Nanomaterial effects on C. elegans lifespan

Nanomaterial: MWNT-COOH: Carboxylated multi-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 0.43 602 -
Nanomaterial 0.96 0.36 34 0.37
Trial 2
  Worm lifespan
average (normalized)
S.D. n p value
(LogRank test)
Control 1 0.36 2811 -
Nanomaterial 0.97 0.36 124 0.22