chemistry organometallic reagents oxidation and reduction

Báo cáo khoa học: NADH oxidation and NAD+ reduction catalysed by tightly coupled inside-out vesicles from Paracoccus denitrificans doc

Báo cáo khoa học: NADH oxidation and NAD+ reduction catalysed by tightly coupled inside-out vesicles from Paracoccus denitrificans doc

... NADH oxidation and NAD+ reduction by SPP Lineweaver–Burk plots of the initial rates at different concentrations of NADH (A) and NAD+ (B) The initial rates (V0) of NADH oxidation or NAD+ reduction ... FEBS 2002 NADH oxidation and NAD reduction catalysed by SPP (Eur J Biochem 269) 4023 Fig The effect of rotenone on the time-course of NADH oxidation (A) and succinate-supported NAD+ reduction (B) ... Fig 1) The Km and Vmax values are equal to 5.1 lM and 1.2 lmolÆmin)1Æmg protein)1 and 19.6 lM and 0.1 lmolÆmin)1Æmg protein)1 for NADH-oxidase and NAD+-reductase reactions, respectively The above...

Ngày tải lên: 23/03/2014, 21:21

5 276 0
Tài liệu Báo cáo khoa học: Critical roles of Asp40 at the haem proximal side of haem-regulated phosphodiesterase from Escherichia coli in redox potential, auto-oxidation and catalytic control doc

Tài liệu Báo cáo khoa học: Critical roles of Asp40 at the haem proximal side of haem-regulated phosphodiesterase from Escherichia coli in redox potential, auto-oxidation and catalytic control doc

... potential and auto -oxidation rates of Ec DOS PAS, and catalytic activities of full-length enzymes We found that the mutations at Asp40 markedly altered the redox potential and auto -oxidation ... rates, redox potentials and auto -oxidation rates of the Asp40Ala and Asp40Asn mutants of Ec DOS PAS Cyanide binding rate, experimental errors are within 20%; kox, autoxidation rate; t1/2, Half ... were linear, and composed of only one phase Auto -oxidation rates and half-lives of the O2-bound Fe(II) complexes of Asp40 mutants are summarized in Table Marked increases in the auto -oxidation rate...

Ngày tải lên: 19/02/2014, 16:20

6 424 0
Small particle chemistry  reasons for differences and related conceptual challenges  d  r  baer and j  e  amonette

Small particle chemistry reasons for differences and related conceptual challenges d r baer and j e amonette

... Nanotechnology is a branch of science and engineering devoted to the design and production of extremely small electronic devices and circuits built from individual atoms and molecules • Nanotechnology ... channels and strategies for using the Nanotechnology over Wireless Devices Series in Wireless Technology Developments • Mobile wireless devices support: – Wide range of applications spanning voice and ... for computing • Disadvantages – Environmental risks – Privacy risks – Social and political risks • Other Issues – When and how to regulate or not regulate the technological development? – How to...

Ngày tải lên: 15/03/2014, 23:53

12 439 0
Báo cáo khoa học: Critical roles of Leu99 and Leu115 at the heme distal side in auto-oxidation and the redox potential of a hemeregulated phosphodiesterase from Escherichia coli pptx

Báo cáo khoa học: Critical roles of Leu99 and Leu115 at the heme distal side in auto-oxidation and the redox potential of a hemeregulated phosphodiesterase from Escherichia coli pptx

... the Leu99 and Leu115 mutant and wild-type proteins differed significantly A possible explanation for these findings is that O2 and CO have different modes of ligand binding but share a ligand access ... are His77 and Met95 In addition, the FG loop is very flexible and disordered and could not be resolved in the crystal structural for the Fe(III) heme complex, whereas the loop was rigid and could ... (SmFixL), and Ile238 (BjFixL) ⁄ Val232 (SmFixL) for BjFixL and SmFixL, there is no amino acid that spatially corresponds to Ile215 (BjFixL) ⁄ Ile209 (SmFixL) in Ec DosH (Figs and 2) [10] Phe113 and...

