Table 2.

Hydrodynamic diameter, zeta potential, and two-dimensional sizing of CNT/F agglomerates dispersed in physiologic dosing media

	MW #1	MW #2 Small Agglomerates	MW #2 Large Agglomerates	MW #3	MW #4	MW #5	MW #6	MW #7	CNF #1	CNF #2
Spherical Agglomerates
% Spherical Agglomerated	87	0	0	83	1	4	0	0	0	0
Spherical Agglomerate Mean Diameter μm ± SE	1.28 ± 0.16	N/A	N/A	0.81 ± 0.10	N/A	N/A	N/A	N/A	N/A	N/A
Spherical Agglomerate Diameter Geometric Mean μm (GSD)	0.96 (2.01)	N/A	N/A	0.66 (1.84)	N/A	N/A	N/A	N/A	N/A	N/A
Bundled Agglomerates
% Bundle Agglomerates/Singlets	13	N/A	N/A	17	99	96	100	100	100	100
Bundle Agglomerate Mean Length μm ± SE	1.90 ± 0.37	3.80 ± 0.38	49.55 ± 3.58	1.11 ± 0.25	3.77 ± 0.35	6.27 ± 0.44	9.47 ± 1.26	11.32 ± 1.08	9.30 ± 1.07	2.96 ± 0.36
Bundle Agglomerate Geometric Mean Length μm (GSD)	1.66 (1.71)	3.09 (1.82)	47.94 (1.31)	0.72 (2.98)	2.92 (2.05)	5.17 (1.94)	5.90 (2.57)	7.91 (2.49)	6.18 (2.49)	2.11 (2.25)
Bundle Agglomerate Mean Diameter μm ± SE	0.38 ± 0.12	0.03 ± 0.00	9.50 ± 2.24	0.03 ± 0.00	0.10 ± 0.01	0.13 ± 0.01	0.08 ± 0.01	0.10 ± 0.01	0.21 ± 0.01	0.12 ± 0.01
Bundle Agglomerate Diameter Geometric Mean μm (GSD)	0.18 (4.20)	0.03 (1.60)	6.99 (2.24)	0.03 (1.56)	0.08 (1.89)	0.11 (1.07)	0.07 (2.09)	0.09 (1.64)	0.19 (1.42)	0.11 (1.63)
Hydrodynamic Diameter (nm)	660 ± 19	771 ± 33		608 ± 30	478 ± 24	504 ± 15	714 ± 24	652 ± 26	615 ± 19	664 ± 18
Zeta Potential (pH 7.3)	−10.4 ± 0.4	−12.1 ± 0.6		−11.1 ± 0.06	−12.0 ± 0.4	−13.5 ± 0.8	−11.8 ± 0.6	−13.2 ± 0.5	−11.1 ± 0.8	−11.3 ± 0.5