new brønsted ionic liquids synthesis thermodinamics and catalytic activity in aldol condensati
Báo cáo khoa học: A new approach for distinguishing cathepsin E and D activity in antigen-processing organelles pdf
... specific inhibitor of CatE, the Ascaris pepsin Determination of cathepsin E and D activity inhibitor, which inhibits pepsins and CatE [33], but does not affect other types of aspartic proteinases including ... brain [23] CatE and CatD both play an important role in the MHC class II pathway CatD is reported to be involved in processing MHC II-associated invariant chain [24] in antigen processing and ... the quenching efficiency is decreased, resulting in an increase in fluorescence The activity determined in subcellular fractions was completely inhibited by pepstatin A Therefore, this activity...
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Báo cáo khoa học: A single intersubunit salt bridge affects oligomerization and catalytic activity in a bacterial quinone reductase pptx
... salt-bridges in the YhdA tetramer One dimer is formed by the green and magenta chains; the second by the pink and blue chains variants have a melting point similar to the wild-type protein, suggesting ... present as tetramers showing packing similar to the wild-type protein (Fig 6) Interestingly, inverting the position of the interaction partners in the K109D ⁄ D137K protein variant does not rebuild ... crystal structure In addition, the stabilizing interactions of the lysine with the carbonyl groups in the glycine rich loop in the neighbouring protomer are not formed (Fig 5) Accordingly, pisa analysis...
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Báo cáo hóa học: " Preparation of Pt Ag alloy nanoisland/graphene hybrid composites and its high stability and catalytic activity in methanol electro-oxidation" potx
... in the taking of SEM images PH participated in the taking of TEM images XW, CZ, JZ participated in the discussion of this research DC and SG participated in the design of the study and gave instruction ... by supplying an oxygen source (Ag-OHad) Among the five test samples shown in Figure 4, the sample graphene/Au@Pt0.64Ag0.36 NRs had the highest catalytic activity To gain more insights into the ... It indicated that alloying with Ag can greatly improve the poisoning effect of Pt As Ag content increased, anti-poisoning effect enhanced, but the catalytic activities decreased The electrocatalytic...
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Báo cáo vật lý: "Synthesis, Characterisation and Catalytic Performance of Porous Nafion Resin/Silica Nanocomposites for Esterification of Lauric Acid and Methanol" potx
... would eliminate final ester contamination and minimise effluent problems.3 Nafion resin is quickly gaining popularity for use in esterification reactions.4,5 Nafion resin, which is perfluorinated ... neutralisation with alkali In general, the process efficiency is less than 96%, and the neutralisation step creates a waste disposal problem.3 There is now increasing interest in finding new alternative ... 24 h Six different Nafion resin composites (containing 5, 13, 20, 40 and 60 wt% Nafion resin) were prepared by varying the weights and ratio of the Nafion resin and TEOS Hereafter, the nanocomposites...
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SYNTHESIS, STRUCTURE AND CATALYTIC APPLICATION OF NOVEL CARBENE COMPLEXES WITH BENZOTHIAZOLIN 2 YLIDENE LIGANDS 1
... observed Heck Reaction in Ionic Liquids Heck Reaction in DMA or DMF Arylation of Allylic Alcohols in Ionic Liquids N S I Pd I 1.45 S N Arylation of -substituted Acrylates in Ionic Liquids Carbonylation ... auxiliary ligands (phosphine, aromatic N-heterocycle, pyridyl- and azole ligands) and their use in catalysts in Mirozoki-Heck and Suzuki-Miyaura reactions This work also includes the catalytic annulation ... imidazolin-2-ylidene ligands in Cr, Mo and W complexes 80(a),121 to a Pd(II) complex 19 Synthesis, Structure and Catalytic Application of Novel Carbene Complexes with Benzothiazolin-2-ylidene Ligands...
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SYNTHESIS, STRUCTURE AND CATALYTIC APPLICATION OF NOVEL CARBENE COMPLEXES WITH BENZOTHIAZOLIN 2 YLIDENE LIGANDS 2
... mean to minimize 47 Synthesis, Structure and Catalytic Application of Novel Carbene Complexes with Benzothiazolin-2-ylidene Ligands Chapter two: Results and Discussion Part I interligand interactions ... 42 Synthesis, Structure and Catalytic Application of Novel Carbene Complexes with Benzothiazolin-2-ylidene Ligands Chapter two: Results and Discussion Part I 2.3 Synthesis of Mono-, Bis- and Dinuclear ... centers is coordinated by one carbene, one terminal bromo, and two bridging µ48 Synthesis, Structure and Catalytic Application of Novel Carbene Complexes with Benzothiazolin-2-ylidene Ligands Chapter...
