Intermediate microeconomics a modern approach eighth edition hal RVarian

ENZYME KINETICS A MODERN APPROACH – PART 1 pps

ENZYME KINETICS A MODERN APPROACH – PART 1 pps
... / 12 7 11 TRANSIENT PHASES OF ENZYMATIC REACTIONS 11 .1 Rapid Reaction Techniques / 13 0 11 .2 Reaction Mechanisms / 13 2 12 9 CONTENTS xi 11 .2 .1 Early Stages of the Reaction / 13 4 11 .2.2 Late Stages ... 12 2 10 .1. 1 Interfacial Binding / 12 2 10 .1. 2 Interfacial Catalysis / 12 3 10 .2 Determination of Interfacial Area per Unit Volume / 12 5 10 .3 Determination of Saturation Interfacial Enzyme Coverage ... 8.3 Application / 11 4 8.4 Reality Check / 11 5 IMMOBILIZED ENZYMES 11 6 9 .1 Batch Reactors / 11 6 9.2 Plug-Flow Reactors / 11 8 9.3 Continuous-Stirred Reactors / 11 9 10 INTERFACIAL ENZYMES 12 1 10 .1...
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ENZYME KINETICS A MODERN APPROACH – PART 2 pptx

ENZYME KINETICS A MODERN APPROACH – PART 2 pptx
... undissociated acid HA and conjugate base A at constant ionic strength Thus, kc reduces to kc = kHA [HA] + kA− [A ] (1.80) which can be expressed as kc = kHA [HA] + kA− Ka [HA] Ka − + ] = kHA + kA ... conjugate base–catalyzed reaction 22 TOOLS AND TECHNIQUES OF KINETIC ANALYSIS The overall rate of this acid/base-catalyzed reaction (v) corresponds to the summation of each of these individual reactions: ... kHA [HA] + kA− [A ] (1.78) Two types of acid–base catalysis have been observed: general and specific General acid–base catalysis refers to the case where a solution is buffered, so that the rate...
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ENZYME KINETICS A MODERN APPROACH – PART 3 pps

ENZYME KINETICS A MODERN APPROACH – PART 3 pps
... model A steady-state approximation can also be used to obtain the rate equation for an enzyme- catalyzed reaction 3. 2.2 Steady-State Model The main assumption made in the steady-state approximation ... Michaelis–Menten model to the experimental data allowed for rapid and accurate determination of the catalytic parameters of this enzyme- catalyzed reaction The estimates of Vmax and Km , their standard ... experimental data set or it may mean that an inappropriate regression model was chosen and the curve deviates systematically from the experimental data The p value provides a measure of statistical...
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ENZYME KINETICS A MODERN APPROACH – PART 4 pptx

ENZYME KINETICS A MODERN APPROACH – PART 4 pptx
... is appropriate When more than two values are compared, a one-way analysis of variance (ANOVA), TABLE 4. 2 Rate of Hydration of Fumarate to Malate by Fumarase at various Substrate Concentrationsa ... where Vmax and Ks correspond, respectively, to apparent enzyme maximum velocity and apparent enzyme substrate dissociation constant at a ∗ ∗ particular pH For the model above, Vmax = Vmax /α and ... versus [I0 ] data set at a fixed substrate concentration has to be created A plot of these k versus [I0 ] data would yield a rectangular hyperbola (Fig 5 .4) Estimates of Ki and ki can be obtained by...
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ENZYME KINETICS A MODERN APPROACH – PART 5 pptx

ENZYME KINETICS A MODERN APPROACH – PART 5 pptx
... complexes EAB (K AB and K BA ), and the enzyme mass balance are, respectively, v = kcat [EAB] [E] [A] [E][B] A B Ks = Ks = [EA] [EB] [EB] [A] [EA][B] K BA = K AB = [EBA] [EAB] [ET ] = [E] + [EA] + [EB] ... cooperativity, which can have noninteger values Estimates of the parameters k and n are obtained using standard nonlinear regression procedures available in most modern graphical software packages ... (K AB ), and the enzyme mass balance are, respectively, v = kcat [EAB] [E] [A] [EA][B] A Ks = K AB = [EA] [EAB] [ET ] = [E] + [EA] + [EAB] (7.21) (7.22) (7.23) Normalization of the rate equation...
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ENZYME KINETICS A MODERN APPROACH – PART 6 pptx

ENZYME KINETICS A MODERN APPROACH – PART 6 pptx
... concentration in this treatment In determination of the catalytic parameters of an enzyme- catalyzed interfacial reaction, increasing amounts of substrate are added to a solution 121 122 INTERFACIAL ENZYMES ... for an interfacial enzyme various parameters in Eq (10.9) on the velocity of a reaction catalyzed by an interfacial enzyme As the enzyme interface dissociation constant increases (i.e., the affinity ... exponential term, and the shape of the curve approaches that of a straight line Valuable information can be gained from analysis of the early and late stages of this reaction 11.2.1 Early Stages...
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ENZYME KINETICS A MODERN APPROACH – PART 7 ppsx

ENZYME KINETICS A MODERN APPROACH – PART 7 ppsx
... the apparent rate constants for a number of relaxation reactions are summarized in Table 11.1 CHAPTER 12 CHARACTERIZATION OF ENZYME STABILITY In many enzyme- related studies, an index of enzyme ... enzyme 12.3 EXAMPLE For the kinetic characterization of enzyme stability, enzyme solutions are incubated at a particular temperature and aliquots removed at the appropriate times Enzyme activity in ... of enzyme activity For the thermodynamic characterization of enzyme stability, the minimum enzyme activity has to be determined Enzyme solutions are incubated at a particular temperature and aliquots...
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ENZYME KINETICS A MODERN APPROACH – PART 8 ppt

ENZYME KINETICS A MODERN APPROACH – PART 8 ppt
... (for examples see Hlasta et al., 1996; Groutas et al., 19 98; Macchia et al., 2000; Clemente et al., 2001) Amino acid analysis of both native and inactivated enzyme can identify which amino acid ... Robinson, and A Krantz, J Am Chem Soc 1 08, 5 58 9–5 597 (1 986 ) REFERENCES 173 Swar´ n, P., I Massova, J R Bellettini, A Bulychev, L Maveyraud, L P Kotra, e M J Miller, S Mobashery, and J.-P Samama, J Am ... 19 78; Fukuwaka et al., 1 985 )] Although the data in Fig 14.2 may appear to be visually consistent with a rectangular hyperbola pattern (Michaelis–Menten model), it is a rather simple matter to test...
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ENZYME KINETICS A MODERN APPROACH – PART 9 docx

ENZYME KINETICS A MODERN APPROACH – PART 9 docx
... the mean of a minimum of two determinations ± standard deviation b ss1, substrate consisting of the peptide lysine–proline–alanine–glutamic acid–phenylalanine– phenylalanine (NO2 )–alanine–leucine ... Baratti, G Buono, and C Triantaphylides, 198 7 Lipase-catalyzed reactions in organic media: competition and applications Biochim Biophys Acta 91 1: 11 7–1 20 Fersht, A. , Enzyme Structure and Mechanism, ... change was different for individual enzymes The alanine mutant was affected less than either valine and serine mutants, which had comparable catalytic constants Compared to valine and serine, alanine...
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