screening of natural products
CHEMISTRY OF NATURAL PRODUCTS ppt
... overview of catabolic pathways Metabolism of fatty acids Metabolism of glucose (glycolysis) Conversion of pyruvate to acetyl coenzyme A Anabolism of fatty acids from CH3COSCoA Anabolism of glucose ... Biogenesis of phenols through shikimic acid Biosynthesis of shikimic acid O COO OH + PO PO O OP COO O HO OH OH OH COO HO COO -H2O O OH OH NADPH shikimic acid OH HO OH Biosynthesis of aromatic ... Condensation of isoprene units Formation of acyclic terpenes -H+ OPP OPP OPP H OPP OPP geranyl OPP OPP farnesyl OPP OPP tail-tail dimerization OPP geranylgeranyl OPP squalene Formation of monoterpenes...
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Activity based chemical proteomics profiling of natural products and drug like small molecules
... Table of Contents Page Dedication iii Acknowledgements iv Table of Contents vi Summary x List of Publications xii List of Abbreviations xv List of Figures xxi List of Schemes xxv List of Tables ... 16 1.2.4 Application of ABPP for Target ID of Natural Products Natural products, and their derivatives and mimics, have rendered an enormous contribution to the treatment of diseases such as infentions ... 2.5 Determination of absolute configuration of 2-19 36 Scheme 2.6 Synthesis of 2-3 36 Scheme 3.1 Synthesis of 3-1b-j 60 Scheme 3.2 Synthesis of 3-2b-f 61 Scheme 3.3 Synthesis of 3-3b-c 61 Scheme...
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Synthesis and biological evaluation of natural products and their analogs as new cancer chemotherapeutic agents
... years i TABLE OF CONTENTS TABLE OF CONTENTS ii SUMMARY iv LIST OF TABLES vi LIST OF FIGURES vii LIST OF SCHEMES ix LIST OF ABBREVIATIONS x Chapter 1: Introduction 1.1.1 Overview of Cancer 1.1.2 ... Microbes as Sources of Antitumor Agents 14 1.2.4 Anticancer Drugs from Marine Sources 16 1.2.5 Synthesis of Natural Products 17 1.2.6 Semisynthesis and Total Synthesis of Natural Products 18 1.2.7 ... countries, of the top 50 selling drugs sold in pharmacies, half of them are based on or derived from natural products. 50,51 Since the 1950s, natural products have attracted the interests of numerous...
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Applications of capillary electrophoresis in the analysis of natural products
... effective components in natural products Hence, the major aim of this thesis is to expand the analytical applicability of CE in the analysis of natural products The range of natural products is quite ... used for the separation of different groups of alkaloids 1.3 Scope of the research Natural products are interesting to researchers because of their inestimable potential to offer a vast and virtually ... the development of pharmaceutical industry relies closely on the understanding of natural products Plenty of drugs, such as Penicillin, taxal, morphine, were developed from natural products The...
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Chemistry of calophyllum wallichianum, scapania undulata, plagiochila colorans and biotransformation of natural products
... N H N O HO (42) CNS 2013 1.3 Biosynthesis of Natural Products There are a huge number of natural products in nature, and they differ greatly in terms of their structures, characteristics and functions ... 1.1 Introduction 1.2 Natural Products 1.3 Biosynthesis of Natural Products 1.4 Natural Products in Modern Drug Discovery Chapter Chemistry of Calophyllum wallichianum 12 14 2.1 Introduction 14 ... Data of the Small Scale Trial Experiments List of Figures Figure 2-1 Relative stereochemistry of ring D fragment of 63 Figure 2-2 Key HMBC correlations of compound 74 Figure 2-3 ORTEP diagram of...
