Nanomaterial effects on C. elegans lifespan

Nanomaterial: TiO2 nanoparticle
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 0.3 405 -
Nanomaterial 0.9 0.3 70 0.020
Trial 2
  Worm lifespan
average (normalized)
S.D. n p value
(LogRank test)
Control 1 0.29 1564 -
Nanomaterial 1.08 0.31 94 0.0061