Capillary electrophoretic separations of drugs

Cover of: Capillary electrophoretic separations of drugs |

Published by Elsevier in Amsterdam, New York .

Written in English

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Subjects:

  • Capillary electrophoresis.,
  • Drugs -- Separation.

Edition Notes

Book details

Statementedited by A.S. Cohen, S. Terabe, Z. Deyl.
ContributionsCohen, A. S., Terabe, S., Deyl, Zdeněk.
Classifications
LC ClassificationsRS189.5.C34 C37 1996
The Physical Object
Paginationix, 450 p. :
Number of Pages450
ID Numbers
Open LibraryOL994614M
ISBN 100444825193
LC Control Number96033181
OCLC/WorldCa35236326

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With contributions from international experts, Chiral Separations by Capillary Electrophoresis provides a general overview of the principles of chiral separation by capillary electrophoresis and the different chiral selectors available.

The book discusses the most important as well as several new chiral selectors used in capillary : Hardcover. However, the electrophore­ tic instruments available in Capillary electrophoretic separations of drugs book 's were labour intensive and employed post-separation detection procedures.

During the late 's and early 's extensive research was con­ ducted into the possibilities of conducting electrophoretic separations in capillaries. Enantiomers of various solutes including several basic drugs and α-amino acids were analyzed by capillary electrophoresis in diluted human serum, and chloroquine and tryptophan were found to be well by: Capillary electrophoretic separations of drugs book Electrophoretic Separations Of Drugs Journal Of Chromatography Supplementary Volume Epub Books FREE BOOK By: Yasuo Uchida Ltd Capillary Electrophoretic Separations Of Drugs Journal Of Chromatography Supplementary Volume Medicine And Health Science Books.

Capillary, Polybrene/polyacrylic acid double coated (75 μm i.d., 50 cm); electrophoretic solution, 50 mM phosphate buffer (pH ) containing serum equivalent to 20 v/v%; capillary temperature, 30 °C; applied voltage, 10 kV; sample introduction, from the anodic end; detection, UV absorption at by: The book's twenty-one chapters explore fundamental aspects of electrophoretically driven separations, instrumentation, sampling techniques, separation modes, detection systems, optimization strategies for method development, and applications.

Dissociation Kinetic Analysis Method for “Complexes” Using Capillary Electrophoretic Separation. Migration order reversal of enantiomers in capillary electrophoretic separation. Journal of Chromatography A(1), DOI: /S(96) Radim Vespalec, Petr Boček. Chiral separations by capillary zone electrophoresis: Present state of the by: Comparison of various capillary electrophoretic approaches for the study of drug–protein interaction with emphasis on minimal consumption of protein sample and possibility of automation†.

Since a new ‘form’ of separation science, namely capillary electrophoresis (CE) has become accepted as both a research and a routine technique for the analysis of a wide variety of analytes, including capillary electroseparation was introduced by Jorgenson and Lukacs () and was developed rapidly by many other groups of separation scientists.

CE has rapidly developed into a technique that rivals HPLC in its versatility. All the classical electrophoretic separations zone, IEF, and isotachophoresis have their counterparts in CE. Excitingly so, and - thoritatively treated in Clinical Applications of Capillary : Hardcover.

Capillary electrophoresis (CE) is an officinal method in the European Pharmacopoeia 7 (), comprising a family of related techniques that employ narrow-bore silica capillaries; the separation. Capillary electrophoretic separation of basic drugs using surface-modified C8 capillaries and derivatized cyclodextrins as structural/chiral selectors.

Chromatographia40 (), DOI: /BF M. Jansson, J. Roeraade. N-methylformamide as a separation medium in capillary electrophoresis. The complete microfluidic capillary electrophoretic device is shown in the diagram. Principle of Operation.

In general, the operation of microfluidic capillary electrophoretic device can be described by three fundamental steps – loading sample/reagents, forming sample plug, and electrophoretic separation.

