Chiral Chromatography

Book Description

Chiral Chromatography Thomas E. Beesley Advanced Separation Technologies Inc., Whippany, New Jersey, USA Raymond P. W. Scott Chemistry Department, Georgetown University, Washington DC, USA and Chemistry Department, Birkbeck College, University of London, UK Analytical techniques based on separation processes, such as chromatography and electrophoresis, are finding a growing range of applications in chemical, pharmaceutical and clinical laboratories. The Wiley Separation Science Series provides the analyst in these laboratories with well-focused books covering individual techniques, so that they can be applied more efficiently and effectively to contemporary analytical problems. The different enantiomers of a drug can exhibit widely different physiological activity in degree and nature. As a result, the separation and identification of enantiomers is now a very important analytical problem and chiral chromatography is the natural technique to apply to the resolution of such mixtures. Chiral Chromatography provides the reader with a basic understanding of the nature of chromatographic separations and relates the principles specifically to the separation of enantiomers. The following information is included:
* chiral separations involving both gas and liquid chromatography
* descriptions of the apparatus used for both techniques
* detailed discussion on the retention mechanism that results in chiral selectivity
* the structure and synthesis of a wide range of chirally active stationary phases used in both gas and liquid chromatography
* preparative applications for large scale purification of enantiomers
* applications of capillary electrophoresis and capillary electrochromatography.
In addition to the above, a large number of examples of the separation of both commercially and physiologically interesting chiral mixtures are given, as is a detailed discussion on the mechanism of selectivity of each example. Thomas Beesley was founder and is the CEO for a leading manufacturer of chiral stationary phases and has published papers on TLC, HPLC and chiral separations involving cyclodextrins. He has also coauthored papers with Daniel W. Armstrong, an expert on modern cyclodextrin columns. Raymond Scott has worked in the field of separation science for over 40 years and has contributed extensively to the development of both gas and liquid chromatography publishing over 160 papers on the subjects.

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Chiral Liquid Chromatography
W.J. Lough
Manufacturer: Kluwer Academic Publishers
ProductGroup: Book
Binding: Hardcover

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Chiral Pollutants: Distribution, Toxicity and Analysis by Chromatography and Capillary Electrophoresis

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Chiral Pollutants: Distribution, Toxicity and Analysis by Chromatography and Capillary Electrophoresis
Imran Ali , and Hassan Y. Aboul-Enein
Manufacturer: Wiley
ProductGroup: Book
Binding: Hardcover

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Book Description

Today, among the various chiral discrimination methods, chromatography and capillary electrophoresis techniques have become powerful tools in environmental analysis. Therefore, there is a need to describe the art of the determination of the chiral pollutants in the environmental matrices. This book provides the complete information on the types of the chiral pollutants, their toxicities and methods of determination by chromatography and capillary electrophoresis.

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Adam Hart Davis has interviewed some of the most influential scientists and thinkers of our time. In this fascinating insight into modern science he presents the stories behind the science, the difficulties behind the discoveries and the future of the findings, as explained by the people themselves.

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Chiral Separation Techniques

Manufacturer: Wiley-VCH
ProductGroup: Book
Binding: Hardcover

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Book Description

This is a completely revised and updated sequel to 'A Practical Approach to Chiral Separations by Liquid Chromatography' by the same editor. The scope has been extended to further chiral separation techniques like electrophoresis, membrane separations, or biological assays. More emphasis is put on preparative separation techniques.

From reviews of the previous edition:
"A team of experts from academic and industrial laboratories throughout the world have compiled their findings and experience to make this book an exceptionally timely and unique contribution to the field" --European Journal of Drug Metabolism

Book Description

The primary focus of this book is on developing or selecting suitable chromatographic methods for chiral separations. A large number of examples are given to assist in this process, including thin-layer, gas, HPLC, supercritical fluid, capillary electrophoresis, and membrane separations. It provides information on stereochemistry, TLC, GLC, and CE separation methods and detection; explores the importance of preparative separations; and illustrates the stereoisomeric composition of chemical compounds of pharmaceutical significance. There is discussion of regulations and requirements as they apply to the development of pharmaceutical compounds, and a detailed section on HPLC methods.

