Molecular structure

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  • Tham khảo sách 'viral genomes – molecular structure, diversity, gene expression mechanisms and host-virus interactions edited by maria laura garcia and víctor romanowski', y tế - sức khoẻ, y học thường thức phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • (BQ) Part 1 book "Advanced organic chemistry (Part A: Structure and mechanisms)" has contents: Chemical bonding and molecular structure; stereochemistry, conformation, and stereoselectivity; structural effects on stability and reactivity; nucleophilic substitution; polar addition and elimination reactions.

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Cupin: A candidate molecular structure for the Nep1-like protein family

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  • Photosystem II (PSII), an essential component of oxygenic photosynthesis, is a membrane-bound pigment protein complex found in green plants and cyanobacteria. Whereas the molecular structure of cyanobacterial PSII has been resolved with at least medium resolution [Zouni, A., Witt, H.-T., Kern, J., Fromme, P., Krauss, N., Saenger, W. & Orth, P. (2001)Nature (London)409, 739–743; Kamiya, N. &Shen, J.R. (2003)Proc. Natl Acad. Sci. USA100, 98–103], the structure of higher plant PSII is only known at low resolution. ...

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  • Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp quốc tế đề tài:"Molecular structure and biochemical properties of lignins in relation to possible self-organization of lignin networks...

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  • The seven serotypes ofClostridium botulinumneurotoxins (A–G) are the deadliest poison known to humans. They share significant sequence homo-logy and hence possess similar structure–function relationships. Botulinum neurotoxins (BoNT) act via a four-step mechanism, viz.,

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  • The trypsin-like serine protease hepatocyte growth factor activator (HGFA) undergoes proteolytic activation during blood coagulation, result-ing in a 34 kDa ‘short form’, consisting mainly of the protease domain. The crystal structures of the recombinantly expressed HGFA ‘short form’ discussed herein have provided molecular insights into its interaction with inhibitors and substrates, as well as the regulation of catalytic activity.

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  • The solutionmolecular andelectronic structuresof theactive site in the extremelyO2-avidhemoglobin fromthe trematode Paramphistomum epiclitumhave been investigated by 1 H NMR on the cyanomet form in order to elucidate the distal hydrogen-bonding to a ligated H-bond acceptor ligand. Comparison of the strengths of dipolar interactions in solution with the alternate crystal structures of methemo-globin establish that the solution structure of wild-type Hb more closely resembles the crystal structure of the recom-binant wild-type than the true wild-type met-hemoglobin....

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  • Hemocyanins are large oligomeric copper-containing pro-teins that serve for the transport of oxygen in many arth-ropod species. While studied in detail in the Chelicerata and Crustacea, hemocyanins had long been considered unnec-essary in the Myriapoda. Here we report the complete molecular structure of the hemocyanin from the common house centipedeScutigera coleoptrata(Myriapoda: Chilo-poda), as deduced from 2D-gel electrophoresis, MALDI-TOF mass spectrometry, protein and cDNA sequencing, and homology modeling....

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  • (BQ) Part 2 book "Advanced organic chemistry (Part A: Structure and mechanisms)" has contents: Carbanions and other carbon nucleophiles, addition; condensation and substitution reactions of carbonyl compounds; aromaticity; aromatic substitution; concerted pericyclic reactions; free radical reactions; photochemistry.

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  • (BQ) Part 1 book "Atkins’ physical chemistry" has contents: The properties of gases, the first law, the second law, physical transformations of pure substances, simple mixtures, phase diagrams, chemical equilibrium, atomic structure and atomic spectra, molecular structure,...and other contents.

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  • (BQ) Part 1 book "Organic chemistry" has contents: The basics bonding and molecular structure; families of carbon compounds functional groups, intermolecular forces, and infrared (ir) spectroscopy; an introduction to organic reactions and their mechanisms acids and bases; an introduction to organic reactions and their mechanisms acids and bases,... and other contents.

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  • Introduction to molecular biology…(…in one hour!!) Stephen Edwards Overview. Overview of the cell Different sizes/functions Organised structure Bacterial genetics are different Eukaryotic cell DNA ontained in the nucleus Arranged in 22.

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  • Flow cytometry is a technology that simultaneously measures and analyses multiple physical characteristics of single particles, usually cells, as they flow in a fluid stream through a beam of light. The properties measured include a particle’s relative size (represented by forward angle light scatter), relative granularity or internal complexity (represented by right-angle scatter), and relative fluorescence intensity.

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  • Cordyceps gunnii (berk.) Berk (C. Gunnii) is well known as a Chinese rare caterpillar fungus and has similar pharmacological activity with C. sinensis. In this work, a high-molecular-weight polysaccharide (CPS) was isolated and purified from the mycelia of C. gunnii. The total sugar content of CPS was amounted to 92.84%. The result of HPLC indicated that CPS was a homogeneous polysaccharide. The estimated average molecular weight of CPS was 3.72 ×106 Da. The specific rotation of CPS was recorded [˛]25 D = +134.2◦.

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  • Single crystal X-ray crystallography is the most common and easily accessible way to determine the molecular structure of any crystalline material. This method provides two kinds of information which are needed for understanding both single molecule properties and bulk material properties: 1. Molecular Structure - Single Molecules: Unambiguous and three-dimensional information about the structure of the molecular entities.

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  • Encounters with Epithelial Cells Over the past decade, many bacterial pathogens have been shown to enter epithelial cells (Fig. 114-2); the bacteria often use specialized surface structures that bind to receptors, with consequent internalization. However, the exact role and the importance of this process in infection and disease are not well defined for most of these pathogens. Bacterial entry into host epithelial cells is seen as a means for dissemination to adjacent or deeper tissues or as a route to sanctuary to avoid ingestion and killing by professional phagocytes.

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  • Soon after the first sequences of proteins and nucleic acids became available for comparative analysis, it became apparent that they can play a key role for reconstructing the evolution of life. The availability of the sequence of several proteins prompted the birth of the field of molecular evolution, which aims at both the reconstruction of the biochemical history of life and the understanding of the mechanisms of evolution at the molecular level through the analysis of the macromolecules of existing organisms.

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  • (BQ) Ebook Biochemistry, cell and molecular biology test consists of approximately 180 multiple-choice questions, a number of which are grouped in sets toward the end of the test and based on descriptions of laboratory situations, diagrams, or experimental results.

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  • Chapter 2 - Structure and properties of organic molecules. To understand these aspects of molecular structure we need to consider how the atomic orbitals on an atom mix to form hybrid atomic orbitals and how orbitals on different atoms combine to form molecular orbitals. In this chapter, we look more closely at how combinations of orbitals account for the shapes and properties we observe in organic molecules.

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