Fig. 4From: Degradation of low density polyethylene by Bacillus speciesDetermination of LDPE decomposition products using HPLC. For HPLC analysis, the broth was taken after 30-day culture. a In the negative control, the LDPE specimens were incubated in a flask without bacteria; b, c LDPE samples were incubated with b B. subtilis and c B. licheniformisBack to article page