Nanomaterial effects on C. elegans body size

Nanomaterial: SWNT: Single-walled carbon nanotubes
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 0.96 0.08 73 0.00013
Trial 2
  Worm length
average (normalized)
S.D. n p value
(Student's t-test)
Control 1 0.06 400 -
Nanomaterial 1.01 0.05 78 0.046