Download or read book Hyphenated Techniques in Speciation Analysis written by Joanna Szpunar and published by Royal Society of Chemistry. This book was released on 2003 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: Speciation analysis is a field of trace element analytical chemistry that deals with detection, identification and determination of individual chemical forms of metals and metalloids. There has been increased awareness of the importance of elemental speciation over the last 20 years and this has lead to growing demand for analytical techniques capable of providing species-specific information. Hyphenated Techniques in Speciation Analysis offers a brief but comprehensive overview of hyphenated techniques and their various applications for the determination of chemical forms of trace elements. It brings a succinct presentation of the concept of speciation analysis, gives an overview of techniques based on coupling of chromatography with element and molecule specific detection and summarises their applications in the fields of environmental and industrial chemistry, biochemistry, nutrition, toxicology and medicine. Fully referenced, Hyphenated Techniques in Speciation Analysis is an invaluable introduction to elemental speciation analysis and also provides a practising analyst with a critical overview of research carried out in the field.
Download or read book Hyphenated Techniques in Speciation Analysis written by Ryszard Lobinski and published by Royal Society of Chemistry. This book was released on 2007-10-31 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: Speciation analysis is a field of trace element analytical chemistry that deals with detection, identification and determination of individual chemical forms of metals and metalloids. There has been increased awareness of the importance of elemental speciation over the last 20 years and this has lead to growing demand for analytical techniques capable of providing species-specific information. Hyphenated Techniques in Speciation Analysis offers a brief but comprehensive overview of hyphenated techniques and their various applications for the determination of chemical forms of trace elements. It brings a succinct presentation of the concept of speciation analysis, gives an overview of techniques based on coupling of chromatography with element and molecule specific detection and summarises their applications in the fields of environmental and industrial chemistry, biochemistry, nutrition, toxicology and medicine. Fully referenced, Hyphenated Techniques in Speciation Analysis is an invaluable introduction to elemental speciation analysis and also provides a practising analyst with a critical overview of research carried out in the field.
Download or read book Hyphenated Techniques for Speciation Analysis written by Björn Meermann and published by . This book was released on 2009 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Liquid Chromatography written by B. Michalke and published by Elsevier Inc. Chapters. This book was released on 2013-01-08 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: This chapter describes strategies and methods for speciation investigations using mainly hyphenated techniques of liquid chromatography with element-specific detection. Complete speciation schemes are discussed, starting with the sources of error and problem solutions for sampling and ending with more dimensional, orthogonally chosen coupled-speciation techniques for quality controlled results. The focus in each section is directed to the specific problems being faced with respect to speciation analysis: species stability during sample storage and processing, the choice of the most suitable speciation approaches (direct methods or hyphenated techniques), species separation techniques ranging from ultrafiltration to various forms of liquid chromatography, and capillary electrophoresis, discussing their advantageous as well as their (undesired) potential of changing species. Further, problems in interfacing to element-specific detectors, mainly plasma-based detectors like ICP OES and ICP MS are reported. The chapter concludes with aspects of quality control, including sources of errors and strategies to overcome such problems, such as orthogonal speciation concepts.
Download or read book Trace Metal Analysis and Speciation written by I.S. Krull and published by Elsevier. This book was released on 1991-10-08 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this volume is to describe the most recent advances in areas of analytical chemistry that relate to the trace determination of metals and inorganics, as well as their distribution and forms (species) present, sample dependent. Analytical approaches are described that encompass a number of separation methods, such as gas and high performance liquid chromatography, interfaced with selective and sensitive detection methods that become unique for metal species/forms present in various samples. Hyphenated techniques are emphasized, such as interfacing HPLC with plasma induced emission spectroscopy, electrochemistry, post-column reaction chemistry, etc. Each chapter describes the latest instrumental and methodology advances that utilize some form of chromatography together with element-specific detection or mass spectrometry to provide absolute identification of the specific species of a metal present in various samples. The book will be of value to those concerned with the determination of trace levels of individual metal species present or suspected present in any given sample and to those involved in trace metal toxicology, metabolism of metal-containing drugs or chemicals, environmental exposures to metals and chemical speciation of real world samples. Government regulatory laboratories striving to detect and determine absolute levels of a metal species in any regulated sample will be interested in this volume, as will academic institutes involved in environmental toxicology, environmental chemistry, metal-DNA/protein interactions and researchers working with metal species.
