing more than 500,000 deaths annually. Pandemic influenza can arise through antigenic shift, or when novel influenza strains escape from animal reservoirs, and can affect a large geographical area leading to a large number of deaths. Neither prior infection, nor current vaccines, provide lasting protection due to the rapid antigenic evolution of influenza virus. The discovery of broadly neutralising antibodies (bnAbs) against influenza has opened the possibility of passive immunisation, which could provide protection against multiple influenza strains. Passive immunisation by parenteral administration of purified antibody is challenging, hindered by high antibody production costs and the short half-life of antibody in the circulation leading to relatively transient protection; however the use of viral vectors to deliver bnAbs can begin to address these limitations. Studies presented in this thesis investigated the feasibility of a novel, lung-targeting lentiviral vector pseudotyped with the fusion (F) and haemagglutinin-neuraminidase (HN) coat proteins from Sendai virus (rSIV.F/HN) as a gene transfer agent for bnAb expression. Recombinant SIV.F/HN vector expressing a secreted reporter protein Gaussia luciferase showed expression in the mouse lung lumen 1 month after lung administration. A single dose of rSIV.F/HN encoding novel anti-influenza bnAb (T1-3B) in a single Open Reading Frame directed expression of T1-3B into the lung lumen and systemic circulation, and conferred partial protection against lethal influenza challenge. Intramuscular (IM) delivery of a recombinant adeno-associated virus vector (rAAV2/8), previously reported to be effective against influenza challenge in mice, directed levels of T1-3B that conferred complete protection against influenza challenge. Daily repeat administrations of rSIV.F/HN did not improve protection against influenza challenge, but the ability of this vector to be repeatedly administered without loss of efficacy may be an advantage in potential clinical applications. Engineering of the bnAb, into the IgA1 backbone greatly enhanced the potency of several bnAbs and might improve influenza protection mediated by rSIV.F/HN. In conclusion, prophylaxis provided by gene transfer during an influenza pandemic might be feasible, providing long-lasting, more cost-effective and time-responsive protection than traditional vaccines or parenteral administration of therapeutic antibody.

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Davis, Harrison E. C. "An investigation of a possible non-neuronal cholinergic system in the vasculature". Thesis, University of Oxford, 2015. https://ora.ox.ac.uk/objects/uuid:9249c66f-f074-41ce-83a4-029d654d5124.

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Vascular endothelial cells express muscarinic acetylcholine receptors, which lead to NO- and endothelium derived hyperpolarization responses that constitute major pathways for vasodilation. As evidence suggests that perivascular nerves may not represent a viable source of innervating ACh, we investigated whether suggestions of a 'non-neuronal cholinergic system' within the vasculature might act as a source of ACh that is able to influence the endothelium. Rat mesenteric arteries were cut open and held as an en-face preparation with the endothelial cell (EC) layer exposed to measure EC [Ca2+]i. Furthermore we present the first example of EC tubes isolated from rat mesenteric arteries, used to measure EC [Ca2+]i. Immunohistochemistry was performed on intact arteries to demonstrate localization of important cholinergic proteins. Direct application of rat whole blood induced increased Ca2+ activity in ECs that did not appear to rely on shear stress or other mechanical interaction of the blood with the endothelial cells. This response, shown to rely on IP3 mediated Ca2+ release, was attenuated by the muscarinic antagonist atropine; it was concluded that blood contains or induces the release of non-neuronal ACh. The localization of the ACh synthesizing protein, choline acetyltransferase by immunohistochemistry provides evidence for a source of ACh originating within the endothelium. In accordance with this, the blocker of high affinity choline uptake, hemicholinium-3, had a significant effect in reversing choline potentiated responses in ECs. Taken together, we proposed that ACh is released potentially via organic cation transporter proteins located in the endothelium, upon stimulation by blood in response to an as yet undetermined signal. The ability to influence EC Ca2+ highlights a role for blood in the local control of these cells and the data presented suggest ACh produced locally may provide physiological relevance by exerting influence on endothelial M3 muscarinic acetylcholine receptors.

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Ruckli, Beatrix. "The meaning of creative activities in the lives of people in remission from mental illness". Thesis, University of Brighton, 2016. https://research.brighton.ac.uk/en/studentTheses/fc01d70f-f071-46fa-9d19-a64c590cb6bf.