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synthetic applications of 1,3 dipolar cycloaddition chemistry toward heterocycles and natural products
... inhibitors of the biosynthesis of chitin, a major structural component of the cell wall of most fungi (Scheme 1.2) Merino and co-workers (38,39) reported the total synthesis of (þ)-polyoxin J 1b and of ... and asymmetric versions of these dipolar cycloadditions represent an entirely new aspect of the current reference work In recent years, numerous natural and unnatural products have been prepared ... HETEROCYCLES AND NATURAL PRODUCTS This is the fifty-ninth volume in the series THE CHEMISTRY OF HETEROCYCLIC COMPOUNDS The Chemistry of Heterocyclic Compounds, Volume 59: Synthetic Applications of 1,3-Dipolar...
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Báo cáo hóa học: " Natural products that reduce rotavirus infectivity identified by a cell-based moderate-throughput screening assay" pot
... further because of prior reports of their effects on components of innate immune signaling pathways [15-17] A time-course and dose-response of each compound were established in the immunofluorescent ... resurgence of interest in natural products as drug candidates for a variety of reasons including increased interest in infectious disease prevention and therapy, a lower percentage of chemical ... and absorption, and the propensity of natural products to act by affecting protein-protein interactions [18] Important for the studies described here, natural products are known to modulate immune...
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Báo cáo y học: "Safety and anti-HIV assessments of natural vaginal cleansing products in an established topical microbicides in vitro testing algorith" ppsx
... responsible for the loss of viability of vaginal cells and Lactobacillus species [17,18] Page of 13 The present study focuses on a comprehensive assessment of the use of natural and neutralized ... of replicate experiments are presented The number of experiments performed (n) is indicated within each figure for the pH neutralized products (*) and natural products (#) The concentration of ... http://www.aidsrestherapy.com/content/7/1/22 Page of 13 exposure of the cells to the cytotoxic effects of naturally acidic juice outweighs any potential antiviral benefits This suggests that following vaginal application of lemon or...
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Báo cáo y học: "Molecular targets of natural health products in arthritis" pps
... Aggarwal BB: Natural products as a gold mine for arthritis treatment Curr Opin Pharmacol 2007, 7:344-351 doi:10.1186/ar3222 Cite this article as: Khalifé S, Zafarullah M: Molecular targets of natural ... Nakamura K, Chung UI, Kawaguchi H: Contribution of runt-related transcription factor to the pathogenesis of osteoarthritis in mice after induction of knee joint instability Arthritis Rheum 2006, ... Hadipour-Jahromy M, Mozaffari-Kermani R: Chondroprotective effects of pomegranate juice on monoiodoacetate-induced osteoarthritis of the knee joint of mice Phytother Res 2010, 24:182-185 Ahmed S: Green tea...
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Investigating the Biosynthetic Pathway of Polyacetylenic Natural Products in Fistulina hepatica and Echinacea purpurea
... GC/MS Analysis of Yeast Lipids 24 2.2.5 Isolation and NMR Analysis of Fatty Acid Natural Products 25 2.2.5.1 Purification of Natural Products ... could contribute to the large diversity of acetylenic natural products 1.7 Acetylenic Natural Products Acetylenic natural products are metabolites that contain a carbon-‐carbon ... gas flow rates of 1.9 mL/min 25 2.2.5 Isolation and NMR Analysis of Fatty Acid Natural Products 2.2.5.1 Purification of Natural Products FAMEs were...
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Acetic Acid Bacteria - screening of LAB strains
... classification of LAB as Gram-positive, catalase negative and oxidase negative [21] Classification of the isolates led to identification of species The frequency of occurrence of lactic acid ... could be due to the fact that majority of the substrate used in the preparation of the fermented foods are of plant origin The identification of different types of LAB species in the present study ... on the occurrence of lactic acid bacteria spectrum, L plantarum constituted the highest number of LAB isolated from fermented plant materials The involvement of various types of LAB in fermented...