Download or read book Hyphenated and Alternative Methods of Detection in Chromatography written by R. Andrew Shalliker and published by CRC Press. This book was released on 2011-12-14 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: Widely employed for separating and detecting chemicals in solution, separation techniques are most often applied in tandem, subsequently referred to as hyphenated methods. Hyphenated and Alternative Methods of Detection in Chromatography details the development and application of mass spectral detection techniques coupled with gas phase and liquid
Download or read book Recent Advances in Trace Elements written by Katarzyna Chojnacka and published by John Wiley & Sons. This book was released on 2018-04-30 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive and multidisciplinary presentation of the current trends in trace elements for human, animals, plants, and the environment This reference provides the latest research into the presence, characterization, and applications of trace elements and their role in humans, animals, and plants as well as their use in developing novel, functional feeds, foods, and fertilizers. It takes an interdisciplinary approach to the subject, describing the biological and industrial applications of trace elements. It covers various topics, such as the occurrence, role, and monitoring of trace elements and their characterization, as well as applications from the preliminary research to laboratory trials. Recent Advances in Trace Elements focuses on the introduction and prospects of trace elements; tackles environmental aspects such as sources of emission, methods of monitoring, and treatment/remediation processes; goes over the biological role of trace elements in plants, animals, and human organisms; and discusses the relevance of biomedical applications and commercialization. A compendium of recent knowledge in interdisciplinary trace element research Uniquely covers production and characterization of trace elements, as well as the industrial and biomedical aspects of their use Paves the way for the development of innovative products in diverse fields, including pharmaceuticals, food, environment, and materials science Edited by well-known experts in the field of trace elements with contributions from international specialists from a wide range of areas Unique in presenting comprehensive and multidisciplinary information of the key aspects of trace elements research in a digestible form, this book is essential reading for the novice and expert in the fields of environmental science, analytical chemistry, biochemistry, materials science, pharmaceutical science, nutraceutical, and pharmaceutical sciences. It is also valuable for companies that implement new products incorporating trace elements to the market.
Download or read book Modern Advancements in Elemental Speciation written by Douglas Dennis Richardson and published by . This book was released on 2007 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: Elemental speciation is the investigation of the chemical form of metal and non- metal containing species in environmental and biological systems for the determination of species specific essentiality and toxicity. Speciation analysis is performed by combining modern separation techniques with state-of-the-art element specific mass spectrometry. Separation techniques used in this work include: capillary electrophoresis (CE), high performance liquid chromatography (HPLC) and gas chromatography (GC). Inductively coupled plasma mass spectrometry (ICPMS) is the instrument of choice for ultra-trace elemental speciation analyses due to the excellent sensitivity and selectivity specific to this mass spectrometer. Modern innovations in analytical instrumentation specific for elemental speciation have provided researchers with resources for the development of new hyphenated techniques and analytical methods. The specific goal of this dissertation is to describe modern advancements specific to elemental speciation. In the first section a novel interface coupling CE and hydride generation with ICPMS detection for arsenic speciation is described. The novel concentric tube interface design allowed for the separation, hydride generation, and detection of four arsenic species in less than 10 minutes. The majority of this dissertation focuses on method development for the analysis of organophosphorus chemical warfare agent (CWA) degradation products. Recent increases in worldwide terrorist activity as well as the threat of chemical weapon attacks have led to the demand for rapid and reliable analytical techniques for CWA analysis. Methods utilizing both HPLC and GC separation techniques couple with 31P element specific detection with ICPMS for the analysis of organophosphorus chemical warfare agent degradation products are described. These works are the first to utilize 31P detection with ICPMS for the analysis of chemical warfare agent degradation products.
Download or read book Elemental Speciation written by Joseph A. Caruso and published by Elsevier Science Limited. This book was released on 2000 with total page 581 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hardbound. This book provides a comprehensive discussion of the major aspects involved in elemental speciation. Sample preparation, separation techniques, instrumentation and quality assurance are all discussed. In addition, individual chapters are devoted to speciation of environmental samples and speciation of biological, clinical, and nutritional samples. Individual chapters are written by leaders in the field, and the book has been organized so that the reader may learn how to collect a sample and prepare it. Ways to separate and detect analytes of interest, and steps to take to ensure the validity of the measurements are also discussed. This book is unique in its comprehensive treatment of this subject.
Download or read book Speciation Studies in Soil Sediment and Environmental Samples written by Sezgin Bakirdere and published by CRC Press. This book was released on 2013-09-26 with total page 614 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent developments clearly indicate that speciation studies in biological and environmental matrices are much more important than the total element determination due to the tremendous difference in bioavailability and toxicity of various chemical forms of a particular element. Different separation-detection techniques and hyphenated systems—each with its own advantages and disadvantages with respect to precision, sensitivity and detection limit—have been developed for the identification and quantification of the species present in systems at ultra-trace levels. This book aims to evaluate the speciation analysis in depth and present a comprehensive review of state-of-the-art analytical approaches used for the speciation of elements in environmental samples.