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Traditionally, creative activities have been used in occupational therapy practice as an intervention with people who have a mental illness. Recent research has explored engagement in creative activities with people living with disabilities, mental illness, retired people and people with cognitive impairment. The findings centred on positive emotions, increase in self-confidence and respite from worrying thoughts. Anecdotal evidence from local occupational therapy practitioners and arts organisations suggested that people in remission of mental illness seemed to use creative activities in their daily lives as a way to keep well, but deeper understanding was missing about this. The first aim of this study was to gain a deeper understanding of the phenomenon of voluntary participation in creative activities by people in remission of mental illness. The second aim was to explore and provide evidence of any relationship between well-being and creative activities as it was perceived by the participants. The research utilised a hermeneutic phenomenological approach. Qualitative data were collected through interviews with participants, transcribed verbatim and analysed within the hermeneutic tradition. Ten participants volunteered and were recruited by mental health NHS staff in central England. All participants had a diagnosis of a mental illness but were in remission from between six months and seven years at the time of the interviews. The data were analysed via my own interpretation of Cohen, Kahn and Steeves’ (2000) approach to hermeneutic phenomenological data analysis. The findings revealed that for all participants, engagement in their chosen creative activity evoked enjoyment and was of particular personal significance and meaning. Their subjective experiences highlighted the possible therapeutic potential of creative occupation, in particular, temporary mental relief from self-referential thoughts through deep immersion into the creative process. Deep engagement in creative occupation encompassed different types of optimal experience and might have a soothing effect on the Default Mode Network. The deliberate engagement in creative activities supports Wilcock’s theory of the use of occupation for self-restoration and keeping healthy. Additionally, the real contact with people and places facilitated a more active lifestyle which impacted also positively on the participants’ sense of well-being. The findings of the study are discussed from an occupational science perspective to extend our understanding of the solitary and group nature and effects of participation in creative activities.

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Noiret, Christophe. "Modèles éléments finis du pressage, du fluage et du soufflage du verre". Valenciennes, 1996. https://ged.uphf.fr/nuxeo/site/esupversions/c7f770ab-f0a7-47b2-8040-68a6f0458416.

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Pour prévoir et mettre au point la mise en forme d'articles volumiques en verre, les modèles éléments finis et les simulations numériques sont développées pour trois grands procédés : le pressage, le fluage et le soufflage. Par une formulation thermomécanique découplée, les modèles tiennent compte de l'écoulement newtonien du verre en présence des conditions de contact fortement évolutives au cours de la mise en forme ; la convection avec l'air et la conduction avec les outils sont estimes, soit par un modèle éléments finis en formulation implicite, soit de manière originale par un calcul analytique de la distribution de température limite à l'épaisseur de l'article en verre. Ces modèles sont utilisés avec succès pour une analyse de sensibilité des trois procédés aux paramètres géométriques et processus, en vue de leur optimisation et de leur validation, lors de la fabrication d'articles type issus des catalogues de fabricants verriers. Enfin, en s'appuyant sur le savoir-faire et les relevés expérimentaux, ces modèles numériques permettent la recherche de solutions adaptées, lors de la fabrication de deux articles de référence dans des situations extrêmes de formage.

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Gobin, Damien. "Étude de problèmes de diffusion inverse à énergie fixée pour des variétés asymptotiquement hyperboliques". Nantes, 2016. http://archive.bu.univ-nantes.fr/pollux/show.action?id=19e4187d-f072-4f00-a81c-f636386c7d24.

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On étudie des problèmes de diffusion inverse à énergie fixée pour différents types de géométries ayant plus ou moins de symétries. On commence par obtenir un résultat de diffusion inverse local à énergie fixée pour l’équation de Dirac sans masse et sans charge sur des variétés asymptotiquement hyperboliques et à symétrie sphérique. Dans un second chapitre on s’intéresse aux trous noirs de type Reissner-Nordström-de Sitter qui sont des solutions à symétrie sphérique et électriquement chargées de l’équation d’Einstein. On obtient alors un résultat de diffusion inverse à énergie fixée pour l’équation de Dirac massive et chargée. Enfin, on s’intéresse à des variétés de Stäckel de dimension trois ayant la topologie d’un cylindre torique, satisfaisant la condition de Robertson et munies d’une structure asymptotiquement hyperbolique. Sur ces variétés on utilise la théorie de séparation des variables pour l’équation de Helmholtz et une version multivariable de la méthode de Complexification du Moment Angulaire afin d’obtenir un résultat de diffusion inverse à énergie fixée
We study inverse scattering problems at fixed energy for different geometries with more or less symmetries. First, we obtain a local inverse scattering result at fixed energy for the massless and chargeless Dirac equation on asymptotically hyperbolic manifolds with spherical symmetry. In a second chapter, we are interested in Reissner-Nordström-de Sitter black holes which are spherically symmetric and electrically charged solutions of the Einstein equation. We then obtain an inverse scattering result at fixed energy for the massive and charged Dirac equation. Finally, we are interested in Stäckel manifolds of dimension three with the topology of a toric cylinder, satisfying the Robertson condition and endowed with an asymptotically hyperbolic structure. On these manifolds we use the variable separation theory for the Helmholtz equation and a multivariable version of the method of Complexification of the Angular Momentum in order to obtain an inverse scattering result at fixed energy

