Table S2.

Preliminary stability of 8-MOP MEs, CC-MEs, and HC-MEs

	°C	Time (day)	Mean size (nm)	PDI	ζ-potential (mV)	pH	Conductivity (μS·cm−1)
MEs	4	30	17.95±0.76	0.11±0.03	−18.67±1.78	6.23±0.23	23.52±1.98
		60	18.85±0.66	0.16±0.06	−19.21±1.67	6.45±0.31	26.73±1.12
	25	30	18.02±0.43	0.10±0.01	−17.83±2.51	6.60±0.11	27.31±1.40
		60	19.09±1.33	0.18±0.07	−15.30±1.10	6.73±0.51	24.71±2.44
CC-MEs	4	30	19.65±0.42	0.19±0.08	−21.42±1.35	7.12±0.45	31.25±0.65
		60	19.87±0.68	0.21±0.03	−23.52±1.82	7.32±0.67	30.12±0.49
	25	30	19.95±0.19	0.09±0.01	−24.61±1.71	7.45±0.43	33.07±0.22
		60	20.12±0.77	0.12±0.02	−26.32±1.55	7.62±0.22	29.55±1.17
HC-MEs	4	30	20.14±0.86	0.17±0.02	26.47±1.42	6.36±0.56	30.31±1.09
		60	20.21±0.56	0.23±0.05	27.82±1.13	6.11±0.60	34.09±1.21
	25	30	20.16±1.06	0.19±0.06	28.74±1.81	6.52±0.12	32.06±1.73
		60	21.84±0.79	0.13±0.03	29.91±2.12	6.48±0.35	36.32±1.05

Abbreviations: MOP, methoxypsoralen; MEs, microemulsions; CC, carboxymethyl chitosan; HC, hydroxypropyl chitosan; PDI, polydispersity index.