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Summary: A commercially available powdered alumina is very suitable for breaking bacterial cells according to the method of Wiggert, Silverman, Utter & Werkman (1940). Extracts have been prepared from streptococci in this way, which are capable of glycolysis, the deamination of adenosine diphosphate, and the production of NH3 from arginine.
H. McIlwain (Wed,) studied this question.