Nanomaterial effects on C. elegans body size

Nanomaterial: CB: Carbon Black
Concentration: 25 ppm (dispersant: 0.0025% SDS).
Control: 0.0025% SDS
Test Method

Trial 1
  Worm length
average (normalized)
S.D. n p value
(Student's t-test)
Control 1 0.06 288 -
Nanomaterial 0.64 0.17 72 1.7e-28
Trial 2
  Worm length
average (normalized)
S.D. n p value
(Student's t-test)
Control 1 0.05 380 -
Nanomaterial 0.61 0.11 82 1.7e-48