. 2014 Jan;35(3):1074–1088. doi: 10.1016/j.biomaterials.2013.10.041

Table 1.

Primary particle characteristics of HA NPs.

HA NP	Particle dimensions^a	Aspect ratio	Zeta potential (−mV)^b		Surface area (m²/g)^c
HA NP	Particle dimensions^a	Aspect ratio	−D7	+D7	Surface area (m²/g)^c
NANC	L: 30 ± 5 nm S: 8 ± 2 nm	3.9 ± 1.1	−17.80 ± 1.42	−36.11 ± 2.98	121.4 ± 0.6
NAC	L: 27 ± 7 nm S: 8 ± 2 nm	3.6 ± 1.2	−14.48 ± 0.92	−24.08 ± 1.29	156.4 ± 1.5
ANC	L: 54 ± 19 nm S: 18 ± 5 nm	3.2 ± 1.2	−10.56 ± 0.84	−55.84 ± 1.20	64.9 ± 0.35
AC	L: 46 ± 18 nm S: 17 ± 5 nm	2.8 ± 0.95	−24.29 ± 0.75	−43.60 ± 2.48	52.8 ± 0.3

Particle dimensions and aspect ratios are means ± SD (n = 100); L = long axis; S = short axis.

Determined by BF-TEM.

Determined by electrophoretic mobility measurement in 5 mm KNO₃ at pH 7.0 and 20 °C (mean ± SE).

Determined by BET-measurement.