Chiral Separations by Liquid Chromatography (Acs Symposium Series)

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Chiral Separations by Liquid Chromatography (Acs Symposium Series)

Manufacturer: An American Chemical Society Publication
ProductGroup: Book
Binding: Hardcover

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ASIN: 0841221162

Book Description

A definitive reference for researchers working on problems involving chirality. Presenting state-of-the-art information, this volume covers all the major modes of separation and offers contributions from the leading researchers who developed these techniques. Four chapters provide a detailed review of the commonly used columns: brush type, cyclodextrin, polysaccaride carbonate, and protein. Many of the papers focus on HPLC, a technique which is also ideally suited for large scale preparation of optical isomers. In addition, the volume provides significant discussion on the use of chiral discriminators or selectors.

Chiral Separations by Liquid Chromatography: Theory and Applications (Chromatographic Science, Vol. 90) (Chromatographic Science)

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Chiral Separations by Liquid Chromatography: Theory and Applications (Chromatographic Science, Vol. 90) (Chromatographic Science)
Hassan Y. Aboul-Enein , and Imran Ali
Manufacturer: CRC
ProductGroup: Book
Binding: Hardcover

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ASIN: 0824740149

Book Description

Unique in its systematic and detailed description of the various types, structures, and properties of chiral stationary phases (CSPs) and their preparation, application, and future scope, this volume highlights an assortment of liquid chromatographic approaches, including sub- and super-critical fluid chromatography, capillary electrochromatography, and thin layer chromatography. Readers will find: · viable optimization techniques for enantiomeric resolution on various types of CSPs · new strategies in liquid chromatography and related technologies of chiral separations · a valuable resource filled with 1200 of the most recent and relevant literature citations

Chiral Separations: Applications and Technology (ACS Professional Reference Books)

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Chiral Separations: Applications and Technology (ACS Professional Reference Books)

Manufacturer: An American Chemical Society Publication
ProductGroup: Book
Binding: Hardcover

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Book Description

Chronicles the theory and practical applications of chiral technology by focusing on the efficient preparation, isolation, and separation of chiral molecules in optically pure forms. Discusses asymmetric synthesis and chiral resolution in a variety of contexts, including enantioselective reactions and additions, enzyme-catalyzed reactions, chromatographic methods with various chiral stationary phases or chiral discriminators, and enantioselective membrane transport.

Chromatographic Chiral Separations (Chromatographic Science)

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Chromatographic Chiral Separations (Chromatographic Science)
Morris Zief
Manufacturer: Marcel Dekker
ProductGroup: Book
Binding: Hardcover

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Book Description

The geometry of curves has fascinated mathematicians for 2500 years, and the theory has become highly abstract. Recently links have been made with the subject of error correction, leading to the creation of geometric Goppa codes, a new and important area of coding theory. This book is an updated and extended version of the last part of the successful book Error-Correcting Codes and Finite Fields. It provides an elementary introduction to Goppa codes, and includes many examples, calculations, and applications. The book is in two parts with an emphasis on motivation, and applications of the theory take precedence over proofs of theorems. The formal theory is, however, provided in the second part of the book, and several of the concepts and proofs have been simplified without sacrificing rigour.

Customer Reviews:

Best Book on Goppa Codes.......2000-05-07

This is the best book I've seen explaining Goppa codes and their mathematical background. The explanation of algebraic curves is much easier to follow than the other two books I know of on this topic, "Algebraic Function Fields and Codes" by Stichtenoth and "Algebraic Curves over Finite Fields" by Moreno. In fact, even if you aren't especially interested in Goppa codes, this would be a good book from which to learn the basics of algebraic curves.

Book Description

Algebraic geometry is often employed to encode and decode signals transmitted in communication systems. This book describes the fundamental principles of algebraic coding theory from the perspective of an engineer, discussing a number of applications in communications and signal processing. The principal concept is that of using algebraic curves over finite fields to construct error-correcting codes. The most recent developments are presented including the theory of codes on curves, without the use of detailed mathematics, substituting the intense theory of algebraic geometry with Fourier transform where possible. The author describes the codes and corresponding decoding algorithms in a manner that allows the reader to evaluate these codes against practical applications, or to help with the design of encoders and decoders. This book is relevant to practicing communication engineers and those involved in the design of new communication systems, as well as graduate students and researchers in electrical engineering.

