Briefs Multipoint Kinetic Method for the Immunochemical Quantitation of Isoenzymes Developed and Evaluated with Creatine Kinase Inhibition as a Model System 2523
NITRIC ACID SULPHURIC ACID HYDROBROMIC ACID PERCHLORIC ACID
HYDROCHLORIC ACID HYDROFLUORIC ACID ACETIC ACID AMMONIA SOLUTION
TYPICAL SPECIFICATION HCL 3G4S ASSAY
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ca cor c- : = Cr
CL FF
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The proposed approach is evaluated by using the muscle and brain subunits of the isoenzymes of creatine kinase as a model system. William E. Weiser and Harry L. Pardue*, Department of Chemistry, Purdue University, West Lafayette, Ind. 47907 Anal. Chem., 58 (1986) Fast Atom Bombardment and Tandem Mass Spectrometry of Covalently Modified Nucleosides and Nucleotides: Adducts of Pyrrolizkfine Alkaloid Metabolites 2527 Upon collisional activation, 12 modified nucleoside and nucleotide ions fragment to yield spectra of daughter ions that are useful for confirming structure and for determining charge location. Κ. Β. Tomer and M. L. Gross*, Midwest Center for Mass Spectrometry, Department of Chemistry, University of Nebraska, Lincoln, Neb. 68588, and M. L. Deinzer, Department of Agricultural Chemistry, Oregon State University, Corvallis, Ore. 97331 Anal. Chem., 58 (1986) Microwave Energy for Acid Decomposition at Elevated Temperatures and Pressures Using Biological and Botanical Samples 2534
CIRCLE 190 ON READER SERVICE CARD
Folk Medicine The Art and the Science Takes the mystery out of miracle cures. Explores the medical prac tices of nonwestern cultures to establish a scientific basis for the successes of folk remedies. Ex plains why western medical re searchers are increasingly turn ing their attention to folk medicine for new drugs. Brings together work from many coun tries and a variety of cultures.
Richard P. Steiner, Editor
215 pages Clothbound (1985) UC 85-22904 ISBN 0-8412-0939-1 US & Canada $22.95 Export $27.95 Order from: American Chemical Society Distribution Office Dept. 99 1155 Sixteenth St., N.W. Washington, DC 20036 or CALL TOLL FREE 800-424-6747 and use your credit card!
CONTENTS Aztec Sources of Some Mexican Folk Medicine · Zuni Indian Medicine: Folk lore or Pharmacology, Science or Sor cery? · Ayurveda: The Traditional Medicine of India · Fijian Medicinal Plants · Medicinal Plants of Papua New Guinea · Australian Medicinal Plants · Plants Used in African Traditional Medi cine · Antithrombotic Agent of Garlic: A Lesson from 5000 Years of Folk Medi cine · Scientific Basis of the Therapeu tic Effects of Ginseng · Anticancer Chinese Drugs: Structure-Activity Relationships · Some Recent Biological Characterizations of Chinese Herbal Preparations · Bioactive Compounds from Three Chinese Medicinal Plants · Zingiberaceious Plants · Alkaloid Com ponents of Zizyphus Plants
A method for predicting and modeling the conditions during acid digestion is described. Reaction control techniques and safety precautions are recommended. H. M. Kingston* and L. B. Jassie, Center for Analytical Chemistry, National Measurement Laboratory, National Bureau of Standards, Gaithersburg, Md. 20899 Anal. Chem., 58 (1986) Inductively Coupled Plasma Mass Spectrometric Detection for Multielement Flow Injection Analysis and Elemental Speciation by Reversed-Phase Liquid Chromatography 2541 The sample is introduced by ultrasonic nebulization with aerosol desolvation. Absolute detection limits for FIA range from 0.01 to 0.1 ng for most elements using lO-^L injections. Joseph J. Thompson and R. S. Houk*, Ames Laboratory—U.S. Department of Energy and Department of Chemistry, Iowa State University, Ames, Iowa 50011 Anal. Chem., 58 (1986) Rapid Seaming Coulostatic Liquid Chromatography/ Electrochemistry in Dual Electrode Cells 2549 With a series dual-electrode cell, a coulostat scanned the potential of one working electrode (either upstream or downstream) while the other was held at fixed potential. Richard K. Trubey and Timothy A. Nieman*, Department of Chemistry, University of Illinois, 1209 West California Street, Urbana, 111. 61801 Anal. Chem., 58 (1986)
1170 A · ANALYTICAL CHEMISTRY, VOL. 58, NO. 12, OCTOBER 1986