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Books > Science & Mathematics > Chemistry > Analytical chemistry > General
Since several excellent books have appeared on the issue of chemical and biochemical sensing, this compendium concentrates on recent creative new approaches using chemical means for the detection and quanti?cation of - portant analytes. These are presented either from a technical viewpoint or fromtheperspectiveofselectivemolecularrecognitionwitharti?cialreceptor molecules. Consequently, the entire book is subdivided into two categories, i. e. , natural targetsand detection techniques. In the ?rst part, the challenging task of sensing peptides and proteins as wellassaccharidesisaddressedfromseveralperspectives:Smalllibrarieswith maximum diversity are ef?ciently used to reach high af?nity and selectivity of arti?cial hosts for short peptide sequences. Preorganized aromatic vessels are tailored for certain protein epitopes and shown to selectively address the prion protein, and a new conjugation technique operating at physiological conditions on helix-loop-helix motifs, leads to protein binders of exquisite af?nity. Finally, elegant sensor systems for multifunctional carbohydrates in their naturalform,whichuse theprinciple ofphoto-induced electrontransfer for ?uorescence detection, are presented. The second part of this book is devoted to creative detection techniques employing chemical processes: Liposomes with integral self-assembled - acetylene lipid areas show an intense blue color, which gradually changes to red if biological analytes of various sizes speci?cally interact with emb- ded hosts. Principal component analysis and arti?cial neuronal networks are novel methods to quantitatively analyze complex mixtures. An alternative - proach uses arti?cial peptidic pores, which are able to release self-quenched ?uorophoresthataresubstitutedbytighterbindinganalytes.
* Much progress has been made in the last 8 years in understanding the theory and practice of silane coupling agents. A major advance in this direction was the measurement of true equilibrium constants for the hydroly sis and formation of siloxane bonds. Equilibrium constants for bond reten tion are so favorable that a silane coupling agent on silica has a thousandfold advantage for bond retention in the presence of water over an alkoxysilane bond formed from hydroxy-functional polymers and silica. In practice, the bonds of certain epoxies to silane-primed glass resist debonding by water about a thousand times as long as the epoxy bond to unprimed glass. Oxane bonds of silane coupling agents to metal oxides seem to follow the same mechanism of equilibrium hydrolysis and rebonding, although equilibrium constants have not been measured for individual metal-oxygen silicon bonds. This suggests, however, that methods of improving bond retention to glass will also improve the water resistance of bonds to metals. of standard coupling agents with a hydrophobic silane or one Modification with extra siloxane cross-linking have improved the water resistance of bonds to glass and metals another hundredfold over that obtained with single coupling agents."
Over the past years, the chem(o)informatics field has further evolved and new application areas have opened up, for example, in the broadly defined area of chemical biology. In Chemoinformatics and Computational Chemical Biology, leading investigators bring together a detailed series of reviews and methods including, among others, system-directed approaches using small molecules, the design of target-focused compound libraries, the study of molecular selectivity, and the systematic analysis of target-ligand interactions. Furthermore, the book delves into similarity methods, machine learning, probabilistic approaches, fragment-based methods, as well as topics that go beyond the current chemoinformatics spectrum, such as knowledge-based modeling of G protein-coupled receptor structures and computational design of siRNA libraries. As a volume in the highly successful Methods in Molecular Biology (TM) series, this collection provides detailed descriptions and implementation advice that are exceedingly relevant for basic researchers and practitioners in this highly interdisciplinary research and development area. Cutting-edge and unambiguous, Chemoinformatics and Computational Chemical Biology serves as an ideal guide for experts and newcomers alike to this vital and dynamic field of study.
The author has drawn together almost all published methods since 1975 on the determination of anions in all types of matrices. He presents the methods in a logical manner so that the reader can quickly gain access to the method and types of instrumentation available.
A Guide to Materials Characterization and Chemical Analysis Second Edition Edited by John P. Sibilia This book provides an overview of the most current techniques used for chemical analysis, materials evaluation, and materials testing. Over 100 materials methodologies, evaluations, chemical analyses, physical testing, and scientific computing techniques are covered, including the fields of molecular spectroscopy, mass spectroscopy, chromatography, chemical analysis, x-ray analysis, microscopy, surface science, thermal analysis, and polymer characterization. All of the techniques are explained in a clear, easy-to-read format and are discussed in terms of their use, sample requirements, and the underlying chemical, physical, and engineering principles. Many real-life industrial and academic applications are included to give the reader a true feel for the significance and uses of each technique, enabling him or her to identify the best approach for solving a particular problem. For each technique, a section is included that describes its advantages and limitations, along with general references for further reading. A Guide to Materials Characterization and Chemical Analysis, Second Edition, will be of interest to analytical, inorganic, organic, and physical chemists; physicists; materials scientists; chemical engineers; and instructors and students in materials science and instrumental analysis.
