Fig. 2

Average particle size of (a) silica nanoemulsion (SNE), and S. maxima extract nanoemulsion (SMNE) with (b) concentration 1 (SMNEC1), (c) concentration 2 (SMNEC2), and (d) concentration 3 (SMNEC3) with respective concentrations of 3225 µg/mL, 6451 µg/mL, and 9677 µg/mL.