Nanomaterial effects on C. elegans body size

Nanomaterial: SWNT: Single-walled carbon nanotubes
Concentration: 5 ppm (dispersant: Tannic acid).
Control: Tannic acid
Test Method

Trial 1

	Worm length average (normalized)	S.D.	n	p value (Student's t-test)
Control	1	0.15	180	-
Nanomaterial	1.12	0.19	71	8.8e-6

Trial 2

	Worm length average (normalized)	S.D.	n	p value (Student's t-test)
Control	1	0.1	407	-
Nanomaterial	0.93	0.15	68	0.00064