Nanomaterial effects on C. elegans body size

Nanomaterial: MWNT-30-5: Multi-walled carbon nanotubes
Concentration: 25 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 0.78 0.3 44 0.000034
Trial 2
  Worm length
average (normalized)
S.D. n p value
(Student's t-test)
Control 1 0.1 407 -
Nanomaterial 0.67 0.23 51 8.4e-14