Nanomaterial effects on C. elegans lifespan

Nanomaterial: SiO2
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 0.95 0.25 60 0.087
Trial 2
  Worm lifespan
average (normalized)
S.D. n p value
(LogRank test)
Control 1 0.31 1090 -
Nanomaterial 1.02 0.33 131 0.36