oxidation of alcohols by chromium reagents
Tài liệu Báo cáo Y học: Oxidation of phenols by laccase and laccase-mediator systems doc
... determination of laccase activity Fig Mechanisms of the O2-laccase-HPI (A) and O2-laccaseTEMPO (B) oxidation of substrates 1–5 (Fig 2) The activity of laccase was determined by following the rate of oxidation ... the oxidation reaction Substrate consumption Table summarizes the results of our laccase oxidations of substrates 1–5, and the effect of the cosolvent and of the mediators on the amount of substrate ... could be detected by LC-MS, even though the formation of small amounts of olefinic products is indicated by 1H-NMR spectra also in this case (Fig 4) There is no evidence of oxidation of the internal...
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Báo cáo nghiên cứu khoa học: " EFFECTS OF ULTRASOUND AND MICROWAVE IRRADIATION ON THE GREEN OXIDATION OF ALKYLARENES BY KMnO4/CuSO4 5H2O"ơ ppsx
... in the case of oxidation of 5, the reaction temperature provided by microwave or conventional heating increased the yield of 5b, ii) in case of the oxidation of 4, the assistance of microwave ... molar ratio of substrate, KMnO4, and CuSO4 5H2O was 3:12:24 This ratio, observed again also for the oxidation of indane, confirmed that it was the best molar ratio for the oxidation of alkylarenes ... 9-Fluorenone (8a) Fig Structure of substrates and products in the oxidation of alkylarenes 2.RESULTS AND DISCUSSION The stoichiometric factor investigated on the oxidation of diphenylmethane in two...
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Mild protection of alcohols using thiotetrazole reagents
... Symbols viii List of Tables xiii List of Figures xiv List of Schemes xvi xviii Publications PART-I: Mild Protection of Alcohols using Thiotetrazole Reagents Chapter 1 Mild Protection of Alcohols using ... Figure 3-4: LC-MS profile of a standard mixture of L and D amino acids………60 Figure 3-5: (a) LC-MS profile of the synthetic all L-version of the tetrapeptide (b) LC-MS profile of the natural peptide ... Center, Singapore xviii PART-I MILD PROTECTION OF ALCOHOLS USING THIOTETRAZOLE REAGENTS Chapter-1: Mild Protection of Alcohols using Thiotetrazole Reagents 1.1 Introduction-protecting groups Protecting...
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ADSORPTION AND OXIDATION OF MICROPOLLUATANTS BY MANGANESE OXIDE
... Transformation of citrate by MnO2 19 Figure I.8 – Proposed reaction pathway of oxidation of triclosan by MnO2 [63] 21 Figure I.9 – Proposed Reaction Scheme for Oxidation of FQs by MnO2 ... Impact of NOM on oxidation and hydrolysis of micropollutant by MnO2 Adapted from [119] 34 The presence of soluble NOM was reported to decrease the oxidation rate of several organic contaminants by ... addition of mg L-1 NOM decreased the oxidation rate of Triclosan by 14% and 61% for 15 mg L-1 NOM [63] The presence of 10 mg L-1 humic acid reduced the transformation rate of macrolides by MnO2 by...
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Tài liệu Báo cáo Y học: Progressive apoptosis in chorion laeve trophoblast cells of human fetal membrane tissues during in vitro incubation is suppressed by antioxidative reagents pptx
... glucocorticoid, those of NF-kB and TNFa were at the same level as in the absence of glucocorticoid, those of IL-1b and IL-6 were higher than in the absence of glucocorticoid, and those of Cu/Zn-SOD, ... trophoblast cells induced by TNFa was also suppressed by this lower concentration of glucocorticoid [1] These previous results suggested that the expression of mRNA of inflammatory cytokines and/or ... activation of apoptosis is associated with ROS produced by mitochondria [27], that the generation of ROS in mitochondria was activated by TNFa [28] and that apoptosis could be blocked or delayed by antioxidants...
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Báo cáo khoa học: Enzymatic oxidation of NADP+ to its 4-oxo derivative is a side-reaction displayed only by the adrenodoxin reductase type of ferredoxin-NADP+ reductases potx
... description of this reaction, along with a detailed analysis of the spectroscopic properties of the product of NADP+ oxidation Fig Hypothetical mechanism of the reductive half-reaction of the catalytic ... concentration of 500 lm was fully saturating The initial rate of NADPO formation promoted by AdR was slightly lower (75%) than that of FprA under the same conditions A peculiar feature of the NADP+ oxidation ... role of specific residues of FprA by site-directed mutagenesis On the basis of structural data, Glu214 and His57 of FprA have been proposed to be involved in promoting nucleophilic attack by a...
