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Modified Nucleosides in Cancer and Normal Metabolism - Methods and Applications
This book comprises the lectures presented at the workshop Modified Nuc1eosides and Cancer held from 28 September to 2 October, 1981 in Freiburg, West Germany. The workshop was organized by Gisela Nass and sponsored by the Deutsche Forschungsgemeinschaft. The purpose of the workshop was to cover the varied analytical methods for quantitative and qualitative determination of modified nucleosides and their metabolism including bio synthesis, all in relation to the function of these compounds in the origin and growth of cancer cells. The potential signi ficance of measuring modified nucleosides in body fluids for tumor diagnosis in humans received particular attention. Various fields of research which have previously been segregat ed are thus unified in this volume. Emphasis was also placed on the fact that modified nucleosides are constituents of the genetic material, the desoxyribonucleic> acid, on the one hand, and of the transfer ribonucleic acids on the other hand, with the latter macromolecules participating not only in the translation of genetic information into protein, but also in many regulatory processes in all single- and multi-, cellular organisms including man.
Analytical Methods for Major and Modified Nucleosides - HPLC, GC, MS, NMR, UV and FT-IR
This book deals with chromatographic and electrophoretic methods applied for the separation (quantitation and identification) of biologically relevant compounds. It is assumed that the potential reader is familiar with the basics of chromatographic and electromigration methods. Individual separation modes are dealt with to an extent which follows their applicability for biomedical purposes: liquid chromatography and electromigration methods are therefore highlighted. Each chapter is completed with a list of recent literature covering the 1987-1997 period, which can be used for further guidance of the reader in his/her own field. The chapters have been written by specialists in a particular area and with an emphasis on applications to the biomedical field. This implies that theoretical and instrumental aspects are kept to a minimum which allows the reader to understand the text. Considerable attention is paid to method selection, detection and derivatization procedures and troubleshooting. The majority of examples given represent the analyses of typical naturally-occurring mixtures. Adequate attention is paid to the role of the biological matrix and sample pretreatment, and special attention is given to forensic, toxicological and clinical applications. The book is completed with an extensive Index of Compounds Separated.
Biological Roles and Function of Modification
Bioaffinity chromatography is now the preferred choice for the purification, determination or removal of many biologically active substances. The book includes information on biologically active substances with their affinants, solid supports and methods of coupling, summarized in tables covering classical, high-performance liquid and large-scale bioaffinity chromatography. Optimization of the preparation and the use of highly active and stable biospecific adsorbents is discussed in several chapters. Following a chapter dealing with the choice of affinity ligands, affinity-sorbent bonding is described in detail. Other chapters give information on solid supports, the most common coupling procedures and a general discussion of sorption and elution. Several applications of bioaffinity chromatography are described, e.g. quantitative evaluation of biospecific complexes and many applications in medicine and in the biotechnology industry.
Applications