enzymes in soil—occurrence location and assay

Enzymes in the Environment: Activity, Ecology and Applications - Chapter 19 pot

Ngày tải lên : 11/08/2014, 15:20

... is a Fe-protein containing mol Fe and mol inorganic sulfur/mol protein; the second has flavin adenine dinucleotide (FAD) as a prosthetic group; the third is a ferredoxin-type protein All three ... monomeric protein of 65 kD, contains mol FAD/mol protein, and requires NADPH and oxygen (162) A dimeric nitroalkane-oxidizing enzyme, containing flavin mononucleotide rather than flavin dinucleotide ... at alkaline pH and between 40°C and 50°C Numerous protein-engineering studies have been performed to determine substrate specificity and reaction mechanisms The genes encoding purified enzymes...

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Biochemical characterization of thermophilic lignocellulose degrading enzymes and their potential for biomass bioprocessing

Ngày tải lên : 05/09/2013, 16:11

... Professor in 2006 He earned his B.S in Mathematics and Agricultural Engineering in India, a M.S degree in Food Engineering in Thailand, and completed his Ph.D in Agricultural Engineering from ... Bioprocess Engineering in the Department of Agricultural and Biosystems Engineering, South Dakota State University, Brookings, SD, USA He joined the faculty in 1997 as an Assistant Professor and was ... manufacturer’s instructions Protein was estimated by the Bradford method using bovine serum albumin as standard [38] All experiments were run in duplicate and standard deviations (SD) were calculated using...

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Báo cáo khoa học: Crystal structure of RNase A tandem enzymes and their interaction with the cytosolic ribonuclease inhibitor potx

Ngày tải lên : 22/03/2014, 16:21

... which binds to the C-terminal RNase A entity, is shown in pale green The N-terminal and C-terminal RNase A entities are shown in ruby and orange, respectively, and the linker is shown in blue ... shown in ruby, the C-terminal RNase A entity is shown in orange, and the linker is shown in blue (B) The amino acids within the RATEs are numbered 1–124 for the N-terminal RNase A entity and 1¢–124¢ ... C-terminally swapped) ds-RNase A dimers are suggested to bind two RI molecules in vitro, resulting in an inactive complex [19], BS-RNase evades RI binding [14,21] To elucidate the mode of binding...

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classes of groups and their properties

Ngày tải lên : 12/05/2014, 01:59

... taking subnormal subgroups, and let = F be a Fitting class contained in X We say that F is normal in X or X-normal if GF is F-maximal in G for all G ∈ X F is said to be dominant in X or X-dominant ... formations and projectors by interchanging the roles of normal subgroups and quotients groups From this point of view the closure operations Sn and N0 are the natural duals of Q and R0 , and so a Fitting ... example of a Fitting class is the class N of all nilpotent groups This was proved by H Fitting in 1938 The formations Nc and S(d) are also Fitting classes and, in general, since D0 ≤ N0 and R0 ≤ SD0...

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Báo cáo hóa học: " Hydrothermally Grown ZnO Micro/Nanotube Arrays and Their Properties" pptx

Ngày tải lên : 22/06/2014, 00:20

... zinc acetate and equal amount of hexamethylenetetramine (HMT) were dissolved in 30 ml deionized water under stirring And then 10 mL ammonia was put into the above mixed solution Keeping stirring ... depicted in Fig 1c shows the peaks of only zinc and oxygen, indicating the formation of high purity ZnO products A TEM image of a single ZnO nanotube with diameter of around 200 nm is shown in Fig ... such as ZnO and ZnS [13, 41] The crystal structure of the products was also investigated using XRD and the pattern is shown in Fig In this pattern, all the sharp diffraction peak can be indexed to...

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COMPOSITES AND THEIR PROPERTIES ppt

Ngày tải lên : 28/06/2014, 10:20

... contained in the book Publishing Process Manager Marina Jozipovic Typesetting InTech Prepress, Novi Sad Cover InTech Design Team First published August, 2012 Printed in Croatia A free online edition ... Failure and Damage Simulation in Composite Plates Milan Žmindák and Martin Dudinský 131 VI Contents Chapter Numerical Modelling of Damage Evolution and Failure Behavior of Continuous Fiber Reinforced ... perfect for alloying with minimal internal stress At the same time, introduction of BN in graphene, breaks the inversion symmetry, which can result in the opening up of a band gap in graphene On...

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Enzymes and Their Inhibition ppt

Ngày tải lên : 02/07/2014, 11:20

... Cataloging -in- Publication Data Enzymes and their inhibition: drug development / edited by H John Smith and Claire Simons p.; cm — (Enzyme inhibitor) Includes bibliographical references and index ... in any form or by any means, electronic or mechanical, including photocopying, microﬁlming, and recording, or by any information storage or retrieval system, without prior permission in writing ... shock protein I inhibitor IEF isoelectric focusing IR infrared KNF Koshland–Nemethy–Filmer Model LBHB low barrier hydrogen bond LHRH luteinizing hormone-releasing hormone MAO monoamine oxidase...

