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Books > Science & Mathematics > Chemistry > Analytical chemistry > Qualitative analytical chemistry
Conjugated polymeric materials and their nanocomposites are widely used for the creation of alternative sources of renewable energy, cell phone screens, mobile gadgets, video players and OLED-TV, as well as organic diodes, transistors, sensors, etc. with field-dependent and spin-assisted electronic properties. Multifrequency EPR Spectroscopy methods can help researchers optimize their structural, magnetic and electronic properties for the creation of more efficient molecular devices. This book will acquaint the reader with the basic properties of conjugated polymers, the fundamentals of EPR Spectroscopy, and the information that can be obtained at different wavebands of EPR spectroscopy.
This detailed handbook covers different chromatographic analysis techniques and chromatographic data for compounds found in air, water, and soil, and sludge. The new edition outlines developments relevant to environmental analysis, especially when using chromatographic mass spectrometric techniques. It addresses new issues, new lines of discussion, and new findings, and develops in greater detail the aspects related to chromatographic analysis in the environment. It also includes different analytical methodologies, addresses instrumental aspects, and outlines conclusions and perspectives for the future.
Nuclear magnetic resonance (NMR) is an analytical tool used by
chemists and physicists to study the structure and dynamics of
molecules. In recent years, no other technique has grown to such
importance as NMR spectroscopy. It is used in all branches of
science where precise structural determination is required and
where the nature of interactions and reactions in solution is being
studied.
The 9/11 attack on US soil has inadvertently heightened the need for preparation for other potential means of terrorist attack. In particular, both biological and chemical warfare have been at the top of the priority list for most governmental agencies as these reagents can be covertly prepared and disseminated to result in both widespread fear and casualty. Among many others, one primary preventive step in preparing for the above attacks is to establish a network for efficient surveillance and rapid detection such that an appropriate response to such attacks can be timely and effective. Over the years, primarily due to technological advances, both chemical and biological agents that are able to inflict mass destructions are becoming more diverse and complex. Subsequently, improvement of sensing devices for rapid and sensitive detection should also be made to keep pace with these engineered or emerging threat agents. Of particular interest, the ability to encompass advances in micro and nanofabrication techniques to enable sensing devices are especially of interest as they have been shown to offer desired advantages such as improved and enhanced functionality, increased efficiency and speed in their readout, reduction in their fabrication cost, and also reduced reagent consumption. Numerous innovative and exciting reports which took advantage of these techniques for both chemical and biological sensing have appeared over the last decade. This unique book is the only current publication that provides readers with a brief, yet concise, collection of the latest advances in chemical and biological agent detection and/or their surveillance. It compiles and gives in-depth detail on several detection schemes so that the reader can be provided with a general sense of these micro and nanoscale sensing systems and platforms. The book covers both well established and "next-generation" micro- and nano-scale sensors and/or sensing platforms. Sensors or sensing platforms covered range from the novel utilization of nanotubes, cantilevers, nano and/or microsized pores, engineered whole cell, to polymeric transistors for sensing purposes. As a result of these advances there has been a synergistic marriage of a myriad of techniques, ranging from chemical, engineering and biological, for the development of sensors, which was once traditionally thought to be reserved for the immunologists. The enabling of these new technologies will result in a much improved sensing network for the detection and surveillance of both chemical and biological warfare agents.The book also contains chapters from leading experts in the field of chemical and biological sensing platforms and will be invaluable reading for anybody in this field.
This book reviews advances in important and practically relevant homogeneous catalytic transformations, such as single-site olefin polymerizations and chemo- and stereo-selective oxidations. Close attention is paid to the experimental investigation of the active sites of catalytic oxidation systems and their mechanisms. Major subjects include the applications of NMR and EPR spectroscopic techniques and data obtained by other physical methods. The book addresses a broad readership and focus on widespread techniques available in labs with NMR and EPR spectrometers.
This volume presents a complete and thorough examination of advances in the instrumentation, evaluation, and implementation of UV technology for reliable and efficient data acquisition and analysis. It provides real-world applications in expanding fields such as chemical physics, plasma science, photolithography, laser spectroscopy, astronomy and atmospheric science.
