Modified Cyclodextrins
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Modified Cyclodextrins Scaffolds And Templates For Supramolecular Chemistry
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Author : Chris J Easton
language : en
Publisher: World Scientific
Release Date : 1999-04-29
Modified Cyclodextrins Scaffolds And Templates For Supramolecular Chemistry written by Chris J Easton and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-04-29 with Science categories.
Through modification, the natural cyclodextrins are effective templates for the generation of a wide range of molecular hosts. This makes it possible to tailor a cyclodextrin host to a particular guest, to meet specific requirements in the host-guest complex, and opens the way to diverse new areas of supramolecular chemistry. Metallocyclodextrins, rotaxanes and catenanes, as well as surface monolayers of modified cyclodextrins, are readily obtained. The native cyclodextrins serve as scaffolds on which functional groups and other substituents can be assembled, with controlled geometry. This results in substantially improved molecular recognition and procedures for chemical separation, including enantiomer discrimination, through guest binding. Access to the gamut of functional groups greatly expands the utility of cyclodextrins in chemical synthesis and provides catalysts which mimic the entire range of enzymic activity. Modifications to the cyclodextrins also lead to a wide range of photochemistry of cyclodextrin complexes, through which the enhancement of guest reactivity occurs; in addition, light harvesting molecular devices and photochemical frequency switches may be constructed. In solution, modified cyclodextrins have been used to construct molecular reactors, as well as molecular, temperature and pH sensors. At surfaces, they form semipermeable membranes and sensor electrodes. Such exciting fields of chemistry, made possible only through modifications to the natural cyclodextrins, are the subject of this book.
Modified Cyclodextrins For Chiral Separation
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Author : Weihua Tang
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-05-24
Modified Cyclodextrins For Chiral Separation written by Weihua Tang 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 2013-05-24 with Science categories.
Modified Cyclodextrins for Chiral Separation offers a review of the latest advances in developing modified cyclodextrins as chiral selectors for various chromatographic and electromigration techniques. Over the years, many descriptions of chiral separation have appeared in academic journals and books, but most of them have been devoted to either the development of analytical methods and protocols or the summary of different chiral selectors, including cyclodextrins for chiral separation applications. This is in marked contrast to this volume which focuses on the research endeavors concerning the development of cyclodextrin derivatives specifically as either chiral mobile phases for capillary electrophoresis, or chiral stationary phases for various chromatographic techniques including gas chromatography, or high-performance liquid chromatography and supercritical fluid chromatography. The ongoing thread in this book is the synthesis of structurally-defined cyclodextrin derivatives and their applications in enantiomer separation by means of different analytical techniques. Modified Cyclodextrins for Chiral Separation is intended for those who are interested in expanding their knowledge of cyclodextrin chemistry and chiral separation, and in what cyclodextrin modification can be made to suit the needs of chiral selectors for different analytical techniques. It primarily focuses on the state-of-the-art cyclodextrin chemistry which is the basis for all chiral selectors used in these chiral separation techniques. Weihua Tang, PhD, is a professor at the Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology, China. Siu-Choon Ng, PhD, is a professor at the Division of Chemical and Biomedical Engineering, School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore. Dongping Sun, PhD, is a professor at the Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology, China.
Modified Cyclodextrins
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Author : Christopher J. Easton
language : en
Publisher: Imperial College Press
Release Date : 1999-01-01
Modified Cyclodextrins written by Christopher J. Easton and has been published by Imperial College Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-01-01 with Science categories.
Through modification, the natural cyclodextrins are effective templates for the generation of a wide range of molecular hosts. This makes it possible to tailor a cyclodextrin host to a particular guest, to meet specific requirements in the host -- guest complex, and opens the way to diverse new areas of supramolecular chemistry. Metallocyclodextrins, rotaxanes and catenanes, as well as surface monolayers of modified cyclodextrins, are readily obtained. The native cyclodextrins serve as scaffolds on which functional groups and other substituents can be assembled, with controlled geometry. This results in substantially improved molecular recognition and procedures for chemical separation, including enantiomer discrimination, through guest binding. Access to the gamut of functional groups greatly expands the utility of cyclodextrins in chemical synthesis and provides catalysts which mimic the entire range of enzymic activity. Modifications to the cyclodextrins also lead to a wide range of photochemistry of cyclodextrin complexes, through which the enhancement of guest reactivity occurs; in addition, light harvesting molecular devices and photochemical frequency switches may be constructed. In solution, modified cyclodextrins have been used to construct molecular reactors, as well as molecular, temperature and pH sensors. At surfaces, they form semipermeable membranes and sensor electrodes. Such exciting fields of chemistry, made possible only through modifications to the natural cyclodextrins, are the subject of this book.
