Fig. 6From: Biodegradation of different formulations of polyhydroxybutyrate films in soilSEM micrographs for PHB and PHB–TiO2 nanofibers after degradation. a1 PHB after degradation, b1 PHB–TiO2 nanofibers after degradation, a2 PHB after degradation, b2 PHB–TiO2 nanofibers after degradation, a3 PHB after degradation, b3 PHB–TiO2 nanofibers after degradationBack to article page