Download or read book Metallomics written by Yasumitsu Ogra and published by Springer. This book was released on 2017-03-01 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on recent topics in metallomics, a study of the metallome, or metal-containing biomolecules. Metals can induce various physiological and toxicological effects in a very small amounts, in other words, the concentrations of biometals are very low in organisms. Thus, analytical techniques for a trace amount of metal are crucial to understand the biological and toxicological functions of metals.This volume begins with an overview of metallomics including the history and development of the field. Subsequent parts provide basic and advanced techniques for metallomics. Speciation and imaging of metals are basic approaches to reveal the function of the metallome. The applications of speciation using an HPLC hyphenated with inductively coupled plasma mass spectrometry (LC-ICP-MS) and flow cytometry ICP-MS are described. As advanced approaches, the applications using a micro-flow injection-ICP-MS, an ICP-triple quadrupole mass spectrometer, an ICP-sector field mass spectrometer, and an ICP-multi-collector mass spectrometer are mentioned. For the imaging of metals, basic principles and applications of several techniques such as scanning X-ray fluorescence microscopy and ICP-MS equipped with laser ablation (LA-ICP-MS) are presented. Speciation analyses using electrospray ionization mass spectrometry (ESI-MS), X-ray Absorption Spectroscopy (XAS), and nuclear magnetic resonance spectroscopy (NMR) are also introduced. The last part highlights the medical and pharmaceutical applications of metallomics. Molecular biological approaches to reveal the effects of toxic metals, metal functions in brain and neurodegenerative diseases, and metallodrugs are explained. The topic of metal transporters is also presented.
Download or read book Development of Organometal Speciation Analysis by GC Based Hyphenated Techniques and Environmental Applications written by Michiel Ceulemans and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Directory of Hyphenated Techniques written by Zdeněk Deyl and published by Elsevier Publishing Company. This book was released on 1994 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: This directory of researchers in hyphenated techniques contains the names and addresses of leading scientists in this developing field and specifies their main interests in developing and/or applying their technique. A geographical index shows what techniques are used in each country.
Download or read book Trace Metals in Medicine and the Environment written by David Clases and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Analytical Methods in the Determination of Bioactive Compounds and Elements in Food written by Magdalena Jeszka-Skowron and published by Springer Nature. This book was released on 2021-02-02 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most bioactive compounds have antioxidant activity, particularly tocochromanols, phenolics (flavonoids and phenolic acids), methylxantines and capsaicinoids. Some of these compounds have also other properties important for human health. For example, vitamin E protects against oxidative stress, but it is also known for its “non-antioxidant” functions, including cell signalling and antiproliferation. Selenium compounds and indoleamins are the components of the antioxidant enzymes. Selenium makes vitamin E acquisition easier and controls its physiological functions. In taking part in enzymatic reactions and protecting the cell against free radicals, selenium shows immunomodulative, antiphlogistic, and antiviral activity. Capsaicinoids possess not only antioxidant, but also antibacterial, analgesic, weight-reducing and thermoregulation properties. Studies have also demonstrated their gastroprotective and anticancer properties. Analytical Methods in the Determination of Bioactive Compounds and Elements in Food explores both the influence of particular compounds on human health and the methods used for their determination. Chapters describe various aspects of food and plant analysis, including chromatographic and non‐chromatographic approaches as well as hyphenated techniques. Readers of this book will gain a comprehensive understanding of the important groups of bioactive compounds relevant to human health.
Download or read book Application of IC MS and IC ICP MS in Environmental Research written by Rajmund Michalski and published by John Wiley & Sons. This book was released on 2016-05-20 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduces the reader to the field of ion chromatography, species analysis and hyphenated methods IC-MS and IC-ICP-MS including the theory and theirs applications Covers the importance of species analysis and hyphenated methods in ion chromatography Includes practical applications of IC-MS and IC-ICP-MS in environmental analysis Details sample preparation methods for ion chromatography Discusses hyphenated methods IC-MS and IC-ICP-MS used in determining both the total element contents and its elements Details speciation analysis used in studying biochemical cycles of selected chemical compounds; determining toxicity and ecotoxicity of elements; food and pharmaceuticals quality control; and in technological process control and clinical analytics
Download or read book Chemical Speciation of Organic and Inorganic components of Environmental and Biological Interest in Natural Fluids written by Francesco Crea and published by MDPI. This book was released on 2020-03-25 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: The International Union of Pure and Applied Chemistry (IUPAC) defines the term “speciation” as the distribution of an element amongst defined chemical species in a system, while the process leading to quantitative estimation of the content of different species is called speciation analysis. The chemical speciation of elements in natural waters and biological fluids is a key topic, essential for discussing the chemical reactivity of constituents in these systems. It is well understood that it is the chemical form of a metal or metalloids that determines its reactivity, lifetime, and fate in the environment. Chemical speciation now involves various sectors of the sciences, from chemistry to biology, biochemistry, and environmental sciences, since—as is well known—the total concentration, alone, of an inorganic or organic component (metal or ligand) in a multicomponent natural system (fresh water, sea water, biological fluids, soil, etc.) is insufficient for a comprehensive understand of its behavior in those contests.