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Libros sobre el tema "F07A"

(Firm), Aerojet y United States. National Aeronautics and Space Administration., eds. Integrated Advanced Microwave Sounding Unit-A (AMSU-A), performance verification report, METSAT Phase Locked Oscillator assembly, P/N 1348360-1, S/N's F07 and F08: Contract no. NAS 5-32314. [Washington, DC: National Aeronautics and Space Administration, 1998.

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Maddox, Jake. Jake Maddox Books F07 Collection. Capstone, 2007.

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Sports: Grades 4-8 (Accelerated Reading Book Set F07). Renaissance Learning Inc, 2001.

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Capítulos de libros sobre el tema "F07A"

Frölich, L. y F. Schneider. "Nichtsubstanzbedingte delirante Syndrome (F05) und andere organische psychische Erkrankungen (F04, F06, F07)". En Facharztwissen Psychiatrie, Psychosomatik und Psychotherapie, 249–56. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-50345-4_18.

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Frölich, Lutz y Frank Schneider. "Nichtsubstanzbedingte delirante Syndrome (F05) und andere organische psychische Erkrankungen (F04, F06, F07)". En Facharztwissen Psychiatrie und Psychotherapie, 225–31. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-17192-5_18.

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Gaborit, Justine. "Abou Shams Al-Shati (Syrie) – F07". En La vallée engloutie (Volume 2 : catalogue des sites). Presses de l’Ifpo, 2015. http://dx.doi.org/10.4000/books.ifpo.7268.

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"2.6 Persönlichkeits- und Verhaltensstörung aufgrund einer Erkrankung, Schädigung oder Funktionsstörung des Gehirns (F07)". En Psychiatrie und Psychotherapie compact, editado por Siegfried Kasper y Hans-Peter Volz. Stuttgart: Georg Thieme Verlag, 2014. http://dx.doi.org/10.1055/b-0034-93907.

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Actas de conferencias sobre el tema "F07A"

Puch, Elżbieta Alicja, Grzegorz Witkowski, Mark Isalan, Michał Mielcarek y Daniel Zielonka. "F07 A frequency of concomitant disorders in presymptomatic huntington’s disease patients". En EHDN 2018 Plenary Meeting, Vienna, Austria, Programme and Abstracts. BMJ Publishing Group Ltd, 2018. http://dx.doi.org/10.1136/jnnp-2018-ehdn.113.

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Amri, Nurmaida y Cahaya Bintang. "Pengaruh Sistem Kekerabatan terhadap Pola Permukiman Kampung Bajoe". En Temu Ilmiah IPLBI 2018. Ikatan Peneliti Lingkungan Binaan Indonesia, 2018. http://dx.doi.org/10.32315/ti.7.f074.

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Mushar, Pratiwi y Shirly Wunas. "Efisiensi Energi Pada Rumah Produktif". En Temu Ilmiah IPLBI 2018. Ikatan Peneliti Lingkungan Binaan Indonesia, 2018. http://dx.doi.org/10.32315/ti.7.f079.

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Stout, Julie, Audrey Hulme, Mehdi Davoodi, Alison O’Regan, Cory Wasser y Yifat Glikmann-Johnston. "F07 The Huntington’s disease network of Australia (HDNA): preparing for the advent of new therapies for HD". En EHDN 2022 Plenary Meeting, Bologna, Italy, Abstracts. BMJ Publishing Group Ltd, 2022. http://dx.doi.org/10.1136/jnnp-2022-ehdn.98.

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Johnston, D. H., W. P. Gouveia, A. Solberg y M. Lauritzen. "Integration of Time-Lapse Seismic and Production Logging Data: Jotun Field, Norway". En Geophysics of the 21st Century - The Leap into the Future. European Association of Geoscientists & Engineers, 2003. http://dx.doi.org/10.3997/2214-4609-pdb.38.f070.

