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Bioresources and Bioprocessing
Fig. 4 | Bioresources and Bioprocessing

Fig. 4

From: Bioengineering Comamonas testosteroni CNB-1: a robust whole-cell biocatalyst for efficient PET microplastic degradation

Fig. 4

Thermogravimetric analysis (TGA) was conducted to examine the degradation of PET nanoplastics. The differential scanning calorimetry (DSC) and TGA curves of glycolysis products by CNB-1A (A) and CNB-1B (B) are displayed, with the red line representing the DSC curve and the black line representing the TGA curve. When PET nanoplastics were degraded by the secreted DuraPETase from CNB-1B, the product BHET was released from PET, and the TGA curve showed a distinct BHET polymerization stage, which can be considered as evidence of PET nanoplastics degradation by CNB-1 derived whole-cell biocatalyst

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