Comprehensive Two-Dimensional Gas Chromatography Coupled to Time-of-Flight Mass Spectrometry in Human Metabolomics PDF Download
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Author: Petr Wojtowicz
Publisher:
ISBN:
Category : Science
Languages : en
Pages :
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Book Description
Comprehensive Two-Dimensional Gas Chromatography Coupled to Time-of-Flight Mass Spectrometry in Human Metabolomics.
Author: Petr Wojtowicz
Publisher:
ISBN:
Category : Science
Languages : en
Pages :
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Book Description
Comprehensive Two-Dimensional Gas Chromatography Coupled to Time-of-Flight Mass Spectrometry in Human Metabolomics.
Author: Luke Marney
Publisher:
ISBN:
Category : Chemistry, Analytic
Languages : en
Pages : 153
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Book Description
Two-dimensional gas chromatography coupled with time-of-flight mass spectrometry (GC x GC - TOFMS) is a highly capable instrumental platform that produces complex and information-rich multi-dimensional chemical data. The complex data is computationally overwhelming, especially when many samples are analyzed with multiple injections for each sample. The highly information rich data from GC x GC - TOFMS benefits from elegant and comprehensive target and nontarget algorithmic methods. The development of a novel tile-based Fisher ratio method that greatly decreases the false-positive rate is described thoroughly in this dissertation. Also, the initially application of currently available instrumental and data analysis methods to the optimization of the preparation of mouse heart tissue metabolomics and the investigation of the pathophysiology of pressure overload hypertrophy is described herein. Then, novel algorithmic methods to solve issues seen with the difficult pixel-based analysis are described. Overall, GC x GC - TOFMS and the related data analysis tools investigated here aim to reduce the complex chemical data to glean the most meaningful information from an experiment.
Author: Amanda Elizabeth Moses Sinha
Publisher:
ISBN:
Category : Gas chromatography
Languages : en
Pages : 410
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Book Description
Author: Martin F. Almstetter
Publisher:
ISBN:
Category :
Languages : en
Pages : 294
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Book Description
Author: Kazuki Saito
Publisher: Springer Science & Business Media
ISBN: 3540297820
Category : Science
Languages : en
Pages : 351
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Book Description
Metabolomics – which deals with all metabolites of an organism – is a rapidly-emerging sector of post-genome research fields. It plays significant roles in a variety of fields from medicine to agriculture and holds a fundamental position in functional genomics studies and their application in plant biotechnology. This volume comprehensively covers plant metabolomics for the first time. The chapters offer cutting-edge information on analytical technology, bioinformatics and applications. They were all written by leading researchers who have been directly involved in plant metabolomics research throughout the world. Up-to-date information and future developments are described, thereby producing a volume which is a landmark of plant metabolomics research and a beneficial guideline to graduate students and researchers in academia, industry, and technology transfer organizations in all plant science fields.
Author: Maximilian Karl Jennerwein
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Brooke C. Reaser
Publisher:
ISBN:
Category :
Languages : en
Pages : 172
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Book Description
Gas chromatography is a powerful separation technique that alone, and when coupled with mass spectrometric detection, can provide detailed information regarding the chemical composition of complex mixtures. Advanced chemometric algorithms are often applied to the data generated from these gas chromatographic separations in order to glean additional meaningful information from large and complex data sets. This dissertation presents several research investigations conducted on the development, optimization, application and study of several chemometric algorithms applied to one- and two-dimensional gas chromatography coupled with time-of-flight mass spectrometry (TOFMS). The two-dimensional mass cluster method and principal component analysis (PCA) were applied to a non-targeted investigation of the stable-isotope incorporation of metabolites present in the metabolome of the methylotrophic bacteria Methylobacterium extorquens AM1 using gas chromatography time-of-flight mass spectrometry (GC-TOFMS). The area under the curve (AUC) of receiver operating characteristic (ROC) curves were used as quantitative metrics for the optimization of the tile-based Fisher ratio method using diesel fuel spiked with native and non-native analytes using comprehensive two-dimensional gas chromatography with time-of-flight mass spectrometry (GC × GC – TOFMS). This optimized algorithm was then applied to a process analytical chemistry (PAC) investigation into the source of catalyst yield reduction in an industrial polymerization plant. Finally, a GC-TOFMS simulation-based study determined the chemometric limit of resolution for deconvoluting analytes using multivariate curve resolution alternating least squares (MCR-ALS) and compared the results to expected theory surrounding the probability of peak overlap.
Author: Lourdes Ramos
Publisher: Elsevier
ISBN: 008093269X
Category : Science
Languages : en
Pages : 324
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Book Description
The book reviews the basic concepts and highlights the most relevant advances and developments that have taken place in the field of comprehensive two dimensional gas chromatography (GC x GC) since its introduction in 1991. The several instrumental and technical approaches assayed and developed during these seventeen years and that have contributed to the development of this powerful separation technique and to its increasing application in many areas is explained and comprehensively illustrated through a number of chapters devoted these specific topics. More specialized aspects of the technique, including theoretical aspects, modelization of the chromatographic process, software developments, and alternative couplings is also covered. Finally, special attention is paid to data treatment, for both qualitative and quantitative analysis. This book will be a practical resource that will explain from basic to specialized concepts of GC x GC and will show the current state-of-the-art and discuss future trends of this technique. - Outlines basic concepts and principles of GCxGC technique for non-specialists to apply the technique to their research - Provides detailed descriptions of recent technical advances and serves as an instructional guide in latest applications in GCxGC - Sets the scene for possible future development and alternative new applications of technique
Author:
Publisher: Academic Press
ISBN: 0128137460
Category : Science
Languages : en
Pages : 332
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Book Description
Basic Multidimensional Gas Chromatography is aimed at the next generation of multidimensional gas chromatography users who will require basic training in the fundamentals of both GC and GCxGC. This book fills the current need for an inexpensive, straightforward guidebook to get new users started. It will help new users determine when to add or purchase a multidimensional system and teach them to optimize and maximize the capability of each system. Readers will also learn to select specific modes for each portion of a multidimensional analysis. This ideal resource is a concise, hard-hitting text that provides the facts needed to get users up and running. Provides a comprehensive and fundamental introduction to multidimensional gas chromatography Assists readers in determining when to add or purchase a multidimensional system Explains how a given system can be used to its maximum capacity and how users should choose specific modes for different portions of multidimensional analysis
Author: Xinghua Guo
Publisher: BoD – Books on Demand
ISBN: 9535112279
Category : Science
Languages : en
Pages : 226
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Book Description
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.
