Table 2.

Influence of CS and TPP concentration on the formation of nanoparticles.

Concentration of CS (mg/ml)	Concentration of TPP (mg/ml)
	0.5	1. 0	1.5	2.0	2.5
0.5	–	√	×	×	×
1.0	–	√	×	×	×
1.5	–	√	√	√	√
2.0	–	-	√	√	√
2.5	–	-	√	√	√

where –: clear solution, cannot form NPs; √: can form NPs; ×: turbid solution with precipitation.