Ngày tải lên: 16/03/2014, 13:20

14 390 0
Báo cáo khóa học: Genetic defects in fatty acid b-oxidation and acyl-CoA dehydrogenases Molecular pathogenesis and genotype–phenotype relationships ppt

Báo cáo khóa học: Genetic defects in fatty acid b-oxidation and acyl-CoA dehydrogenases Molecular pathogenesis and genotype–phenotype relationships ppt

... summarized below, focused on one hand on the biogenesis and stability of the variant K304E MCAD protein, coded from the 985AdefiGua allele, and on the other hand on the activity and chain-length selectivity ... fatty acid oxidation The draft sequence of the human genome was published in 2001 [7,8] and the assembly of large contigs and the annotation of genes makes it possible to find gene and genome ... acid oxidation (Eur J Biochem 271) 473 Fig The gene structures of the ACADVL (VLCAD), ACADM (MCAD) and ACADS (SCAD) genes The number and approximate size of all coding regions are shown and the...

Ngày tải lên: 23/03/2014, 12:20

13 407 0
Alkaloids - Secrets of Life: Aklaloid Chemistry, Biological Significance, Applications and Ecological Role pdf

Alkaloids - Secrets of Life: Aklaloid Chemistry, Biological Significance, Applications and Ecological Role pdf

... Salamandra Moss alkaloids Theobromine Caffeine Salamandra maculosa Deformylflustrabromin Lustrabromine Flustramine Saxitoxin Tetrodotoxin Samandarine Samandarone Samandaridine Cycloneosamandaridine ... diseases and in weapons as toxins during tribal wars and during hunting They also had, and still have, socio-cultural and personal significance in ethnobotany34 Moreover, they have been and continue ... tropics and, especially in, tropical lowland zones154 The Monseed botanical family is large, containing about 70 genera and 450 species (Table 11) The genus Stephania produces tetrandrine and stephanine,...

Ngày tải lên: 29/03/2014, 17:20

315 734 2
vol 2 the chemistry of wine, stabilization and treatments

vol 2 the chemistry of wine, stabilization and treatments

... 0-470-01037-1 (v : acid-free paper) Wine and wine making—Handbooks, manuals, etc Wine and wine making—Microbiology—Handbooks, manuals, etc Wine and wine making Chemistry Handbooks, manuals, etc I Dubourdieu, ... Handbook of Enology Volume The Chemistry of Wine Stabilization and Treatments 2nd Edition Handbook of Enology Volume The Chemistry of Wine Stabilization and Treatments 2nd Edition ... directly Handbook of Enology Volume 2: The Chemistry of Wine and Stabilization and Treatments and D Dubourdieu  2006 John Wiley & Sons, Ltd P Rib´ reau-Gayon, Y Glories, A Maujean e Handbook of...

Ngày tải lên: 12/06/2014, 11:36

442 356 0
Báo cáo hóa học: " Research Article TCP Traffic Control Evaluation and Reduction over Wireless Networks Using Parallel Sequential Decoding Mechanism" pptx

Báo cáo hóa học: " Research Article TCP Traffic Control Evaluation and Reduction over Wireless Networks Using Parallel Sequential Decoding Mechanism" pptx

... probabilities and less bandwidth CRC code is one of the most common coding schemes used in digital communications It is very easy to be implemented in electronic hardware and efficient encoding and decoding ... that when it gets higher and higher, the probability density function of that distribution goes to zero earlier and earlier accordingly On the other hand, when it gets lower and lower, the chance ... 0.35 and λ = 0.25 for T = 10 and T = 100, respectively While in Figure 5, for β = 1.5, the system reaches its capacity around packet arriving probabilities λ = 0.52 and λ = 0.44 for T = 10 and...

