Nanomaterial effects on C. elegans body size

Nanomaterial: MWNT-COOH: Carboxylated multi-walled carbon nanotubes
Concentration: 25 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 0.7 0.17 104 1.9e-34
Trial 2
  Worm length
average (normalized)
S.D. n p value
(Student's t-test)
Control 1 0.06 400 -
Nanomaterial 0.83 0.1 94 7.2e-29