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. 2001 Jan;67(1):15–21. doi: 10.1128/AEM.67.1.15-21.2001

FIG. 1.

FIG. 1

First-pass HPLC profile of crude mutacin extract from strain UA140 grown on a membrane. Fractions of 1 ml (dotted vertical lines) were collected during elution using buffers A (0.1% TFA) and B (0.085% TFA in 60% acetonitrile) and then tested for antimicrobial activity using NY101 as the indicator. The two active peaks, 1 (fractions 4 and 5) and 2 (fractions 8 and 9), are labeled. mAU, milli-absorption units.