Nanomaterial effects on C. elegans lifespan

Nanomaterial: TiO2 nanoparticle
Concentration: 2.08 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 0.28 160 -
Nanomaterial 1.05 0.25 191 0.11
Trial 2
  Worm lifespan
average (normalized)
S.D. n p value
(LogRank test)
Control 1 0.29 1564 -
Nanomaterial 0.96 0.25 52 0.17
Trial 3
  Worm lifespan
average (normalized)
S.D. n p value
(LogRank test)
Control 1 0.36 2811 -
Nanomaterial 1.02 0.33 150 0.99