Reports

Toxic Impurities in Nalgene Filter Units

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Science  29 Jul 1966:
Vol. 153, Issue 3735, pp. 548
DOI: 10.1126/science.153.3735.548

Abstract

Sterile disposable filter units made of Nalgene contain an impurity which inhibits the growth of the protozoan, Leishmania tarentolae, in a defined medium.