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Báo cáo khoa học: Microperoxidase 8 catalysed nitrogen oxides formation from oxidation of N-hydroxyguanidines by hydrogen peroxide ppt
... indicated for the oxidation of N-hydroxyguanidines by one-electron oxidants and for the oxidation of benzamidoximes by H2O2 in the presence of HRP [15,37,38] In addition, the formation of intermediate ... after by the addition of catalase Analysis of the reaction mixtures by RP-HPLC using UV-detection revealed a signicant decrease of the amount of starting N-hydroxyguanidine and the formation of ... The oxidation of N-hydroxyguanidine and of NOHA by H2O2 catalysed by MP8 clearly involves an active species derived from the haem of MP8 as metal-free MP8 was inactive It also involves high oxidation...
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Báo cáo khoa học: First evidence of catalytic mediation by phenolic compounds in the laccase-induced oxidation of lignin models ppt
... The radical mechanism of oxidation of a nonphenolic substrate by a laccase->N–OH mediator system [22], it has time to follow an analogous H-abstraction route of oxidation of the nonphenolic substrate ... resulting in an increase of charge transport and therefore of current intensity Effect of the pK2 of the mediator and of solution pH on the laccase-catalyzed oxidation of 4-methoxybenzylalcohol ... rapidly metabolized by the enzyme (undesired routes) In this study, we first investigated the kinetics of oxidation of phenol red by Poliporus pinsitus laccase in the absence of any mediator, and...
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Báo cáo hóa học: " Properties of silicon dioxide layers with embedded metal nanocrystals produced by oxidation of Si:Me mixture" doc
... demonstrated the growth of thin SiO2 layers with embedded metal and metal silicide NCs by the combination of Si:Me mixture by PLD at room temperature and its thermal oxidation By means of this fabrication ... during the oxidation of the Si:Me layer After the oxidation is completed, the sample is still kept at elevated temperature facilitating the coalescence of Me NCs The effect of the oxidation temperature ... http://www.nanoscalereslett.com/content/6/1/148 20 Page of SiPt SiAu 0 oxidation h, 640 oxidation h, 640 18 28 26 16 CSiO , pF oxidation h, 640 C oxidation h, 640 C 30 24 22 14 20 18 12 16 10 14 12...
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The Countess of Escarbagnas by Moliere
... deprive us of the possibility of seeing each other anywhere else, and that neither my brothers nor my father are likely to approve of our engagement VISC Yes; but why not profit better by the opportunity ... inherent to it a certain touch of absurdity which is catching, and we should be warned by the example of some of our friends JU Nonsense, Cléante; I see that, in spite of all you say, you are longing ... that Hotel of Lyons, that Hotel of Holland, what charming places to live in
PHÂN TÍCH DAO ĐỘNG HỆ TRỤC CHÍNH TÀU THỦY BẰNG PHƯƠNG PHÁP PHẦN TỬ HỮU HẠN * VIBRATION ANALYSIS OF PROPULSION SYSTEM OF SHIP BY FINITE ELEMENT METHOD
... William T.Thomson: Theory of Vibration with Applications, Prentice Hall, 1982 M Géradin/D.Rixen: Mechanical Vibrations, Wiley, 1994 C.T.Sun, Y.P.LU: Vibration Damping of Structural Elements, Prentice ... Fundamentals of Mechanical Vibration, NJ, 2001 J S Carlton: Marine Propellers and Propulsion System, Bulterworth Heineman, 1998 Loyd's Register: "Rules and Regulations for The Classification of Ships",...
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Reduction of nitrate by nanoscale zero-valent iron supported on mesoporous silica beads
... regression of the first order kinetic equation This graph is noticed by higher kobs of 0.1619 h-1 in the initial stage of the reaction followed by lower kobs of 0.0122 h-1 The decrease in the value of ... with functional groups for the removal of ammonium which is a possible byproduct of denitrification by ZVI CTAB was dissolved in deionized water The mixture of 3-mercaptopropyltrimethoxy silica ... a faster rate g of the beads in 100 mL of solution with initial nitrate concentration of 30 mg-N/L removed 20 % of the nitrate after h, and stayed at that point during the rest of the reaction...
