. Author manuscript; available in PMC: 2012 Jul 18.

Published in final edited form as: Chem Eng J. 2010 Dec 15;170(1-3):346–352. doi: 10.1016/j.cej.2010.12.021

Table 1.

Zinc concentration in roots, stems, and leaves of mesquite plants treated for 15 days in hydroponics with ZnO nanoparticles. Results are means ± SE. One-way ANOVA and Tukey’s test were used to determine statistical significance. Means with same letter are statistically equals at p ≤ 0.05.

Treatment (mg ZnO NPs L⁻¹)	Dry biomass (mg Zn kg⁻¹)
Treatment (mg ZnO NPs L⁻¹)	Root	Stem	Leaf
Control	93 ± 25a	59 ± 2a	71 ± 9a
500	3837 ± 161b	1061 ± 70b	423 ± 77b
1000	2516 ± 210b	949 ± 33b	450 ± 17b
2000	2102 ± 87b	1135 ± 56b	628 ± 130b
4000	2017 ± 122b	1113 ± 96b	400 ± 42b