Analytical - ACS Publications - American Chemical Society

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APRIL 1, 1993 VOLUME 65 NUMBER 7 The

Audit Bureau

Analytical CHEMISTRY

ANCHAM 65(7) 327A-370A/849-964 (1993) ISSN 0003-2700

Registered in U.S. Patent and Trademark Office; = Copyright 1993 by the American Chemical Society EDITOR: ROYCE W. MURRAY, University of North Carolina ASSOCIATE EDITORS: Catherine C. Fenselau, University of Maryland Baltimore County, William S. Hancock, Genentech, James W. Jorgenson, University of North Carolina, Robert A. Osteryoung, North Carolina State University, Edward S. Yeung, Iowa State University/Ames Laboratory Editorial Headquarters, research section Department of Chemistry Venable and Kenan Laboratories University of North Carolina Chapel Hill, NC 27599-3290 Phone: 919-962-2541 Fax: 919-962-2542 E-mail: Murray @ uncvx1.oit.unc.edu Editorial Headquarters, A-page section 1155 Sixteenth St., N.W. Washington, DC 20036 Phone: 202-872-4570 Fax: 202-872-4574 E-mail: rmh96 @ acs.org Managing Editor: Mary Warner Senior Editor: Louise Voress Associate Editor: Grace K. Lee Assistant Editor: Felicia Wach

REPORT 344 A A look back at scientific instrumentation. Historic instruments are an endangered species. John T. Stock of the University of Connecticut focuses on the development of various types of instrumentation, emphasizing the value of historical instruments as an important part of the scientist's heritage

Editorial Assistant: Deborah Noble Contributing Editor: Marcia Vogel Head, Graphics and Production: Leroy L. Corcoran Art Director: Alan Kahan Designers: Peggy Corrigan, Robert Sargent Production Editor: Elizabeth Wood Electronic Composition: Wanda R. Gordon Circulation: David Schulbaum LabGuide Managing Editor of Directories and Databases: Kathleen Strum Associate Editor: Joanne Mullican Assistant Editor: Susan Barclay Journals Dept., Columbus, Ohio Editorial Office Manager: Mary E. Scanlan Journals Editing Managers: Kathleen E. Duffy, Anne C. O'Melia, Joseph E. Yurvati Associate Editor: Lorraine Gibb Assistant Editor: Brenda S. Wooten Advisory Board: Michelle V. Buchanan, Bruce Chase, M. Bonner Denton, Joseph G. Gordon, David M. Haaland, Joel M. Harris, Timothy D. Harris, Franz Hillenkamp, Kiyokatsu Jinno, Dennis C. Johnson, Richard A. Keller, Philip D. LaFleur, Gary E. Maciel, Geraldine Richmond, Ralph Riggin, Michael Thompson Ex Officio: Joseph L. Glajch Instrumentation Advisory Panel: Anna Brajter-Toth, Raymond E. Clement, Therese M. Cotton, Norman J. Dovichi, Jack D. Henion, Mary Ellen P. McNally, John W. Olesik, Dallas L. Rabenstein, J. Michael Ramsey Publications Division Director: Robert H. Marks Head, Special Publications: Anthony Durniak Head, Journals: Charles R. Bertsch

ANALYTICAL APPROACH 359 A On the cover. Analytical chemistry in the aftermath of the Gulf War. The 1991 Gulf War ended with Iraq's acceptance of the cease-fire terms embodied in U. N. Security Council Resolution 687. D. L. Donohue and Rolf Zeisler of the I n t e r n a t i o n a l Atomic Energy Agency describe the role of the IAEA laboratories in inspecting Iraqi nuclear installations

Cover photo by Imtek Imagineering/Masterfile

UPCOMING RESEARCH

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EDITORIAL 341 A The handsome 600-pound gorilla. Mass spectrometry is assuming a more central role as a vigorous player in measurement science frontiers NEWS 343 A 1994 Waters symposium proposals. · EAS award nominations. • Genetic bit analysis for horses and humans. · 1994 B o m e m Michelson award FOCUS 353 A Molecular dosimetry. Cancer researchers are using molecular dosimetry to measure the reactivity of carcinogens with target DNA molecules and to determine whether there are threshold levels of exposure NEW PRODUCTS AND MANUFACTURERS' LITERATURE

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Analytical®

CHEMISTRY

ANALYTICAL CHEMISTRY (ISSN 0003-2700) is published semimonthly by the American Chemical Society, 1155 Sixteenth St., N.W., Washington, DC 20036. Second-class postage paid at Washington, DC, and additional mailing offices. Postmaster: Send address changes to ANALYTICAL CHEMISTRY, Member & Subscriber Services, P.O. Box 3337, Columbus, OH 43210. Canadian GST Reg. No. R127571347. Copyright Permission: An individual may make a single reprographic copy of an article in this publication for personal use. Reprographic copying beyond that permitted by Section 107 or 108 of the U.S. Copyright Law is allowed, provided that the appropriate per-copy fee is paid through the Copyright Clearance Center, Inc., 27 Congress St., Salem, MA 01970. For reprint permission, write Copyright Administrator, Publications Division, ACS, 1155 Sixteenth St., N.W., Washington, DC 20036. Registered names and trademarks, etc., used in this publication, even without specific indication thereof, are not to be considered unprotected by law. Subscription and Business Information 1993 subscription rates include air delivery outside the U.S., Canada, and Mexico. Canadian subscriptions are subject to 7% GST. Members

