Immobilization of Alkaline Collagenase from Bacillus subtilis onto Sulfonated Polystyrene Nanospheres for Hydrolysis of Tilapia Collagen

Table 5

Energy spectrum elements of sulfonated polystyrene nanospheres before and after immobilization.

Element (before immobilization)	wt.%	at.%	Element (after immobilization)	wt.%	at.%
C	95.24	96.84	C	73.65	78.24
N	0.00	0.00	N	10.09	9.19
O	3.52	2.68	O	15.27	12.18
S	1.24	0.47	S	0.99	0.39
Total	100.00	100.00	Total	100.00	100.00