Nanomaterial effects on C. elegans body size

Nanomaterial: TiO2 nanoparticle
Concentration: 50 ppm (dispersant: DI water).
Control: DI Water
Date: 2014-05-19, by: SangKyu
Test Method


Worm length distribution.
Worm length average.
  Worm length
average (µm)
S.D. n p value
(Student's t-test)
Control 1340.7 93.1 321 -
Nanomaterial 1304.7 91.5 78 0.0025
Raw Data.
  Well Worm length
average (µm)
S.D. n
Control 1330 95.4 37
1346.7 96 44
1371.5 57.6 51
1298.2 125.8 29
1315.8 84.1 39
1356.9 77.4 41
1360.7 68.8 44
1319.1 118.7 36
Nanomaterial 1305 101.9 35
1304.5 82.1 43