Table 1.

The CCD design of experiment and experimental responses.

	Variables		Responses
Sample No.	X1 a (%)	X2 b (%)	Y1 (Coating Load) (g/m2)	Y2 (Kit Rating)
1	2	0.15	3.81	8
2	1	0.15	3.11	5
3	2	0.15	3.65	8
4	1	0.3	3.50	4
5	3	0	3.99	8
6	1	0	3.17	4
7	3	0.3	4.42	7
8	3	0.15	4.21	8
9	2	0.3	4.18	6
10	2	0	3.45	6
11	2	0.15	3.93	7
12	2	0.15	3.78	8

^a The content of the chitosan, ^b The content of the MMT.