Algebraic Curves over Finite Fields: Error-Correcting Codes and Exponential Sums (Cambridge Tracts in Mathematics)

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Very not self contained
Informative, oddly organized

Algebraic Curves over Finite Fields: Error-Correcting Codes and Exponential Sums (Cambridge Tracts in Mathematics)
Carlos Moreno
Manufacturer: Cambridge University Press
ProductGroup: Book
Binding: Paperback

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ASIN: 052145901X

Book Description

In this tract, Professor Moreno develops the theory of algebraic curves over finite fields, their zeta and L-functions, and, for the first time, the theory of algebraic geometric Goppa codes on algebraic curves. Among the applications considered are: the problem of counting the number of solutions of equations over finite fields; Bombieri's proof of the Reimann hypothesis for function fields, with consequences for the estimation of exponential sums in one variable; Goppa's theory of error-correcting codes constructed from linear systems on algebraic curves; there is also a new proof of the TsfasmanSHVladutSHZink theorem. The prerequisites needed to follow this book are few, and it can be used for graduate courses for mathematics students. Electrical engineers who need to understand the modern developments in the theory of error-correcting codes will also benefit from studying this work.

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Very not self contained.......2007-09-06

Hi,

I tried to read this book as I wanted to understand Bombieri's
proof of Weil's Theorem (Reimann hypothesis for function fields over
finite field)
For me this this book was very hard to read- I spent alot of time trying to
understand the first chapter-and did not get far.
The book is far from self contained and contains some errors
I think that this is far from inevitable- as there
are books who explain Bombieri's proof- the new vesion of
Schmidt's book equations over finite fields, and I think Stichentoff's
book algberaic function fields and codes- that are much more
accesible

Maybe this book has advantages that I currently cannot
appreciate- but If you're in a situation like mine-someone
that has undergraduate and partial graduate knowledge of
math , and you want to understand Bombieri's proof
and some concepts from function fields and algebraic geometry
- I recommend you look elsewhere

Informative, oddly organized.......2001-10-28

This is really two booklets put together, one for mathematicians and one for computer scientists or electrical engineers, with the more accessible one put second. Throughout, the method is very algebraic, as opposed to geometrical. The author explains that he wants to require as little geometry as possible. And this book assumes you have your own motivation for the material. So it gives few examples or explanations until after the theorems are proved. Probably the best source for introductory examples and geometric motivation for Zeta functions on finite fields is chapters 7, 10, and 11 of Ireland and Rosen's CLASSICAL INTRODUCTION TO MODERN NUMBER THEORY.

Moreno's chapters 1-4 aim at math grad students. Chapters 1-3 prove the Riemann-Roch theorem for curves on finite fields, and then use it to give Bombieri's proof of the Riemann Hypothesis for those curves. The treatment is on the level of Hartshorne's ALGEBRAIC GEOMETRY and often refers to that book for an alternative account. But Moreno's book is just on dimension one, and only over finite fields. So he proves the Riemann Hypothesis for this case by page 69, while Hartshorne gives the proof as an exercise on page 368. Ireland and Rosen prove only some special cases, notably the case of elliptic curves on their page 302.

Chapter 4 continues the first three, with a very long and attractive discussion of L functions and exponential sums on these curves, with applications in number theory. I have not learned this material yet but I'll tell you this is the most encouraging treatment of it I have seen.

Chapter 5, which is over one third of the book, does not assume the earlier chapters. It aims at computer scientists interested in the theoretical limits on efficiency of Goppa codes and practical ways to approach those limits. Here are much more elementary explanations of the methods used in earlier chapters. It explains the "birational" viewpoint where a curve is studied by way of the field of rational functions on it, and in fact that field takes on a life of its own. The original curve is forgotten and "points" are defined to be "discrete valuation rings" of any function field. Moreno explains how, in clear cases, these correspond to the points of geometrical curves. But, as a key example, "points" at infinity are automatically included on this approach, even if you do not include them in the geometric curves. He explains what the Riemann-Roch theorem actually says about curves. This chapter does not give complete proofs, and indeed it cites other books for the proof of at least one theorem that was already proved in chapter 1.

