Nanomaterial effects on C. elegans body size

Nanomaterial: MWNT-15-5: 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 0.97 0.06 23 0.039
Trial 2
  Worm length
average (normalized)
S.D. n p value
(Student's t-test)
Control 1 0.07 176 -
Nanomaterial 0.87 0.06 47 5.8e-22
Trial 3
  Worm length
average (normalized)
S.D. n p value
(Student's t-test)
Control 1 0.09 246 -
Nanomaterial 0.97 0.09 50 0.058