Nanomaterial effects on C. elegans body size

Nanomaterial: CeO₂: Cerium oxide nanopowder
Concentration: 1 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	0.97	0.06	80	0.00046

Trial 2

	Worm length average (normalized)	S.D.	n	p value (Student's t-test)
Control	1	0.06	400	-
Nanomaterial	0.98	0.05	91	0.0038