kinetic modeling of enzymatic hydrolysis of cellulose

... function of the number of parameters in a model Boekel /Kinetic Modeling of Reactions in Foods DK3903_C002 Final Proof page 10 22.10.2008 6:37pm Compositor Name: VAmoudavally 2-10 Kinetic Modeling of ... 11.3.2 Kinetics of Creaming or Settling 11-19 11.3.3 Kinetics of Coalescence 11-21 11.3.4 Kinetics of Ostwald Ripening 11-23 11.3.5 Kinetics of Gelation of Particles ... quality This is then the domain of kinetics Kinetics plays thus an important part in the modeling of food quality The purpose of this book is to explain how kinetics and kinetic models can be used...

Ngày tải lên: 02/04/2014, 15:04

... within the contexts of these models [11] In this report we describe a kinetic model of tumor transport in the craniospinal axis (subarachnoid space and Figure Arrangement of craniospinal irradiation ... compartments Within each tissue compartment, transfer of cells between the phases is determined by the rate of adhesion of cells from the fluid Page of (page number not for citation purposes) Radiation ... linear function of tumor cell number (first-order growth kinetics), i.e., the product of growth rate constant, and cell number for that compartment and phase For the purposes of this model, we...

Ngày tải lên: 09/08/2014, 10:21

... Simulation of the effect of inhibition of both ICL1 and ICL2 Simulation of the effect of inhibition of both ICL1 and ICL2 by 3-nitropropionate (3-NP) Broken line represents the sum of flux through ... Parameters of the models The kinetic parameters of the enzymes in the models (see [additional file 1: Kinetic constants of the enzymes in E coli model'] and [additional file 2: Kinetic constants of the ... inhibition of ICD1-kinase and/or the proposed inactivator of ICD2 Inhibition of ICD1-kinase and/or proposed inactivator of ICD2 would increase the amount of active ICD1 and/or Page of 11 (page...

Ngày tải lên: 13/08/2014, 23:20

... INITIO KINETIC MODELING OF GAS PHASE RADICAL REACTIONS SUN WENJIE (B Eng., Dalian University of Technology, China) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CHEMICAL ... reduced moment of inertia I(m,n) to represent different approximations of the internal moment of inertia m indicates the level of reduction of the moment of inertia due to the coupling of internal ... begin to be capable of predicting the kinetics of complex radical systems with high accuracy The successful prediction of the rate and selectivity of the low temperature oxidation of carboxylic acids...

Ngày tải lên: 11/09/2015, 09:15

... LT, Lee YH & Beardmore DH (1980) Mechanism of the enzymatic- hydrolysis of cellulose – effects of major structural features of cellulose on enzymatichydrolysis Biotechnol Bioeng 22, 177–199 32 ... on the rate of the hydrolysis of cellulose Biotechnol Bioeng 33, 1221–1234 43 Lee YH & Fan LT (1982) Kinetic- studies of enzymatichydrolysis of insoluble cellulose – analysis of the initial rates ... (1983) Kinetic- studies of enzymatichydrolysis of insoluble cellulose – derivation of a mechanistic kinetic- model Biotechnol Bioeng 25, 2707–2733 39 Ohmine K, Ooshima H & Harano Y (1983) Kinetic- study...

Ngày tải lên: 15/03/2014, 10:20

... Future perspective for enzymatic hydrolysis of lignocellulose Enzymatic hydrolysis of lignocellulose is a complex event that requires finely tuned synergy between number of enzymes to achieve ... size and 10 of reaction time) was supplemented with xylanase preparation during enzymatic hydrolysis [103].Pectin has similar steric effect on enzymatic hydrolysis of cellulose as hemicellulose ... recycling of free cellulose from hydrolysis supernatant 15 Enzymatic hydrolysis at high solids content Enzymatic hydrolysis at higher solids loading is desirable from an industrial point of view...