Advances in Chromatography is a venerable series that has reported on the latest state-of-the-art developments in the field for the past four decades. The newest installment, Volume 49, continues the tradition of compiling the work of expert contributors who present timely and cutting edge reviews of current and emerging methods and applications in this dynamic field. Highlights in this edition include: The hyphenation of liquid chromatography with mass spectrometry in order to determine oligonucleotide adducts as markers for cancer Glycoproteomics and the glycosylation of proteins, addressing biomarkers in different types of diseases Chiral separation, an important area particularly in the pharmaceutical industry, where the technique has been applied with varying results Ion-pairing chromatography and analyte retention Conveying the most recent significant scientific developments in separation science, the book and its series are known for the authors' clear presentation of topics and vivid illustrations. Accessible and engaging, this volume forms a solid foundation for the work of biochemists and analytical, organic, polymer, and pharmaceutical chemists at all levels of technical skill. Meticulously referenced, it will help fuel further research across a range of fields.
The focus of Volume 2 of the Encyclopedia of Mass Spectrometry is
on peptides and proteins, separation techniques, preparation
protocols, and the fundamental characteristics as ionic gas phase
species that lie within the breadth of the field of mass
spectrometry. This volume is divided into four sections;
experimental approaches and protocols, sequence analysis, other
structural analyses, and targeted applications.
Mass spectrometry has developed into a platform for the assessment of health, sensory, quality and safety aspects of food. Current nutrition research focuses on unravelling the link between acute or chronic dietary and nutrient intake and the physiological effects at cellular, tissue and whole body level. The bioavailability and bioefficacy of food constituents and dose-effect correlations are key to understanding the impact of food on defined health outcomes. To generate this information, appropriate analytical tools are required to identify and quantify minute amounts of individual compounds in highly complex matrices (such as food or biological fluids) and to monitor molecular changes in the body in a highly specific and sensitive manner. Mass spectrometry has become the method of choice for such work and now has broad applications throughout all areas of nutrition research. This book focuses the contribution of mass spectrometry to the advancement of nutrition research. Aimed at students, teachers and researchers, it provides a link between nutrition and analytical biochemistry. It guides nutritionists to the appropriate techniques for their work and introduces analytical biochemists to new fields of application in nutrition and health. The first part of the book is dedicated to the assessment of macro- and micro-nutrient status with a view to making dietary recommendations for the treatment of diet-related diseases. The second part shows how mass spectrometry has changed nutrition research in fields like energy metabolism, body composition, protein turnover, immune modulation and cardiovascular health.
Specialist Periodical Reports provide systematic and detailed review coverage of progress in the major areas of chemical research. Written by experts in their specialist fields the series creates a unique service for the active research chemist, supplying regular critical in-depth accounts of progress in particular areas of chemistry. For over 80 years the Royal Society of Chemistry and its predecessor, the Chemical Society, have been publishing reports charting developments in chemistry, which originally took the form of Annual Reports. However, by 1967 the whole spectrum of chemistry could no longer be contained within one volume and the series Specialist Periodical Reports was born. The Annual Reports themselves still existed but were divided into two, and subsequently three, volumes covering Inorganic, Organic and Physical Chemistry. For more general coverage of the highlights in chemistry they remain a 'must'. Since that time the SPR series has altered according to the fluctuating degree of activity in various fields of chemistry. Some titles have remained unchanged, while others have altered their emphasis along with their titles; some have been combined under a new name whereas others have had to be discontinued. The current list of Specialist Periodical Reports can be seen on the inside flap of this volume.
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.
Documenting critical advances in this rapidly evolving field, the Second Edition highlights the need for new applications and technologies that assist in the determination of molecular weight and molecular weight distributions of polymers in an accurate, efficient manner. This volume presents the latest findings from a international team of specialists, and will continue to inspire and extend practical applications of size exclusion chromatography (SEC). It includes six new chapters covering high-speed size exclusion chromatography, SEC of low molecular weight materials, and the extended family of techniques from two-dimensional liquid chromatography to high osmotic pressure chromatography.
