Nanomaterial effects on C. elegans body size

Nanomaterial: CB: Carbon Black
Concentration: 1.04 µg/cm² (dispersant: 0.0025% SDS).
Control: 0.0025% SDS
Date: 2013-11-08, by: Charles, Alma
Test Method


Worm length distribution.
Worm length average.
  Worm length
average (µm)
S.D. n p value
(Student's t-test)
Control 1298.1 119.9 223 -
Nanomaterial 1229.2 67.3 67 1.1e-8
Raw Data.
  Well Worm length
average (µm)
S.D. n
Control 1252.8 185.3 41
1339.8 99 30
1256.2 54.9 26
1313.2 110.8 30
1262.7 85.6 30
1366.2 54.2 17
1336.7 82.8 17
1313.2 101.7 32
Nanomaterial 1248.5 64.6 33
1210.5 64.5 34