morphology and physiology of viruses
Morphology and physiology of viruses
... DNA; single-stranded or doublestranded; strategy of replication (2) Size and morphology, including type of symmetry, number of capsomeres, and presence of membranes (3) Presence of specific enzymes, ... hepatitis) and type B (serum hepatitis), yellow fever, and, in the neonate, enteroviruses, herpesviruses, and rubella virus Diseases of the salivary glands – Mumps and cytomegalovirus Diseases of the ... most probably of cellular origin and characterized by a long co-evolution of virus and host For propagation viruses depend on specialized host cells supplying the complex metabolic and biosynthetic...
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Viruses STRUCTURE, CLASSIFICATION AND PHYSIOLOGY OF VIRUSES
... things (herpes and HIV in humans, for example) Viruses are found everywhere Viruses consist of a core of nucleic acid, either DNA or RNA, and a protective coat of protein molecules and sometimes ... Viruses The Boundary of Life At the boundary of life, between the macromolecules (which are not alive) and the prokaryotic cells (which are), lie the viruses and bacteriophages ... and sometimes lipids In isolation, viruses and bacteriophages show none of the expected signs of life They not respond to stimuli, they not grow, they not any of the things we normally associate...
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Temperature dependence of morphology and diameter of silicon nanowires synthesized by laser ablation
... temperature dependence of the morphology of SiNWs synthesized by laser ablation In this Letter, we present the results on this project Our results show that the morphology and diameter of SiNWs synthesized ... mechanism of the silicon nanoparticle chains They proposed that nucleation and growth occurring alternatively resulted in the formation of chains of silicon nanoparticles The formation of the kinks of ... rate of crystal silicon, outer layer of silicon oxide will surround the crystal silicon As a result, the growth of crystal silicon ceased and silicon oxide of outer layer coalesced together and...
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Báo cáo hóa học: " Morphology and Microstructure of As-Synthesized Anodic TiO2 Nanotube Arrays" potx
... http://www.nanoscalereslett.com/content/6/1/64 Page of checked by means of X-ray diffraction (XRD, MAC M18XHF) Results and Discussion Morphology The anodic conditions and morphology parameters of the nanotubes, prepared ... (contrasted with those of samples and 3) Figure 1f shows the SEM bottom and bottom side (inset) views of sample The tube bottom exhibits the hexagon-like cell morphology Que Anh S Nguyen and co-workers ... by Table The anodic conditions and morphology parameters of the nanotubes prepared in the electrolytes containing 0.175 M NH4F and different volume ratios of water and glycerol Samples Electrolytes...
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Báo cáo hóa học: " Morphology and Photoluminescence of HfO2 Obtained by Microwave-Hydrothermal" pot
... showed an Egap value of 3.31 eV, which was ascribed to the presence of intermediary energy levels between the valence band and conduction bands (deep and shallow holes) within the band gap The PL behavior ... states (near the valence band) and hafnium 5d states (below the conduction band) [73] The PL spectrum of rice-like HfO2 nanostructures shows a broad band covering a large part of the visible spectrum ... this morphology is a kind of mesostructure formed by periodic one-dimensional channels, containing pore sizes of ca nm and channel wall diameters of ca nm Particle Size Distribution (Height and...
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Báo cáo lâm nghiệp:"Performance and physiology of large containerized and bare-root spruce seedlings in relation to scarification and competition in Québec (Canada)" pot
... consisted in removal and deposition of the organic layer and some underlying mineral soil in berms beside the trench In each of the nine blocks of RP and 10 blocks of LC, we randomly assigned the ... contained 37% sand, 47% silt, and 26% clay Both soil profiles were characterized by a mor humus layer of cm Experimental sites RP and LC were clearcut-harvested in the summers of 1996 and 1997, respectively, ... competing vegetation combination of six and seven randomly chosen blocks of RP and LC, respectively Bags were buried flat at 10-cm depth in scarified plots (top edge of trenches) or 10 cm below the...
