initial velocity vs substrate concentration
Tài liệu Báo cáo khoa học: Simplified yet highly accurate enzyme kinetics for cases of low substrate concentrations ppt
... conversion of a substrate to a product, the fast timescale corresponds to an initial, short phase where the concentration of the enzymesubstrate complex saturates, whereas the substrate concentration ... using Eqn (11), for various initial conditions and for three different total enzyme concentrations When the substrate concentration is much larger than the total enzyme concentration, as in Fig ... FEBS 5497 Enzyme kinetics for low substrate concentrations H M Ha ărdin et al increases rapidly Subsequently, both c and the concentration s of the injected substrate decreases very slowly in...
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Báo cáo khoa học: Optimization of D-amino acid oxidase for low substrate concentrations – towards a cancer enzyme therapy pdf
... course of these processes At very low d-Ala concentrations, the value of kobs1 is larger for m-DAAO than for wt-DAAO (Fig 3A) At higher substrate concentrations, wt-DAAO and m-DAAO show similar ... 530 s)1 for wt-DAAO The higher rate of substrate binding thus appears to be responsible for the observed higher rate of flavin reduction at low substrate concentration, as depicted in Fig 3A A ... monomolecular terms of dependence on d-Ala and O2 concentration, respectively, and Ud-ala,O2 is the bimolecular term showing the dependence for both substrates concentration An sample comparison between...
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Báo cáo khoa học: Inhibition of Drosophila melanogaster acetylcholinesterase by high concentrations of substrate potx
... enzyme concentration at time t, [E]0 the initial concentration of free enzyme and [Ec]0 the initial concentration of mono-methylcarbamoylated enzyme Results Location of residues involved in substrate ... excess substrate, we analyzed the inhibition of substrate hydrolysis by the substrate analogue (Fig 3B) As expected, the addition of substrate analogue affects activity at low substrate concentrations ... inhibition, one at substrate concentrations just above optimum and the other at very high substrate concentrations Thus, we attributed the two components of the curve to the two substrate inhibition...
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Báo cáo hóa học: " Initial susceptibility and viscosity properties of low concentration e-Fe3 N based magnetic fluid" pdf
... measured with a LDJ9500 Vibrating Sample Magnetometer (VSM) The initial susceptibility of the Fig Images of the carrier liquid (0) and different concentration magnetic fluid samples (1–6) Fig TEM images ... get the Langevin initial susceptibility The Langevin initial susceptibility of the samples was obtained and shown in Fig According to Weiss model for magnetic fluid [8], Weiss initial susceptibility ... (sample and 2) measured at 300 K 0.00 0.01 0.02 0.03 0.04 0.05 Volume concentration Fig The relationship between concentration and initial susceptibility 123 158 viO Nanoscale Res Lett (2007) 2:155–160...
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Báo cáo khoa học: Alcoholic fermentation with different initial glucose concentration using immobilized yeast in calcium alginate gel pptx
... different initial glucose concentration The influence of initial glucose concentration on metabolic activities of yeast was evaluated by the overall glucose uptake rate and final ethanol concentration ... free cells at different initial glucose concentrations (140, 170, and 220 g/L) Glucose uptake rate (g/L.h) Characteristic Final ethanol concentration (%v/v) Initial glucose concentrations (g/L) ... growth in media with different initial glucose concentration The growth of yeast in the immobilized cell cultures and free cell cultures with different initial glucose concentrations 140 g/L, 170...
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Báo cáo nghiên cứu khoa học: "INFLUENCE OF INITIAL TANNIN CONCENTRATION IN MUST ON THE KINETICS OF WINE FERMENTATION, USING YEAST IMMOBILIZED IN CALCIUM ALGINATE GEL" pptx
... growth rate of immobilized and free yeasts in the cultures with various initial tannin concentrations Increase in tannin concentration of the juice from 1.8 g/L to 17.8 g/L decreased both maximum ... augmented the fermentation time in both immobilized and free yeast cultures The higher the initial tannin concentration in must, the longer the fermentation time Trang 70 Bản quyền thuộc ĐHQG-HCM ... inside the gel beads, the beads were dissolved in a 2%w/v Na-EDTA solution [3] - Reducing sugar concentration was determined by spectrophotometric method, using 3,5-dinitrosalicylic reagent [6]...
