addition reactions of conjugated dienes
Tài liệu Báo cáo khóa học: Quantitative analysis, using MALDI-TOF mass spectrometry, of the N-terminal hydrolysis and cyclization reactions of the activation 2 process of onconase pdf
Ngày tải lên :
19/02/2014, 12:20
... Materials and methods Completion of the hydrolysis was confirmed by the disappearance of the (Met1)-ONC (M23L) signal in the MALDI-TOF mass spectra h after the addition of AAP The pH was adjusted to ... analyzed by MALDI-TOF MS The addition of the protease is considered the zero time point The relative intensities of the peaks from the mass spectra were used to calculate the fraction of Pyr-ONC (M23L), ... the addition of the exopeptidase) Preparative activation Activation of (Pyr)-ONC (M23L) was performed as described in the Materials and methods The presence of pyroglutamyl at the N-terminus of...
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Báo cáo khoa học: Reactions of gold(III) complexes with serum albumin docx
Ngày tải lên :
07/03/2014, 21:20
... stoichiometric excess of cyanide The UV-Vis spectra were recorded before and immediately after the addition of a concentrated solution of sodium cyanide Reaction with imidazole The interaction of [Au(bipyc-H)(OH)][PF6] ... M BSA upon addition of increasing amounts of [Au(bipyc-H)(OH)][PF6], in the reference buffer are shown In the course of the experiment, r varies from 0.5 to 5.0 Biological properties of the adduct ... according to [9] A gummy yellow precipitate was formed by the addition of a solution of 1,2-ethylendiamine monohydrate in ether to a solution of HAuCl4 in ether; the yellow precipitate was dissolved...
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Báo cáo Y học: Formation of conjugated D11 D13-double bonds by D12-linoleic acid (1,4)-acyl-lipid-desaturase in pomegranate seeds doc
Ngày tải lên :
08/03/2014, 16:20
... sequenced The full-length cDNA of Pun1 had a length of 1185 bp coding for a protein of 395 amino acids with a calculated molecular mass of 45.8 kDa The amino acid sequence of this putative fatty acid ... bond of linoleic acid into two conjugated and trans configurated double bonds at the 11 and 13 positions, resulting in the production of the conjugated linolenic acid 18:3D9Z,11E,13E [7] In addition ... r.p.m) to densities of A600 ¼ 2–3 Twenty millilitres of cell cultures were harvested by centrifugation and lyophilized Lipid analysis For analysis of punicic acid content of transformed yeast...
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Báo cáo khoa học: Brain succinic semialdehyde dehydrogenase Reactions of sulfhydryl residues connected with catalytic activity pdf
Ngày tải lên :
16/03/2014, 18:20
... deletions in the genomic level would be causative of SSADH deficiency [11,12] Despite the importance of SSADH in the metabolism of GABA, the structural studies of the enzyme have not yet been well investigated ... initiated by the addition of DABIA The amount of DABIA bound to the enzyme was determined by measuring the increase in absorbance at 436 nm using a molar extinction coefficient of 29 000 M)1Æcm)1 ... for the inactivation of DABIA was 168 M)1Æmin)1, as determined from the slope of this plot In an effort to demonstrate that DABIA is bound to sulfhydryl groups of SSADH, lM of SSADH was incubated...
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Báo cáo khoa học: Light-induced reactions of Escherichia coli DNA photolyase monitored by Fourier transform infrared spectroscopy pot
Ngày tải lên :
16/03/2014, 18:20
... aimed at an elucidation of a detailed molecular picture of the light-driven DNA repair process Results Construction of a DNA photolyase E109A mutant MTHF, the second cofactor of E coli DNA photolyase, ... photolyase to a level of about 15% of total cell protein Purification by published procedures afforded the blue radical form of the mutant enzyme The yield of isolated protein was about twofold higher ... redox-active cofactor [15–17] Both 5,10-methenyltetrahydrofolylpolyglutamate (MTHF) and 8-hydroxy-5-deazaflavin serve as light-harvesting cofactors in DNA photolyases [18–20] DNA photolyase of E coli...
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Báo cáo khoa học: Adventitious reactions of alkene monooxygenase reveal common reaction pathways and component interactions among bacterial hydrocarbon oxygenases ppt
Ngày tải lên :
16/03/2014, 19:20
... activity was measured as a function of the time between the start of the reaction (addition of NADH) and removal of the alkyne by flushing with nitrogen First-order decay of enzyme activity was observed, ... reaction with the alkyne, at a range of concentrations, in the presence of NADH (100 lm) The decay of enzyme activity as a function of 2667 Adventitious reactions of alkene monooxygenase time was ... underestimated The positive deviation of the latest data points from the extrapolated linear 2663 Adventitious reactions of alkene monooxygenase Fig Kinetics of inactivation of AMO by (A) propyne and (B)...
