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Author : D. F. Goerlitz
Publisher :
ISBN 13 :
Total Pages : 118 pages
Book Rating : 4.:/5 (234 download)
Download or read book Quantitative Determination of the Methyl Esters of Fatty Acids by Gas Chromatography written by D. F. Goerlitz and published by . This book was released on 1961 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert L. Grob, PhD
Publisher : John Wiley & Sons
ISBN 13 : 047165115X
Total Pages : 1059 pages
Book Rating : 4.4/5 (716 download)
Download or read book Modern Practice of Gas Chromatography written by Robert L. Grob, PhD and published by John Wiley & Sons. This book was released on 2004-08-04 with total page 1059 pages. Available in PDF, EPUB and Kindle. Book excerpt: The bible of gas chromatography-offering everything the professional and the novice need to know about running, maintaining, and interpreting the results from GC Analytical chemists, technicians, and scientists in allied disciplines have come to regard Modern Practice of Gas Chomatography as the standard reference in gas chromatography. In addition to serving as an invaluable reference for the experienced practitioner, this bestselling work provides the beginner with a solid understanding of gas chromatographic theory and basic techniques. This new Fourth Edition incorporates the most recent developments in the field, including entirely new chapters on gas chromatography/mass spectrometry (GC/MS); optimization of separations and computer assistance; high speed or fast gas chromatography; mobile phase requirements: gas system requirements and sample preparation techniques; qualitative and quantitative analysis by GC; updated information on detectors; validation and QA/QC of chromatographic methods; and useful hints for good gas chromatography. As in previous editions, contributing authors have been chosen for their expertise and active participation in their respective areas. Modern Practice of Gas Chromatography, Fourth Edition presents a well-rounded and comprehensive overview of the current state of this important technology, providing a practical reference that will greatly appeal to both experienced chomatographers and novices.
Author : R.J. Hamilton
Publisher : Springer Science & Business Media
ISBN 13 : 1461311314
Total Pages : 406 pages
Book Rating : 4.4/5 (613 download)
Download or read book Lipid Analysis in Oils and Fats written by R.J. Hamilton and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the developments in the field of lipid analysis, providing an up-to-date review of the analytical techniques available to chemists and technologists to identify complex molecules. The requisite theoretical background will be provided for individual techniques, together with their strengths and weaknesses, and a guide to the enormous range of commercial applications. It will be an invaluable reference source to all sectors of the oils and fats industry where accurate labeling of foods, food contamination and adulteration are issues of increasing interest and concern.
Author : Xu Zeng
Publisher :
ISBN 13 :
Total Pages : 380 pages
Book Rating : 4.:/5 (956 download)
Download or read book Innovative Multidimensional Gas Chromatography Mass Spectrometry Analysis of Fatty Acids in Complex Sample Matrices written by Xu Zeng and published by . This book was released on 2015 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: The determination and accurate identification of fatty acids (FAs) in biological samples remain challenging due to the complexity of these compounds and confounding sample matrix effects. This thesis highlights a range of method developments and applications using advanced multidimensional gas chromatography (MDGC) and comprehensive two dimensional gas chromatography (GCxGC) techniques, coupled with mass spectrometry (MS) for FA profiling and structural identification.An investigation of appropriate combinations of stationary phases was studied prior to the subsequent multidimensional analytical method development. Recently introduced ionic liquid (IL) capillary GC stationary phases covering a wide polarity range have been evaluated for fatty acid methyl esters (FAMEs) analysis in terms of their elution patterns and retention indices (e,g. ECL) on the IL columns.The performance of a newly proposed integrated GCxGC / heart-cut (H/C) MDGC-FID method for isomeric PUFA separation was then evaluated. As a practical application, abundant long chain UFA isomers with carbon numbers ranging from 18 to 22 in marine oil, as well as a dairy food product, can almost be fully separated by using GCxGC. Additionally, more than 7 other FA compounds were found in the same region by switching the system to H/C MDGC-FID under a modified GC condition. Both these applications employed fast analysis conditions.Next, GCxGC was coupled to the quadrupole-accurate mass time of flight mass spectrometry (QTOFMS). This was done to achieve accurate detection and structural confirmation of individual known or unknown branched FA obtained through predicted empirical formula and accurate mass information. The approach was applied to phospholipid fatty acids (PLFAs) from complex forest soil samples in order to investigate the microbial community. Several high abundance branched hydroxyl- (OH-), iso-/anteiso- and cyclopropyl- (cy-) FAME were clearly determined. Tentative identities of trace level OH-FAME and unusual epoxidised FAME were found according to their predicted empirical formulae and elemental compositions. Epoxidised FA were previously found in the metabolic pathway of a Gram-positive soil bacterium Bacillus megaterium. The findings indicate that this approach has great potential towards fingerprinting and FA biomarker discovery in environmental research. Lastly, comprehensive fast GCxMS with a positive chemical ionisation mode (PCI) was proposed for FA analysis in medical studies. Method performance was evaluated by application to different types of FAs including PUFAMEs and bacterial FAMEs (e.g. branched FAMEs) as well as to real biological samples (e.g. wild type and transgenic mouse brains associated with Alzheimer's disease). Methanol was selected as the most appropriate PCI chemical reagent for total FA profiling. A comparison of both rapid comprehensive GCxPCI-QMS and GCxGC approaches, for fast screening capabilities and the rapid quantitative determination of long chain PUFA isomers in mice brain associated with Alzheimer's disease, was conducted in this study. An evaluation of both methods was based on the comparison of their 2D presentations, calibration linearity and minimum levels of detection. Fast GCxMS data demonstrated the good quantification potential of this approach towards biological FA analysis, especially in medical studies.
