Table 3.

Particle size, PdI and 𝜁-potential of native BSA, GO-COOH, GO-PAMAM and GO-PAMAM-BSA as obtained by DLS measurements.

	Size(nm) ± SD	PdI ± SD	𝜁-potential ± SD
GO-COOH	710.2 ± 20.56	0.585 ± 0.039	−32.6 ± 0.473
GO-PAMAM	293.7 ± 2.25	0.314 ± 0.012	−22.5 ± 1.19
GO-PAMAM-BSA	304.4 ± 8.145	0.382 ± 0.039	−18.6 ± 0.814