Claim · model-written summary
TiO2-NPs increased onion root reactive oxygen species activity by 10%.
- Taxon
- onion
Allium cepat0 - Treatment
- TiO2-NPse0
- Outcome
- reactive oxygen species activitye0
- Direction
- increasede0
- Value
- 10%e0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The reactive oxygen species activity of roots growing under CuO-NPs, Al2O3-NPs, and TiO2-NPs was significantly increased by 58, 30, and 10%, respectively.”
t0“onion (Allium cepa) bulb”
Title
Bilal Ahmed; Mohammad Shahid; Mohammad Saghir Khan; et al. Metallomics 2018. doi:10.1039/c8mt00093j
Other claims from this paper (16)
- Intervention effect CuO-NPs reduced onion root mitotic index by 28% relative to untreated roots.
- Intervention effect TiO2-NPs reduced onion root mitotic index by 17% relative to untreated roots.
- Intervention effect Al2O3-NPs increased onion root mitotic index by 13% relative to untreated roots.
- Association Nanoparticle internalization in onion root tissue was dose dependent.
- Observation Treated onion roots exhibited bridges, stickiness, vagrant, broken and lag chromosomes.
- Intervention effect CuO-NPs increased onion root reactive oxygen species activity by 58%.
- Intervention effect Al2O3-NPs increased onion root reactive oxygen species activity by 30%.
- Intervention effect CuO-NPs raised root superoxide dismutase activity from 2.4 ± 0.4 to 6.1 ± 0.8 U g-1 FW.
- Intervention effect Al2O3-NPs raised root superoxide dismutase activity to 4.1 ± 0.2 U g-1 FW.
- Intervention effect TiO2-NPs raised root superoxide dismutase activity to 2.9 ± 0.2 U g-1 FW.
- Intervention effect CuO-NPs raised root catalase activity to 18.5 ± 2.1 versus 11.4 ± 1 in controls.
- Intervention effect Al2O3-NPs raised root catalase activity to 15 ± 1.1 versus 11.4 ± 1 in controls.
- Intervention effect TiO2-NPs raised root catalase activity to 13.8 ± 1 versus 11.4 ± 1 in controls.
- Association Formazan formation rose with dose in roots treated with Al2O3-NPs.
- Association Formazan formation rose with dose in roots treated with TiO2-NPs.
- Observation Under CuO-NPs, root absorbance was high at 200 μg ml-1 but fell at 2000 μg ml-1.