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SYNTHESIS, STRUCTURE AND CATALYTIC APPLICATION OF NOVEL CARBENE COMPLEXES WITH BENZOTHIAZOLIN 2 YLIDENE LIGANDS 3
... trans-diiodo(3-isopropylbenzothiazolin-2-ylidene)(2aminopyridine)palladium(II), 2.19 A mixture of 2.17 (110 mg, 0.10 mmol) and 2-aminopyridine (19 mg, 0.20 mmol) was suspended in CH2Cl2 (5 mL) and stirred overnight ... was obtained Yellow single crystals of 2.24 were obtained from a diffusion of 183 Synthesis, Structure and Catalytic Application of Novel Carbene Complexes with Benzothiazolin-2-ylidene Ligands ... lattice parameter determination and polarization effects were performed with the SMART suite programs.286 The integration of intensity of reflections and scaling was performed by SAINT The empirical...
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SYNTHESIS, STRUCTURE AND CATALYTIC APPLICATION OF NOVEL CARBENE COMPLEXES WITH BENZOTHIAZOLIN 2 YLIDENE LIGANDS 4
... differ in the 211 Chapter Four Conclusion and Summary phenyl ring orientation and significantly on the inter-planar angle between the Pt coordination and the heterocycle planes Finally, the five- and ... diffraction reveals the NSHC ligand to be trans to the nitrogen in 2-phenylpyridine (2.39(a) and 2.39(b)) while the NNHC ligand is trans to the carbon in 2phenylpyridine (2.40) These compounds are ... bearing the 3-benzylbenzothiazolin-2- ylidene ligand Chapter Two, Part III, Section 2.10 discusses some unexpected findings on the reaction of benzothiazolium salts with Ag2O Some oxidation and...
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Báo cáo khoa học: Improving thermostability and catalytic activity of pyranose 2-oxidase from Trametes multicolor by rational and semi-rational design pdf
... not determined 60 C 70 C 75 C Variant Inactivation constant kin,1 (min)1) Inactivation constant kin,2 (min)1) Half-life s1 (min) Inactivation constant kin (min)1) Half-life s1 (min) Inactivation ... 1,4benzoquinone] using both d-glucose and d-galactose as the saturating substrate The data obtained are summarized in Tables and Replacing Leu537 with either Trp or Gly resulted in a signicant increase ... different single mutations on thermostability and catalytic activity Again, DNA 778 C D Fig Ribbon drawings showing the position 537 at the A C interface The A and C subunits are colored yellow and...
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Báo cáo khoa học: Replacement of two invariant serine residues in chorismate synthase provides evidence that a proton relay system is essential for intermediate formation and catalytic activity docx
... double-mutant protein, in contrast to the single-mutant proteins (Ser16Ala and Ser127Ala) is not capable of forming the flavin-derived intermediate The decay rate of the intermediate in a singleturnover ... is in the direct vicinity of the N(5) atom of the isoalloxazine ring system and a likely candidate in a position for the abstraction of hydrogen from the substrate Single-mutant proteins in which ... EPSP] In order to probe the pertinent role of the Ser16 and Ser127 residues, we generated two single-mutant proteins where the two serine residues were replaced with alanine, producing two single-mutant...
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Báo cáo khoa học: Characterization of structural and catalytic differences in rat intestinal alkaline phosphatase isozymes pdf
... containing mm Zn and mm Mg inhibited the duodenal AP activity by 41% and the hPLAP activity by 33% Under metalfree conditions, with no metals in the samples or in the assay buffer, the AP activity ... Kantrowitz ER (1993) Conversion of a magnesium binding site into a zinc binding site by a single amino acid substitution in Escherichia coli alkaline phosphatase J Biol Chem 268, 21497–21500 44 ... human foetal intestinal alkaline phosphatase Comparison with the isoenzymes from the adult intestine and human tumour cell lines Biochem J 211, 553–558 36 Smans KA, Ingvarsson MB, Lindgren P, Canevari...
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Báo cáo khoa học: Expression, purification and catalytic activity of Lupinus luteus asparagine b-amidohydrolase and its Escherichia coli homolog potx
... potassium-independent asparaginases in plants Materials and methods Bacterial strains, plasmids, and media The sequence encoding LlA was obtained from a cDNA library from yellow lupin roots infected ... example for protein synthesis during seed storage and during sulfur deprivation The studies of Parry and Clark suggest that the iaaA gene product in E coli could be involved in glutathione transport, ... Reactions of Pseudomonas 7A glutaminase-asparaginase with diazo analogues of glutamine and asparagine result in unexpected covalent inhibtions and suggests an unusual catalytic triad ThrTyr-Glu Biochemistry...
