Nanomaterial effects on C. elegans lifespan

Nanomaterial: Graphene
Concentration: 0.52 µg/cm² (dispersant: Tannic acid).
Control: Tannic acid (3.333 µg/mL Agar)
Test Method

Trial 1
  Worm lifespan
average (normalized)
S.D. n p value
(LogRank test)
Control 1 0.38 473 -
Nanomaterial 0.98 0.33 173 0.045
Trial 2
  Worm lifespan
average (normalized)
S.D. n p value
(LogRank test)
Control 1 0.32 1555 -
Nanomaterial 0.94 0.26 140 0.0046