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Polystyrene (PS) waste plastic conversion into aviation /kerosene category of fuel by using fractional column distillation process
... Journal of Energy and Environment (IJEE), Volume 3, Issue 6, 2012, pp.871-880 polyethylene and most of them is in the form of containers and packaging materials The extent of conversion of plastics ... An interesting method of polymers utilization is cracking, similar to the visbreaking of vacuum residue [8] or catalytic cracking of vacuum gas oil (VGO) in the presence of various zeolites containing ... Application of new fuel produced from waste plastics and heavy oil to diesel engine Transactions of the Japan Society of Mechanical Engineers 2001; 67:2618-24 [2] M Mani, G Nagarajan, Influence of injection...
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Tài liệu The 12 Gifts of Christmas - By Dr. Michael Norwood pdf
... the attractions of the latest toy … the noise of the loudest hawker … the charms of the most alluring seduction? Can it not be that an occasional closing of our eyes and quieting of our minds can ... mean only of our possessions It includes the free sharing of our smiles, our laughter, our words of comfort and our gestures of kindness Rather than seeking to hold and contain, The Gift of Giving ... of being open to all The Gifts of Life results in living a life of Grace This Gift manifests with the simple joy and abundance never farther away than the celebration of the person in front of...
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Foundations of econometrics by oxford press
... called the vector of residuals The sum of the squares of the components of the vector of residuals is called the sum of squared residuals, or SSR Since this sum is a scalar, the sum of squared residuals ... set of all points of A outside this intersection have zero probability The probability of A, conditional on knowing that B has been realized, is thus the ratio of the area of A ∩ B to that of ... horizontal limits of the circle of B are allowed If one computes the area of the part of the circle to the left of a given vertical line, then for each event a ≡ (X ≤ x) the probability of this event...
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The victorious laugh of love, frienship, justice and commonsence in the merchant of venice by shakespeare
... and goods Are by the laws of Venice confiscate unto the state of Venice" ( Act IV , Scene I ) It is clear that Shylock can not cut off the pound of flesh without spilling some of Antonio's blood ... revival of interest in the ancient culture of Greece and Rome "but also "the discovery of the world and humanbeings" More than that, it implies "the awakening of man's mind and capacity, of individual ... of humanists proclaimed the equality of the people regardless of their social origin, race, religion Humanism did away with the dark scholastic teaching of the Middle Ages The development of...
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Tài liệu Development of Observe By WireSystemforForkliftsUsingHapticInterface doc
... regardless to the height of masts, vehicle’s roof as well as intensity of illumination Therefore, the drive could also reduced risk of damaging the load and the warehouse by activating the OBW mode ... operator in term of the sense of touch 2.2 Feedback force implementation: According to previous research [9], [10], the steering system of forklifts is developed Moreover, driving torque of forklift ... accuracy of performances The error is rapidly decreased from 20cm to 2cm in the case of the first subject For the second subject, the errors of two modes are quite similar However, the error of the...
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Tài liệu Creating the value of life - By Fumihiko Iida ppt
... ways of perceiving, of thinking, of understanding and of interacting spring out of the boundaries of ”humanity,” spring out of the boundaries of ”nationhood,” and spring out of the boundaries of ... but also by the results of investigations of children with past life memories, as well as by the results of experiments performed using special medications Of course it is the right of every ... ”reincarnation” and ”the afterlife” are components of ”theories of the meaning of life” essential to basic humanity By so doing, I broke out of the traditional boundary of ”management science” and recklessly...
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A new algorithm for enumeration of minimum cutsets of graph by branch addition
... DEVELOPMENT OF THE BRANCH ADDITION ALGORITHM FOR V NEW ALGORITHM TO CALCULATE MINIMUM CUTSETS GRAPH WITH SOME INPUT NODES Inputs: n: number of graph nodes m: number of input nodes p: number of output ... and output nodes information Output: All minimum cutsets of graph As the algorithm suffices to division of graph by cutset regardless of the input and output nodes, it is possible to have both ... Network's Information m= number of input node p = number of output node n = number of graph's nodes u =0, k=0 u = u+1 The Uth output node is considered as output node of graph to calculate cutset...
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Expansion and its realization in the short story “the law of life” by jack london
... the textual Each of these three metafunctions is about a different aspect of the world, and is concerned with a different mode of meaning of clauses Each of these three kinds of meaning, according ... message of the primary one and expands on it This may be done in one of three ways: by elaborating, by extending, or by enhancing Elaborating means saying the same thing over again, either by direct ... realization of this relation in the short story “The Law of Life” written by the noted American writer Jack London In other words, this chapter will offer an analysis of the story in terms of expansion...
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Tìm thêm: xác định các mục tiêu của chương trình khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo gắn với các giáo trình cụ thể điều tra đối với đối tượng giảng viên và đối tượng quản lí 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 phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ rôto dây quấn 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 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha 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 theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008