Characterization Of Odorant Patterns By Comprehensive Two Dimensional Gas Chromatography

Author : Anonim
Publisher : Elsevier
Page : 444 pages
File Size : 51,6 Mb
Release : 2022-02-16
Category : Science
ISBN : 9780323988827

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Characterization of Odorant Patterns by Comprehensive Two-Dimensional Gas Chromatography by Anonim Pdf

The volume has as primary focus multidimensional gas chromatography (heart-cutting systems, comprehensive 2D-GC systems and hybrid solutions) and its characteristic features for in depth investigation of complex fractions of odor-active volatiles. Contributions, from outstanding researchers in the field from Academia and industry, cover fundamentals aspects on the physiology of olfaction, the strategies to identify key-odorants from the bulk of detectable volatiles (sensomics), the principles of operation of multidimensional analytical platforms (i.e., comprehensive two-dimensional gas chromatography – GC×GC; heart-cut 2D-GC, hybrid systems), and the fundamental role of mass spectrometry in providing reliable and informative data. Insights on new systems design and configurations are also provided, including sample preparation and data processing strategies, as important steps of the whole analytical process. Real-world examples cover food volatiles, complex aroma mixtures, odors emitted from industrial plants, volatiles of interest in forensic and medical applications. Providing insights on fundamental aspects and advances in analytical platforms design and work-flows implementation for volatiles and odorants patterns detection in key-application areas Up-dates on the most modern and advanced solutions to isolate, detect and characterize complex odorant patterns by multidimensional analytical techniques Critical overview on main application areas where odors have a key-information role: food aroma and flavor industry, industrial environments, forensic and clinical applications

Author : Anonim
Publisher : Academic Press
Page : 332 pages
File Size : 47,8 Mb
Release : 2020-03-20
Category : Science
ISBN : 9780128137468

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Basic Multidimensional Gas Chromatography by Anonim Pdf

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 : Yolanda Pico
Publisher : Academic Press
Page : 918 pages
File Size : 53,7 Mb
Release : 2020-06-16
Category : Technology & Engineering
ISBN : 9780128132678

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Chemical Analysis of Food by Yolanda Pico Pdf

Chemical Analysis of Food: Techniques and Applications, Second Edition, reviews the latest technologies and challenges in all stages of food analysis, from selecting the right approach, how to perform analytic procedures, and how to measure and report the results. The book is structured in two parts: the first describes the role of the latest developments in analytical and bio-analytical techniques, with the second reviewing innovative applications and issues in food analysis. The techniques discussed range from the non-invasive and non-destructive, such as infrared spectroscopy and ultrasound, to newly emerging areas, such as nanotechnology, biosensors and electronic noses and tongues. This thoroughly updated edition includes new chapters on ambient mass spectrometry, imaging techniques, omics approaches in food analysis, natural toxins analysis, food contact materials, nanomaterials and organic foods. All chapters are updated or rewritten to bring the content completely up-to-date. Reviews the attributes, benefits, limits and potential of all relevant analytic modalities, including spectroscopy, ultrasound and nanotechnology applications Provides in-depth coverage of each technology, including near-infrared, mid-infrared, and Raman spectroscopy, low intensity ultrasound, microfluidic devices and biosensors, electronic noses and tongues, mass spectrometry and molecular techniques Outlines practical solutions to challenging problems in food analysis, including how to combine techniques for improved efficacy Covers all relevant applications of food analysis, such as traceability, authenticity and fraud, biologically-active food components, novel food and nutritional supplements, flavors and fragrances, and contaminants and allergens Provides researchers with a single source of current research and includes contributions from internationally renowned experts in food science and technology and nutrition

Author : Valerio Cristofori,Shawn A. Mehlenbacher,Roberto Botta,Mercè Rovira,Thomas James Molnar
Publisher : Frontiers Media SA
Page : 358 pages
File Size : 47,9 Mb
Release : 2023-02-08
Category : Science
ISBN : 9782832513644