Ngày tải lên: 05/09/2013, 15:28

... Modulation of butyrylcholinesterase catalytic activitiy P Masson et al both the competitive inhibition of hydrolysis of positively charged substrates and activation of hydrolysis of neutral substrates ... pattern of inhibition has been reported previously for decamethonium inhibition of the hydrolysis of 7-acetoxy-4-methylcoumarin by acetylcholinesterase [50] The inhibition of wild-type BuChE hydrolysis ... similar to the activating effect of tyramine binding on the hydrolysis of o-NAC and o-NPA The observation that benzalkonium is an inhibitor of BuChE-catalysed hydrolysis of ATMA at low [S] and an activator...

Ngày tải lên: 18/02/2014, 17:20

... only about a third of that of the catalytic unit Enzymatic properties of the PoHex The Hex from both strains of P oxalicum (CCF 1959 and CCF 3438) displayed a broad pH optimum of 2–4, with a maximum ... ture of the model after ns of refinement: 0.4% of the turn structure was remodelled to b-sheets and the percentage of a-helical elements increased by 0.5% The positions of the C-alpha atoms of Ala452-Asn462 ... Docking of modified N-acylhexosamine substrates into the active site of PoHex (A) Binding energies of N-acyl modified substrates with PoHex during ns of MD simulation (B) Overlay of positions of N-formyl...

Ngày tải lên: 14/03/2014, 23:20

... al Kinetic hybrid models composed of mechanistic and simplied rate laws for the construction of the Jacobian matrix used for the analysis of stability Enzymatic rate laws and other details of ... metabolic network of erythrocytes To investigate the suitability of different variants of kinetic network models considered in this work, we have chosen a metabolic network of human erythrocytes ... mixed kinetic models yielded signicantly better load characteristics for almost all variants of simplied rate equations tested Hence, the development of kinetic hybrid models composed of rate...

Ngày tải lên: 23/03/2014, 06:20

... surface profile with conditions of Exp-2…………….79 Figure 6.11 Steady water surface profile with conditions of Exp-5…………….80 Figure 6.12 Steady water surface profile with conditions of Exp-6…………….80 ... plot of water surface in 2D simulation of Exp-1 …………….95 Figure 6.35 Carpet plot of water surface in 2D simulation of Exp-2…………… 95 Figure 6.36 Carpet plot of water surface in 2D simulation of ... plot of water surface in 2D simulation of Exp-4…………… 96 Figure 6.38 Carpet plot of water surface in 2D simulation of Exp-5…………… 97 Figure 6.39 Carpet plot of water surface in 2D simulation of Exp-6……………...

Ngày tải lên: 06/11/2012, 10:35

... Segerlind L.J, (1988), Modeling Simultaneous Heat and Mass Transfer in Isotropic Sphere, Trans ASEA, pp 31 Husain A., Chen C.S., Clayton J T, Whitney L.F (1972), Mathematical Simulation of Mass and Heat ... D McDaniel (2004), A Practical Manual for Understanding the Shell Structure of Broiler Hatching Eggs and Measurement of their Quality, Mississipi State University, p 3-5 ... hợp hệ thống điều khiển cho toàn hệ thống Tài liệu tham khảo Crank J., (1975), The Mathematics of Diffusion, Oxford University Press, Bala, B K (1998), Solar drying systems: Simulations and optimization,...

Ngày tải lên: 28/08/2013, 08:31

... 22-23 of 2003 The amount of precipitation was 30 mm in total Figure shows the precipitation record of the studied event (Fig 2a) and the record of the river flow rate (solid line, Fig 2b) of the ... measurement, considering of their respective analytical errors A concept of two-component mixing was employed, in which it was assumed that runoff is composed of a mix of two components: one originating ... and by setting C1 and C2 as mentioned above, the fraction of new water evaluated for the main part of the runoff (0000 of Oct 22 to 1600 of Oct 23, 40 h in total) was found to be as shown in Fig...