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Discovery of lipid enzymes and their modulators using metabolite profiling of yeast (saccharomyces cerevisiae) mutants

Ngày tải lên : 04/10/2015, 16:03

... domains that can be chosen include those that are involved in lipid binding and domains involved in lipid metabolism (Table 1) Table Lipid binding domains DOMAIN FUNCTION C1 ZINC FINGER DOMAINS ... component Involved in lipid metabolism Sphingoid long chain base Diacyl glycerol kinase kinase Sphingosine Kinase Minor Sphingoid long chain Diacyl glycerol kinase kinase Sphingosine Kinase NADPH-dependent ... DOMAINS Bind to diacylglycerol C2 DOMAINS Calcium dependent phospholipid binding domains Pleckstrin Homology(PH) domain Bind to phosphoinositols PX Phosphoinositide binding FERM Phospholipid binding...

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Báo cáo khoa học: Enzymes of mannitol metabolism in the human pathogenic fungusAspergillus fumigatus– kinetic properties of mannitol-1-phosphate 5-dehydrogenase and mannitol 2-dehydrogenase, and their physiological implications pot

Ngày tải lên : 14/03/2014, 23:20

... residues for binding the coenzyme The C-terminal domain has a largely a-helical structure, and serves mainly in substrate binding The active site is located in the interdomain cleft, and contains a highly ... b-nicotinamide adenine dinucleotides (NAD+ and NADH) and adenine nucleotides (ATP, ADP and AMP) at a purity 95% were obtained from commercial sources Assays Protein concentrations were determined ... random binding of NAD+ and Man-ol1P [29] It is reasonable to assume that random binding of reactants by AfM1PDH and AfM2DH occurs in rapid equilibrium, and the absence of curvature in LineweaverBurk...

13
470
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Tài liệu Materials, Their Properties and Uses doc

Ngày tải lên : 13/02/2014, 09:20

... abrasive sand include sandblast sand, glass-grinding sand, and stone-cutting sand Sand for stone sawing and for marble and glass grinding is usually ungraded, with no preparation other than screening, ... crystals having a strong astringent taste and is used as a mordant in dyeing, in water purification, sizing papers, tanning, printing inks, and dry colors For use in pickling and tanning leathers, ... Properties and Uses ACETAL RESINS inks and sealing waxes, in binders, for blending with shellac, in production of picric acid, and in medicine Highly crystalline resins that have the repeating group...

1.1K
327
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Báo cáo khoa học: Crystal structure and enzymatic properties of a bacterial family 19 chitinase reveal differences from plant enzymes pdf

Ngày tải lên : 07/03/2014, 11:20

... ChiG, on the other hand, lacks this chitin-binding domain, and consists only of a catalytic domain [22] The chiG gene encodes a 244 amino acid chitinase, including a 29 amino acid leader peptide ... ‘stored’ in the autoinjector) Analyses of the degradation of a-chitin and b-chitin were conducted by incubating 100 lL solutions containing mgÆmL)1 of b-chitin (squid pen b-chitin, lm in size; ... ability to bind sugars in the ) and ) positions On the side where the reducing end of the substrate binds, the interacting loops A and B in the barley enzyme extend the substrate-binding surface...

12
399
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Báo cáo Y học: Properties of group I allergens from grass pollen and their relation to cathepsin B, a member of the C1 family of cysteine proteinases pdf

Ngày tải lên : 08/03/2014, 22:20

... respective N-termini was determined by N-terminal sequencing, resulting in the sequence Y-I-P-K-V, conﬁrming the correct processing of the yeast (a-mating factor) signal sequence for protein export ... rPhl p Q during expression and puriﬁcation, and rPhl p N-containing supernatant Fig Comparison of the expression and enzymatic activity of recombinant Phl p N and Q Sizes in kDa are indicated (A) ... demonstrating lack of a C-terminal peptide activity [18] Even preincubation of the supernatant containing truncated rPhl p N with 0.5% SDS, which strongly interferes with protein–protein interactions and...

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535
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STAINLESS STEELS their properties and their suitability for welding

Ngày tải lên : 14/03/2014, 12:21

... Coarse grinding of the welded joint must be followed by fine grinding and possibly polishing Wire for MIG and plasma-arc welding is layer wound on a spool TIG wire is normally supplied in one-metre ... butt joint is recommended for pipe welding with TIG The single-U butt joint is particularly advantageous in the overhead position A tip is to machine single-V butt joints but grind up the single-V ... joint to a single-U butt joint in the overhead position Tack with a gap of about 1.0-2.5 mm – Never leave grinding burr – Clean the joint before welding – When tacking with TIG, use shielding...

