Nanomaterial effects on C. elegans body size

Nanomaterial: TiO₂ nanoparticle
Concentration: 25 ppm (dispersant: DI water).
Control: DI Water
Test Method

Trial 1

	Worm length average (normalized)	S.D.	n	p value (Student's t-test)
Control	1	0.07	321	-
Nanomaterial	0.96	0.09	86	0.00028

Trial 2

	Worm length average (normalized)	S.D.	n	p value (Student's t-test)
Control	1	0.06	400	-
Nanomaterial	1	0.07	100	0.55