Nanomaterial effects on C. elegans lifespan

Nanomaterial: SiO2
Concentration: 2.08 µg/cm² (dispersant: DI water).
Control: DI Water
Date: 2012-11-12, by: Celeste
Test Method

Worm survival curve.

  Worm lifespan
average (days)
S.D. n p value
(LogRank test)
Control 12.6 3.5 160 -
Nanomaterial 11.1 4.1 56 0.043

Raw Data.

  Well  Lifespan Number of living worms on each day
Avg. Median 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Control 1 12.1 11
2 13.3 13
Nanomaterial 1 11.1 13