normal chest x ray terminology and radiographic anatomy
Tài liệu Báo cáo khoa học: X-ray crystallographic and NMR studies of pantothenate synthetase provide insights into the mechanism of homotropic inhibition by pantoate docx
... backbone and side chain 13Ca and 13C¢ and 13Cb carbons are assigned to the extent of 97%, 93% and 93%, respectively (BMRB accession number 6940) [24] The H–15N correlation in the TROSY experiment ... form of nPS using X- ray crystallography, as described below A Solution and refinement of the structure using X- ray crystallography B The crystal structure of the pantoate–nPS complex was solved by ... density maps and facilitate further rebuilding and improvement of the molecular model, until no unexplained electron density remained, and the Rcryst and Rfree values converged at 18.9% and 24.4%,...
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Tài liệu Báo cáo khoa học: Molecular determinants of ligand specificity in family 11 carbohydrate binding modules – an NMR, X-ray crystallography and computational chemistry approach doc
... when the complex is formed The ligands cellobiose, cellotetraose and cellohexaose were studied Results and Discussion The crystal structure of CtCBM11, the binding cleft and its ligand specificity ... in the X- ray structures of CBM4 and CBM17 complexed with cellopentaose and cellohexaose, respectively [13,23] The involvement of the tyrosine residues in the stabilization of the complex cannot ... two six-stranded anti-parallel b-sheets that form a convex side (b-strands 1, 3, 4, 6, and 12) and a concave side (b-strands 2, 5, 7, 8, 10 and 11) The concave side is decorated by the side chains...
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Báo cáo khoa học: The effect of replacing the axial methionine ligand with a lysine residue in cytochrome c-550 from Paracoccus versutus assessed by X-ray crystallography and unfolding ppt
... structure and unfolding upon replacing the axial Met ligand with a Lys in the M100K variant of cyt c-550 from P versutus We describe three X- ray structures, one of the ferric wild type (wt) and two ... substituents are extremely sensitive to the chemical nature of the axial ligands to the hemeiron [41] Upon replacing the native Met ligand with either an exogenous or protein-based ligand a change ... weeks and repeated dissolving of the crystalline networks a single dark red crystal suitable for X- ray diffraction was obtained grown from 0.1 m bicine pH 9.0 and 3.2 m ammonium sulfate X- ray diffraction...
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Báo cáo Y học: Determinants of the inhibition of a Taiwan habu venom metalloproteinase by its endogenous inhibitors revealed by X-ray crystallography and synthetic inhibitor analogues pdf
... superfamily of metzincin which exhibits some typical structural features, such as the Met-turn and active-site consensus HExxHxxGxxH sequence [15–17] Some organisms and mammalian tissues recently ... Huber, R & Bode, W (1995) X- ray structures of human neutrophil collagenase complexed with peptide hydroxamate and peptide thiol inhibitors Implications for substrate binding and rational drug design ... off by a solvent mixture of trifluoroacetic acid and ethanedithiol, and solvent was evaporated to dryness The resins were then washed with cold ether and the peptides were extracted with 5% acetic...
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Báo cáo Y học: Boar salivary lipocalin Three-dimensional X-ray structure and androstenol/androstenone docking simulations pot
... Docking experiment with androstenol and androstenone The previously identified natural ligands androstenol and androstenone have been built with the program ACD/CHEMSKETCH [18] The parameter and topology ... Stereoview of SAL X- ray structure in ribbon representation The helix is in red, strands are blue and turns or coil are yellow The GlcNAc residue bound to Asn53 is in white ball -and- stick, and the serendipitous ... the model of the complex of androstenol bound in SAL, with in (A) and (C) the ligand in position ÔinÕ, with the OH pointing inside the cavity and, in (B) and (D) the ligand in position ÔoutÕ,...
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Báo cáo khoa học: X-ray crystallography and structural stability of digestive lysozyme from cow stomach doc
... residues Glu35 and Asp52 (numbering for HEWL), for BSL2 and other lysozymes, with propka 2.0 [16] The predicted pKa values were 6.15 and 4.27 for BSL2, 5.93 and 4.20 for HEWL, and 4.89 and 3.84 for ... acetate (for pH and 5) and sodium phosphate (for pH and 7) buffer The ionic strength of each buffer was adjusted to 0.1 [40] Lysozyme solution and M lysodeikticus suspension were mixed, and the decrease ... slowly could exist in rigid and unexposed regions FEBS Journal 276 (2009) 2192–2200 ª 2009 The Authors Journal compilation ª 2009 FEBS W34 Normalized intensity W64 A W108 Structure and stability...
