Fig. 1From: A zeta potential value determines the aggregate’s size of penta-substituted [60]fullerene derivatives in aqueous suspension whereas positive charge is required for toxicity against bacterial cellsExample of size and zeta potential distribution in the aqueous suspension of F8 penta-substituted [60]fullerene derivative. a The diameter of F8 aggregates is 5.2 ± 0.9 nm; b the zeta potential value is +52.2 ± 10.6 mV.Back to article page