Table 1

Average particle size and zeta potential of unmodified and modified nanosilica

nSP70

nSP70-N

nSP70-C


Modification substance

-

NH2

COOH

Mean particle size in water (nm)

64.2 ± 0.6

72.7 ± 1.3

76.2 ± 1.6

Mean zeta potential (mV)

-42.1 ± 0.6

-29.8 ± 0.5

-72.0 ± 1.9


Each value represents the mean ± SD

Nabeshi et al. Nanoscale Research Letters 2011 6:93   doi:10.1186/1556-276X-6-93

Open Data