Cyclodextrins
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Author : Wanda Sliwa
language : en
Publisher: John Wiley & Sons
Release Date : 2017-04-10
Cyclodextrins written by Wanda Sliwa 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 2017-04-10 with Science categories.
Authored by two experts working in this important field of research, the timely book covers the latest advances in the synthesis of cyclodextrins, their properties and important industrial applications. To this end, the authors describe covalent and non-covalent assemblies, cyclodextrin inclusion complexes, cyclodextrin polymers, and modified cyclodextrins, resulting in an up-to-date overview of cyclodextrin chemistry. An invaluable reference for organic and polymer chemists in academia as well as those researchers in industry working in polymer, supramolecular and pharmaceutical chemistry, as well as food, textile and cosmetic science.
Gas Chromatographic Enantiomer Separation With Modified Cyclodextrins
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Author : Wilfried A. König
language : en
Publisher:
Release Date : 1992
Gas Chromatographic Enantiomer Separation With Modified Cyclodextrins written by Wilfried A. König and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Science categories.
Factors Influencing Isomer Discrimination By Modified Cyclodextrins
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Author : Darren Mark Schliebs
language : en
Publisher:
Release Date : 1999
Factors Influencing Isomer Discrimination By Modified Cyclodextrins written by Darren Mark Schliebs and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Cyclodextrins categories.
Modified Cyclodextrins As Catalysts And Molecular Reactors
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Author : Lorna Barr
language : en
Publisher:
Release Date : 2004
Modified Cyclodextrins As Catalysts And Molecular Reactors written by Lorna Barr and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Catalysts categories.
Gas Chromatographic Enantiomer Separation With Modified Cyclodextrins
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Author : Wolfgang König
language : en
Publisher: Wiley-VCH
Release Date : 1999-01-06
Gas Chromatographic Enantiomer Separation With Modified Cyclodextrins written by Wolfgang König and has been published by Wiley-VCH this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-01-06 with Science categories.
Cyclodextrins And Their Complexes
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Author : Helena Dodziuk
language : en
Publisher: John Wiley & Sons
Release Date : 2006-08-21
Cyclodextrins And Their Complexes written by Helena Dodziuk 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 2006-08-21 with Science categories.
Offering comprehensive and up-to-date know-how in one compact book, an experienced editor and top authors cover every aspect of these important molecules from molecular recognition to cyclodextrins as enzyme models. Chapters include reactivity and chemistry, chromatography, X-ray, NMR plus other physicochemical methods, as well as model calculations, rotaxane and catenane structures, and applications in the pharmaceutical industry. The book also discusses other applications such as in the cosmetics, toiletries, textile and wrapping industries, agrochemistry, electrochemical sensors, and devices. A must for everyone working with these substances.
Cyclodextrin Fundamentals Reactivity And Analysis
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Author : Sophie Fourmentin
language : en
Publisher: Springer
Release Date : 2018-04-26
Cyclodextrin Fundamentals Reactivity And Analysis written by Sophie Fourmentin and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-04-26 with Science categories.
This book is the first volume of two volumes on cyclodextrins published in the series Environmental Chemistry for a Sustainable World. After a brief description of the cyclodextrin fundamentals, the first chapter by Grégorio Crini et al. provides an overview of cyclodextrin research during the last 5 years. The second chapter by Michal Řezanka discusses the synthesis of novel cyclodextrin systems by selective modifications. Then Eric Monflier et al. describes the synthesis of nanostructured porous materials based on cyclodextrins, and applications in heterogeneous catalysis and photocatalysis. The use of thermal analyses for assessing cyclodextrin inclusion complexes is reviewed in chapter 4 by Daniel Hădărugă et al. Experimental methods for measuring binding constants of cyclodextrin inclusion compounds are presented by David Landy. The second volume reviews cyclodextrin applications in medicine, food, environment and liquid crystals.