Nanomaterial effects on C. elegans body size

Nanomaterial: CeO2: Cerium oxide nanopowder
Concentration: 2.08 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 1 0.08 27 0.97
Trial 2
  Worm length
average (normalized)
S.D. n p value
(Student's t-test)
Control 1 0.08 201 -
Nanomaterial 1.04 0.04 45 0.000098
Trial 3
  Worm length
average (normalized)
S.D. n p value
(Student's t-test)
Control 1 0.09 223 -
Nanomaterial 1.01 0.1 36 0.49