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Screening of PHA-Producing Bacteria Using Biodiesel- Derived Waste Glycerol as a Sole Carbon Source
... Thailand Each liter of MSM contained 6.7 g of Na2HPO4·7H2O, 1.5 g of KH2PO4, 1.0 g of (NH4)2SO4, 0.2 g of MgSO4·7H2O, 60 mg of ferrous ammonium citrate, 10 mg of CaCl2·2H2O, and mL of trace-element ... of trace-element solution Each liter of trace-element solution contained 0.3 g of H3BO3, 0.2 g of CoCl2·6H2O, 0.1 g of ZnSO4·7H2O, 30 mg of - 374 - Journal of Water and Environment Technology, ... One milliliter of chloroform was added and incubated at 65ºC for hours Chloroform solution of 0.1 - 0.5 mL volume was transferred to a clean test tube, was evaporated and then mL of concentrated...
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Case Study - PBE - Ministry of Natural Resource, Mining & Energy
... network of computers, printers and telephones within the Townsville office To date NRM&E have been extremely happy with the KRONE product’s performance Mr Bedson, said, “The appearance of the ... Department’s IT staff The installation commenced under the guidance of a detailed project plan divided into individual stages Level of the Townsville building was completed first to ensure all network ... approximately 30,000 metres of Category UTP cable and 15 300 pair HIGHBAND 25 kits The project ran smoothly and the Department were particularly impressed by the on-site supervision of the contracted installers...
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Risks Involved in the Use of Herbal Products
... and free radicals, they are often misled by claims of superior antioxidant activity of different products, which are usually based only on testing of a limited spectrum of antioxidant activities ... Administration (FDA) and major manufacturers of ephedra-containing products not become the targets of growing numbers of consumer complaints in the late 1990s Reports of adverse events, including serious ... about the safety of ephedra and ephedrine products In response to the reporting of these studies, the federal government quickly moved to propose stricter labeling of ephedra products and solicited...
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Analysis, sequencing and in vitro expression of PCR products
... due to similar band intensities or due to the presence of a smear of DNA amplification products Smearing of DNA amplification products is most often associated with nonspecific primer annealing conditions, ... verification of product identity Some combination of approaches may be required in difficult cases Of course the most definitive confirmation of identity of a PCR product is determination of its DNA ... products These approaches offer high sensitivity allowing detection of products at levels of around 10 pg One approach (Hybrid Capture® Technology, Digene Diagnostics Inc.) involved the use of...
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Purification and cloning of PCR products
... range of vectors are available from molecular biology reagent suppliers that: allow cloning of restriction digested PCR products; allow efficient blunt-end cloning of proofreading enzyme products; ... PCR products with terminal restriction sites added by PCR primers Blunt-end polish then ligate PCR products Restriction digestion of concatamers of PCR products Figure 6.1 Concatemerization of ... TA-vector Figure 6.3 TA cloning of PCR-amplified products The use of Taq DNA polymerase leads to the nontemplate-directed addition of a dA at the 3′-ends of the product These products can be ligated into...
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Tài liệu ANALYSIS OF FOOD PRODUCTS doc
... criteria for this type of test are often the accuracy of the measurements and the use of an official method The government has recently carried out a survey of many of the official analytical techniques ... apples, potatoes, bottles of ketchup, containers of milk etc An example of interunit variation would be a box of oranges, some of good quality and some of bad quality An example of intra-unit variation ... Chemistry of Foods C.S James, Blackie Academic and Professional 1.3.2 Tabulated Official Methods of Analysis A number of scientific organizations have been setup to establish certain techniques as official...
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Tài liệu CONSUMER PREFERENCE AND CONSUMPTION OF ORGANIC PRODUCTS IN THE EASTERN CAPE PROVINCE OF SOUTH AFRICA docx
... awareness of organic products The results of the logistic regression that estimates consumer awareness of organic products are presented in Table below The results of the omnibus test of model ... organic products after learning what organic products are This is an indication that the consumption of organic products is closely related to consumer awareness and knowledge of organic products ... between organic products of today and the future in the Transkei 200 150 100 Sugar products Baby Products Textiles products 50 Fresh vegetables Fresh fruits Herbs and spices Milk and milk products...
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