Nanomaterial effects on C. elegans body size

Nanomaterial: MWNT-15-20: Multi-walled carbon nanotubes
Concentration: 1.04 µg/cm² (dispersant: Tannic acid).
Control: Tannic acid (6.667 µg/mL Agar)
Test Method

Trial 1
  Worm length
average (normalized)
S.D. n p value
(Student's t-test)
Control 1 0.06 140 -
Nanomaterial 0.92 0.07 32 9.3e-7
Trial 2
  Worm length
average (normalized)
S.D. n p value
(Student's t-test)
Control 1 0.07 176 -
Nanomaterial 0.96 0.1 22 0.078
Trial 3
  Worm length
average (normalized)
S.D. n p value
(Student's t-test)
Control 1 0.09 246 -
Nanomaterial 0.99 0.07 69 0.29