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Báo cáo khoa học: Structural flexibility in Trypanosoma brucei enolase revealed by X-ray crystallography and molecular dynamics pdf
... LiOH provided the expected products PAH and FPAH as lithium salts in 28% and 15% overall yield, respectively X- ray crystallography Recombinant T brucei enolase was expressed and purified as previously ... 20 mm of ligand (PEP, PAH or FPAH) for and flash-cooled X- ray diffraction data were collected from two native crystals (referred to as sulfate_2 and sulfate_3 in Table 1) and four ligand-cocrystallised ... sulfate_2, PEP and PAH_1 structures is shown in Fig Unexpected variability in inhibitor complex structures Comparison of the substrate and inhibitor complexes shows that the His156-out and His156-in...
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Báo cáo khoa học: X-ray crystallographic and enzymatic analyses of shikimate dehydrogenase from Staphylococcus epidermidis pot
... central six-strand mixed b sheet (b2, b1, b3, b5, b6 and b4; b5 is antiparallel to the others) flanked by three a-helices (a1, a9 and a8) on the inner side and by two a-helices (a2 and a3) and two ... 1P74, 1WXD, 2EGG, 2HK7, 2HK8 and 2NLO), (b) binary complex bound with either cofactor (1NPD, 1NVT, 1NYT, 1O9B, 1P77, 1VI2 and 2CY0) or substrate (2D5C, 2GPT and 2O7Q) and (c) inactive (2HK9_A and ... amides of Asn58 and Asn85 The C4-hydroxyl group of shikimate interacts with the carboxylate group of Asp100 and with the side-chain amides of Asn85 and Lys64 The C3-hydroxyl group forms extensive hydrogen...
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Báo cáo lâm nghiệp: "Relationships between the intra-ring wood density assessed by X-ray densitometry and optical anatomical measurements in conifers. Consequences for the cell wall apparent density determination" pps
... cell and lumen models Let X = · x = width of the double cell wall: s = R · T – [(R – X) · (T – X) ], s = X · (T + R) – X2 , s / S = cell wall proportion If drx = the wood density measured by x ray: ... apparent density of the cell wall = drx / cell wall proportion = drx · S/s = drx · R · T / [X · (T + R) – X2 ] = drx · R · T / [X · (T + R – X) ] 2.3.2 Hexagonal model ST = area of measurement ... H2 And again, if drx = the wood density measured by x ray: apparent density of the cell wall = drx / cell wall proportion = drx · S/s = drx · H2 / (H2 – H’2) The use of rectangular and hexagonal...
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Báo cáo khoa học: "Predicting oak wood properties using X-ray inspection: representation, homogenisation and localisation. Part I: Digital X-ray imaging and representation by finite elements" ppsx
... microfocus X- ray source incident X- ray beam thin sample residual X- ray beam scintillator visible light prism cooled CCD detector lead shield Figure Schematic diagram and overview of an X- ray device ... residual X- ray beam is converted into visible light The detection is performed by a cooled CCD camera X- ray imaging and representation by finite elements 771 intensity of the incident X- ray beam ... 1% of the incident Xray beam intensity The quality of the image (contrast between lumen and cell wall) involves a great number of X- photons to be detected The experimental X- ray conditions are:...
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Báo cáo y học: "Extravascular lung water index measurement in critically ill children does not correlate with a chest x-ray score of pulmonary edema" docx
... milliliters and indexed to body surface area (ml/m2) Extravascular lung water is also expressed in milliliters and indexed to body weight (ml/kg) Chest x- ray The chest x- rays were obtained in ... Figure shows four examples of the two lowest and the two highest chest x- ray scores and concomitant collected variables Figure shows the scatterplot of the chest x- ray score and EVLWI There was ... weight and age and the actual x- ray was taken during maximal inspiration The chest x- rays were analyzed on a dedicated digital radiology workstation with which, among others, brightness and contrast...
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Báo cáo sinh học: "Developmental time at which spontaneous, X-ray-induced and EMS-induced recessive lethal mutations become effective in Drosophila melanogaster" potx
... lethals were extracted in the same manner as for wild lethals For the phase determination experiment, 30 2nd chromosomes and 30 3rd chromosome X- ray induced lethals and 20 2nd chromosome and 30 3rd ... On the other hand, other differences between X- ray- induced, EMS-induced and natural lethal mutations evidently exist As can be seen from table III, a very high proportion of X- ray- induced lethal ... I) were randomly distributed among the types of lethals The x2 values were highly significant between natural and both types of induced lethals, but not significant between X- ray- induced and EMS-induced...