The coverage in this book includes a range of separation methods, such as gas, liquid, or countercurrent chromatography, and capillary electrophoresis. for chiral drug separations is. Summary. This chapter describes the application of capillary electrophoresis (CE) to pharmaceutical analysis.

The areas of pharmaceutical analysis covered are enantiomer separation, analysis of small molecules such as amino acids or drug counter-ions, pharmaceutical assay, related substances determinations, and physiocochemical measurements such as log P and pKa of by: Capillary electrophoresis separation of neutral organic compounds, pharmaceutical drugs, proteins and peptides, enantiomers, and anions by Wei-Liang Ding A dissertation submitted to the graduate faculty in partial fiilfiUment of the requirements for the degree of DOCTOR OF PHILOSOPHY Major: Analytical ChemistryAuthor: Wei Liang Ding.

Book Review of Chiral Separations by Capillary Electrophoresis. Chromatographia () †DOI /s motic flow and the electrophoretic mobility of the analyzed substance can be affected. Addition of cyclodextrins (CDs) can improve resolution (9). CE has been employed to determine related impurities of the wide range of drugs.

Capillary zone electrophoresis (CZE) is the simplest form of CE. Electrophoretic mobility of particles depends on theFile Size: KB. Figure 5B shows a snapshot of the inside of the capillary during the separation but prior to any peak reaching the detector (D).

Because A and B are influenced by both the EOF and the electrophoretic force, their net movement is the sum of the electroosmotic and electrophoretic vectors. Capillaries. Provides a comprehensive overview of the principles of chiral separation by capillary electrophoresis and the different chiral selectors available.

This book reviews pharmaceutical and biomedical applications and explores novel techniques, such as capillary electrophoresis coupled to mass spectrometry and microchip technology. 7 Capillary Electrophoretic Reactor and Microchip Capillary Electrophoretic Reactor: Dissociation Kinetic Analysis Method for “Complexes” Using Capillary Electrophoretic Separation Process Toru Takahashi and Nobuhiko Iki.

Introduction Basic Concept of CER Dissociation Kinetic Analysis of Metal Complexes Using a CER Separation can be at a resolution of one base pair and individual nucleotides can be identified so allowing a high resolution map of the DNA to be created.

Drug Analysis - CE is used in pharma for the analysis of drugs and related compounds as discussed in Capillary Electrophoresis: an Attractive Technique for Chiral Separations. Its high. Nycomed Pharma in Linz, Austria, developing chiral separations by capillary electrophoresis.

Acknowledgments We would like to thank Kathi J. Ulfelder at Beckman Instruments, Inc., Fuller-ton, California, for many suggestions and contributions to this book. The sup-port of Jim McCoy and Dr. Nelson Cooke at Beckman is also highly Size: KB. Capillary electrophoresis (CE) has been found to be a powerful alternative to HPLC techniques as several chiral separation principles successfully applied in HPLC have been transferred also to CE.

The main advantage of using CE in chiral separations is the small amounts of sample, chiral selector and solvents by: 2. Separation Methods in Drug Synthesis and Purification, Second Edition, Volume Eight, provides an updated on the analytical techniques used in drug synthesis and purification.

Unlike other books on either separation science or drug synthesis, this volume combines the two to explain the basic principles and comparisons of each separation Edition: 2.

Capillary Electrophoresis. Capillary Electrophoresis is a family of techniques that use narrow-bore capillaries to perform high efficiency separations of both large and small molecules.

Using a high voltage power supply, the solution travels from the anode to the cathode through the capillary. Capillary electrophoresis (CE) encompasses a family of electrokinetic separation techniques that uses an applied electric field to separate out analytes based on their charge and size.

The basic principle is hinged upon that of electrophoresis, which is the motion of particles relative to a fluid (electrolyte) under the influence of an electric. The potential of nonaqueous capillary electrophoresis was investigated for the separation of selected anesthetic drugs.

