November 1,
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595 A
Ranking Analytical Chemistry by Country. Researchers in the United Kingdom have conducted what is believed to be the first-ever survey of “innovation” in the analytical sciences. Maria Burke reports some surprising findings. |
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Spotlighting Separations: Pushing Chromatography Further
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| 598 A Zirconia Stationary Phases for Extreme Separations. Modified silica has proven to be a versatile stationary phase for reversed-phase LC separations, as long as the pH remains below ~8 and the temperatures aren’t too high. But why limit separations to certain ranges? Christopher Dunlap at Saint Mary’s College, Clayton McNeff and Dwight Stoll at ZirChrom Separations, and Peter Carr at the University of Minnesota demonstrate how zirconia-based columns successfully and reproducibly handle separations at high temperatures and extreme pHs. |
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| 608 A Nonlinear Effects in LC and Chiral LC. Nonlinear chromatographic effects are ubiquitous. Most chromatographers just want to minimize these effects, but Torgny Fornstedt at the University of Uppsala (Sweden) and Georges Guiochon with the University of Tennessee and Oak Ridge National Laboratory show that understanding nonlinear effects can be a useful way to accurately study retention mechanisms, which, in turn, can improve separations. |
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| 618 A Decoding Complex Multicomponent Chromatograms. A complex chromatogram with overlapping peaks is the chromatographer’s nightmare. One way to sleep better is to use a statistical method that unravels the chromatogram. Attila Felinger at the University of Veszprém (Hungary) and Maria Chiara Pietrogrande at the University of Ferrara (Italy) present different approaches for decoding complex chromatograms, including a new technique using Fourier analysis and a simple graphical method. |
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| 583 A Analytical Currents  Molecules walk the nanowire. Little bits make color. Deuteriums in unexpected places. EFM’s revealing look. Silver yields detection gold mine. Isotope-edited Raman. New self-assembled 3-D arrays. Prism puts fluorescence microscopy in spotlight. The potential of lab-on-a-chip. “Smelling” salts. |
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| 588 A Research Profiles An unfolding protein tale. A story about protein conformer dynamics. Elusive membrane proteins: The next chapter. The first complete MS mapping of a recombinant integral membrane protein. Researchers brainstorm new microdialysis method. Measuring neuropeptides in vivo. MS for carbohydrates. Glycosylation patterns and structural information, too. |
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| 592 A Government and Society Advancing chemical sciences in developing countries. |
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| 592 A People Yates chosen as new associate editor. 2002–2003 DAC officers. Sabbatical and postdoctoral opportunities. |
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| 573 A Editorial A Primer for Choosing a Graduate School. Advice for seniors. 577 A 627 A |
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| 637 A Books and Software A Starting Point for CE. Hassan Azzazy and Robert Christenson of the University of Maryland School of Medicine–Baltimore review Clinical and Forensic Applications of Capillary Electrophoresis. 638 A 639 A |
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Copyright ©
American Chemical Society
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