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Báo cáo Y học: Production and chemiluminescent free radical reactions of glyoxal in lipid peroxidation of linoleic acid by the ligninolytic enzyme, manganese peroxidase pot
Ngày tải lên :
24/03/2014, 04:21
... width of 1.0 mm The wavelength range of the spectrometer was 370– 820 nm Experimental conditions are described in the legend of each figure R E S U LT S Formation of glyoxal in the reaction of linoleic ... products of pentafluorobenzyl oxime [26] (data not shown) The reactions of MnP in four different buffers clearly demonstrate that the formation of glyoxal was significantly stimulated by the presence of ... linoleic Fig Mass chromatograms of PFBO derivatives of products of lipid peroxidation by C subvermipora MnP and soybean lipoxygenase at m/z 181 (A) Products of the oxidation of linoleic acid by MnP in...
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metal catalysed reactions of hydrocarbons fac
Ngày tải lên :
01/04/2014, 10:35
... OF INDUSTRIAL CATALYSTS Lawrie Lloyd METAL-CATALYSED REACTIONS OF HYDROCARBONS Geoffrey C Bond METAL–OXYGEN CLUSTERS: The Surface and Catalytic Properties of Heteropoly Oxometalates John B Moffat ... single set of experimental conditions, where the variable may for example be the addition of an inactive element or one of lesser activity, the particle size or dispersion, the addition of promoters, ... 598 599 599 601 CONTENTS 14.2.3 Reactions of Linear Alkanes with Hydrogen 14.2.4 Reactions of Branched Alkanes with Hydrogen 14.2.5 Reactions of Cyclic Alkanes with Hydrogen...
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The jealous reactions of one person to the success potx
Ngày tải lên :
22/07/2014, 03:21
... both of them were inseparable It so happened that a student from Primary Six needed to be chosen as the assistant secretary of the school’s sports department She was to represent the students of ... four, five and six at any meeting held in preparation of the school’s coming sports meet The teachers had unanimously chosen Diana because of her popularity among the other students Besides, she ... mention of her name made her strain her neck and try to catch a few words from their conversation What a shock she had when she finally pieced the information together Liza was actually jealous of...
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Báo cáo y học: " Pathological studies on postvaccinal reactions of Rift Valley fever in goats" pptx
Ngày tải lên :
12/08/2014, 04:21
... be concluded that the use of live attenuated vaccine of RVF (Smithburn strain) for immunization of live stock in Egypt is danger As the use of live attenuated vaccine of RVF (Smithburn strain) ... degeneration of hepatocytes showing kid Liver of in group-1, animal sacrificed two weeks P.V., Liver of kid in group-1, animal sacrificed two weeks P.V., showing diffuse vacuolar degeneration of hepatocytes ... disconfiguration of the hepatic parenchyma was seen Some bile ducts showed hyperplasia of the epithelial lining Large number of mononuclear cells infiltration was Figure hyperplasia of animal sacrificed...
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Reactions of pyridazine and some gaseous oxides on the GE(100) surface
Ngày tải lên :
08/09/2015, 22:20
... 1.4.3.1 Reactions of halogens 31 1.4.3.2 Reactions of hydrogen halides 32 Reactions of gaseous oxides 32 1.4.4.1 33 1.4.3 1.4.4 Reactions of ... cycloaddition Loscutoff et al studied reactions of isocyanates (R-N=C=O) on Ge(100) The [2+2] cycloaddition of C=N bonds is the minor reaction path way in addition to the major dissociation of R-C ... have conjugated double bonds, the additions of aromatics on Ge(100) are energetic unfavorable due to the loss of resonance energies of aromatic rings Nevertheless, the [4+2] cycloaddition of benzene...
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Inkjet printing of conjugated polymer fullerene solar cell films
Ngày tải lên :
09/09/2015, 10:08
... the original work of LIM GUAN HUI, performed independently under the supervision of Prof Chua Soo Jin and Assoc Prof Peter Ho (in ONDL), Physics Department, National University of Singapore I have ... possible without the unwavering support of my thesis advisors Prof Chua Soo Jin and Prof Peter Ho I also wish to thank Prof Sam Li for kindly agreeing to be the chair of my thesis advisory committee ... illustration of the formation of the π-orbital from the overlapping of the π-bonds 2 Figure 1-3: Illustration of the bonding–antibonding interactions between the HOMO/LUMO levels of...
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Direct asymmetric vinylogous reactions of furanones and phthalide derivatives with bifunctional and trifunctional organocatalysts
Ngày tải lên :
10/09/2015, 08:24
... Table of Contents Summary List of Tables List of Schemes List of Figures List of Abbreviations List of Publications Chapter Introduction 1.1 1.1.1 Introduction 1.1.2 Historical background of organocatalysis ... screening of Michael addition of ketoester to nitrostyrene Table 5.2 Influence of solvent on the Michael addition to nitrostyrene Table 5.3 Screening of other donors for the Michael addition to ... results of the vinylogous Michael addition to chalcone Table 4.5 Solvent and additive screening of the vinylogous Michael addition Table 4.6 Substrate scope of the vinylogous Michael addition...
