Fig. 4

A SEM images of transaminase hybrid nanoflowers synthesized at, a pH 5.5, b pH 7.4. B TA activity of TA@Cu3(PO4)2NF synthesis at different pH. C Characterization of hybrid NFs synthesized under optimum condition, a, b SEM images of TA@Cu3(PO4)2NF, c TEM image of TA@Cu3(PO4)2NF, d magnified TEM image of c, e magnified TEM image of d