Author : Markus R. Wenk
Publisher : Springer
ISBN 13 : 9789400774667
Total Pages : 0 pages
Book Rating : 4.7/5 (746 download)
Download or read book Encyclopedia of Lipidomics written by Markus R. Wenk and published by Springer. This book was released on 2018-07-11 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Encyclopedia of Lipidomics will present a complete overview of the field from fundamentals to new discoveries and from concepts, theories and experimental techniques to clinical and industrial applications. The book will develop with the active involvement of a strong editorial board comprised of leaders from the field. The Encyclopedia of Lipidomics intends to be a comprehensive reference resource serving to bridge the gap between clinical and basic science investigators and provide authoritative and digested information to students, scientists as well as non specialists. The book will have an edge over protocol type of works and databases in terms of having wider coverage through rigorous essays on terms, concepts, experimental and analytical techniques, applications and new challenges. Since lipidomics has strong linkages with several of the other biomedical and life sciences disciplines, the proposed encyclopedia will have a wide audience including graduate students, researchers and different levels of scientists in biomedicine, cellular and molecular biology, bioengineering, physiological and biochemistry, and pharmacology across both academia and industry.
Author : W. W. Christie
Publisher : Elsevier
ISBN 13 : 0857097865
Total Pages : 447 pages
Book Rating : 4.8/5 (57 download)
Download or read book Lipid Analysis written by W. W. Christie and published by Elsevier. This book was released on 2010-01-10 with total page 447 pages. Available in PDF, EPUB and Kindle. Book excerpt: This well-known and highly successful book was first published in 1973 and has been completely re-written in subsequent editions (published in 1982 and 2003). This new Fourth Edition has become necessary because of the pace of developments in mass spectrometry of intact lipids, which has given recognition of lipid analysis and ‘lipidomics’ as a distinct science. To bring the book up to date with these developments, author William W. Christie is joined by co-author Xianlin Han. Although devoting considerable space to mass spectrometry and lipidomics, Lipid analysis remains a practical guide, in one volume, to the complexities of the analysis of lipids. As in past editions, it is designed to act as a primary source, of value at the laboratory bench rather than residing on a library shelf. Lipid analysis deals with the isolation, separation, identification and structural analysis of glycerolipids, including triacylglycerols, phospholipids, sphingolipids, and the various hydrolysis products of these. The chapters follow a logical sequence from the extraction of lipids to the isolation and characterization of particular lipid classes and of molecular species of each, and to the mass spectrometric analysis of lipids and lipidomics. The new influence of mass spectrometry is due mainly to the development of electrospray ionization (ESI) and matrix-assisted laser desorption/ionization (MALDI). Most emphasis in this book is placed on ESI, which is enabling structural characterization of different lipid classes and the identification of novel lipids and their molecular species.
Author : S. Suzanne Nielsen
Publisher : Springer Science & Business Media
ISBN 13 : 1441914633
Total Pages : 150 pages
Book Rating : 4.4/5 (419 download)
Download or read book Food Analysis Laboratory Manual written by S. Suzanne Nielsen and published by Springer Science & Business Media. This book was released on 2010-03-20 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: This second edition laboratory manual was written to accompany Food Analysis, Fourth Edition, ISBN 978-1-4419-1477-4, by the same author. The 21 laboratory exercises in the manual cover 20 of the 32 chapters in the textbook. Many of the laboratory exercises have multiple sections to cover several methods of analysis for a particular food component of characteristic. Most of the laboratory exercises include the following: introduction, reading assignment, objective, principle of method, chemicals, reagents, precautions and waste disposal, supplies, equipment, procedure, data and calculations, questions, and references. This laboratory manual is ideal for the laboratory portion of undergraduate courses in food analysis.
Author : W. W. Christie
Publisher : Elsevier
ISBN 13 : 0857097997
Total Pages : 305 pages
Book Rating : 4.8/5 (57 download)
Download or read book Advances in Lipid Methodology written by W. W. Christie and published by Elsevier. This book was released on 1997-05-01 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the fourth volume of an occasional series of review volumes dealing with aspects of lipid methodology. As with the first three volumes, topics have been selected that have been developing rapidly in recent years and have some importance to lipid analysis. The authors are all leading international experts.Topics covered include: analysis of plant lipoxygenase metabolites, preparative high-performance liquid chromatography of lipids, structural analysis of fatty acids, and analysis of stable isotopes in lipids, among others.
