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Appl Environ Microbiol. 1972 August; 24(2): 286-287
Copyright © 1972 American Society for Microbiology. All Rights Reserved.

Improvement of Microbial Assays of Vitamins

Edward J. Heed

1 Quality Control Department, Lederle Laboratories, Pearl River, New York 10965

ABSTRACT

A method for the improvement of microbial assays of vitamins, which involves the addition of a surfactant to the incubated test, was developed. This surfactant tends to eliminate bacterial clumping, giving a uniform suspension of single cells, thereby making the turbidity readings less erratic and the actual assay standard curves more closely related to the desired theoretical curve.

Appl Environ Microbiol. 1972 August; 24(2): 286-287
Copyright © 1972 American Society for Microbiology. All Rights Reserved.





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Copyright © 1972 by the American Society for Microbiology. All rights reserved.