Nanomaterial effects on C. elegans body size

Nanomaterial: CB: Carbon Black
Concentration: 2.08 µg/cm² (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 83 -
Nanomaterial 0.98 0.09 34 0.15
Trial 2
  Worm length
average (normalized)
S.D. n p value
(Student's t-test)
Control 1 0.05 235 -
Nanomaterial 1.03 0.06 97 0.000022
Trial 3
  Worm length
average (normalized)
S.D. n p value
(Student's t-test)
Control 1 0.09 223 -
Nanomaterial 0.9 0.1 59 2.0e-9