From: Dispersion of single-walled carbon nanotubes by a natural lung surfactant for pulmonary in vitro and in vivo toxicity studies
% with width of <0.38 μm*
% with width of <0.1 μm
SD-SWCNT
65.6%
8.6%
ND-SWCNT
0%
% with width of <0.70 μm#
SD-UFCB
73.0%
1.1%
ND-UFCB