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X quang ngực – Đánh giá cơ bản (Chest X-Ray - Basic Interpretation)Hình ảnh bình thường và các biến thể
... đỏ) Thực thấy vùng tiếp x c khí phổi cấu trúc mô mềm vùng bụng Vòm hoành trái thấy điểm tiếp x c với bờ tim (mũi tên xanh) Ở vùng tiếp x c, ranh giới tim vòm hoành trái bị x a mờ tim có đậm độ với ... sau x ơng sườn thứ bên trái Ta ghi nhận tư nghiêng khối u vùng sau x ơng ức Xem tiếp hình ảnh chụp PET-CT Kết chụp PET-CT cho thấy khối u (mũi tên) phát triển di đến x ơng gan Chẩn đoán x c định ... Võ Thành Luân 2013 Các biểu bàn luận chi tiết viết khác Chest X- ray – Lung disease” Đông đặc phổi – Consolidation X p phổi – Atelectasis X quang ngực – Võ Thành Luân 2013 • Nodule – Masses Đối...
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Báo cáo y học: "Application of Small Angle X-ray Scattering (SAXS) for Differentiation between Normal and Cancerous Breast Tissue"
... lobular carcinoma and in-situ ductal carcinoma studied in this work is referred to as glandular tissue Therefore, it is expected different peak positions will exist for carcinoma and fibrocystic ... (second edition) Philadelphia: Lippincott Williams and Wilkins 1999 Kidane G, Speller RD, Royle GJ, Hanby AM X- ray scatter signatures for normal and neoplastic breast tissues Phys Med Biol 1999; ... CRM, Hufton AP and Dance DR Breast cancer diagnosis using scattered X- rays J Synchrotron Rad 2000; 7: 348-352 Malden CH, Speller RD, et al A CdZnTe array for the detection of explosives in baggage...
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Tài liệu Characterization of the Polymorphic Behavior of an Organic Compound Using a Dynamic Thermal and X-ray Powder Diffraction Technique pptx
... scanning calorimetry (DSC); X- ray powder diffraction (XRPD); combined, simultaneous, and dynamic differential scanning calorimetry /X- ray powder diffraction (DSC/XRPD); and high performance liquid ... of Mixtures of Polymorphs and Potential New Solids Forms By using the combined and dynamic DSC/ XRPD, several mixtures of disodium salt samples were identified, and the components of these mixtures ... mixture of hydrated Forms I and IV (sample 8) Figure 31 DSC of mixture of Form III monohydrate and Form IV hydrate (sample 56) Figure 32 Superimposed XRPD of mixture of Form III monohydrate and...
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Tài liệu Báo cáo khoa học: Destabilization of psychrotrophic RNase HI in a localized fashion as revealed by mutational and X-ray crystallographic analyses pdf
... residues 29, T34 and E131 are shown The hydrogen bonds between N29 and Oc and T34 and Oc, and between N29 and Nd and E131 and Oe2, in the wild-type protein are shown as green broken lines, and the ion ... the protein, and a and b represent the a helix and b strand, respectively The side-chains of the mutated and parent amino acid residues at the six mutation sites are shown D39 ⁄ G39 and M76 ⁄ V76 ... 6·-RNase HI and wild-type proteins (full line) and between molecules C and D (broken line) a Helices and b strands are indicated by bars helices, and around Gly128 in a loop between the aV helix and...
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Tài liệu Báo cáo Y học: The solution structure and activation of visual arrestin studied by small-angle X-ray scattering pot
... a model and the experimental data: N X IðSj Þ À Iexp ðSj Þ 2 v2 ¼ ð8Þ N À j¼1 rðSj Þ where for each momentum transfer value, Sj, I(Sj) is the theoretical scattering, Iexp(Sj) is the experimentally ... solution X- ray scattering These pieces were modelled into the AA and BD dimers as extended polypeptide [26], and produced an improvement in the fit of the AA model at S values between 0.15 and 0.2 ... Kd and k were varied to fit the experimental data ð5Þ ð6Þ nm)1 With a 3-m sample–detector distance, useful data began at an S value of 0.04 nm)1 and the linear Guinier region extended to approximately...
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Báo cáo khoa học: Determination of thioxylo-oligosaccharide binding to family 11 xylanases using electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry and X-ray crystallography pot
... decreased in the series b-d-xylohexaose (Xyl6) > b-d-xylopentaose (Xyl5) > b-d-xylotetraose (Xyl4) > b-d-xylotriose (Xyl3), with no detectable afnity for b-d-xylobiose (Xyl2), which is consistent ... (Da)a TRX I (none) None S-Xyl2-Me S-Xyl3-Me S-Xyl4-Me S-Xyl5-Me None S-Xyl2-Me S-Xyl3-Me S-Xyl4-Me S-Xyl5-Me None S-Xyl2-Me S-Xyl3-Me S-Xyl4-Me S-Xyl5-Me 19046.920 n.b 19508.080 19656.081 19804.091 ... FEBS J Janis et al ă Thioxylo-oligosaccharide binding to xylanases Fig MS titration curves for TRX I (5 lM), TRX II (10 lM) and CTX (10 lM) with S-Xyl5-Me, S-Xyl4-Me and S-Xyl3-Me (initial concentrations...
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