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New common sense family planning policy and sex ratio in viet nam
... ultimately included Vo Cuong urban commune, Bac Ninh city in Bac Ninh province, Tuy Phuoc town in Binh Dinh, and Thach Xa rural commune and Thach That district in Ha Tay province In each locality, ... New “Common Sense”: Family-Planning Policy and Sex Ratio in Viet Nam Findings from a qualitative study in Bac Ninh, Ha Tay and Binh Dinh By The Institute for Social Development ... above, the three provinces selected for study are Bac Ninh and Ha Tay in the Red River Delta and Binh Dinh in the South Central Coast of Viet Nam 2.3.1 Bac Ninh Bac Ninh province is located to...
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PetroleumThermal and catalytic processes in petroleum refining 2003
... mechanical, including photocopying, microfilming, and recording, or by any information storage and retrieval system, without permission in writing from the publisher Current printing (last digit): 10 PRINTED ... by calculating just one point for any other pressure Thus, the whole family of lines may be obtained by selecting a pressure of bar for the determining one point on each straight line and a pressure ... advance continuing developments in processing methods I am thankful to Mr Gavril Musca and Dr Grigore Pop for their help in creating this book My special gratitude goes to Prof Sarina Feyer-Ionescu,...
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Activism, academia, and new technologies the complicities of theorised and mobilised resistances in the globalising discourses of speed
... violent and oppressive technocratic neo-liberalism and the partially liberating (left-wing or feminist) humanist appropriation of these technologies actually go hand in hand, in an ever faster and ... marginality’ For instance, Spivak, in the interview with Elizabeth Grosz entitled “Criticism, Feminism, and The Institution,” interestingly talks about the turn of the nonWest towards the West in ... suggesting and the entanglement with 31 technologies these complicities involve, through bringing up the concept and the technique of memory and archiving In the first chapters of Monolingualism,...
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Tài liệu Sport and Physical Activity in Children with Congenital Heart Disease ppt
... surgery/interventions (including ablations) 1.1 Without remaining findings (complete correction) 1.2 With minimal findings 1.3 With clinically significant findings 1.4 After palliative interventions: ... expected in this setting Recommended types of exercise include interval training at moderate intensity, e.g., ball games and running games, or moderate stamina training Their afterload reducing effect ... forms of exercise and games in childhood Types of exercise with a high dynamic/low static component Running, skipping, jumping, cycling, swimming, inline skating, skateboarding, running games, ball...
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Báo cáo khoa học: Ixocarpalactone A isolated from the Mexican tomatillo shows potent antiproliferative and apoptotic activity in colon cancer cells pot
... chemopreventive agents, including resveratrol [26,27], brassinin [28,29], and deguelin [30,31] Resveratrol is present in grapes, red wine and peanuts, brassinin is from Chinese cabbage, and deguelin is from ... apoptosis in SW480 human colon cancer cells To investigate the effects of IxoA on apoptosis, we 5720 used acridine orange ⁄ ethidium bromide staining and DAPI staining and found a marked increase in ... slides, fixed in formalin and methanol, and stained with DAPI Stained nuclei were visualized using a fluorescent microscope Blebbing of the membrane, chromatin aggregation, and nuclear condensation...
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Báo cáo khoa học " Cordyceps militaris polysaccharides can enhance the immunity and antioxidation activity in immunosuppressed mice " pptx
... with 10% newborn bovine serum (Invitrogen Corp., Carlsbad, CA, USA), 100 U/ml streptomycin, and 100 U/ml penicillin Spleen cells (100 l/well) were seeded into a 96-well plate containing ConA ... immune organs In line with the usage of Cordyceps in China, Chinese medicines are strongly recommended for the ageing population to enhance their immune system and prevent possible infection Immunostimulation ... promote the mRNA and protein expressions of inducible nitric oxide synthase, induce T-lymphocyte proliferation and the secretion of IL-2, IL-6, and IL-8, and increase the phagocytic and enzymatic...
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Báo cáo toán học: "A note on major sequences and external activity in trees" pdf
... Trees T1 and T2 obtained in Step of the bijection The relabelings T1 and T2 obtained in Step are shown in Figure The vertex r in r r r r r r r r r T1 T2 Figure 5: Trees T1 and T2 obtained in Step ... Stanley for encouraging us to work on this problem, and for providing us with valuable references References [1] J S Beissinger On external activity and inversions in trees J Combin Theoy Ser B, ... from to n in T Deleting this edge leaves two subtrees: T1 with l vertices including 0, and T2 with n + − l vertices including r Relabel the vertices of T1 as 0, , l − 1, preserving their...
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Tìm thêm: xác định các mục tiêu của chương trình xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng 9 tr 25