The effect of parameters, such as methanol-acetonitrile composition, temperature, apparent pH * and ionic strength of the electrophoretic media on Cited by:   The large majority of pharmaceutical substances are neutral from electrophoretic point of view, consequently separations by the classic capillary zone electrophoresis; where separation is based on the differences between the own electrophoretic mobilities Cited by: @article{osti_, title = {Capillary electrophoresis separation of neutral organic compounds, pharmaceutical drugs, proteins and peptides, enantiomers, and anions}, author = {Ding, Wei -Liang}, abstractNote = {Addition of a novel anionic surfactant, namely lauryl polyoxyethylene sulfate, to an aqueous-acetonitrile electrolyte makes it possible to separate nonionic organic compounds by.

Capillary electrophoresis (CE) is a family of related techniques that employ narrow-bore ( µm i.d.) capillaries to perform high efficiency separa-tions of both large and small molecules. These separations are facilitated by the use of high voltages, which may generate electroosmotic and electro.

Capillary Electrophoresis book. Trends and Developments in Pharmaceutical Research. such as detection limits, signal detection, changing capillary environment, resolution separation of analytes, and hyphenation of mass spectrometry with CE, for a range of analytical problems.

Each chapter outlines a specific electrophoretic variant with Cited by: 1. Handbook of Capillary Electrophoresis by Landers, James P. A copy that has been read, but remains in clean condition. All pages are intact, and the cover is intact. The spine may show signs of wear.

Pages can include limited notes and highlighting, and the copy can include previous owner inscriptions. At ThriftBooks, our motto is: Read More.

The bore of the tubes used is usually in the range µm. Different coatings are used depending on the sample and the separation required.

Capillary electrophoresis is preferred in certain analyses as it gives rise to a better separation than standard electrophoresis. Capillary. McCormick, R.M. Capillary zone electrophoretic separation of peptides and proteins using low pH buffers in modified silica capillaries. Anal. Chem.60, –Author: Tomoka Nakazumi, Yusuke Hara.

Capillary electrophoresis is a family of electrokinetic separation methods performed in submillimeter diameter capillaries and in micro- and nanofluidic channels. Very often, CE refers to capillary zone electrophoresis, but other electrophoretic techniques including capillary gel electrophoresis, capillary isoelectric focusing, capillary isotachophoresis and micellar electrokinetic chromatography belong also to this class of methods.

In CE methods, analytes migrate through electrolyte Analytes: Biomolecules, Chiral molecules. • Capillary: narrow ( m diameter) fused silica capillary tube ( cm long) • The capillary is immersed in background electrolyte solution at each end • One end is dipped into a sample vial (anode) and ~ 10 nL of liquid are introduced by applying pressure to the sample vial or by applying an electric field between the sample vial and the column.

A separation method based on capillary zone electrophoresis (CZE) with UV detection was developed for the analysis of these mixtures. An acidic phosphoric acid/β-alanine (pH ) buffer containing HPMC, urea and acetonitrile was used for the separation.

The capillary electrophoresis (CE) was able to complete the analysis in six minutes. About this book. Capillary Electrophoresis: Methods and Protocols presents a selection of capillary electrophoresis methods in different applications to separate representative types of molecules and particles, in combination with different detection techniques.

This study deals with the nonaqueous capillary electrophoretic enantioseparation of twenty-two amino alcohol drugs with a maltobionic acid (MA)-based ionic liquid (tetramethylammonium maltobionic acid, TMA-MA) as the novel chiral selector.

In consideration of the poor solubility of MA in organic solvents, we. Capillary electrophoresis is a separation technique in which charged species are separated, based on charge and size, by their different rates of migration in an electric field.Keywords:Anti-arrhythmics, capillary zone electrophoresis, metabolites, mexiletine.

Abstract:The simultaneous separation and quantification of the analytes within the minimum analysis time and the maximum resolution and efficiency are the main objectives in the development of a capillary electrophoretic method for the determination of solutes Cited by: 2.

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