Nanomaterial effects on C. elegans body size

Nanomaterial: CeO2: Cerium oxide nanopowder
Concentration: 1.04 µg/cm² (dispersant: DI water).
Control: DI Water
Test Method

Trial 1
  Worm length
average (normalized)
S.D. n p value
(Student's t-test)
Control 1 0.08 222 -
Nanomaterial 0.98 0.14 20 0.57
Trial 2
  Worm length
average (normalized)
S.D. n p value
(Student's t-test)
Control 1 0.08 201 -
Nanomaterial 1.06 0.05 63 8.4e-11
Trial 3
  Worm length
average (normalized)
S.D. n p value
(Student's t-test)
Control 1 0.09 223 -
Nanomaterial 1.03 0.1 30 0.091