Research Article

Immobilization of Aspergillus oryzae  β-Galactosidase on Cellulose Acetate-Polymethylmethacrylate Membrane and Its Application in Hydrolysis of Lactose from Milk and Whey

Figure 1

Scanning electron micrographs of CA-PMMA. The interaction of CA with PMMA was monitored with Philips-515 scanning electron microscope by mounting them on an aluminum sample and sputter coating them with gold to minimize surface charging. The specimens were observed at a 15 kV accelerating voltage.