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Science 23 February 1996:
Vol. 271. no. 5252, pp. 1077 - 1078
DOI: 10.1126/science.271.5252.1077
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Perspectives

Thomas W. Bell

Two hot areas in chemistry are dendrimers--highly branched polymers that are synthesized in stages from a core, in a manner resembling a snowflake--and self-assembly, the synthesis of molecules through molecular recognition. These ideas have been combined by Zimmerman et al. (p. 1095) in a report in this week's issue of Science. Bell discusses how these authors have produced dendrimers from smaller subunits in one step to create nanometer-scale particles.

The author is in the Department of Chemistry, University of Nevada, Reno, NV 89557-0020, USA. E-mail: twb@unr.edu




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Science. ISSN 0036-8075 (print), 1095-9203 (online)