SEM and TEM spectra. SEM (left column) and TEM (right column) images of MNPs (A), PD-MNPs (B), and lipase immobilized PD-MNPs (C). The PD-MNPs were prepared using 2.5 mg/ml initial dopamine and lipase immobilization performed using 5 mg/ml initial lipase and 10 mg/ml PD-MNPs concentration.
Ren et al. BMC Biotechnology 2011 11:63 doi:10.1186/1472-6750-11-63