ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] We used two different methods to obtain material for gas chromatographic and mass spectrum analysis. In the first, a stream of dry nitrogen was passed over a homogenate of 0.6 g of aphids into a cold trap (-60Ã C). The collected material, dissolved in pentane, gave a positive bioassay by repelling ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/241126b0
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