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Recent advances in hazelnut (corylus spp.) by Valerio Cristofori,Shawn A. Mehlenbacher,Roberto Botta,Mercè Rovira,Thomas James Molnar Pdf

Author : J. Ben Lawlor,Jean A. McEwan,David Labbe
Publisher : Elsevier
Page : 310 pages
File Size : 41,5 Mb
Release : 2023-07-26
Category : Technology & Engineering
ISBN : 9780323952262

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Digital Sensory Science by J. Ben Lawlor,Jean A. McEwan,David Labbe Pdf

Digital Sensory Science: Applications in New Product Development provides a comprehensive overview of digital sensory science, an area that has broadly been defined as the use of technology to capture or model human sensory perception. This book provides methods on how to best recruit and train sensory panels, suggestions for data capture and data analysis, an overview of sensory science instruments, and information on the use and relevance of virtual and augmented reality to capture sensory perception. This book offers practical guidance to researchers in and practitioners of sensory and consumer science alike. Explores how technologies create further opportunities around the use of sensory panels, instrumentation and flavor, biometrics and implicit measures, immersion and context, and communication of sensory findings Presents these opportunities with case studies Provides guidance for both researchers and practitioners of sensory science in a digital age

Author : National Academies of Sciences, Engineering, and Medicine,Division on Earth and Life Studies,Board on Chemical Sciences and Technology,Committee on a Research Agenda for a New Era in Separation Science
Publisher : National Academies Press
Page : 115 pages
File Size : 45,8 Mb
Release : 2019-09-30
Category : Science
ISBN : 9780309491730

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A Research Agenda for Transforming Separation Science by National Academies of Sciences, Engineering, and Medicine,Division on Earth and Life Studies,Board on Chemical Sciences and Technology,Committee on a Research Agenda for a New Era in Separation Science Pdf

Separation science plays a critical role in maintaining our standard of living and quality of life. Many industrial processes and general necessities such as chemicals, medicines, clean water, safe food, and energy sources rely on chemical separations. However, the process of chemical separations is often overlooked during product development and this has led to inefficiency, unnecessary waste, and lack of consensus among chemists and engineers. A reevaluation of system design, establishment of standards, and an increased focus on the advancement of separation science are imperative in supporting increased efficiency, continued U.S. manufacturing competitiveness, and public welfare. A Research Agenda for Transforming Separation Science explores developments in the industry since the 1987 National Academies report, Separation and Purification: Critical Needs and Opportunities. Many needs stated in the original report remain today, in addition to a variety of new challenges due to improved detection limits, advances in medicine, and a recent emphasis on sustainability and environmental stewardship. This report examines emerging chemical separation technologies, relevant developments in intersecting disciplines, and gaps in existing research, and provides recommendations for the application of improved separation science technologies and processes. This research serves as a foundation for transforming separation science, which could reduce global energy use, improve human and environmental health, and advance more efficient practices in various industries.

Author : Peng Wang,Yu-Chung Chang ,Dandan Pu
Publisher : Frontiers Media SA
Page : 149 pages
File Size : 55,9 Mb
Release : 2024-05-03
Category : Medical
ISBN : 9782832548783

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Nutrition and Flavor During Food Processing: Change Patterns and Mechanisms by Peng Wang,Yu-Chung Chang ,Dandan Pu Pdf

Food consumption is leaning toward products that provide both nutritional value and good flavor. In recent years, researchers have focused on how to scientifically analyze and evaluate foods’ nutritional and flavor qualities under different processing methods or parameters by various effect relationship analysis tools to investigate the internal relations between nutrients and flavor substances. However, during food processing, some unstable components may undergo degradation, volatilization, or secondary reactions due to changes in temperature, pressure, humidity, pH, etc., resulting in challenging research work with complex data variations in multiple dimensions.

Author : Kliti Grice
Publisher : Royal Society of Chemistry
Page : 412 pages
File Size : 41,5 Mb
Release : 2014-09-30
Category : Science
ISBN : 9781849736497

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Principles and Practice of Analytical Techniques in Geosciences by Kliti Grice Pdf

This book presents a comprehensive overview of the latest developments in chemical detection science in the field of Geoscience, written for both postgraduates and professional researchers.