The series Molecular Methods of Plant Analysis launches the former 'Modern Methods' into the 'molecular' era with this volume on "Taste and Aroma". Analysis of the plant components interacting with these two senses, so important for the very survival of human beings and, in more recent times, the key to their enjoyment of life as well, is presented with examples of the use of molecular approaches. These include DNA microarrays, antisense technology and RNA gel blot analysis.Some recent advances in plant analysis technology embrace amongst others the use of electroantennography in the detection of physiologically important flower volatiles. An introductory chapter explains what we know about the molecular biology of human taste and aroma receptors, as this has implications for the analysis of plant components interacting with these receptors. As the first volume in the molecular series, this book lays the foundation for others to come.
Although a large number of books are available in the fields of solvent extraction and ion exchangers (extraction by chelation or solvation), this book is the first of its kind in the field of liquid ion exchangers (extraction by ion pair formation) which is an upcoming field in solvent extraction chemistry. There are a number of monographs dealing with various aspects of solvent extraction. However, the present title deals in depth with analytical chemistry liquid ion exchangers. This monograph will be very useful to analytical chemists, environmental scientists, chemical processing and material scientists, research workers in solvent extraction as well as postgraduate students majoring in analytical chemistry.This monograph comprises of several chapters. The introduction deals with elementary ideas about liquid ion exchangers and their comparisons with the solid ion exchange resins. The chapter on solvent extraction covers the general classification of mechanisms of extraction and consideration of the extraction equilibria. There are two chapters pertaining to important characteristics and principles of extraction by both liquid anion as well as liquid cation exchangers. The rest of the chapters deal with the separation of elements with liquid ion exchangers, reverse phase partition chromatography and usage of solvent extraction in separation of metals for industrial purposes.
Field flow fractionation (FFF) is an emerging separation technique, which has been proven successful in the analysis of pharmaceuticals, biotechnology products, polymers, soils, and foods, among others. In this book, Martin Schimpf joins forces with Karin Caldwell and J. Calvin Giddings, two of the primary developers of this technique, to bring you the first comprehensive, one-stop reference on the technique.
This volume has been designed to offer a balanced account of the laboratory synthesis, industrial manufacture and biosynthesis of lipids. Authors describe the synthesis of all the major lipid classes, including new and revised procedures, and there are chapters devoted to the synthesis and manufacture of vitamin E, other natural antioxidants, sugar esters and ethers, and food surfactants. This authoritative work of reference has something for all lipid scientists and technologists. It is directed at chemists and technologists working in oils and fats processing, the food industry, the oleochemicals industry and the pharmaceutical industry; at analytical chemists and quality assurance personnel; and at lipid chemists in academic research laboratories.
Over the last decade, high performance Capillary electrophoresis (HPCE) has emerged as a powerful and versatile separation technique that promises to rival high performance liquid chromatography when applied to the separation of both charged and neutral species. The high speed and high separation efficiency which can be attained using any of the various modes of HPCE has resulted in the increased use of the technique in a range of analytical environments. The procedures are, however, still in the early stages of development and several barriers remain to their adoption as the technique of choice for a range of analytical problems. One such barrier is the selection and optimization of the conditions required to achieve reproducible separations of analytes and it is in this area that this new book seeks to give assistance. The book is written by an international team of authors, drawn from both academic and industrial users, and the manufacturers of instruments. At its heart are a number of tables, divided into specific application areas. These give details of published separations of a wide range of archetypal analytes, the successful separation conditions and the matrix in which they were presented. These tables are based on separations reported since 1992 and are fully referenced to the original literature. The tables are supported by discussions of the problems that a particular area presents and the strategies and solutions adopted to overcome them. The general areas covered are biochemistry, pharmaceutical science, bioscience, ion analysis, food analysis and environmental science.
Chemiluminescence immunoassay is now established as one of the best
alternatives to conventional radioimmunoassay for the quantitation
of low concentrations of analytes in complex samples. During the
last two decades the technology has evolved into analytical
procedures whose performance far exceeds that of immunoassays based
on the use of radioactive labels. Without the constraints of
radioactivity, the scope of this type of analytical procedure has
widened beyond the confines of the specialist clinical chemistry
laboratory to other disciplines such as microbiology, veterinary
medicine, agriculture, food and environmental testing. This is the
first work to present the topic as a subject in its own right.