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Rozanov, A. "Spectral and Correlation Analysis of Acoustic Emission Waveforms and Failure Micromechanics in Rocks." En Geophysics of the 21st Century - The Leap into the Future. European Association of Geoscientists & Engineers, 2003. http://dx.doi.org/10.3997/2214-4609-pdb.38.f071.

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Ryzhikov, G. A. y M. S. Biryulina. "Offshore virtual wellogs: elastic depth imaging via routine streamer data". En Geophysics of the 21st Century - The Leap into the Future. European Association of Geoscientists & Engineers, 2003. http://dx.doi.org/10.3997/2214-4609-pdb.38.f073.

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Lensky, V. A. "Application of VSP both in prospect and exploitation drilling: the results and the problems". En Geophysics of the 21st Century - The Leap into the Future. European Association of Geoscientists & Engineers, 2003. http://dx.doi.org/10.3997/2214-4609-pdb.38.f074.

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Tyapkin, Y. K., N. Y. Marmalyevskyy y Z. V. Gornyak. "Source-generated noise removal using the singular value decomposition". En Geophysics of the 21st Century - The Leap into the Future. European Association of Geoscientists & Engineers, 2003. http://dx.doi.org/10.3997/2214-4609-pdb.38.f075.

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Geykhman, A. M. "Inverse scattering series at the instrument for surface related multiple elimination, technological aspect". En Geophysics of the 21st Century - The Leap into the Future. European Association of Geoscientists & Engineers, 2003. http://dx.doi.org/10.3997/2214-4609-pdb.38.f076.

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Informes sobre el tema "F07A"

McInerney, Michael, Orange Marshall y Lawrence Gintert. Demonstration of dehumidification for corrosion control in earth covered magazines : final report on Project F07-ARCTC02. Engineer Research and Development Center (U.S.), noviembre de 2018. http://dx.doi.org/10.21079/11681/29971.

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McInerney, Michael K. y John M. Carlyle. : Demonstration of Acoustic Sensing Techniques for Fuel-Distribution System Condition Monitoring : Final Report on Project F07-AR07. Engineer Research and Developmenter Center (U.S.), enero de 2021. http://dx.doi.org/10.21079/11681/39560.

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Resumen

Leaks in fuel storage tanks and distribution piping systems have been identified as a mission-critical problem by the Department of Defense and the U.S. Army. Fuel system leaks are often hard to locate and virtually inaccessible for efficient repair because the piping is often installed under a concrete pad or tarmac. Leak repair could cost up to $2,000, and the cost of cleanup and re-mediation for fuel spills can exceed $50,000. In this project an acoustic remote sensing system was installed to monitor an Army heliport refueling system to determine whether it could detect and accurately locate fuel leaks using computer software technolo-gies to distinguish acoustic leakage signatures from normal fuel system operational noise. Demonstration and validation efforts were disadvantaged by the fact that no fuel leaks occurred in the monitored system for the duration of the project. However, the monitoring system did identify several unusual acoustic events within the fueling system and interpret them as indications of intermittent malfunctions of a check valve and a fuel pump. The 30-year ROI is about 6.42. Further work is required before the technology can be fully implemented: its ability to detect fluid leaks must be proven, and the system specifications must be certified through an EPA third party.

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Stephenson, Larry, Alfred Beitelman, Richard Lampo, Ashok Kumar, Douglas Neale, Lawrence Clark, Karl Palutke, Michael Surratt y David Butler. Demonstration of thermally sprayed metal and polymer coatings for steel structures at Fort Bragg, NC : final report on Project F07-AR10. Construction Engineering Research Laboratory (U.S.), septiembre de 2017. http://dx.doi.org/10.21079/11681/24293.

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Sweeney, Steven, L. D. Stephenson, Ralph Eichlin y Robert Weber. Demonstration and validation of stainless steel materials for critical above-grade piping in highly corrosive locations : final report on Project F07-AR15. Construction Engineering Research Laboratory (U.S.), mayo de 2017. http://dx.doi.org/10.21079/11681/22548.

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Marshall, Orange, Sean Morefield, Brendan Danielson, Steven Mori y Eric Brockmire. Demonstration of an in situ pipe-lining technology for a fire suppression deluge system at Fort Drum, NY : final report on Project F07-AR17. Construction Engineering Research Laboratory (U.S.), mayo de 2018. http://dx.doi.org/10.21079/11681/27151.

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