Author : Leo M. L. Nollet,Robert Winkler
Publisher : CRC Press
Page : 462 pages
File Size : 40,8 Mb
Release : 2022-03-21
Category : Technology & Engineering
ISBN : 9781000539257

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Mass Spectrometry in Food Analysis by Leo M. L. Nollet,Robert Winkler Pdf

The quality and safety of food are crucial for human nutrition. However, evaluating the chemical composition of food is challenging for the analyst and requires powerful methods. Chromatography and mass spectrometry (MS) is the gold standard for analyzing complex food samples, including raw materials and intermediate and finished products. Mass Spectrometry in Food Analysis covers the MS-based analysis of different aspects of food quality, which include nutritional value, profile of macronutrients (proteins, lipids, and carbohydrates), micronutrients (vitamins), and nutraceutical active compounds. Additionally, sensory quality, flavor, food pigments, safety, and detection of pesticides, contact materials, veterinary drugs and pharmaceuticals, organic pollutants, and pathogens are covered. Key Features: Contains the basics of mass spectrometry and experimental strategies Explores determination of macro- and micronutrients Analyzes sensory and nutraceutical food quality Discusses detection of contaminants and proof of authenticity Presents emerging methods for food analysis This book contains an introductory section that explains the basics of MS and the difference between targeted and untargeted strategies for beginners. Further, it points out new analytical challenges, such as monitoring contaminants of emerging concern, and presents innovative techniques (e.g., ambient ionization MS and data mining). Also available in the Food Analysis & Properties Series: Nanoemulsions in Food Technology: Development, Characterization, and Applications, edited by Javed Ahmad and Leo M.L. Nollet (ISBN: 978-0-367-61492-8) Sequencing Technologies in Microbial Food Safety and Quality, edited by Devarajan Thangadurai, Leo M.L. Nollet, Saher Islam, and Jeyabalan Sangeetha (ISBN: 978-0-367-35118-2) Chiral Organic Pollutants: Monitoring and Characterization in Food and the Environment, edited by Edmond Sanganyado, Basil K. Munjanja, and Leo M.L. Nollet (ISBN: 978-0-367-42923-2) For a complete list of books in this series, please visit our website at: www.crcpress.com/Food-Analysis--Properties/book-series/CRCFOODANPRO

Author : Eric Stauffer,Julia A. Dolan,Reta Newman
Publisher : Academic Press
Page : 672 pages
File Size : 41,5 Mb
Release : 2007-12-10
Category : Law
ISBN : 0080556264

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Fire Debris Analysis by Eric Stauffer,Julia A. Dolan,Reta Newman Pdf

The study of fire debris analysis is vital to the function of all fire investigations, and, as such, Fire Debris Analysis is an essential resource for fire investigators. The present methods of analysis include the use of gas chromatography and gas chromatography-mass spectrometry, techniques which are well established and used by crime laboratories throughout the world. However, despite their universality, this is the first comprehensive resource that addresses their application to fire debris analysis. Fire Debris Analysis covers topics such as the physics and chemistry of fire and liquid fuels, the interpretation of data obtained from fire debris, and the future of the subject. Its cutting-edge material and experienced author team distinguishes this book as a quality reference that should be on the shelves of all crime laboratories. Serves as a comprehensive guide to the science of fire debris analysis Presents both basic and advanced concepts in an easily readable, logical sequence Includes a full-color insert with figures that illustrate key concepts discussed in the text

Author : Leo Nollet,Matteo Bordiga
Publisher : CRC Press
Page : 366 pages
File Size : 55,9 Mb
Release : 2023-12-18
Category : Technology & Engineering
ISBN : 9781003816010

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Flavoromics by Leo Nollet,Matteo Bordiga Pdf

