Nanomaterial effects on C. elegans lifespan

Nanomaterial: SiO2
Concentration: 2.08 µg/cm² (dispersant: DI water).
Control: DI Water
Date: 2013-07-14, by: Charles, Alma
Test Method

Worm survival curve.

  Worm lifespan
average (days)
S.D. n p value
(LogRank test)
Control 14.1 4.4 1090 -
Nanomaterial 14.7 3.7 93 0.66

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 28 29 30 31 32
Control 1 16.2 16        
2 14.5 14            
3 13.3 13            
4 14.5 14            
5 14.7 13        
6 13.1 13            
7 14.1 13            
8 15 15 49            
9 13.3 13 5                    
10 14.2 13    
11 14.8 15        
12 13.4 13            
13 13.9 14
14 14.2 13            
15 13.6 13            
16 13 12        
Nanomaterial 1 15 14            
2 14.3 13