Figure 6
From: Preparation and characterization of silk fibroin as a biomaterial with potential for drug delivery
Enzyme activity tests for silk fibroins prepared with various solutions. L-ASNase (A) and glucose oxidase (B) were separately immobilized to degummed silk fibroin or regenerated fibroins prepared from four different calcium-alcohol solutions. The activities of these enzymes attached to the fibroins were calculated as a change in optical density at 450 or 460 nm measured on a microplate reader, accordingly. Results are presented as mean ± SD (n = 3 assays of triplicate samples). P < 0.05 was considered to be statistically significant.