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Table 1 Selected topological parameters (all values are given as means ± standard deviation).

From: Influence of gold nanoparticles on collagen fibril morphology quantified using transmission electron microscopy and image analysis

Topological parameter

Control images

Nanoparticle images

P

Number of Elements

7.5 ± 5.89

13.8 ± 6.34

0.033

Number of Branches

94.9 ± 53.7

155.8 ± 45.8

0.014

Number of Sides

239.2 ± 111.0

355.7 ± 125.1

0.041

Number of holes

16.3 ± 10.6

14 ± 17

n.s. (0.7)

Holes relative to branches

0.22 ± 0.14

0.08 ± 0.09

0.022