Book Description

This book has two objectives. The first is to fill a void in the existing mathematical literature by providing a modern, self-contained and in-depth exposition of the theory of algebraic function fields. Topics include the Riemann-Roch theorem, algebraic extensions of function fields, ramifications theory and differentials. Particular emphasis is placed on function fields over a finite constant field, leading into zeta functions and the Hasse-Weil theorem. Numerous examples illustrate the general theory. Error-correcting codes are in widespread use for the reliable transmission of information. Perhaps the most fascinating of all the ties that link the theory of these codes to mathematics is the construction by V.D. Goppa, of powerful codes using techniques borrowed from algebraic geometry. Algebraic function fields provide the most elementary approach to Goppa's ideas, and the second objective of this book is to provide an introduction to Goppa's algebraic-geometric codes along these lines. The codes, their parameters and links with traditional codes such as classical Goppa, Peed-Solomon and BCH codes are treated at an early stage of the book. Subsequent chapters include a decoding algorithm for these codes as well as a discussion of their subfield subcodes and trace codes. Stichtenoth's book will be very useful to students and researchers in algebraic geometry and coding theory and to computer scientists and engineers interested in information transmission.

Customer Reviews:

an introduction to Goppa codes.......2003-08-22

Coding theory is fundamental to make digital transmission technology work efficiently and usually uses Reed-Solomon codes. The "natural" extension of those codes is to consider riemann surfaces over finite fields.

The theory is developped from scratch and does not assume any knowledge of algebraic geometry. The author gave a proof of the Hasse-Weil bounds using the Zeta function. In parallel the theory of linear codes and Goppa codes is introduced from the beginning.

Book Description

This book constitutes the refereed proceedings of the 19th International Symposium on Applied Algebra, Algebraic Algorithms and Error-Correcting Codes, AAECC-13, held in Honolulu, Hawaii, USA in November 1999.The 42 revised full papers presented together with six invited survey papers were carefully reviewed and selected from a total of 86 submissions. The papers are organized in sections on codes and iterative decoding, arithmetic, graphs and matrices, block codes, rings and fields, decoding methods, code construction, algebraic curves, cryptography, codes and decoding, convolutional codes, designs, decoding of block codes, modulation and codes, Gröbner bases and AG codes, and polynomials.

Applied Algebra, Algebraic Algorithms and Error-Correcting Codes: 14th International Symposium, AAECC-14, Melbourne, Australia, November 26-30, 2001. Proceedings (Lecture Notes in Computer Science)

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Applied Algebra, Algebraic Algorithms and Error-Correcting Codes: 14th International Symposium, AAECC-14, Melbourne, Australia, November 26-30, 2001. Proceedings (Lecture Notes in Computer Science)

Manufacturer: Springer
ProductGroup: Book
Binding: Paperback

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ASIN: 3540429115

Book Description

This book constitutes the refereed proceedings of the 14th International Symposium on Applied Algebra, Algebraic Algorithms and Error-Correcting Codes, AAECC-14, held in Melbourne, Australia in November 2001.The 36 revised full papers presented together with four invited papers were carefully reviewed and selected from 61 submissions. The papers are organized in topical sections on block codes, code constructions, codes and algebra - rings and fields, codes and algebra - algebraic geometry codes, sequences, cryptography, algorithms, algorithms - decoding, and algebraic constructions.

Codes and Curves (Student Mathematical Library, Vol. 7) (Student Mathematical Library, V. 7.)

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Concise introduction to algebraic geometric codes

Codes and Curves (Student Mathematical Library, Vol. 7) (Student Mathematical Library, V. 7.)
Judy L. Walker
Manufacturer: Amer Mathematical Society
ProductGroup: Book
Binding: Paperback

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ASIN: 082182628X

Book Description

When information is transmitted, errors are likely to occur. This problem has become increasingly important as tremendous amounts of information are transferred electronically every day. Coding theory examines efficient ways of packaging data so that these errors can be detected, or even corrected.

