Nanomaterial effects on C. elegans body size

Nanomaterial: Fullerol: Fullerol (C60(OH)x (ONa)y, x+y=24,y=6-8)
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 1.02 0.06 27 0.062
Trial 2
  Worm length
average (normalized)
S.D. n p value
(Student's t-test)
Control 1 0.08 201 -
Nanomaterial 1.04 0.07 29 0.0042
Trial 3
  Worm length
average (normalized)
S.D. n p value
(Student's t-test)
Control 1 0.09 223 -
Nanomaterial 1.08 0.11 34 0.00018