Ngày tải lên: 05/09/2013, 09:08

... value of A and m of the resulting power law equation and their correlation coefficients from the plots of initial velocities of DMPO-OH generation versus ozone concentration Table Parameters of ... the initial velocity of DMPO-OH generation Although ESR spectroscopy is one of the most sensitive methods for radical detection, the amounts of DMPO-OH generated from 10 μM of ozone was the lowest ... Therefore, 10-80 μM of aqueous ozone was rapidly mixed with DMPO solution containing μM of phenol or resorcinol at room temperature, and the second line of the quartet ESR signal of the DMPO-OH adduct...

Ngày tải lên: 05/09/2013, 09:38

... completeness of combustion and its equal to 6.908, m is a parameter characterizing the rate of combustion The small value of m means a high rate at the beginning of combustion, while a large value of m ... optimazation study for the reduction of Nox emissions of diesel engine working with soybean oil biofuel blendings using diesel-rk software’,27th national convention of chemical engineering, September ... approximation to that of obtained by Diesel-rk software hence, the developed mathematical model is suitable for the prediction of the combustion and performance characteristics of the C.I engine...

Ngày tải lên: 05/09/2013, 16:11

Ngày tải lên: 14/12/2013, 12:15

... measure of goodness -of- fit When the third item suggests that the model is an unlikely match to the data, then items (i) and (ii) are probably worthless Unfortunately, many practitioners of parameter ... question, “What is the probability that a particular set of fitted parameters a1 aM is correct?” The reason is that there is no statistical universe of models from which the parameters are drawn There ... one model, the correct one, and a statistical universe of data sets that are drawn from it! Sample page from NUMERICAL RECIPES IN C: THE ART OF SCIENTIFIC COMPUTING (ISBN 0-521-43108-5) Copyright...

Ngày tải lên: 15/12/2013, 04:15

... assumption of a normal distribution For a hundred years or so, mathematical statisticians have been in love with the fact that the probability distribution of the sum of a very large number of very ... that the standard deviations σ of these normal distributions are the same for all points Then the probability of the data set is the product of the probabilities of each point, 15.1 Least Squares ... distribution is often rather poorly realized, if it is realized at all We are often taught, rather casually, that, on average, measurements will fall within ±σ of the true value 68 percent of the time,...

Ngày tải lên: 15/12/2013, 04:15

... contributes its own bit of uncertainty to the parameters Consideration of propagation of errors shows that the variance σf in the value of any function will be 664 Chapter 15 Modeling of Data In §14.5 ... variance of the linear combination yi − a − bxi of two random variables xi and yi , 2 Var(yi − a − bxi ) = Var(yi ) + b2 Var(xi ) = σy i + b2 σx i ≡ 1/wi (15.3.3) The sum of the square of N random ... 15 Modeling of Data N yi − a − bxi σi χ2 (a, b) = i=1 (15.2.2) If the measurement errors are normally distributed, then this merit function will give maximum likelihood parameter estimations of...

Ngày tải lên: 15/12/2013, 04:15

... generalization of §15.2 is to fit a set of data points (xi , yi ) to a model that is not just a linear combination of and x (namely a + bx), but rather a linear combination of any M specified functions of ... North America) float chixy(float bang) Captive function of fitexy, returns the value of (χ2 − offs) for the slope b=tan(bang) Scaled data and offs are communicated via the global variables { int ... stage of varying b, successful numerical root-finding leads to a value of ∆a that minimizes χ2 for the value of ∆b that gives ∆χ2 = This (see Figure 15.3.1) directly gives the tangent projection of...

Ngày tải lên: 15/12/2013, 04:15

... standard deviations of the measured dependent variable The measured values of the dependent variable not enter the design matrix Solution by Use of the Normal Equations The minimum of (15.4.3) occurs ... vector of length M The equations (15.4.6) or (15.4.7) are called the normal equations of the leastsquares problem They can be solved for the vector of parameters a by the standard methods of Chapter ... parameters a are linear combinations of the columns of V, with coefficients obtained by forming dot products of the columns Sample page from NUMERICAL RECIPES IN C: THE ART OF SCIENTIFIC COMPUTING (ISBN...

Ngày tải lên: 15/12/2013, 04:15