Ngày tải lên: 22/06/2014, 19:20

16 180 0
GREENHOUSE GASES – CAPTURING, UTILIZATION AND REDUCTION doc

GREENHOUSE GASES – CAPTURING, UTILIZATION AND REDUCTION doc

... acetate, polysulfone, and polyimide, are used for this purpose Air Products and Chemicals and Ube are marketing membrane systems for EOR and landfill gas upgrading, respectively and they have been ... has built on the capture of CO2 from flue gas, and even landfill gas and coal bed methane gas In addition, flue gas, coal bed methane and some landfill gases contain O2 that can interfere with ... Mats Ek and Kåre Tjus Chapter Dietary Possibilities to Mitigate Rumen Methane and Ammonia Production 199 Małgorzata Szumacher-Strabel and Adam Cieślak Part Greenhouse Gases Reduction and Storage...

Ngày tải lên: 28/06/2014, 17:20

348 378 1
a synthesis of atmospheric mercury depletion event chemistry linking atmosphere, snow and water

a synthesis of atmospheric mercury depletion event chemistry linking atmosphere, snow and water

... 1997); humic acids (Costa and Liss, 2000) or other compounds potentially involved in photoreduction reactions such as Fe(III) (Zhang and Lindberg, 2001) Photoreduction and photooxidation are known ... ambient gas phase chemistry, aqueous phase chemistry and chemistry on snow and ice surfaces The necessary physical processes addressed by these models include dry deposition onto the ice and snow, aqueous ... delicate balance of the Arctic Hg phenomenon between atmospheric oxidation and deposition on the one hand and snow pack photo -reduction and emission on the other Seasonal studies at Barrow −2 (Brooks...

Ngày tải lên: 01/07/2014, 16:05

95 1,1K 0
Báo cáo y học: "Deactivation of endothelium and reduction in angiogenesis in psoriatic skin and synovium by low dose infliximab therapy in combination with stable methotrexate therapy: a prospective single-centre study" ppt

Báo cáo y học: "Deactivation of endothelium and reduction in angiogenesis in psoriatic skin and synovium by low dose infliximab therapy in combination with stable methotrexate therapy: a prospective single-centre study" ppt

... Score (DAS 30; see Materials and Methods) scores and mg/kg) Psoriasis Area and Severity Index (PASI) scores Results represent reductions from baseline, shown as mean ± standard error of the mean ... received infusions of mg/kg infliximab at baseline, and at weeks 2, 6, 14 and 22 The protocol was reviewed and approved by the medical ethics committee, and all patients gave their written informed ... baseline and at weeks 2, 4, 6, 8, 12, 14, 16, 20, 22 and 24 The clinical response of psoriatic skin lesions was measured using the Psoriasis Area and Severity Index (PASI), body surface area and the...

Ngày tải lên: 09/08/2014, 01:23

9 374 0
Báo cáo y học: " The contrasting roles of PPARδ and PPARg in regulating the metabolic switch between oxidation and storage of fats in white adipose tissue" ppt

Báo cáo y học: " The contrasting roles of PPARδ and PPARg in regulating the metabolic switch between oxidation and storage of fats in white adipose tissue" ppt

... thioesterase and nudix-type motif 19 coenzyme A diphosphatase enzymes, which catalyze the hydrolysis of medium- and long-chain acyl-CoAs to FFA and CoA, and therefore prevent the b -oxidation of medium- and ... perturbation One possible driving force for this increased oxidation of both glucose and fats, and increased flux through boxidation and the TCA cycle, is the increased expression of the components ... of citrate and succinate and decreases in fumarate and malate The 1-13C glucose labeling experiment and increased citrate concentration demonstrate that the increased glycolytic flux, and hence...

Ngày tải lên: 09/08/2014, 23:20

19 599 0
Báo cáo y học: "Pulmonary stenosis development and reduction of pulmonary arterial hypertension in atrioventricular septal defect: a case report" pdf

Báo cáo y học: "Pulmonary stenosis development and reduction of pulmonary arterial hypertension in atrioventricular septal defect: a case report" pdf

... calcified and narrow Outflow tract was muscular and thick The surgeon closed the atrial and ventricular parts of the ASVD, replaced the pulmonary valve with a biological prothesis, and reconstructed ... associated with a mixed, infundibular and valvular, pulmonary stenosis (PS) with RV-PA outflow gradient of 60 mmHg Cardiac catheterization was checked (figure 2) and showed a decreased but still relatively ... bidirectional and cardiac output was normal Under vasoreactivity test (nitric oxide drug), pressures slightly decrease to 54- 23-38 mmHg Vasodilator treatment was started with prostacyclins and endothe-...