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Articles Fluorescence Detection and Size Measurement of Single DNA Molecules Alonso Castro, Frederic R. Fairfield, andE. Brooks Shera * Fiber Optic pH Sensor Based on Phase Fluorescence Lifetimes Richard B. Thompson * and Joseph R. Lakowicz

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Flow Injection Donnan Dialysis Preconcentration of Trace Metal Cations for Inductively Coupled Plasma Atomic Emission Spectrometry Narasimhan Kasthurikrishnan and John A. Koropchak*

857

Luminescence Rule of Polycyclic Aromatic Hydrocarbons in Micelle-Stabilized Room-Temperature Phosphorescence Jin Weijun and Liu Changsong*

863

Detection of Liquid Injection Using an Atmospheric Pressure Ionization Radiofrequency Plasma Source Jianguo Zhao and David M. Lubman *

866

Collisional Fragmentation of Glycoproteins by Electrospray Ionization LC/MS and LC/MS/MS: Methods for Selective Detection of Glycopeptides in Protein Digests Michael}. Huddleston, Mark F. Bean *, and Steven A. Carr*

877

Chiral Separation of Basic Drugs Using Cyclodextrin-Modified Capillary Zone Electrophoresis Michel W. F. Nielen

885

Kinetic Detection Method for the Quantification of Isoenzymes on Electrophoretic Media Robin S. Hampton and Sarah C. Rutan *

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Capillary Electrophoresis/Electrospray Ionization Mass Spectrometry: Improvement of Protein Detection Limits Using On-Column Transient Isotachophoretic Sample Preconcentration 900 ToniJ. Thompson, Frantisek Foret, Paul Vouros, and Barry L. Karger * Graphitized Carbon Black Extraction Cartridges for Monitoring Polar Pesticides in Water 907 Antonio Di Corcia *, Roberto Samperi, Antonio Marcomini, and Susanna Stelluto Determination by Heteronuclear NMR Spectroscopy of the Complete Structure of the Cell Wall Polysaccharide of Streptococcus sanguis Strain K103 G. Prabhakar Reddy, Chi-Chou Chang, and C. Allen Bush *

913

Effect of Model Organic Compounds on Potentiometric Stripping Analysis Using a Cellulose Acetate Membrane-Covered Electrode Joseph H. Aldstadt and Howard D. Dewald*

922

Voltammetric Study on a Condensed Monolayer of a Long Alkyl Cyclodextrin Derivative as a Channel Mimetic Sensing Membrane Kazunori Odashima, Minoru Kotato, Masao Sugawara, and Yoshio Umezawa *

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"•Corresponding author

continued on p. 335 A

ACS membership information: Lorraine Bowlin (202-872-4567) ANALYTICAL CHEMISTRY, VOL. 65, NO. 7, APRIL 1, 1993 · 333 A

Analytical® CHEMISTRY

Editorial Information Instructions for authors of AC RESEARCH are published in the January 1 issue, p. 91. Guidelines for the INSTRUMENTATION, REPORT, ANALYTICAL APPROACH, and A/C INTERFACE features are published in the January 1 issue, p. 90. Please consult these instructions and guidelines prior to submitting a manuscript for consideration for publication. Manuscripts for publication in AC RESEARCH (4 copies of text and illustrative material) should be submitted to the Editor at the University of North Carolina address. Please include a signed copyright status form; a copy of this document appears on p. 95 of the January 1 issue. Manuscripts for publication in the A-page section should be submitted to the Washington editorial staff. For individual reprints of AC RESEARCH or A-page articles, please contact the authors directly. Bulk reprints of individual articles are available from ACS. For information, write or call the Distribution office at the ACS Washington address (202-872-4539; fax 202-872-4615). ACS Division of Analytical Chemistry Chair, Joseph L. Glajch (508-671-8413) Secretary, Sarah Rutan (804-367-1298) ACS Information Library Services Education Division Meetings Dept. Member Services Employment Services Public Outreach

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Scanning Tunneling Microscopy of Carbon Surfaces: Relationships between Electrode Kinetics, Capacitance, and Morphology for Glassy Carbon Electrodes 937 Mark T. McDermott, Christie Allred McDermott, and Richard L. McCreery* Technical Notes Fluorocarbon-Based Immobilization of a Fluoroionophore for Preparation of Fiber Optic Sensors TimothyL. Blair, TadeuszCynkowski, andLeonidas G. Bâchas* Detection of Carbohydrates by Capillary Electrophoresis with Pulsed Amperometric Detection Thomas J. O'Shea, Susan M. Lunte*, and William R. LaCourse

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Ion Chromatography of Sulfur Dioxide, Sulfate Ion, and Dithionate Ion in Aqueous Mineral Leachates 952 Lloyd M. Pétrie*, M. Emmelynjakel, Richard L. Brandvig, and Joseph G. Kroening Multiplexed Fluorescence Detector for Capillary Electrophoresis Using Axial Optical Fiber Illumination John A. Taylor and Edward S. Yeung* Differential Visualization of Transparent Testa Mutants in Arabidopsis thaliana John J. Sheahan and Garry A. Rechnitz* Author Index

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