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Table 2 Comparison of angiogenesis parameters of vessels with a diameter between 100 and 200 μm

From: Comparison of anti-angiogenic properties of pristine carbon nanoparticles

  Mean vessel area (mm2) Mean vessel length (mm) Number of branch points Angiogenic activity
Group     
Control 30.8 2.8 a 4.3 a  
GNS 26.9 2.3 ab 4.2 ab 0
NG 24.9 2.0 ab 2.6 ab 0
ND 25.9 1.9 b 1.8 b - -
C60 39.4 2.7 a 3.8 ab 0
MWNT 25.4 1.7 b 3.4 ab - -
P value 0.038 0.006 0.014  
Pooled SE 3.5 0.2 0.5  
  1. A 0 means no activity, a hyphen indicates low anti-angiogenic activity, and two hyphens indicate medium anti-angiogenic activity. Values with different letters are significantly different, P < 0.05. SE, standard error; GNS, graphene nanosheets; NG, graphite nanoparticle; ND, diamond nanoparticle; C60, fullerene C60; MWNT, multi-wall nanotube.