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FTIR spectra. (PD =Pure Piroxicam; PS3 =3ml of piroxicam and biosurfactant produced by Pseudomonas aeruginosa; BS3 =3ml of piroxicam and biosurfactant produced by Bacillus subtilis; PS6 =6 mL of piroxicam and biosurfactant produced by Pseudomonas aeruginosa; BS6 = 6ml of piroxicam and biosurfactant produced by Bacillus subtilis).