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Application of conjugated polyelectrolyte in biosensor
Ngày tải lên :
10/09/2015, 15:51
... spectra of and OFP (solid line) in water Figure 7.3 (a) PL intensity of EB at 610 nm as a function of [OFP] for EB/ssDNA/OFP and EB/dsDNA/OFP mixtures upon excitation at 390 nm (b) PL spectra of EB/ssDNA ... and EB/dsDNA in the absence and presence of μM OFP (c) Photographs of the fluorescent solutions of EB/ssDNA and EB/dsDNA in the absence and presence of μM OFP under 365 nm UV radiation [ssDNA or ... specificity of the detection in terms of the complex probe Correlation of the fluorescence intensities as a function of proteins concentration using the spots of 12/ssDNA9-Cy3 reveals a limit of detection...
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Application of conjugated polymers in chemical and biological detections
Ngày tải lên :
11/09/2015, 09:16
... spectra of PFP/PG/DNA with different numbers of mismatched base pairs at 57 oC 63 4.1 (a) Emission spectra of YOYO-1/T24 after addition of different amounts of Hg2+ 75 (b) Emission intensities of ... emission spectra of T24/YOYO-1/Hg2+ in the absence and presence of PFP 80 4.5 (a) Emission spectra of TOTO-1/T24 after addition of different amounts of Hg2+ 82 (b) Emission intensities of TOTO-1/T24 ... Table of Contents ii Summary vi List of Publications viii List of Tables ix List of Figures x List of Schemes Chapter xiv Introduction 1.1 Conjugated polymers 1.2 Conjugated Polymers as Light Harvesting...
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Bicyclic guanidine catalyzed enantioselective allylic addition reactions
Ngày tải lên :
12/09/2015, 09:07
... Table of Contents Summary List of Schemes List of Tables List of Figures List of Abbreviations Chapter Asymmetric Allylic Addition and Substitution reactions -1 1.1 Overview of Enantioselective ... reagents Scheme 1.11 Three types of allylic addition of organometallic reagents to aldehydes Scheme 1.12 Addition of allylsilanes catalyzed by CAB Scheme 1.13 Addition of allylic organometallic reagents ... enantioselective reduction reactions Scheme 3.15 Influence of double bond geometry on the copper catalyzed asymmetric conjugated addition List of Tables Table 1.1 Addition of allylic trichlorosilanes...
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Chiral bicyclic guanidine catalyzed diels alder reactions of anthrones
Ngày tải lên :
12/09/2015, 10:17
... DIELS–ALDER REACTIONS OF ANTHRONES SHEN JUAN 2008 CHIRAL BICYCLIC GUANIDINE CATALYZED DIELS–ALDER REACTIONS OF ANTHRONES SHEN JUAN (BSc., Suzhou University) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF ... of (+)-epiepoformin and (–)-theobroxide Scheme 2.8 Base-catalyzed reactions of N-tosyl-3-hydroxy-2-pyrone Scheme 2.9 Synthetic route of three validamine type compounds Scheme 2.10 Synthesis of ... constants of Et3N catalyzed Diels–Alder reaction of Anthrone Table 3.2 Order of Et3N Table 3.3 VT-NMR Experiments of Et3N catalyzed Diels–Alder reaction of Anthrone Table 3.4 Kinetic study of chiral...
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Nanoscale self assembly of conjugated polyelectrolytes
Ngày tải lên :
14/09/2015, 08:38
... fluorescent sensors, one of the advantages of conjugated polymers is their high sensitivity The principle of enhanced fluorescence quenching of conjugated polymers in the presence of target molecules ... intensity of Av-Fl layer as a function of number of (6F/PSS) bilayers at different concentration of Avidin 139 Figure 6.1: Optical properties of polymers 152 Figure 6.2: Quenching of ... acceptor A extinction coefficient of the acceptor F0 fluorescence of polymer in the absence of quencher F fluorescence of polymer in the presence of quencher n number of fluorene repeat units in chain...
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Organocatalytic reactions of 3 hydroxy 2 pyrone and n arylsulfonyl 3 hydroxy 2 pyridone 1
Ngày tải lên :
14/09/2015, 08:47
... catalyze the Diels-Alder reactions of 3-hydroxy-2-pyrone and electron deficient dienophiles giving cycloadducts in good yields.9 The use of the base varied from a catalytic amount of 0.1 equivalent ... co-workers made use of 2(1H)-pyridones as dienes for the DA reactions with N-phenyl maleimide under neat conditions.14 Thermal conditions were used and there was no investigation of applying a catalyst ... anthrones can behave as dienes and able to take part in DA reactions with several dienophiles.4 However, it was Kagan and Riant who reported the first enantioselective reaction of anthrones catalyzed...
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