. 2021 Sep 14;13(9):1470. doi: 10.3390/pharmaceutics13091470

Table 1.

Physicochemical characterization of the NPs.

Sample	Diameter	ζ Potential (mV)	PDI	Encapsulation Efficiency (% w/w)
Sample	Diameter	ζ Potential (mV)	PDI	NIR	poly(I:C)	R848	MIP3α
NP(NIR + pIC + R848 + MIP3α)-PEG	249.6 ± 85.4	−21.4 ± 4.75	0.178 ± 0.042	62.4 ± 6.9	43.6 ± 8.6	54.2 ± 8.9	59.3 ± 7.3

Physicochemical characterization of the PLGA-PEG NPs containing immunostimulatory agents. The PLGA NPs were characterized as reported previously [20], by dynamic light scattering and zeta potential measurements. The size and zeta potential data represent the mean value ± SD of 10 readings of one representative batch. The concentration of the NIR dye was measured by fluorescence. The concentration of poly(I:C), R848, and MIP3α was determined by RP-HPLC analysis.