Figure 4.

The carbazole biodegradation by free cells and microbial cell/Fe3O4 biocomposites. A is for carbazole biodegradation. B is for the reuse of microbial cell/Fe3O4 biocomposites.

Li et al. Nanoscale Research Letters 2013 8:522   doi:10.1186/1556-276X-8-522
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