Used routinely in drug control laboratories, forensic laboratories, and as a research tool, thin layer chromatography (TLC) plays an important role in pharmaceutical drug analyses. It requires less complicated or expensive equipment than other techniques, and has the ability to be performed under field conditions. Filling the need for an up-to-date, complete reference, Thin Layer Chromatography in Drug Analysis covers the most important methods in pharmaceutical applications of TLC, namely, analysis of bulk drug material and pharmaceutical formulations, degradation studies, analysis of biological samples, optimization of the separation of drug classes, and lipophilicity estimation.
The book is divided into two parts. Part I is devoted to general topics related to TLC in the context of drug analysis, including the chemical basis of TLC, sample pleparation, the optimization of layers and mobile phases, detection and quantification, analysis of ionic compounds, and separation and analysis of chiral substances. The text addresses the newest advances in TLC instrumentation, two-dimensional TLC, quantification by slit scanning densitometry and image analysis, statistical processing of data, and various detection and identification methods. It also describes the use of TLC for solving a key issue in the drug marketthe presence of substandard and counterfeit pharmaceutical products.
Part II provides an in-depth overview of a wide range of TLC applications for separation and analysis of particular drug groups. Each chapter contains an introduction about the structures and medicinal actions of the described substances and a literature review of their TLC analysis. A useful resource for chromatographers, pharmacists, analytical chemists, students, and R&D, clinical, and forensic laboratories, this book can be utilized as a manual, reference, and teaching source.
Part I Theory of Thin Layer Chromatography in Context of Pharmaceutical
Analysis. Overview of Drug Analysis and Structure of the Book. Chemistry of
Drugs and Its Influence on Retention. Sorbents and Layers Used in Drug
Analysis. Optimization of Mobile Phase Composition. Chromatographic Analysis
of Ionic Drugs. Ionic Liquid Additives to Mobile Phases. Chromatographic
Analysis of Chiral Drugs. Chambers, Sample Application, and New Devices in
the Chromatography of Drugs. 2D Planar Chromatography. Quantitative Detection
of Drugs by Densitometry and Video Scanning. Statistical Evaluation and
Validation of Quantitative Methods of Drug Analysis. Detection and
Identification in TLC Drug Analysis. TLC Determination of Drug Lipophilicity.
Screening of Substandard and Fake Drugs in Underdeveloped Countries by TLC.
Part II Planar Chromatography of Particular Drug Groups. TLC of
Antidepressants and Neuroleptics. TLC of Anxiolytics and Sedatives. TLC of
Morphine Analogs. TLC of Nonopioid Analgesics, Anti-Inflammatics, and
Antimigraine Drugs. TLC of Ergot Alkaloid Derivatives. Thin-Layer
Chromatography of Anesthetics. TLC of Psychostimulants. TLC of
Antiepileptics. TLC of Alzheimers Disease Medicines. TLC of
Antiparkinsonians. Thin-Layer Chromatography of Cardiac Drugs. TLC of
Antihypertensive and Antihypotensive Drugs. TLC of Beta-Blockers and
Beta-Agonists. TLC of Antithrombotics. TLC of Antihyperlipidemics. TLC of
Spasmolytics. TLC of Mucolytic, Antitussive, and Antiasthmatic Drugs. TLC of
Neuromuscular Blockers. TLC of Antiulcers. TLC of Antiemetic Drugs. TLC of
Steroids and Analogs. TLC of Drugs Used in Obesity and Sexual Dysfunction
Treatment. TLC of Prostaglandins. TLC of Diuretics. TLC of Antidiabetics. TLC
of Antihistamines. TLC of Vitamins Including Nicotinic Acid Derivatives. TLC
of Antiseptics. TLC of Sulfonamides. TLC of Quinolones. Thin-Layer
Chromatography of Tuberculostatic Drugs. TLC of Antifungal and Antiprotozoal
Drugs. TLC of -Lactam Antibiotics. TLC of Other Antibiotics. Thin-Layer
Chromatography of Antiviral Drugs. Thin-Layer Chromatography of Anticancer
Drugs. Uncertainty Factors in the Enantioseparation of Chiral Drugs on Silica
Gel Layers. Index.
ukasz Komsta currently serves as assistant professor in the Department of Medicinal Chemistry, Faculty of Pharmacy, Medical University of Lublin, Poland. His research interests include the theory and application of liquid chromatography, especially in connection with computational chemistry and chemometrics, as well as the application of chromatographic methods, especially thin layer chromatography (TLC), in the analysis of drugs. Dr. Komsta is the author or coauthor of more than 80 scientific papers and about 70 scientific conference papers. Since 2011, he has been a member of the editorial board of the journal Acta Chromatographica. He also serves as section editor for the Polish scientific journal Current Issues in Pharmacy and Medical Sciences.
Monika Waksmundzka-Hajnos currently serves as full professor of pharmacy and head of the Department of Inorganic Chemistry at the Faculty of Pharmacy of the Medical University of Lublin, Poland. Her research interests include the theory and application of liquid chromatography, taking into consideration the optimization of chromatographic systems for the separation and quantitation of drugs and their degradation products in pharmaceutical preparations and drugs and their metabolites in body fluids, as well as isolation and/or separation of secondary metabolites in extracts of plant tissues. Professor Waksmundzka-Hajnos is the author or coauthor of about 150 papers, approximately 300 conference papers, and several chapters in known chromatographic textbooks. She is editor of the journal Acta Chromatographica and a member of the editorial board of Journal Planar Chromatography Modern TLC. Since 2011, she has been a member of the editorial board of The Scientific World JournalAnalytical Chemistry. Professor Waksmundzka-Hajnos is the co-editor of two books from the Chromatographic Science Series: Thin-Layer Chromatography in Phytochemistry (2008, with Teresa Kowalska and Joseph Sherma) and High Performance Liquid Chromatography in Phytochemical Analysis (2010, with Joseph Sherma).
Joseph Sherma is currently John D. and Francis H. Larkin Professor Emeritus of Chemistry at Lafayette College, Easton, Pennsylvania. Professor Sherma has authored, coauthored, edited, or coedited more than 750 publications, including research papers and review articles in peer- reviewed journals; approximately 30 invited book chapters; and more than 70 books and U.S. government agency manuals in the areas of analytical chemistry and chromatography. In addition to his research in the techniques and applications of thin layer chromatography, Professor Sherma has a very productive interdisciplinary research program in the use of analytical chemistry to study biological systems with Biology Professor Emeritus Bernard Fried. Professor Sherma served for 23 years as editor for residues and trace elements of the Journal of AOAC International and is currently that journals Acquisitions Editor.
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