Fig. 4From: Resolving the formidable barrier of oxygen transferring rate (OTR) in ultrahigh-titer bioconversion/biocatalysis by a sealed-oxygen supply biotechnology (SOS)Catalysis profiles of whole-cell catalysis within 72 h, respectively, in AS-BR (a, b), OS-BR (c, d) and SOS-BR (e, f)Back to article page