temperature and confining pressure the composition of the rock and the length of time stress is maintained
Hydrogen peroxide as a potential biomarker of oxidative stress is there a reliable assay
... USE OF BIOMARKERS IN OXIDATIVE STRESS MEASUREMENT The localization and effects of oxidative stress, as well as information regarding the nature of the ROS, may be gleaned from the analysis of discrete ... macrophages is a vital component of host organism defense; the phagocytic isoform of NADPH oxidase produces O2•- and other ROS that play essential roles in killing many types of bacteria and other invaders ... determined by the balance between their rates of production and their rates of removal by the antioxidant defence system which was briefly discussed earlier Oxidative stress occurs when there is a serious...
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Tài liệu Báo cáo Y học: Importance of the amino-acid composition of the shutter region of plasminogen activator inhibitor-1 for its transitions to latent and substrate forms pdf
... in 87% of the cases; and residue 334 a His in 80% of the cases [3] In addition, residue 54 is a Pro in 89% of the cases The importance of the identity of the residues present in these and adjacent ... transition of PAI-1 wild-type, and the use of this pH therefore allowed optimization of the difference in the effect of vitronectin on wild-type and the unstable variants The presence of vitronectin ... likely explanation is that passage of the RCL through the gate region is rapid and reversible, and that it is the b sheet A opening and the final insertion of RCL as b strand 4A that is rate limiting...
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Báo cáo khoa học: Temperature and salts effects on the peptidase activities of the recombinant metallooligopeptidases neurolysin and thimet oligopeptidase pdf
... sum of the velocities of formation of the products (Pa and Pb) V a is kpa · [E] and V b is kpb · [E], and [E] is max max the total enzyme concentration in the assay All the obtained data with the ... salts on the kcat/Km of the hydrolysis of Qf by TOP (A) and neurolysin (B) In the relation (k/k0), k0 is the kcat/Km value obtained in 50 mM Tris, pH 7.4 in the absence of any salt and k is the kcat/Km ... parameters of hydrolysis and the variations of the cleavage sites of this series of peptides by these two oligopeptidases were evaluated in different conditions of temperature and salts MATERIALS AND...
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Báo cáo khoa học: The influence of temperature and osmolyte on the catalytic cycle of cytochrome c oxidase ppt
... hydrostatic pressure, osmotic pressure and probably other factors Nonetheless, catalytic activity is still one of the few characteristics that reflect the actual role of the oxidase in the tissues What is ... 443 nm and that which disappears at 416 nm The spectra of Figs and are compared in Fig where the emphasis is on the changes occurring at 443 nm and 605 nm The progression to and out of the steady ... mixed with the same syringe and the CO flashed off The temperature of the cuvette wall was monitored before and after flashing The samples were monitored at a wavelength of 442 nm and the data stocked...
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báo cáo hóa học:" Research Article Global Estimates for Singular Integrals of the Composition of the Maximal Operator and the Green’s Operator" doc
... have completed the proof of Theorem 3.1 Using the proof method for Theorem 3.1 and Lemma 2.8, we get the following theorem 1, 2, , n, be a smooth differential form satisfying the ATheorem 3.2 ... e the composition of the maximal operator and the Green’s operator over the δ-John domain Definitions and Lemmas We first introduce the following definition and lemmas that will be used in this ... 1/s dx 2.16 Journal of Inequalities and Applications for all balls B with ρB ⊂ Ω and any real number α and λ with α > λ ≥ and γ where xB is the center of the ball and ρ > is a constant 1/s −...
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Báo cáo lâm nghiệp: "Composition of psocid taxocenoses (Insecta: Psocoptera) in Fageti-Piceeta s. lat. and Piceeta s. lat. forests in the Western Carpathian Mts" pps
... under In the DCA-analysis, habitats of the 8th AVZ lie along the x-axis on the left side This dotted field is not situated along the x-axis in the same way as the field of the 7th AVZ because the ... left side of the whole dotted field (along x-axis) It forms the highest AVZ together with fields of the 8th and 9th AVZ Only single habitats of the 7th AVZ occur in the field of the 4th and 5th ... 8th AVZ in the graph of x-q axis (Fig 1) and thus it is possible to state that biotopes of the 8th AVZ are more “moist” A field of habitats of the 7th AVZ is situated along the x-axis, i.e along...
