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. 2013 Jan 19;53(2):221–226. doi: 10.1007/s12088-013-0356-5

Fig. 3.

Fig. 3

Percentage utilised caprolactam concentration by sixteen bacterial isolates after 120 h. Bar graph shows HPLC readings (OD at 600 nm) taken at the time intervals of 24, 48 and 120 h of un-utilised ε-caprolactam in the medium