Ultrasound is an energy source that has the potential for enhancing
many stages of experimental analysis, but analytical chemists
generally have limited knowledge of this technique. Analytical
Applications of Ultrasound lays the foundations for practicing
analytical chemists to consider ways of exploiting ultrasound
energy in their research. This timely and unique book covers a
broad range of information about ultrasound, providing advances in
ultrasound equipment and demonstrations of how this energy has been
used to enhance various steps of analysis. Given the limited
literature on analytical applications of ultrasound, the authors
provide information from other sources that suggest ways in which
we can use it in the analytical laboratory. The authors discuss the
principles of ultrasound and the variables we must consider in
adapting ultrasound to different problems.
Integrating both theoretical and applied aspects of electrochemistry, this acclaimed monograph series presents a review of the latest advances in the field. The current volume covers ion and electron transfer across monolayers of organic surfactants, determination of current distributions governed by Laplace's equation, and three other subjects.
Spectroscopic Properties of Inorganic and Organometallic Compounds provides a unique source of information on an important area of chemistry. Divided into sections mainly according to the particular spectroscopic technique used, coverage in each volume includes: NMR (with reference to stereochemistry, dynamic systems, paramagnetic complexes, solid state NMR and Groups 13-18); nuclear quadrupole resonance spectroscopy; vibrational spectroscopy of main group and transition element compounds and coordinated ligands; and electron diffraction. Reflecting the growing volume of published work in this field, researchers will find this Specialist Periodical Report an invaluable source of information on current methods and applications. Specialist Periodical Reports provide systematic and detailed review coverage in major areas of chemical research. Compiled by teams of leading experts in their specialist fields, this series is designed to help the chemistry community keep current with the latest developments in their field. Each volume in the series is published either annually or biennially and is a superb reference point for researchers. www.rsc.org/spr
The proceedings of the Fifth International Conference on Miniaturized Chemical and Biochemical Analysis Systems documents the exciting progress being made in this field of research and the continuing success of the conference series. The previous meetings have shown nearly 100% growth in abstract submissions and the fifth of the series continues this trend with nearly 400 abstracts submitted. Simultaneously the quality of the papers in this meeting remains high, as demonstrated in this publication. A broad array of topics is covered in this volume, as would be anticipated for such a highly multidisciplinary field as represented by muTotal Analysis Systems or Lab-on-a-Chip technology, the terms most commonly used to describe microfabricated devices for performing chemical and biochemical experimentation. The field remains heavily focused on microfluidic systems with only a few exceptions addressing gas phase studies. Device and system developments that address measurement problems associated with biotechnology continue to be an emphasis. The profile of electrokinetic-based separation devices for the analysis of DNA and proteins remains high and the interest in devices for cellular analysis is showing considerable growth. Further development of components and strategies for fluid transport, mixing, and dispensing are highlighted. Detection technologies that specifically address quantification issues in chemical and biochemical microsystems became a new emphasis for this meeting. Several new optical detection techniques relevant to microfluid systems are illustrated and microscale versions of NMR probes and mass spectrometers are discussed. New areas of development that are potentiallyemerging are nanofluidics- and microfluidics-based chemical synthesis. Clearly the field of miniaturized chemical and biochemical analysis systems is vibrant and continues to rapidly grow in depth, breadth, and maturity. This volume contains the proceedings of the Fifth International Conference on Miniaturized Chemical and Biochemical Analysis Systems (&mgr;TAS 2001), held in Monterey, California, on October 21&endash;25, 2001. The collection of papers included in the proceedings represents the current state of the art in microsystems for chemical and biochemical experimentation. These proceedings will be a valuable tool for those wanting to become knowledgeable in an exciting field that may well change the way experimental problems in chemistry and biology are approached in the future.
David I.A. Millar's thesis explores the effects of extreme conditions on energetic materials. His study identifies and structurally characterises new polymorphs obtained at high pressures and/or temperatures. The performance of energetic materials (pyrotechnics, propellants and explosives) can depend on a number of factors including sensitivity to detonation, detonation velocity, and chemical and thermal stability. Polymorphism and solid-state phase transitions may therefore have significant consequences for the performance and safety of energetic materials. In order to model the behaviour of these important materials effectively under operational conditions it is essential to obtain detailed structural information at a range of temperatures and pressures.
In response to the growing use of mass spectrometry in the clinical and biomedical fields, this book collects recent research involving electrospray ionization, neuronal systems, and structural modifications of proteins. The significant advances in instrumentation, methodology, experimentation presented herein will serve to expand the current concept of clinical mass spectrometry.