Ngày tải lên: 10/08/2014, 10:20

5 370 0
Báo cáo y học: "Stimulation of Apolipoprotein A-IV expression in Caco-2/TC7 enterocytes and reduction of triglyceride formation in 3T3-L1 adipocytes by potential anti-obesity Chinese herbal medicines" ppsx

Báo cáo y học: "Stimulation of Apolipoprotein A-IV expression in Caco-2/TC7 enterocytes and reduction of triglyceride formation in 3T3-L1 adipocytes by potential anti-obesity Chinese herbal medicines" ppsx

... Fructus Schisandrae Chinensis (Wuweizi) and Q: Fructus Mori (Sangshen) All the herbs were purchased from Eu Yan Sang International Ltd and Tung Fong Hong Medicine Co Ltd in Hong Kong and were authenticated ... Angelica Sinensis zoma AlismatisTG differentiated 3T3-L1 adipocytes and RhiReduction Reduction of TG content by Radix Angelica Sinensis and Rhizoma Alismatis in differentiated 3T3-L1 adipocytes A: Lipogenic ... carried out the experiments and drafted the manuscript RC contributed to the study design and manuscript revision AC, JL and IC assisted in performing the experiments TD and KT contributed to the...

Ngày tải lên: 13/08/2014, 15:21

8 246 0
In vitro study of surface functionalization of titanium substrates for potential enhancement of osseointegration and reduction of bacterial infection

In vitro study of surface functionalization of titanium substrates for potential enhancement of osseointegration and reduction of bacterial infection

... cells (MSCs) and enhance their attachment on the implant surface, and fibrinogen, von Willebrand factor (vWF) and immunoglobulin G are important for platelet activation, coagulation, and inflammation ... properties (including high strength and ductility, and low modulus), minimum material deterioration (including corrosion and wear resistance), and excellent biocompatibility and osseointegration ability ... surface chemistry (a) Growth factors and bisphosphonates (BPs) on bone formation Bone formation and regeneration is a complex and coordinated process, involving numerous mechanical, cellular and...

Ngày tải lên: 10/09/2015, 09:13

179 403 0
An examination of the long run market reaction to the announcement of dividend omissions and reductions

An examination of the long run market reaction to the announcement of dividend omissions and reductions

... approach was first used by Jaffe(1974), and later applied by Loughran and Ritter (199S), Brav and Gompers (1997), Michell and Stafford (2000), and Boehme and Sorescu (2002) to avoid crosssectional ... Mitchell and Stafford (2000) and Boehme and Sorescu (2002) regress calendar-time portfolio excess returns on the three Fama and French factors In Mitchell and Stafford (2000) , as well as Boehme and ... Barber and Lyon show that it also yields misspecified test statistics in nonrandom samples By random samples Barber and Lyon mean these sample firms are randomly drawn , compared to nonrandom...

Ngày tải lên: 30/09/2015, 15:34

121 237 0
Training program for occupational safety behavior in workplace of production company in hanoi basis for accident prevention and reduction

Training program for occupational safety behavior in workplace of production company in hanoi basis for accident prevention and reduction

... improvements in safety levels, and indirectly increase productivity, quality and work satisfaction in the company 10 • Help workers and technicians to understand BBS and BBSO and apply to working place ... analysis and findings in Chapter IV, We found that LILAMA 69-2 even with good designed facilities and available safety management system and competent workforce, is facing numbers of accidents and ... beliefs and actions So implementation of BBS in the company will bring: - Creating new safety climate and culture in the company with mutual agreeable decision making and interactions (from top and...

Ngày tải lên: 09/05/2016, 16:56

13 218 0
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