Author: Janusz Pawliszyn
Publisher: Wiley-Blackwell
ISBN: 9780813823621
Category : Science
Languages : en
Pages : 480
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Book Description
Discover new keys to solving analytical problems using the Latest sample preparation methods Commonly viewed of as a routine task rather than as an integral component in the analytical process, sample preparation has long been undervalued as a science and underdeveloped as a technology. In an effort to reverse this trend, Handbook of Sample Preparation shows why sample preparation deserves closer scientific scrutiny, and makes a compelling case for colleges and professional laboratories to devote more resources to promote the benefits of its correct application. Handbook of Sample Preparation includes: A solid overview of standard sampling methodologies and their analytical capabilities An introduction of non-traditional sampling technologies, which address the need for solvent-free alternatives, automation, and miniaturization A discussion of the analytical shift toward performing sampling on-site, rather than in the laboratory An examination of various extraction technologies and their applications for different types of matrices A look at how to take advantage of new sampling strategies to streamline laboratory procedures, reduce research costs, and increase overall productivity An excellent primer on the fundamentals of extraction as well as a sound guide on the latest technological upgrades influencing current sampling techniques, this versatile text serves as an important and accessible tool for both students and seasoned practitioners as they seek new avenues for improving the accuracy of their analyses.
Author: Patrick Echlin
Publisher: Springer Science & Business Media
ISBN: 0387857311
Category : Technology & Engineering
Languages : en
Pages : 329
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Book Description
Scanning electr on microscopy (SEM) and x-ray microanalysis can produce magnified images and in situ chemical information from virtually any type of specimen. The two instruments generally operate in a high vacuum and a very dry environment in order to produce the high energy beam of electrons needed for imaging and analysis. With a few notable exceptions, most specimens destined for study in the SEM are poor conductors and composed of beam sensitive light elements containing variable amounts of water. In the SEM, the imaging system depends on the specimen being sufficiently electrically conductive to ensure that the bulk of the incoming electrons go to ground. The formation of the image depends on collecting the different signals that are scattered as a consequence of the high energy beam interacting with the sample. Backscattered electrons and secondary electrons are generated within the primary beam-sample interactive volume and are the two principal signals used to form images. The backscattered electron coefficient ( ? ) increases with increasing atomic number of the specimen, whereas the secondary electron coefficient ( ? ) is relatively insensitive to atomic number. This fundamental diff- ence in the two signals can have an important effect on the way samples may need to be prepared. The analytical system depends on collecting the x-ray photons that are generated within the sample as a consequence of interaction with the same high energy beam of primary electrons used to produce images.
Author: Jeanne Ayache
Publisher: Springer Science & Business Media
ISBN: 9781441959744
Category : Technology & Engineering
Languages : en
Pages : 338
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Book Description
Successful transmission electron microscopy in all of its manifestations depends on the quality of the specimens examined. Biological specimen preparation protocols have usually been more rigorous and time consuming than those in the physical sciences. For this reason, there has been a wealth of scienti c literature detailing speci c preparation steps and numerous excellent books on the preparation of b- logical thin specimens. This does not mean to imply that physical science specimen preparation is trivial. For the most part, most physical science thin specimen pre- ration protocols can be executed in a matter of a few hours using straightforward steps. Over the years, there has been a steady stream of papers written on various aspects of preparing thin specimens from bulk materials. However, aside from s- eral seminal textbooks and a series of book compilations produced by the Material Research Society in the 1990s, no recent comprehensive books on thin specimen preparation have appeared until this present work, rst in French and now in English. Everyone knows that the data needed to solve a problem quickly are more imp- tant than ever. A modern TEM laboratory with supporting SEMs, light microscopes, analytical spectrometers, computers, and specimen preparation equipment is an investment of several million US dollars. Fifty years ago, electropolishing, chemical polishing, and replication methods were the principal specimen preparation me- ods.
Author: Janusz Pawliszyn
Publisher: Wiley-Blackwell
ISBN: 9780470099346
Category : Science
Languages : en
Pages : 496
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Book Description
Discover new keys to solving analytical problems using the Latest sample preparation methods Commonly viewed of as a routine task rather than as an integral component in the analytical process, sample preparation has long been undervalued as a science and underdeveloped as a technology. In an effort to reverse this trend, Handbook of Sample Preparation shows why sample preparation deserves closer scientific scrutiny, and makes a compelling case for colleges and professional laboratories to devote more resources to promote the benefits of its correct application. Handbook of Sample Preparation includes: A solid overview of standard sampling methodologies and their analytical capabilities An introduction of non-traditional sampling technologies, which address the need for solvent-free alternatives, automation, and miniaturization A discussion of the analytical shift toward performing sampling on-site, rather than in the laboratory An examination of various extraction technologies and their applications for different types of matrices A look at how to take advantage of new sampling strategies to streamline laboratory procedures, reduce research costs, and increase overall productivity An excellent primer on the fundamentals of extraction as well as a sound guide on the latest technological upgrades influencing current sampling techniques, this versatile text serves as an important and accessible tool for both students and seasoned practitioners as they seek new avenues for improving the accuracy of their analyses.
