Nanomaterial effects on C. elegans body size

Nanomaterial: Fullerol: Fullerol (C60(OH)x (ONa)y, x+y=24,y=6-8)
Concentration: 5 ppm (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 0.07 321 -
Nanomaterial 1.01 0.04 77 0.18
Trial 2
  Worm length
average (normalized)
S.D. n p value
(Student's t-test)
Control 1 0.06 400 -
Nanomaterial 0.99 0.05 113 0.037