Table 4.

Effect of pH of the dispersion media on droplet size (nm) and PDI (n = 3).

Formulation	Droplet Size (nm) and PDI
	Purified Water	pH 1.2 (1 N HCl)	pH 4.5 (Phosphate Buffer)	pH 6.8 (Phosphate Buffer)	pH 7.4 (Phosphate Buffer)
P5-40	14.72–0.21	27.93–0.25	27.39–0.17	12.37–0.17	15.11–0.07
P7-40	15.77–0.17	28.91–0.24	33.98–0.35	12.56–0.16	14.97–0.06