The first edition of this now classic work helped to establish mass spectrometry as the premier tool for drug metabolism studies. Completely rewritten from start to finish, Using Mass Spectrometry for Drug Metabolism Studies, Second Edition brings medicinal chemists and mass spectrometry professionals up to speed with the rapid advances in the field, the emergence of cutting-edge approaches, and ways to meet steadily increasing vendor demands. Written by international scientists who are experts in their respective disciplines, this state-of-the-art reference effectively encapsulates current mass spectrometry best practices. The stand-alone chapters cover various topics - from metabolite identification to fast chromatography with UPLC - and in a style that is understandable to experts and field newcomers alike. The second edition of this bestseller includes coverage of new instrumentation and software as well as a wealth of updated information on the latest findings surrounding biomarkers and metabolomics and new chapters on both UPLC and DESI/DART. With more than 180 illustrations and an eight-page color insert, this valuable reference explores multiple modern mass spectrometry techniques and strategies. It includes an excellent overview of the entire drug discovery process plus the latest developments on how mass spectrometry is used to support this endeavor.
This book offers a comprehensive overview of recent advances in the area of laser-induced breakdown spectroscopy (LIBS), focusing on its application to biological, forensic and materials sciences. LIBS, which was previously mainly used by physicists, chemists and in the industry, has now become a very useful tool with great potential in these other fields as well. LIBS has a unique set of characteristics including minimal destructiveness, remote sensing capabilities, potential portability, extremely high information content, trace analytical sensitivity and high throughput. With its content divided into two main parts, this book provides not only an introduction to the analytical capabilities and methodology, but also an overview of the results of recent applications in the above fields. The application-oriented, multidisciplinary approach of this work is also reflected in the diversity of the expert contributors. Given its breadth, this book will appeal to students, researchers and professionals interested in solving analytical/diagnostic/material characterization tasks with the application of LIBS.
Surface enhanced Raman scattering (SERS) might be one of the most impressive effects to demonstrate the power of plasmonic approaches in spectroscopy and became one of the 'triggers' for the rapidly emerging field of plasmonics.This book provides a review of some recent developments in SERS, such as tip enhanced Raman scattering (TERS), reports new experimental observations, sophisticated new SERS-active structures and substrates, new theoretical insight to explain the effect as well as exciting applications in various fields such as analytical science, biomedicine and nanotechnology.Written for graduate students and established researchers looking for inspiration for future work, its interdisciplinary nature makes the book suitable for readers in the fields of chemistry, physics, biology, medicine, nanotechnology and materials science.
Written by leading international experts in academia and industry, Advances in Chromatography, Volume 46 presents all new chapters with thorough reviews on the latest developments in the field. Volume 46 includes new advances in two-dimensional gas chromatography, reversed phase liquid chromatography/shape selectivity, and supercritical fluid chromatography. The book highlights enantioselective separations with emphasis on chiral recognition mechanisms, screening approaches, and separation speed. It also emphasizes hyphenated techniques and enhanced fluidity chromatography with emphasis on monolithic organo-silica hybrid columns. This volume provides an excellent starting point for gaining quick knowledge to the field of separation science.
Theory and Ion Chemistry concentrates on the fundamental aspects of
a set of 13 carefully chosen topics covering the whole field of
mass spectrometry. It covers both primary (basic) considerations,
as well as advanced topics, the former aimed at newcomers to the
field, the latter at the experienced practitioner who may not
necessarily be an expert in the particular area. Article references
will cover three areas: 1) original or pioneering work in the area
2) seminal contributions to the area, including examples
illustrating a given application and 3) useful review articles.
Annual Reports on NMR Spectroscopy, Volume 98, provides an in-depth accounting of progress in nuclear magnetic resonance (NMR) spectroscopy and its many applications. In recent years, no other technique has gained as much significance. It is also used in all branches of science in which precise structural determination is required, and in which the nature of interactions and reactions in solution is being studied. This book has established itself as a premier resource for both specialists and non-specialists who are looking to become familiar with new techniques and applications pertaining to NMR spectroscopy.
The knowledge base of chromatography continued to expand throughout
the 1990s owing to its many applications to problems of
contemporary interest in industry, life and environmental sciences.
