Nanomaterial effects on C. elegans lifespan

Nanomaterial: CB: Carbon Black
Concentration: 2.08 µg/cm² (dispersant: 0.0025% SDS).
Control: 0.0025% SDS
Date: 2013-07-14, by: Charles, Alma
Test Method

Worm survival curve.

  Worm lifespan
average (days)
S.D. n p value
(LogRank test)
Control 14.3 4.1 319 -
Nanomaterial 14.5 2.9 130 0.27

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 24 25 26 27
Control 1 13.8 14  
2 13.5 13  
3 14.9 14 0
4 15.4 15
Nanomaterial 1 13.9 13  
2 15 14