In the broad field of supramolecular chemistry, the design and hence the use of chemosensors for ion and molecule recognition have developed at an extroardinary rate. This imaginative and creative area which involves the interface of different disciplines, e.g. organic and inorganic chemistry, physical chemistry, biology, medicine, environmental science, is not only fundamental in nature. It is also clear that progress is most rewarding for several new sensor applications deriving from the specific signal delivered by the analyte-probe interaction. Indeed, if calcium sensing in real time for biological purposes is actually possible, owing to the emergence of efficient fluorescent receptors, other elements can also be specifically detected, identified and finally titrated using tailored chemosensors. Pollutants such as heavy metals or radionuclides are among the main targets since their detection and removal could be envisioned at very low concentrations with, in addition, sensors displaying specific and strong complexing abilities. Besides, various species of biological interest (or others, the list is large) including sugars and other micellaneous molecules such as oxygen and carbon dioxide can be actually probed with optodes and similar devices. The present volume in which the key lectures of the workshop are collected gives a survey of the main developments in the field. The success of the workshop mainly came from the high quality of the lectures, the invited short talks, the two posters sessions and the many very lively discussions which without doubt will produce positive outcomes.
This is Volume 5 of a Handbook that has been well-received by the
thermal analysis and calorimetry community. All chapters in all
five volumes are written by international experts in the subject.
The fifth volume covers recent advances in techniques and
applications that complement the earlier volumes. The chapters
refer wherever possible to earlier volumes, but each is complete in
itself. The latest recommendations on Nomenclature are also
included. Amongst the important new techniques that are covered are
micro-thermal analysis, pulsed thermal analysis, fast-scanning
calorimetery and the use of quartz-crystal microbalances. There are
detailed reviews of heating - stage spectroscopy, the range of
electrical techniques available, applications in rheology,
catalysis and the study of nanoparticles. The development and
application of isoconversional methods of kinetic analysis are
described and there are comprehensive chapters on the many facets
of thermochemistry and of measuring thermophysical properties.
Applications to inorganic and coordination chemistry are reviewed,
as are the latest applications in medical and dental sciences,
including the importance of polymorphism. The volume concludes with
a review of the use and importance of thermal analysis and
calorimetry in quality control.
Multivariate data analysis is a central tool whenever several variables need to be considered at the same time. The present book explains a powerful and versatile way to analyse data tables, suitable also for researchers without formal training in statistics. This method for extracting useful information from data is demonstrated for various types of quality assessment, ranging from human quality perception via industrial quality monitoring to health quality and its molecular basis. Key features include:
The book is written with ISO certified businesses and laboratories in mind, to enhance Total Quality Management (TQM). As yet there are no clear guidelines for realistic data analysis of quality in complex systems - this volume bridges the gap.
The current volume covers research advances in nuclear magnetic resonance, mass spectrometry, and optical spectroscopy with emphasis on computer-assisted interpretation methodologies.
Natural and Laboratory-Simulated Thermal Geochemical Processes compares a series of thermal natural geochemical events with thermally laboratory-simulated processes. The emphasis is on the geothermal events occurring in nature compared with those simulated in the laboratory, thus furnishing important information at the molecular level for such processes. The book covers the following topics: -Generation of petroleum and its thermal cracking;
Chemical Analysis for Forensic Evidence provides readers with the fundamental framework of forensic analytical chemistry, describing the entire process, from crime scene investigation to evidence sampling, laboratory analysis, quality aspects, and reporting and testifying in court. In doing so, important principles and aspects are demonstrated through the various forensic expertise areas in which analytical chemistry plays a key role, including illicit drugs, explosives, toxicology, fire debris analysis and microtraces such as gunshot residues, glass and fibers. This book illuminates the underlying practical framework that governs how analytical chemistry is used in practice by forensic experts to solve crime. Arian van Asten utilizes a hands-on approach with numerous questions, examples, exercises and illustrations to help solidify key concepts and teach them in an engaging way.
Miniaturization is a challenge thrown down to analytical chemistry. The replacement of conventional analytical systems by miniaturized alternatives during the last years is noticeable. Specifically, the miniaturization of traditional sample preparation techniques (e.g., solid-phase extraction or solvent extraction) led to the development of environmentally benign analytical methods. This book aims to provide an overview of the challenges and achievements inthe application of the miniaturized sample preparation methods in analytical laboratories. It includes both theoretical and practical aspects of miniaturized sample preparation approaches and hence should be of interest to researchers, students and teachers of analytical and bioanalytical chemistry, environmental sciences and environmental engineering. |
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