Author : Harry Walthall Jarrett
Publisher :
ISBN 13 :
Total Pages : 46 pages
Book Rating : 4.:/5 (19 download)
Download or read book Gas Chromatography written by Harry Walthall Jarrett and published by . This book was released on 1961 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : O. S. Fatoki
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (593 download)
Download or read book Determination of Fatty Acids and Their Methyl Esters in Surface Waters by Capillary Gas Chromatography written by O. S. Fatoki and published by . This book was released on 1984 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William W. Christie
Publisher : Woodhead Publishing Limited
ISBN 13 :
Total Pages : 328 pages
Book Rating : 4.3/5 (91 download)
Download or read book Gas Chromatography and Lipids written by William W. Christie and published by Woodhead Publishing Limited. This book was released on 1989 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fatty acids and lipids: structures, extraction and fractionation into classes -- Gas chromatography: theoretical aspects and instrumentation -- Preparation of methyl ester and other derivatives -- Gas chromatographic analysis of fatty acid derivatives -- Isolation of fatty acids and identification by spectroscopic and chemical degradative techniques -- Gas chromatography--mass spectrometry and fatty acids -- Gas chromatographic analysis of molecular species of lipids -- Alternative or complementary methods for the analysis of molecular species of lipids -- Some miscellaneous separations of lipids by gas chromatography.
Author : British Standards Institute Staff
Publisher :
ISBN 13 : 9780580955471
Total Pages : 26 pages
Book Rating : 4.9/5 (554 download)
Download or read book Animal and Vegetable Fats and Oils. Gas Chromatography of Fatty Acid Methyl Esters. Preparation of Methyl Esters of Fatty Acids written by British Standards Institute Staff and published by . This book was released on 1917-08-11 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: Animal fats, Animal oils, Vegetable fats, Vegetable oils, Fats, Food testing, Chemical analysis and testing, Determination of content, Fatty acids, Esters (carboxylic), Methyl compounds, Soaps, Esterification, Gas chromatography, Specimen preparation
Author : British Standards Institute Staff
Publisher :
ISBN 13 : 9780580835094
Total Pages : 30 pages
Book Rating : 4.8/5 (35 download)
Download or read book Animal and Vegetable Fats and Oils. Gas Chromatography of Fatty Acid Methyl Esters. Determination by Capillary Gas Chromatography written by British Standards Institute Staff and published by . This book was released on 1915-06-30 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vegetable oils, Vegetable fats, Animal oils, Animal fats, Chemical analysis and testing, Determination of content, Fatty acids, Isomers, Gas chromatography, Chromatography
Author : British Standards Institute Staff
Publisher :
ISBN 13 : 9780580827099
Total Pages : 18 pages
Book Rating : 4.8/5 (27 download)
Download or read book Animal and Vegetable Fats and Oils. Gas Chromatography of Fatty Acid Methyl Esters. Guidelines on Modern Gas Chromatography of Fatty Acid Methyl Esters written by British Standards Institute Staff and published by . This book was released on 1915-01-31 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fats, Animal fats, Vegetable fats, Oils, Animal oils, Vegetable oils, Fatty acids, Methyl compounds, Esters (carboxylic), Chromatography, Gas chromatography, Column chromatography, Determination of content, Chemical analysis and testing, Test equipment, Testing conditions, Resolution, Error correction, Reproducibility
Author : British Standards Institution
Publisher :
ISBN 13 : 9780580192319
Total Pages : 7 pages
Book Rating : 4.1/5 (923 download)
Download or read book Methods of Analysis of Fats and Fatty Oils written by British Standards Institution and published by . This book was released on 1990 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Xinghua Guo
Publisher : BoD – Books on Demand
ISBN 13 : 9535112279
Total Pages : 226 pages
Book Rating : 4.5/5 (351 download)
Download or read book Advances in Gas Chromatography written by Xinghua Guo and published by BoD – Books on Demand. This book was released on 2014-02-26 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: For decades gas chromatography has been and will remain an irreplaceable analytical technique in many research areas for both quantitative analysis and qualitative characterization/identification, which is still supplementary with HPLC. This book highlights a few areas where significant advances have been reported recently and/or a revisit of basic concepts is deserved. It provides an overview of instrumental developments, frontline and modern research as well as practical industrial applications. The topics include GC-based metabolomics in biomedical, plant and microbial research, natural products as well as characterization of aging of synthetic materials and industrial monitoring, which are contributions of several experts from different disciplines. It also contains best hand-on practices of sample preparation (derivatization) and data processing in daily research. This book is recommended to both basic and experienced researchers in gas chromatography.
Author : F. W. Hemming
Publisher : Taylor & Francis
ISBN 13 :
Total Pages : 204 pages
Book Rating : 4.F/5 ( download)
Download or read book Lipid Analysis written by F. W. Hemming and published by Taylor & Francis. This book was released on 1996 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is increasing recognition of the diversity and biological importance of lipids. Lipid modifications of other biological molecules are now also the subject of intense research activity. This 'user-friendly' introduction describes the techniques curre
