Nanomaterial effects on C. elegans body size

Nanomaterial: Graphene
Concentration: 1 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 1.12 0.12 72 3.0e-10
Trial 2
  Worm length
average (normalized)
S.D. n p value
(Student's t-test)
Control 1 0.1 407 -
Nanomaterial 0.96 0.09 68 0.0039