Author: Janusz Pawliszyn
Publisher: Elsevier
ISBN: 0123914493
Category : Science
Languages : en
Pages : 496
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Book Description
The relatively new technique of solid phase microextraction (SPME) is an important tool to prepare samples both in the lab and on-site. SPME is a "green" technology because it eliminates organic solvents from analytical laboratory and can be used in environmental, food and fragrance, and forensic and drug analysis. This handbook offers a thorough background of the theory and practical implementation of SPME. SPME protocols are presented outlining each stage of the method and providing useful tips and potential pitfalls. In addition, devices and fiber coatings, automated SPME systems, SPME method development, and In Vivo applications are discussed. This handbook is essential for its discussion of the latest SPME developments as well as its in depth information on the history, theory, and practical application of the method. Practical application of Solid Phase Microextraction methods including detailed steps Provides history of extraction methods to better understand the process Suitable for all levels, from beginning student to experienced practitioner
Author:
Publisher: Elsevier
ISBN: 9780080527864
Category : Science
Languages : en
Pages : 442
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Book Description
Bioanalytical Separations is volume 4 of the multi-volume series, Handbook of Analytical Separations, providing reviews of analytical separation methods and techniques used for the determination of analytes across a whole range of applications. The theme for this volume is bioanalysis, in this case specifically meaning the analysis of drugs and their metabolites in biological fluids. - Discusses new developments in instrumentation and methods of analyzing drugs and their metabolites in biological fluids - Provides guidance to the different methods, their relative value to the user, and the advantages and pitfalls of their use - Future trends are identified, in terms of the potential impact of new technologies
Author: Holger Fischer
Publisher: BoD – Books on Demand
ISBN: 3757886828
Category : Technology & Engineering
Languages : en
Pages : 46
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Book Description
This handbook describes the categorisation and preparation of different types of particles as samples for static image analysis. It is structured as guideline for the practical work in the lab. Thus, the structure offers a pragmatical path to guide the user independend from type and source of the sample as quick as possible to a reasonable method of sample preparation. Different ways of preparation, which have been elaborated systematically for different types of samples are documented and summarised as uniform guideline. Adequate parameters for the subsequent scanning and evaluation are listed as additional recommendation. General aim is the harmonisation of sample preparation for various materials (not exhibiting free-flowing properties) by the optimised preparation methods documented in this handbook in order to assist the competent user. Translated from the German 'Handbuch zur Vorbereitung von Proben für die statische Bildanalyse - Leitfaden für Praktiker im Labor -' (Books on Demand GmbH, Norderstedt DE 2023 | ISBN: 9783743172838).
Author: B. L. Bramfitt
Publisher: ASM International
ISBN: 1615031464
Category : Technology & Engineering
Languages : en
Pages : 365
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Book Description
This book provides a solid overview of the important metallurgical concepts related to the microstructures of irons and steels, and it provides detailed guidelines for the proper metallographic techniques used to reveal, capture, and understand microstructures. This book provides clearly written explanations of important concepts, and step-by-step instructions for equipment selection and use, microscopy techniques, specimen preparation, and etching. Dozens of concise and helpful “metallographic tips” are included in the chapters on laboratory practices and specimen preparation. The book features over 500 representative microstructures, with discussions of how the structures can be altered by heat treatment and other means. A handy index to these images is provided, so the book can also be used as an atlas of iron and steel microstructures.
Author: Chaudhery Mustansar Hussain
Publisher: Elsevier
ISBN: 012822553X
Category : Science
Languages : en
Pages : 368
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Book Description
Handbook on Miniaturization in Analytical Chemistry: Application of Nanotechnology provides a source of authoritative fundamentals, interdisciplinary knowledge and primary literature for researchers who want to fully understand how nano-technologies work. Covering all stages of analysis, from sample preparation to separation and detection, the book discusses the design and manufacturing technology of miniaturization and includes an entire section on safety risks, ethical, legal and social issues (ELSI), the economics of nanotechnologies, and a discussion on sustainability with respect to nano- and lab-on-chip technologies. This guide for students and researchers working on applications of nanotechnology in modern systems for analysis gives readers everything they need to know to bring their current practices up-to-date. Details the impacts of miniaturization and nanotechnology Includes coverage of the current challenges for scaling up nano-miniaturization design and manufacturing technology for analysis Provides the latest reference materials, including websites of interest and details on the latest research in every chapter
Author: Miodrag Micic
Publisher: Humana
ISBN: 9781493979967
Category : Science
Languages : en
Pages : 0
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Book Description
The Sample Preparation Techniques for Environmental, Plant, and Animal Samples handbook is a collection of best practices, recipes and theoretical information aimed at anyone who works with any type of molecular biology, proteomics, or metabolomics research involving diffi cult and tough-to-process samples, and thus is exposed to the seemingly unbreakable bottleneck of sample preparation. Th is book is most useful to researchers preparing nucleic acids and proteins from environmental (e.g., soil, marine, and wastewater, feces) and tough microbiological (e.g., spores, yeasts, gram positive bacteria) samples, as well as solid tissue samples from plants and animals. This book is the first comprehensive piece of literature dealing with applications of bead beating technology and other types of mechanical homogenization sample preparation.