The traditional tools of coding theory have come from combinatorics and group theory. Since the work of Goppa in the late 1970s, however, coding theorists have added techniques from algebraic geometry to their toolboxes. In particular, by re-interpreting the Reed-Solomon codes as coming from evaluating functions associated to divisors on the projective line, one can see how to define new codes based on other divisors or on other algebraic curves. For instance, using modular curves over finite fields, Tsfasman, Vladut, and Zink showed that one can define a sequence of codes with asymptotically better parameters than any previously known codes.

This book is based on a series of lectures the author gave as part of the IAS/Park City Mathematics Institute (Utah) program on arithmetic algebraic geometry. Here, the reader is introduced to the exciting field of algebraic geometric coding theory. Presenting the material in the same conversational tone of the lectures, the author covers linear codes, including cyclic codes, and both bounds and asymptotic bounds on the parameters of codes. Algebraic geometry is introduced, with particular attention given to projective curves, rational functions and divisors. The construction of algebraic geometric codes is given, and the Tsfasman-Vladut-Zink result mentioned above is discussed.

Customer Reviews:

Concise introduction to algebraic geometric codes.......2004-11-06

The book gives an overview of algebraic coding theory. The first chapter introduces error correcting codes, the Hamming distance, Reed-Solomon codes, and concludes with a brief exposition of cyclic codes. The second chapter discusses some upper bounds on the minimum distance of a code such as the Singleton and Plotkin bounds.

The second theme of this book are algebraic curves. Chapter 3 contains the basic definitions and some examples of algebraic curves. The concept of a nonsingular curve is explained in Chapter 4. This chapter also contains a half page explanation of the genus of a curve. The Riemann-Roch theorem is finally covered in Chapter 5.

The two themes come together in Chapters 6 and 7. These chapters discuss the basic principles of algebraic geometry codes.

This little book gives the reader a first taste of an intriguing field. The most surprising part is how much is covered in so few pages [the main text without appendices has 44 pages]. The explanations are always accessible for undergraduate students of mathematics, computer science, or electrical engineering. The prerequisites are some knowledge of abstract algebra, but most material is reviewed in the appendices.

It is a lovely little book that is written in a lively style. The book nicely complements the typical college courses on coding theory. If you want to get an idea what algebraic geometric codes are and you want a quick answer, then this is the book for you.

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Codes on Algebraic Curves
Serguei A. Stepanov
Manufacturer: Springer
ProductGroup: Book
Binding: Hardcover

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Book Description

This book provides a self-contained introduction to the theory of error-correcting codes and related topics in number theory, Algebraic Geometry and the theory of Sphere Packings. The material is presented in an easily understandable form.
This book is devoted to geometric Goppa codes; the recently discovered areas which combines Coding Theory, Algebraic Geometry, Number Theory, and Theory of Sphere Packings. It has an interdisciplinary nature and demonstrates the close interconnection of Coding Theory with various classical areas of mathematics. There are four main themes in the book. The first is a brief exposition of the basic concepts and facts of error-correcting code theory. The second is a complete presentation of the theory of algebraic curves; especially the curves defined over finite fields. The third is a detailed description of the theory of elliptic and modular codes, and their reductions modulo a prime number. The fourth is a construction of geometric Gappa codes producing rather long linear codes with very good parameters coming from algebraic curves, and with a lot of rational points.
The aim of the book is to present these themes in a simple, easily understandable manner, and explain their close interconnection. At the same time the book introduces the reader to topics which are at the forefront of current research.

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Algebraic Curves over Finite Fields : Error-Correcting Codes and Exponential Sums (Cambridge Tracts in Mathematics)
Carlos Moreno
Manufacturer: NY
ProductGroup: Book
Binding: Paperback
ASIN: B000MUH4NE

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CODES & ALGEBRAIC CURVES
Oliver Pretzel
Manufacturer: Oxford University Press(UK)
ProductGroup: Book
Binding: Paperback
ASIN: B000OLKN4S

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