11
438
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Materials, Their Properties and Uses potx

Ngày tải lên : 14/03/2014, 16:20

... abrasive sand include sandblast sand, glass-grinding sand, and stone-cutting sand Sand for stone sawing and for marble and glass grinding is usually ungraded, with no preparation other than screening, ... crystals having a strong astringent taste and is used as a mordant in dyeing, in water purification, sizing papers, tanning, printing inks, and dry colors For use in pickling and tanning leathers, ... Properties and Uses ACETAL RESINS inks and sealing waxes, in binders, for blending with shellac, in production of picric acid, and in medicine Highly crystalline resins that have the repeating group...

1.1K
391
0

facile route to straight sno2 nanowires and their optical properties

Ngày tải lên : 19/03/2014, 16:48

... is single crystalline and grows along [12-1] direction, which is different from common [1 1] and [1 0] growth direction [26,27] No obvious defects and dislocations are observed, and the interplanar ... deep-level (DL) emission such as yellow and orange emission may be induced by bulk defects such as oxygen vacancy (Vo ), and tin interstitial (Sni ), etc It is interesting to observe that the orange emission ... decomposed into Sn and SnO vapor Sn and SnO vapor subsequently are transported to low temperature zone and form liquid droplets The liquid droplets gradually absorb oxygen and are further oxidized into...

4
416
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Tensile properties of cooked meat sausages and their correlation with texture profile analysis (TPA) parameters and physico chemical characteristics

Ngày tải lên : 05/05/2014, 08:43

... mortadella and galantines) from different commercial brands were purchased in retail shops in Spain The 24 samples were 691 bought three times (January, May and October) maintaining brands and meat ... Galantine Galantine Galantine Galantine Galantine Pork and fish Chicken Chicken Duck Chicken 11.5 ± 0.4 17.5 ± 0.4 11.0 ± 0.4 12.0 ± 0.5 15.0 ± 0.5 GL6 Galantine Pork and fish 11.0 ± 0.4 Galantine ... grade, indicating good gelling ability These scores in the folding test could be explained by the high values of breaking strength and TPA parameters of the textural profile The visual and rheological...

7
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Báo cáo hóa học: " A systematic review of mobility instruments and their measurement properties for older acute medical patients" doc

Ngày tải lên : 18/06/2014, 22:20

... patient independence with transfers from lying to sitting and sitting to lying The HABAM provides a dichotomous response option for positions self in bed and lying to sitting independently and the ... person hands-on, person standby, independent with aid, independent BALANCE: impaired static sitting, stable static sitting, stable dynamic sitting, stable static standing, stable dynamic standing, ... Content Lying to sitting, sitting to lying, sit to stand, stand, gait, timed walk (6 meters), functional reach Time to complete "No more than minutes" [32] Original [26,42] Rasch refined [27] 27 in...

15
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Báo cáo hóa học: " Surface properties of glass micropipettes and their effect on biological studies" pot

Ngày tải lên : 21/06/2014, 03:20

... During patch-clamp experiments, valleys and voids are filled with conductive media facilitating ion escape, increasing the leakage current and compromising the seal By comparing the values in ... tips smoother In this study, FIB milling is used for polishing pipette FIB polishing was found to be a more controllable process Fire polishing requires a very good timing and positioning Pipette ... 13 and μm) were chosen The pipettes were split and cut open using focused ion beam milling for access to the inner walls The imaging direction was perpendicular to the cutting plane, avoiding...

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Báo cáo hóa học: " Review of thermo-physical properties, wetting and heat transfer characteristics of nanofluids and their applicability in industrial quench heat treatment" pot

Ngày tải lên : 21/06/2014, 04:20

... State of the art in quenching In Quenching and Carburizing Proceedings of the Third International Seminar of the International Federation for Heat Treatment and Surface Engineering Edited by: Hodgson ... properties, avoiding quench cracks, minimizing distortion and improving reproducibility in hardening The addition of nanoparticles to the conventional quenching fluid results in anomalous change in thermo-physical ... IV Clustering of nanoparticles: Since nanoparticles in the fluid are in Brownian motion and the Van der Waals force against gravity results in clustering of nanoparticles into percolating patterns...

15
434
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Báo cáo hóa học: " Fe3O4–Au and Fe2O3–Au Hybrid Nanorods: Layer-by-Layer Assembly Synthesis and Their Magnetic and Optical Properties" pptx

Ngày tải lên : 21/06/2014, 07:20

... templates The resulting solid products were centrifuged, washed with distilled water and ethanol to remove the ions possibly remaining in the final products, and finally dried at 80°C in air For the ... discovered in the Au–ZnO nanohybrids [39] Figure 4d shows the HRTEM image of an individual a-Fe2O3–Au nanorod There are two lattice fringes with lattice spacings of 0.235 and 0.252 nm corresponding ... be seen that there are two lattice fringes with lattice spacings of 0.235 and 0.296 nm corresponding to the Au {111} and Fe3O4 {220} planes from different grains, respectively, which further confirm...

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