CHN: 6 Minutes CHNS: 8 Minutes Oxygen: 4 Minutes More organic elements in less time. The PE 2400 Series IICHNS/O Analyzer won't keep you waiting. It's a self-contained, microprocessor-controlled analyzer that allows for the rapid measurement of CHN, CHNS and/or Oxygen in organic materials. The PE 2400 Series II features multitasking operation. It lets you run samples, add new samples and print results—all at the same time for improved laboratory efficiency. Add the 60-position AutO-
PE 2400 Series II CHNS/OAnalyur
sampler and get results even faster. For more information on the PE 2400 Series II, contact your local Perkin-Elmer office. For product literature in the U.S., call 1-800-762-4000.
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56 A · ANALYTICAL CHEMISTRY, VOL. 65. NO. 2. JANUARY 15, 1993
Harnessing Biotechnology for the 21st Century
P
resenting the proceedings of the Ninth International Biotechnology Symposium, this new volume offers the most recent developments in biotech nology and bioprocessing from leading industrial and academic researchers. The volume's 139 papers are divided into 11 sections covering • Frontiers in Polypeptide Production • Frontiers in Production of Metabolites • Microbiology and Physiology • Biocatalysis and Biotransformation • Bioreactor Engineering • Downstream Processing • Bioinstrumentation and Bioprocessing Control • Policy Issues in Biotechnology • Environmental Engineering and Biology • Agriculture and Food Biotechnology • Biotechnology in Developing Countries Harnessing Biotechnology for the 21st Century is a valuable, concise resource on the latest international developments in biotechnology. Michael R. Ladisch, Purdue University. Editor Arindam Bose. Pfizer Central Research. Editor Conference Proceedings Series 640 pages (1992) Clothbound ISBN 0-8412-2477-3 $149.95 Order from: American Chemical Society, Distribution Office, Dept 42 1155 Sixteenth S t , N.W., Washington, DC 20036
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