Nanomaterial effects on C. elegans lifespan

Nanomaterial: TiO2 nanotube: Titanium dioxide nanotubes
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 1.03 0.24 173 0.54
Trial 2
  Worm lifespan
average (normalized)
S.D. n p value
(LogRank test)
Control 1 0.43 602 -
Nanomaterial 0.93 0.37 59 0.087
Trial 3
  Worm lifespan
average (normalized)
S.D. n p value
(LogRank test)
Control 1 0.29 1564 -
Nanomaterial 0.98 0.2 111 0.057
Trial 4
  Worm lifespan
average (normalized)
S.D. n p value
(LogRank test)
Control 1 0.36 2811 -
Nanomaterial 0.94 0.29 79 0.0086