Contrasting macrophage activation by fine and ultrafine titanium dioxide particles is associated with different uptake mechanisms

Table 1 Characteristics of particle dispersions as measured by DLS

sample	Dispersant	d _h ^a	PDI^b
	water	55.4^c (891.2)	0.22
ufTiO ₂	cell culture medium	57.5	0.33
	HBSS	164.2^c (2018)	0.26
	Water	321.2	0.18
fTiO ₂	cell culture medium	448.6	0.16
	HBSS	936.6	0.64

ISSN: 1743-8977