Nanomaterial effects on C. elegans body size

Nanomaterial: MWNT-30-5: Multi-walled carbon nanotubes
Concentration: 50 ppm (dispersant: Tannic acid).
Control: Tannic acid
Test Method

Trial 1
  Worm length
average (normalized)
S.D. n p value
(Student's t-test)
Control 1 0.15 180 -
Nanomaterial 0.83 0.21 38 0.000026
Trial 2
  Worm length
average (normalized)
S.D. n p value
(Student's t-test)
Control 1 0.1 407 -
Nanomaterial 0.68 0.22 61 3.5e-16