Nanomaterial effects on C. elegans lifespan

Nanomaterial: TiO2 nanoparticle
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 0.29 1564 -
Nanomaterial 0.98 0.28 101 0.56
Trial 2
  Worm lifespan
average (normalized)
S.D. n p value
(LogRank test)
Control 1 0.36 2811 -
Nanomaterial 1.12 0.35 109 0.0063