Nanomaterial effects on C. elegans body size

Nanomaterial: CeO2: Cerium oxide nanopowder
Concentration: 0.52 µg/cm² (dispersant: DI water).
Control: DI Water
Date: 2013-11-02, 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 1222.8 96 201 -
Nanomaterial 1321.6 39.7 34 1.4e-17
Raw Data.
  Well Worm length
average (µm)
S.D. n
Control 1190.9 115 30
1246.8 60.3 30
1215.2 92.1 42
1214.4 118.1 30
1250.6 57.5 35
1217.8 105.3 34
Nanomaterial 1319.9 38 20
1323.9 42 14