Forty years of progress in the fields of gas chromatography and data collection have culminated in flavoromics. This is a combination of chemometrics and metabolomics. Essentially, it is the non-targeted way of rapidly collecting a significant amount of data from a wide range of sample populations and using the data to study complicated topics. Now that we have the required tools, we can carry out high-throughput trace investigations that incorporate both gustatory and olfactory signals. Flavoromics: An Integrated Approach to Flavor and Sensory Assessment describes the tools to do high-throughput, trace analyses that represent both taste and olfaction stimuli. It explains how today's single sample research will generate thousands of data points, which are loaded into sophisticated statistical analysis algorithms to establish what stimuli are responsible for flavor. This cutting-edge equipment will enable us to create flavorings and perfumes that are more realistic and superior. Key Features: Includes a detailed section on data handling/mining Section 4 describes a broad overview of different food matrices Points out the integration of flavoromics with advanced separation methods, data management, statistical modeling, and variable selection This book represents a revolutionary tool waiting to help make better, truer to life flavorings and fragrances.

Author : Katja Dettmer-Wilde,Werner Engewald
Publisher : Springer
Page : 904 pages
File Size : 51,5 Mb
Release : 2014-11-05
Category : Science
ISBN : 9783642546402

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Practical Gas Chromatography by Katja Dettmer-Wilde,Werner Engewald Pdf

Gas chromatography continues to be one of the most widely used analytical techniques, since its applications today expand into fields such as biomarker research or metabolomics. This new practical textbook enables the reader to make full use of gas chromatography. Essential fundamentals and their implications for the practical work at the instrument are provided, as well as details on the instrumentation such as inlet systems, columns and detectors. Specialized techniques from all aspects of GC are introduced ranging from sample preparation, solvent-free injection techniques, and pyrolysis GC, to separation including fast GC and comprehensive GCxGC and finally detection, such as GC-MS and element-specific detection. Various fields of application such as enantiomer, food, flavor and fragrance analysis, physicochemical measurements, forensic toxicology, and clinical analysis are discussed as well as cutting-edge application in metabolomics is covered.

Author : Carol Evans
Publisher : Unknown
Page : 0 pages
File Size : 42,5 Mb
Release : 2015-01-24
Category : Electronic
ISBN : 163238129X

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Encyclopedia of Gas Chromatography: Volume 2 (Selected Applications and New Techniques) by Carol Evans Pdf

This book is a collection of studies on selected applications and new techniques in gas chromatography. Diverse uses varying from basic biological applications to industrial uses have been overviewed in this book. Analysis of multidimensional gas chromatography - time of flight mass spectrometry of PAH in smog chamber studies and in smog samples, inverse gas chromatography in characterization of composites interaction has been presented in detail. The various topics have been addressed by masters from diverse spheres and supplemented by easy-to-understand figures and tables. It has been specially purposed for chemists and other practitioners working in the domains related to gas chromatography. This book is a valued resource for both budding and expert chromatographers.

Author : Anonim
Publisher : Unknown
Page : 720 pages
File Size : 40,5 Mb
Release : 2009
Category : Life sciences
ISBN : STANFORD:36105123663820

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Journal of the Royal Society, Interface by Anonim Pdf

Author : Mustafa Ali Mohd
Publisher : BoD – Books on Demand
Page : 474 pages
File Size : 46,6 Mb
Release : 2012-03-21
Category : Science
ISBN : 9789535102984

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Advanced Gas Chromatography by Mustafa Ali Mohd Pdf

Progress in agricultural, biomedical and industrial applications' is a compilation of recent advances and developments in gas chromatography and its applications. The chapters cover various aspects of applications ranging from basic biological, biomedical applications to industrial applications. Book chapters analyze new developments in chromatographic columns, microextraction techniques, derivatisation techniques and pyrolysis techniques. The book also includes several aspects of basic chromatography techniques and is suitable for both young and advanced chromatographers. It includes some new developments in chromatography such as multidimensional chromatography, inverse chromatography and some discussions on two-dimensional chromatography. The topics covered include analysis of volatiles, toxicants, indoor air, petroleum hydrocarbons, organometallic compounds and natural products. The chapters were written by experts from various fields and clearly assisted by simple diagrams and tables. This book is highly recommended for chemists as well as non-chemists working in gas chromatography.