Nanomaterial effects on C. elegans locomotion

Nanomaterial: CeO2: Cerium oxide nanopowder
Concentration: 2.08 µg/cm² (dispersant: DI water).
Control: DI Water
Test Method

Trial 1
  Worm locomotion
average (normalized)
S.D. n p value
Control 1 0.587 161 -
Nanomaterial 0.972 0.587 99 0.71
Trial 2
  Worm locomotion
average (normalized)
S.D. n p value
Control 1 0.906 914 -
Nanomaterial 0.758 0.365 36 0.00043
Trial 3
  Worm locomotion
average (normalized)
S.D. n p value
Control 1 0.697 698 -
Nanomaterial 0.683 0.589 54 0.00020
Trial 4
  Worm locomotion
average (normalized)
S.D. n p value
Control 1 1.023 632 -
Nanomaterial 0.926 0.753 28 0.62