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Báo cáo khoa học: "First observations on the root morphology and symbioses of 21 major tree species in the primary tropical rain forest of French Guyana" pps
... diversity of root morphology and their symbiotic or parasitic status in this type of rain forest We also discuss some unusual structures MATERIALS AND METHODS in the experimental plots of Paracou ... Leguminosae) and to other studies in Africa (eg, Alexander and Högberg, 1986; Fassi and Moser, 1991).The Caesalpinioideae sub-family is the dominant group of trees in the Guyanas, in diversity, density and ... general architecture of the fine roots greatly in both diameter and branch- varies ing, from 0.3 mm and a very dense mat of fine roots for D guianensis and P venosa (fig 1),to mm and a poorly branched...
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Tài liệu Báo cáo khoa học: SREBPs: physiology and pathophysiology of the SREBP family ppt
... H Shimano Physiology and pathophysiology of the SREBP family SREBP-1c and lipogenesis The SREBP family consists of three isoforms: SREBP1a, SREBP-1c, and SREBP-2 Each isoform has a different ... Triglyceride 617 Physiology and pathophysiology of the SREBP family H Shimano at G1 [19] In particular, p21 is a direct target of SREBP [20] The role of SREBP-1a in the regulation of cell growth and the ... p21, p27, and p16, and causes cell cycle arrest Feedback Glucose G6PD Glc6P Fig Regulation of glucose and lipid metabolism by SREBPs Acetyl-CoA is produced from glycolysis of glucose, and passed...
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Tài liệu Báo cáo khóa học: Mutations in the hydrophobic core and in the protein–RNA interface affect the packing and stability of icosahedral viruses doc
... emitted at wavenumber mi and the summation is carried out over the range of appreciable values of F The values of center of spectral mass of tryptophan were converted into degree of denaturation/dissociation ... fraction Fig Dissociation and denaturation of wild-type (WT) and mutant MS2 particles (A) Light scattering and spectral center of mass measurements of WT MS2 as a function of urea concentration To ... significant binding of bis-ANS to any of the particles, with the exception of T45S, which bound a small amount of bis-ANS, increasing, by twofold, the emission of the probe (Fig 7B) M88V and WT particles...
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THE BIOLOGY, PHYSIOLOGY AND SOCIOLOGY OF REPRODUCTION ALSO SEXUAL HYGIENE WITH SPECIAL REFERENCE TO THE MALE docx
... Summary of Principles 24 a The propagation of offspring and the protection and support of the young and defenseless, always involve sacrifice on the part 24 of the parents and the stronger members of ... principle of biology was first discovered and formulated by the great German Biologist, Weissmann Summary of Principles a The propagation of offspring and the protection and support of the young and ... at first appear The use of brain, muscle and glands and the consumption of the cell substances of these tissues results in the development of the nerve, muscle [34 ]and gland cells into a condition...
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Herpesviridae – A Look into This Unique Family of Viruses Edited by George D. Magel and Stephen Tyring docx
... viral gene expression of HSV-1 is considered from the point of view of the efficiency of the replication of HSV-1 Further, evolution of the temporal expression profile of the viral gene is taken ... Giansanti, Loris Leboffe and Giovanni Antonini Preface In order to fully understand the nature of viruses, it is important to look at them from both, their basic science and clinical, standpoints Our ... Nascimento and R.M.E Parkhouse Instituto Gulbenkian de Ciência Portugal Introduction Herpesviruses are a large group of successful, and widely distributed, double-stranded DNA viruses of serious...
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WHO Guidelines for Pharmacological Management of Pandemic Influenza A(H1N1) 2009 and other Influenza Viruses potx
... 6.1 Use of antivirals for treatment of pandemic influenza A (H1N1) 2009 virus infection in adults and adolescents 10 6.2 Use of antivirals for treatment of uncomplicated pandemic influenza A (H1N1) 2009 virus infection in ... modified in light of current or local knowledge of the antiviral susceptibility of circulating viruses. As of January 2010, the antiviral susceptibilities of circulating viruses are: ... Institute of Child Health Department of Medical Services, Ministry of Public Health Tel. and Fax: +662 354 8400 ctawee@health.moph.go.th Professor Chris B DEL MAR Professor of Primary Care Research ...
