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Science 17 July 1998:
Vol. 281. no. 5375, pp. 321 - 323
DOI: 10.1126/science.281.5375.321b
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News of the Week

CHEMICAL ECOLOGY:
Building a Better Bug Repellent

Luis Campos

On page 428, organic chemists report that the pupae of squash beetles concoct an arsenal of chemical deterrents using combinatorial chemistry, a technique in which hundreds of different compounds are assembled from the same set of basic chemical building blocks. This mix-and-match approach might have a practical payoff, as it could one day be used against pests in much the same way that we currently use DEET to repel mosquitoes.

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