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Báo cáo y học: "Segment-orientated analysis of two-dimensional strain and strain rate as assessed by velocity vector imaging in patients with acute myocardial infarction"
... (%) IVSD (cm) HWD (cm) LVDD (cm) LVSD (cm) LV-EDV (ml) FS (%) LA (cm) RVDD (cm) Aorta(cm) 49 ± 12 1.1 ± 0.2 1.0 ± 0.1 5.2 ± 0.4 3.7 ± 1.2 166 ± 46 29 ± 12 3.8 ± 0.6 2.1 ± 0.7 3.0 ± 0.5 Vector Velocity ... Abbreviations AMI: Acute myocardial infarction; A„: Peak late diastolic tissue velocity [cm/s]; E„: Peak early diastolic velocity [cm/s]; ECG: Electrocardiography ; EF: Ejection fraction [%]; 2DS: ... velocity [cm/s]; SR: strain rate [s-1]; sSR: peak systolic strain rate [s-1]; SRe: eak early diastolic systolic strain rate [s-1]; ROI: Region of interest; TDI: Tissue Doppler Imaging; VVI: Velocity...
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Báo cáo y học: "Serum cholesterol concentration associated with aspirin esterase activity in older people: preliminary data"
... laboratory) of the procedure described initially by Sorensen (9) The reagent buffer contained Tris-HCl (0.6 mol/L) and CaCl2 (0.4 mol/L) in pH 7.6-7.7 Substrate was 555 mmol/L of acetylsalicylic ... into a 96 well UV Flat bottom Plate (Thermo 8404) Substrate was extemporaneously diluted in 50 into reagent buffer, and then 200 μL of this final substrate solution was added per well with a multi-channel ... esterase activity levels were correlated significantly and positively with those of total cholesterol concentrations (Table 1) Moreover, both variables showed a significantly and independently positive...
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Báo cáo y học: "Functional genomics analysis of low concentration of ethanol in human hepatocellular carcinoma (HepG2) cells. Role of genes involved in transcriptional and translational processes"
... exposed to a low concentration of ethanol (equivalent to 1mM) demonstrates a totally different pattern to that observed with exposure to ethanol at high concentrations Ethanol at high concentration ... ethanol concentration at millimolar level (1 mM) and the exposition time (6 hr) were chosen based on the data obtained from previous studies [22-24] They demonstrated that ethanol at low concentrations ... Results Low concentration of ethanol selectively expresses genes involved in transcriptional and translational processes Figure shows the hierarchical gene expression profile of mM ethanol concentration...
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Báo cáo y học: " Low concentration of ethanol induce apoptosis in HepG2 cells: role of various signal transduction pathways"
... control The rationale for using a low concentration of ethanol, namely mM, was based on previous reported studies in which the potential therapeutic effect of such concentrations has been proposed ... pro-apoptotic mechanisms, and suggests that ethanol at low concentration shifts the balance into the apoptotic direction after its initial effect on protein kinases phosphorylation The most strikingly ... a pro-apoptotic effect These findings suggest that low concentration of ethanol shifts the balance into the apoptotic direction after its initial effect on protein kinases The second phase or...
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Báo cáo y học: "Serum cystatin C levels to predict serum concentration of digoxin in Japanese patients
... dysfunction [7-9] As shown in Fig 4, the serum concentrations of digoxin depended on the patient substratification It has been demonstrated that the serum concentration of digoxin at steady state was ... digoxin concentrations among Groups I, II and III Meanwhile, four of 18 patients had coadministered with spironolactone (N=2), quinidine (N=1) or verapamil (N=1), which may influence the serum concentration ... with spironolactone (N=4), quinidine (N=2) and/or verapamil (N=3), which may influence the serum concentration of digoxin [20, 21] Fifty-six unrelated healthy Japanese elderly subjects (37 males...
