Nanomaterial effects on C. elegans lifespan

Nanomaterial: MWNT-COOH: Carboxylated 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 0.43 602 -
Nanomaterial 1.03 0.44 99 0.48
Trial 2
  Worm lifespan
average (normalized)
S.D. n p value
(LogRank test)
Control 1 0.36 2811 -
Nanomaterial 0.93 0.31 76 0.015