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. 2015 Jul 2;12:19. doi: 10.1186/s12989-015-0091-7

Table 1.

Surface chemistry, hydrodynamic diameter, and surface charge density of unmodified- (UNP), carboxyl-modified (CNP) and amine-modified (ANP) latex nanoparticles in distilled water (DW) and tissue culture medium (DCCM1 and RPMI)

Particles Surface functional group Average diameter nm(±SD) Polydispersity index Zeta potential mv(±SD)
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The data are presented as mean ± standard deviation (SD), n = 3β

βNanoparticles were suspended in distilled water and DCCM1 or RPMI at a concentration of 10 μg/ml and bath sonicated for 2 min before measurement (see methods)