ArticlesScientific Apparatus and Laboratory Methods

ENZYMATIC CLEANING OF BERKEFELD CANDLES USED IN THE FILTRATION OF HUMAN BLOOD PLASMA

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Science  13 Aug 1943:
Vol. 98, Issue 2537, pp. 160
DOI: 10.1126/science.98.2537.160

Abstract

Berkefeld candles clogged by human blood plasma were cleared by enzymatic action. Candles incubated in acidulated aqueous pepsin solution, thoroughly rinsed in water, dried and sterilized were capable of efficiently filtering 8 to 10 liters of human blood plasma.