Nanomaterial effects on C. elegans body size

Nanomaterial: MWNT-NH2: Amine functionalized multi-walled carbon nanotubes
Concentration: 5 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 0.87 0.25 79 0.000032
Trial 2
  Worm length
average (normalized)
S.D. n p value
(Student's t-test)
Control 1 0.1 407 -
Nanomaterial 0.54 0.18 71 9.0e-34