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Báo cáo lâm nghiệp: "Effects of the clear-cutting of a Douglas-fir plantation (Pseudotsuga menziesii F.) on the chemical composition of soil solutions and on the leaching of DOC and ions in drainage waters" pps
... mineralization of organic matter and mineral weathering, as the role of vegetation should be limited in this phase, in the present mountainous site Their residence time is long and their concentration is ... high in the previous plantation in spite of the acidity of the soil [31] The hypothesis was that previous agricultural occupation of the land could explain this behaviour in reference to the work ... felling The only mechanism that could explain the observations was the relationship between the vegetation and micro-organisms The hypothesis is that Douglas-fir stimulated the activity of nitrifyers,...
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Báo cáo lâm nghiệp: " Biomass and composition of understory vegetation and the forest floor carbon stock across Siberian larch and mountain birch chronosequences in Iceland" docx
... properties and biodiversity of ground vegetation and animal life [33] The effect of afforestation on the abundance and composition of the ground vegetation has not been studied extensively in Iceland There ... except age, and this problem usually increases with the size of the study area and the time that the chronosequence is expected to capture In the present study, two native birch and six managed ... age-class of forest or pasture All the stands were growing on the same soil type, andosol [4] The larch stands and the younger birch stand were grazed heathland pastures prior to afforestation The...
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Báo cáo lâm nghiệp: "Chemical composition of the periderm in relation to in situ water absorption rates of oak, beech and spruce fine roots" doc
... (mean depth of the entire organic profile, i.e Of+ Oh horizons, is 72 mm) The organic profile is highly acidic with pH values of 3.0 and 2.6 (in KCl) and Ca2+/H+ quotients of 0.2 in the equilibrium ... applies the heat balance equation to small-diameter roots [37] The dissipation of heat in distal and radial direction along the root is monitored at time intervals of 15 s with two sets of thermocouples ... the outer part of the root rather than the stele and endodermis which, for geometric and other reasons, may represent the bottle neck (ii) In dry soil, the hydraulic conductivity of the rootsoil...
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Báo cáo toán học: "The effect of temperature and water stress on laboratory germination of Eucalyptus globulus Labill. seeds of different sizes" pot
... setting up some of the trials, and their helpful comments on the development of the research REFERENCES [1] Bachelard E.P., Effects of soil moisture stress on the growth of seedlings of three eucalypt ... observed The GEI effectively integrates the area under the germination curve and takes it as a proportion of the area as defined by the product of the time to maximum germination and the germination ... account the average slope of what is normally the steepest part of the cumulative germination curve, is reasonably robust in this regard, facilitating the identification of an optimum temperature...
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Báo cáo lâm nghiệp: "The influence of acid mist upon transpiration, shoot water potential and pressure—volume curves of red spruce seedlings" pot
... revealing a mild but significant water stress Water stress occurs when the rate of water loss exceeds the rate of uptake It was clear that the rates of day and night transpiration did not differ ... P.J (1973) Current theories on the mode of action of auxin Bot Rev 39, 139-171 on Hellkvist J., Richards G.P & Jarvis P.G (1974) Vertical gradients of water potential and tissue water relations ... is suggested that uptake and/ or supply of water may be impaired in the roots or acid-treated seedlings Pressure- volume analysis revealed significant effects of the acid mist Maximum turgor (’Fp,...
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Báo cáo khoa học: " Electrolyte Composition of Mink (Mustela vison) Erythrocytes and Active Cation Transporters of the Cell Membrane" ppt
... efflux of K+ during the washing procedure the intracellular concentration of this cation seems somewhat higher than the extracellular one On the other hand, the intracellular concentration of K+ ... concentrations may differ somewhat though the same procedure was used each time The plasma concentrations of Na+, K+, and Mg2+ in all mink of the present study and of Cl- and Ca2+ in adolescent mink (Table ... (Mustela vison), were never characterized with respect to electrolyte composition In this study the ionic type of red blood cells of the domestic mink is characterized, and moreover, the plasma...
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Báo cáo khoa học: " Is there a special mechanism behind the changes in somatic cell and polymorphonuclear leukocyte counts, and composition of milk after a single prolonged milking interval in cows" pptx
... synthesis of lactose after the PMI is a decreased content of α-lactalbumin It is well known that this protein is a coenzyme in the synthesis of lactose α-lactalbumin constitutes almost 20% of the ... Swedish dairy herd regarding lactation stage and age distribution among the cows All cows were free from clinical signs of mastitis and other health disturbances before the start of the study and ... of the two subsequent milking intervals the increase of the output rate of PMN was huge compared to the baseline value (p < 0.001) for DMI and NMI, respectively Thereafter, until the end of the...
