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  Indian J Med Microbiol
 

Figure 1: Fourier-transform infrared spectroscopy spectra of surfactant obtained by Bacillus subtilis ATCC 6633 (A) and isolate control (B and C) spectrum of surfactin (Sigma, USA)

Figure 1: Fourier-transform infrared spectroscopy spectra of surfactant obtained by <i>Bacillus subtilis</i> ATCC 6633 (A) and isolate control (B and C) spectrum of surfactin (Sigma, USA)