Optical Activity And Chiral Discrimination
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Optical Activity And Chiral Discrimination
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Author : S.F. Mason
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-14
Optical Activity And Chiral Discrimination written by S.F. Mason and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-14 with Science categories.
For Louis Pasteur, the two distinctive properties of dissymmetric systems, optical activity and chiral discrimination, provided prime evidence for a Divine origin to the universe. Handedness appeared to be built into the macrocosm of the galaxies, each with a non-superposable mirror image by virtue of its rotation, as well as the microcosm of each molecule of most natural products. The best that the chemist in the laboratory could accomplish appeared to be the synthesis of the detordu internally-compensated meso-form and, as Pasteur ultimately came to admit, the externally-compensated racemic form. In the latter case the chemist generated not merely one but two chiral structures, although parity, and secondary symmetry generally, seemed to be conserved in the enantiomer antipode pair. The cosmic element in the Pasteur tradition received an augmentation in secular form from demonstrations of the non conservation of parity in the weak interactions, and from the discovery of net circularity in the extra-terrestrial photons, such as those from the less-distant planets, particularly the photons from the Jupiter red-spot. The development of the photoacoustic circular analysers a decade ago was received in fact with as much enthusiasm by the astronomers as by the chemists. It would be just to add, however, that the majority of these circular analysers are now to be found, not in the observatories, but in the physical and chemistry laboratories devoted to the molecular aspects of the Pasteur tradition.
Molecular Optical Activity And The Chiral Discriminations
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Author : Stephen F. Mason
language : en
Publisher: Cambridge University Press
Release Date : 1982-10-14
Molecular Optical Activity And The Chiral Discriminations written by Stephen F. Mason and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982-10-14 with Medical categories.
Good,No Highlights,No Markup,all pages are intact, Slight Shelfwear,may have the corners slightly dented, may have slight color changes/slightly damaged spine.
Optical Activity And Chiral Discrimination
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Author : S. F. Mason
language : en
Publisher:
Release Date : 2014-01-15
Optical Activity And Chiral Discrimination written by S. F. Mason and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-15 with categories.
Optical Activity And Chiral Discrimination
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Author : NATO Advanced Study Institute
language : en
Publisher:
Release Date : 1979
Optical Activity And Chiral Discrimination written by NATO Advanced Study Institute and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Chirality categories.
Circular Dichroism And Linear Dichroism
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Author : Alison Rodger
language : en
Publisher:
Release Date : 1997
Circular Dichroism And Linear Dichroism written by Alison Rodger and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Science categories.
The aim of this book is to provide an introduction to all those who wish to use the complementary spectroscopic techniques of optical activity (circular dichroism, CD) and optical anisotropy (linear dichroism, LD) for the study of the structure of molecules and interactions between molecules in solution. The emphasis of the book is on what the techniques are and how to use them for both low and high molecular weight molecules. It is intended to be an easy guide to what a prospective user of CD needs to know and explains how LD is not merely an exotic technique only to be practised by experienced spectroscopists, but may be routinely and usefully employed as an aid to molecular structure determination. This book begins by describing the principles behind CD and LD and how these techniques can be used in the laboratory without using advanced maths or quantum mechanics. The next chapters describe how both techniques may be applied to the study of biological macromolecules and give a detailed description of how they may be used on small molecules to investigate molecular and electronic structure. The final part contains theoretical derivations of all the equations required for the applications described previously. Throughout the book specific molecular examples are used to illustrate concepts and to show the reader how to use the techniques in chemical and biological systems. Circular Dichroism and Linear Dichroism is the first book that is an easy, directly applicable manual to the use and interpretation of both CD and LD. It will be of use to both novices and experienced researchers in the field.
Polarized Light In Optics And Spectroscopy
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Author : David S. Kliger
language : en
Publisher: Elsevier
Release Date : 2012-12-02
Polarized Light In Optics And Spectroscopy written by David S. Kliger and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Science categories.
This comprehensive introduction to polarized light provides students and researchers with the background and the specialized knowledge needed to fully utilize polarized light. It provides a basic introduction to the interaction of light with matter for those unfamiliar with photochemistry and photophysics. An in-depth discussion of polarizing optics is also given. Different analytical techniques are introduced and compared and introductions to the use of polarized light in various forms of spectroscopy are provided. - Starts at a basic level and develops tools for research problems - Discusses practical devices for controlling polarized light - Compares the Jones, Mueller, and Poincaré sphere methods of analysis
Chiral Analysis
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Author : P.L. Polavarapu
language : en
Publisher: Elsevier
Release Date : 2018-05-30
Chiral Analysis written by P.L. Polavarapu and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-30 with Science categories.