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Báo cáo y học: " Human Immunodeficiency Virus Type 1 Nef protein modulates the lipid composition of virions and host cell membrane microdomains" pot
... only the protein but also the overall lipid composition of host cell membranes to optimize virus replication To test this hypothesis, we compared in this study the impact of Nef on the lipidome of ... composition In line with the results on DRM incorporation of HIV-1 Gag, the presence or absence of Nef had no global effect on the lipid composition of HIV-1 particles However, the analysis of ... Together these results demonstrate that Nef is not a key determinant for the overall lipid composition of HIV-1 particles but enhances the incorporation of SM and triggers the exclusion of polyunsaturated...
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Nhp6p and med3p regulate gene expression by controlling the local subunit composition of RNA polymerase II
... resistance 1.2 Aim of the study Our research is focused on the isolation and identification of new interacting partners of the non-histone chromosomal protein Nhp6p The purpose of this study is ... component of euchromatin and heterochromatin in the interphase nucleus and in the mitotic chromosomes The second level of organization is the coiling of the series of 18 Chapter Survey of Literature ... followed by the recruitment of the SAGA complex, which acetylates the histone and facilitate transcription However, this mechanism is far from being general and the mechanism for other ATP-dependent...
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Effects of the composition of suspended particles in water on the photosynthetically usable radiation and remote sensing reflectance
... of the socket to rotate is then resisted by the soft tissue at the stump because of the intimate fit of the stump in the socket The counter forces developed by the compression of the soft tissue ... 1-3, the last stage of the alignment process, dynamic alignment is carried out so as to customise the prosthesis to the unique patient The amputee walks with the prosthesis while the prosthetist ... prosthesis on any one plane This is because of the ―screw- home mechanism‖ of the knee-joint during the stance phase as the knee flexes and extends The ―screw-home mechanism‖ is defined as the...
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Improving the protein content and composition of cereal grain
... effects In the case of rice, the lysine content of the grain prolamins was increased by 43% and of the whole grain by 0.9% 4.2 Decreasing zein synthesis The decrease in zein synthesis which occurs ... determined by the starchy endosperms which typically comprise about 80% of the grain dry weight The starchy endosperm is the major storage tissue of the grain, storing starch and proteins The latter ... higher proportions of EAAs in the whole grain of non-starchy endosperm tissues, but this will not affect the composition of polished grain or white flour The nutritional quality of the grain also...
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Summary of Phd thesis Pecies composition of gobiidae and eleotridae and biological aspects of some commercial species distributed in the coastal areas of Ben Tre province
... spawning season and length at first mature (Lm) 1.4 The significance of the thesis The results update the basic knowledge about the species composition of Gobiidae and Eleotridae distributed in ... salinity areas 4.2.5 The variation of fish composition between fishing gears The fish composition varied with fishing gears due to different feeding habit of fishes, and most of fishes (29/35 species) ... Phu district However, the yield of this fish was low since the fry or juvenile were collected from the wild in the Mekong Delta Therefore, there is a need to study on the reproductive biology of...
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DSpace at VNU: Transport properties of the two-dimensional electron gas in wide AlP quantum wells including temperature and correlation effects
... represents the correlation length parameter of the roughness in the plane of the 2DEG and mz is the effective mass perpendicular to the xy-plane For remote charged impurity scattering (CIS) the random ... QW of width L ¼60 Å for IRS and CIS in different G(q) models In the case of IRS, only small effects due to the LFC GH are seen In the case of CIS, Ni is canceled out in the ratio τt/τs and the ... potential has the form UCIS (q) ⎛ 2πe2 ⎞2 ⎟ FCIS (q, zi )2 = Ni ⎜ ⎝ ∈L q ⎠ (11) where Ni is 2D impurity density, zi is the distance between remote impurities and 2DEG, and FCIS (q , zi ) is the form...
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Emergent Complexity, Teleology, and the Arrow of Time
... than the work done by the piston on the gas during the instroke The overall effect is a net transfer of energy from the piston to the gas, and the temperature, hence the entropy, of the gas rises ... keeping pace and lag back somewhat, thus reducing the density and pressure of the gas adjacent to the piston The upshot is that the work done by the gas on the piston during the outstroke is somewhat ... at the basis of the Second Law of Thermodynamics, just as it lies at the basis of Darwin’s theory of evolution Since chance – or contingency, as philosophers call it – is the opposite of law and...
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Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn đặc tuyến hiệu suất h fi p2 đặc tuyến tốc độ rôto n fi p2 động cơ điện không đồng bộ một pha sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng 9 tr 25