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Appl Environ Microbiol. 1970 February; 19(2): 394-397
Copyright © 1970 American Society for Microbiology. All Rights Reserved.

Instability Effects in Diffusion Analyses of Antimicrobial Activity

J. P. Van Natta, B. J. Wu and T. S. Chang1

Veterinary Bacteriology Section, The Norwich Pharmacal Company, Norwich, New York 13815

ABSTRACT

Diameter reductions accompanying preincubation, and funnel-shaped diffusion zones from agar wells, readily demonstrate chemical and physical instability of preparations in antimicrobial analyses.

FOOTNOTES

1 Present address: Burroughs Wellcome & Co., Tuckahoe, N.Y. 10707.

Appl Environ Microbiol. 1970 February; 19(2): 394-397
Copyright © 1970 American Society for Microbiology. All Rights Reserved.





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Copyright © 1970 by the American Society for Microbiology. All rights reserved.