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Plants in Alpine Regions Cell Physiology of Adaption and Survival Strategies pptx
... (reflectivity) of the ground and amount and type of aerosols have a significant influence, and in addition the total amount of atmospheric ozone is of specific importance for the level of UVB radiation ... understand the entire organism, and not merely an isolated function This book is devoted to the presentation of a collection of articles on adaptation and survival strategies at the level of cell physiology ... understanding plant growth forms and the physiology of temperature adaptation The following Chap by C L€tz and H.K Seidlitz describes effects of anthropou genic increases in UV radiation and tropospheric...
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Morphology and growth mechanism study of self assembled silicon nanowires synthesized by thermal evaporation
... made of a Si core and a SiO2 sheath The one-dimensional growth of SiNWs is facilitated by the SiO2 sheath that con®nes the lateral growth of SiNWs, and the high absorptivity for Si±O clusters of ... study of SiNW growth history related to the morphology and growth temperature We show that the formation of SiNWs is indeed closely related to the amorphous SiO particles, and the growth and self-assembling ... [10±13] and thermal evaporation [14±17] are two methods normally used for the synthesis of SiNWs The key point in these two methods is the formation of a sucient amount of silicon atoms and/ or...
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the role of morphology and crystallographic structure of metal oxides
... basis of such materials, it is necessary to expand our understanding of gas sensor mechanism in nanoand polycrystalline oxides For example, it is necessary to establish the role of morphology and ... oxides as TiO2, Fe2O3, SnO2, and ZnO, where shallow donor states provide a rise to a high density of electrons in the conduction band 2.4 The role of morphology and porosity of metal oxides 2.4.1 Grain ... is a lack of real, detailed, and integrated research establishing a connection between structural parameters of oxides and parameters of sensor response One cannot find a large number of good works...
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Báo cáo khoa học: "A Part of Speech Estimation Method for Japanese Unknown Words using a Statistical Model of Morphology and Context" pptx
... ) and f(ci[ci-t, < W T > , ) are the relative frequencies of the character unigram and bigram for each word type and part of speech, f(ci) and f(cilci_l) are the relative frequencies of ... lookup So the topic of interest is part of speech estimation Some statistical model to estimate the part of speech of unknown words from the case of the first letter and the prefix and suffix is proposed ... a sequence of kanjis followed by hiraganas Figure shows the word length distribution of and t h a t of hiraganas followed by kanjis, respecwords consists of only kanji characters and words tively...
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Báo cáo khoa học: "Smart Paradigms and the Predictability and Complexity of Inflectional Morphology" docx
... abstract The total number of forms of Finnish nouns and verbs is a question of definition Koskenniemi (Koskenniemi, 1983) reports 2000 for nouns and 12,000 for verbs, but most of these forms result ... e ı and Bernard Lang 2004 Morphology based automatic acquisition of large-coverage lexica In Proceedings of LREC-04, Lisboa, Portugal, pages 1841–1844 [Dreyer and Eisner2011] Markus Dreyer and ... 2004, Gen` ve/Switzerland e coling [Solomonoff1964] Ray J Solomonoff 1964 A formal theory of inductive inference: Parts and Information and Control, 7:1–22 and 224–254 653 ...
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Báo cáo khoa học: "Expansion of Multi-Word Terms for Indexing and Retrieval Using Morphology and Syntax" pdf
... such as (1) deletion of stop words, (2) normalization of single words through stemming, and (3) phrase construction through dictionary matching (See (Lewis, Croft, and Bhandaru, 1989; Smeaton, ... (literally: of humidity and o f t h e speed of the air) indicate that the conjunction can be followed by an optional preposition and an optional determiner Evaluation The precision and recall of the ... University of Lille III Krovetz, Robert and W Bruce Croft 1992 Lexical ambiguity and information retrieval ACM Transactions on Information Systems, 10(2):115-141 Lewis, David D., W Bruce Croft, and...
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