Chiral Analysis: Advances in Spectroscopy, Chromatography and Emerging Methods, Second Edition covers an important area of analytical chemistry of relevance to a wide variety of scientific professionals, including chemistry graduate students, analytical chemists, organic chemists, professionals in the pharmaceutical industry, and others with an interest in chirality and chiral analysis. This thoroughly revised second edition covers several new, important areas of chiral analysis that have emerged since the first edition. Three of the new methods provide higher sensitivity than can be realized with the current methods and are expected to become mainstream applications: cavity based methods offer vastly higher sensitivity than conventional polarimetric methods, microwave chiral detection provides unsurpassed sensitivity for identifying diastereomers, and the rotating electric field method offers a competing new approach for the separation of enantiomers. Another topic, chirality in extraterrestrial life, has not been discussed in any other book and is important for understanding the origin of life. - Offers the only book to cover both spectroscopic and separation methods in a single volume - Provides an up-to-date and detailed review of the various techniques available, including new techniques that have emerged since the first edition - Includes contributions from a range of leading experts in the field, now edited by award-winning chirality researcher Prasad Polavarapu
Ewing S Analytical Instrumentation Handbook Fourth Edition
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Author : Nelu Grinberg
language : en
Publisher: CRC Press
Release Date : 2019-02-21
Ewing S Analytical Instrumentation Handbook Fourth Edition written by Nelu Grinberg and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-02-21 with Medical categories.
This handbook is a guide for workers in analytical chemistry who need a starting place for information about a specific instrumental technique. It gives a basic introduction to the techniques and provides leading references on the theory and methodology for an instrumental technique. This edition thoroughly expands and updates the chapters to include concepts, applications, and key references from recent literature. It also contains a new chapter on process analytical technology.
Chirality In Biological Nanospaces
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Author : Nilashis Nandi
language : en
Publisher: CRC Press
Release Date : 2011-07-27
Chirality In Biological Nanospaces written by Nilashis Nandi and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-07-27 with Medical categories.
Chirality is widely studied and omnipresent in biological molecules. However, how the retention of enantiomeric forms persists in many life processes without racemization is still unclear, and the molecular understanding of the stringent chiral specificity in enzymatic reactions is sparse. An overview of the influence of chirality in driving reactions within enzymatic cavities, Chirality in Biological Nanospaces: Reactions in Active Sites covers: Influences of molecular chirality on the structure of the active site and network of interactions to drive reactions with improved speed, accuracy, and efficiency The conserved features of the organization of the active site structures of enzymes The intricate interplay of electrostatic, hydrophobic, and van der Waals interactions Interactions between the active site residues and the substrate molecules Despite being time-consuming and expensive, trial-and-error is often the primary method used to develop synthetic enzymes. This book describes methods that combine crystallographic studies with electronic structure-based computational analysis. These methods may lead to future elucidation of new drugs that can target biological active sites with better efficacy and can be used to design custom-made novel biocytes with improved efficiency.
Organic Conformational Analysis And Stereochemistry From Circular Dichroism Spectroscopy
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Author : David A. Lightner
language : en
Publisher: John Wiley & Sons
Release Date : 2000-03-31
Organic Conformational Analysis And Stereochemistry From Circular Dichroism Spectroscopy written by David A. Lightner and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-03-31 with Science categories.
A unique guide to variable temperature CD spectroscopy and its application in organic chemistry This timely, original, thought-provoking work looks at organic stereochemistry from the perspective of circular dichroism (CD), using variable temperature CD spectroscopy to determine the conformation or absolute configuration of chiral molecules. With an emphasis on the analysis of optically active ketones and the carbonyl chromophore, the authors demonstrate the advantages of this highly sensitive spectroscopic tool for obtaining stereochemical information in diverse areas of organic chemistry, biochemistry, and medicinal/pharmaceutical chemistry. They combine detailed examples of stereochemical analysis with clear, thorough presentations, correlating chiroptical data with molecular mechanics calculations as well as data from NMR spectroscopy and other spectroscopic techniques. In addition, they provide a systematic survey of the professional literature, featuring an extraordinary collection of original CD spectra run at varying temperatures. Coverage includes: * Chiroptical measurements: CD and ORD (Optical Rotatory Dispersion) * Conformational analysis of compounds ranging from simple cyclic ketones to polycyclics * Conjugated and homoconjugated systems * Stereochemistry of the carbon-carbon double bond * Stereochemistry from exciton coupling of two or more chromophores * An interesting historical account of the development of stereochemical concepts