Organizing this information into a single text for a diverse group
of scientists has become increasingly difficult. The present book
stemmed from the desire to revise Chromatography Today, written by
the same author with Salwa K. Poole, and published in 1991. This
title is considered to be one of the definitive texts on
chromatography. It was soon realized however, that a simple
revision would not provide the desired result of a contemporary
picture of the practice of chromatography at the turn of the
century. The only workable solution was to start afresh,
maintaining the same general philosophy and concept for
Chromatography Today where possible, while creating essentially a
new book.
PMCommon methods of local magnetic imaging display either a high spatial resolution and relatively poor field sensitivity (MFM, Lorentz microscopy), or a relatively high field sensitivity but limited spatial resolution (scanning SQUID microscopy). Since the magnetic field of a nanoparticle or nanostructure decays rapidly with distance from the structure, the achievable spatial resolution is ultimately limited by the probe-sample separation. This thesis presents a novel method for fabricating the smallest superconducting quantum interference device (SQUID) that resides on the apex of a very sharp tip. The nanoSQUID-on-tip displays a characteristic size down to 100 nm and a field sensitivity of 10 -3 Gauss/Hz (1/2). A scanning SQUID microsope was constructed by gluing the nanoSQUID-on-tip?? to a quartz tuning-fork. This enabled the nanoSQUID to be scanned within nanometers of the sample surface, providing simultaneous images of sample topography and the magnetic field distribution. This microscope represents a significant improvement over the existing scanning SQUID techniques and is expected to be able to image the spin of a single electro
Sample preparation is an essential step in many analyses. This book
approaches the topic of sample preparation in chromatography in a
methodical way, viewing it as a logical connection between sample
collection and analytical chromatography. Providing a guide for
choosing the appropriate sample preparation for a given analysis,
this book describes various ways to process the sample, explaining
the principle, discussing the advantages and disadvantages,
describing the applicability to different types of samples, and
showing the fitness to specific chromatographic determinations.
Discussing strategies to determine the structure and machanisms of numerous compound classics, this book covers new chemical and elctrophoretic techniques for rapid sample preconcentration and separation. It summarizes breakthroughs in the theory and instrumentation of electrospray mass spectrometry in pharmaceutical and biomedical applications, provides practical examples for the characterization of peptides, proteins, and glycoproteins, includes applications in proteomics, combinatorial chemistry, and drug characterization. Topics include chemical and electrophoretic techniques for rapid sample preconcentration and separation, screening processes for proteins from libraries of compounds, protein folding and dynamics, and more.
This reference/text presents a complete and thorough examination of the latest advances in the instrumentation, evaluation, and implementation of UV technology for reliable and efficient data acquisition and analysis-providing real-world applications in expanding fields such as chemical physics, plasma science, photolithography, laser spectroscopy, astronomy, and atmospheric science, and highlighting important UV and VUV laser light generation issues. Discusses the LIF technique for studying organic molecules at low vibrational temperatures Supplemented with more than 1000 contemporary references, Ultraviolet Spectroscopy and UV Lasers is a clear and authoritative reference for spectroscopists, optical physicists and engineers; photolithography specialists; analytical chemists; biochemists; atmospheric specialists; biophysicists; astronomers; laser and solid-state laser material specialists; and an excellent text for upper-level undergraduate and graduate students in these disciplines.
The Clermont-Ferrand-Theix Institut National de la Recherche Agronomique (INRA) was proud to organize the 10th International Conference on the applications of Magnetic Resonance in Food Science to celebrate its 10th anniversary. This scientific event was held from 13 to 15 September 2010 in Clermont-Ferrand. The conference attracted 90 participants from 14 countries from all over the world. The conference included 7 invited lectures, 19 oral presentations and 27 oral poster presentations. Moreover, before the scientific sessions, two postgraduate sessions were given in parallel every morning. The conference was divided in 6 sessions covering i) Data processing, ii)New developments/food system, iii) New developments/NMR, iv) Nutrition, v) Metabolomic and vi) Imaging. The book follows the form of the conference. This year's meeting corresponded to its 10th anniversary. The first international conference was held in 1992 at the University of Surrey in Guilford on Professor Peter Belton's and Professor Graham Webb's initiative. During the last 20 years, a lot of developments were performed and the next 20 years are also very exciting. This meeting presentations were focused on the new developments in NMR techniques: hardware as well software with metabolomic and imaging without the new applications of NMR tools in food of course and now in nutrition. |
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