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Báo cáo y học: "A folate-rich diet is as effective as folic acid from supplements in decreasing plasma homocysteine concentrations"
... supplements for lowering plasma tHcy concentrations A high percentage of patients with CAD has hyperhomocysteinemia [17] and low folate intake with ensuing low folate serum concentrations is the main cause ... homocysteine concentrations in the Third National Health and Nutrition Examination Survey (1991-1994): Population reference ranges and contribution of vitamin status to high serum concentrations ... homocysteine concentrations: a randomized trial Am J clin Nutr 1999;69(1):99-104 Int J Med Sci 2005 62 24 Riddell LJ, Chisholm A, Williams S, Mann JI Dietary strategies for lowering homocysteine concentrations...
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20100527 KEVS VNS Initial Coverage V(2)
... truy cập điện tử vào báo cáo giới hạn gửi tới khách hàng Kim Eng Viet Nam (“KEVS”) tổ chức đầu tư liên quan tới KEVS - nhà đầu tư tổ chức người phép truy cập - đối tượng điều khoản khuyến cáo ... trừ cho phép đặc biệt, không phần báo cáo phép chép lại hay phân phối mà không cho phép văn KEVS KEVS không chịu trách nhiệm hành động bên thứ khía cạnh 11 Singapore London New York Taiwan Kim ... ĐỒNG Ý NHỮNG ĐIỀU KHOẢN VÀ KHUYẾN NGHỊ BÊN DƯỚI, BẠN KHÔNG NÊN ĐỌC BÁO CÁO NÀY VÀ THÔNG BÁO CHO KEVS HOẶC NHỮNG TỔ CHỨC LIÊN QUAN BIẾT RẰNG BẠN KHÔNG MUỐN NHẬN NHỮNG BÁO CÁO TƯƠNG TỰ Báo cáo cung...
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VSA dự thảo vs hiện hành
... mực VSA 230 hành đề yêu cầu kiểm toán viên công ty kiểm toán Dự thảo chuẩn mực VSA 230 đề yêu cầu kiểm toán viên, công ty kiểm toán đơn vị kiểm toán Nhận xét: Đây điểm dự thảo chuẩn mực VSA ... vi áp dụng Chuẩn mực VSA 220 hành:Chuẩn mực áp dụng cho kiểm toán báo cáo tài vận dụng cho kiểm toán thông tin tài khác dịch vụ liên quan công ty kiểm toán Dự thảo chuẩn mực VSA 220:Chuẩn mực áp ... tiêu Chuẩn mực VSA 220 hành: Kiểm toán viên công ty kiểm toán phải thực sách thủ tục kiểm soát chất lượng toàn hoạt động kiểm toán công ty kiểm toán kiểm toán Dự thảo chuẩn mực VSA 220: GVHD:...
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C vs. related languages
... (more next lecture ) 20 Initializing variables • Uninitialized, variable assumes a default value • Variables initialized via assignment operator: n = 3; • Can also initialize at declaration: ... processors: phones, portable electronics, etc • DSP processors: digital audio and TV systems • C vs related languages • More recent derivatives: C++, Objective C, C# • Influenced: Java, Perl, Python ... assignment operator: n = 3; • Can also initialize at declaration: float phi = 1.6180339887; • Can declare/initialize multiple variables at once: int a, b, c = 0, d = 4; 21 Arithmetic expressions Suppose...
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Big endian vs. little endian (cont.)
... [=value] Examples: • char x; /∗ uninitialized ∗/ • char x=’A’; /∗ intialized to ’ A’∗/ • char x=’A’,y=’B’; /∗multiple variables initialized ∗/ • char x=y=’Z’;/∗multiple initializations ∗/ 12 Pop quiz ... expressions • Titbit: Flickr changed from unsigned long (232 − 1) to string two years ago Big endian vs little endian The individual sizes are machine/compiler dependent However, the following is guaranteed: ... Depending on the device architecture, we have "big endian" and "little endian" formats Big endian vs little endian (cont.) • Big endian: the most significant bits (MSBs) occupy the lower address...
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