Nanomaterial effects on C. elegans lifespan

Nanomaterial: SWNT: Single-walled carbon nanotubes
Concentration: 0.52 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 0.9 0.29 66 0.0032
Trial 2
  Worm lifespan
average (normalized)
S.D. n p value
(LogRank test)
Control 1 0.31 1211 -
Nanomaterial 0.82 0.21 132 2.5e-12