Change 'Hands' and Risks
and farming practices may undermine scientists’ efforts to predict the
toxicity and persistence of many long-lived pollutants because
pollution-degrading microbes can unexpectedly switch preferences from
one to the other of chiral—or mirror-image—molecular forms of a
Lewis, D.L., et
al. 1999. Influence of environmental changes on degradation of
chiral pollutants in soils. Nature 401(Oct. 28):898.
Buser, H.-R., and
M.D. Müller. 1998. Occurrence and transformation reactions of chiral
and achiral phenoxyalkanoic acid herbicides in lakes and rivers in
Switzerland. Environmental Science & Technology 32:626.
Lipkin, R. 1994.
New catalyst yields one-handed compounds. Science News 146(Aug.
Wiberg, K., et
al. 1998. Enantioselective analysis of organochlorines in the arctic
marine food chain: Chiral biomagnification factors and relationships of
enantiomeric ratios, chemical residues and biological data. Organohalogen
Wiberg, K., et
al. 1998. Enantioselective gas chromatography/mass spectrometry of
methylsulfonyl PCBs with application to arctic marine mammals. Analytical
Chemistry 70(Sept. 15):3845.
Swiss Federal Research Station
David L. Lewis
University of Georgia
Department of Marine Sciences
Athens, GA 30602
Web site: http://members.aol.com/lewisdavel
National Center for Toxicological Research
3900 NCTR Road
Jefferson, AR 72079
News, Vol. 156, No. 18, October 30, 1999, p. 276. Copyright © 1999,