Nanomaterial effects on C. elegans lifespan

Nanomaterial: MWNT-OH: Hydroxylated multi-walled carbon nanotubes
Concentration: 0.21 µg/cm² (dispersant: DI water).
Control: DI Water
Test Method

Trial 1
  Worm lifespan
average (normalized)
S.D. n p value
(LogRank test)
Control 1 0.36 2811 -
Nanomaterial 0.95 0.28 138 0.013
Trial 2
  Worm lifespan
average (normalized)
S.D. n p value
(LogRank test)
Control 1 0.31 1211 -
Nanomaterial 1.08 0.3 138 0.030