Foliar application of green synthesized ZnO nanoparticles reduced Cd content in shoot of lettuce

Timilsina, Anil; Adhikari, Kaushik; Chen, Hao

doi:10.1016/j.chemosphere.2023.139589

Cited by 6 publications

(4 citation statements)

References 76 publications

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“…Further, the same treatment also increased chlorophyll synthesis, CAT, and SOD activity and Zn concentration. [ 120 ] Brassica parachinensis Foliar spray (50 and 100 mg L −1 ) Pot 10 μM Foliar feeding of NPs increased plant height, root growth, biomass production, nutrient uptake (Cu, Fe, Zn and Mg), photosynthetic pigments, POD, CAT, and SOD activities and reduced MDA production. Further, ZnO-NPs also restored 60% of Cd stress metabolites into normal leaves.…”

Section: Mechanisms Of Zinc Oxide Nanoparticles To Mitigate CD Toxicitymentioning

confidence: 99%

“…However, no significant change in shoot SOD activity was observed in normal conditions. On the other hand, 50 and 100 mg L −1 ZnO-NP applications increased POD activity by 36% and 39%, respectively [ 120 ]. The studies mentioned above provide evidence that ZnO-NPs activate the antioxidant defense system, aiding in the mitigation of ROS.…”

Section: Mechanisms Of Zinc Oxide Nanoparticles To Mitigate CD Toxicitymentioning

confidence: 99%

“…Applying Zn-NPs to autotetraploid and diploid rice plants also decreased the Cd accumulation and increased Zn accumulation [ 145 ]. This positive impact of ZnO-NPs was linked with the dissolution of NP and the release of Zn from ZnO-NPs in soil [ 120 ]. The reduction in Cd accumulation can be attributed to an increase in Zn uptake, which inhibits Cd uptake, translocation, and accumulation [ 157 ].…”

Section: Mechanisms Of Zinc Oxide Nanoparticles To Mitigate CD Toxicitymentioning

confidence: 99%

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Application of Zinc Oxide Nanoparticles to Mitigate Cadmium Toxicity: Mechanisms and Future Prospects

Umair Hassan,

Huang,

Haider

et al. 2024

Plants

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Cadmium (Cd), as the most prevalent heavy metal contaminant poses serious risks to plants, humans, and the environment. The ubiquity of this toxic metal is continuously increasing due to the rapid discharge of industrial and mining effluents and the excessive use of chemical fertilizers. Nanoparticles (NPs) have emerged as a novel strategy to alleviate Cd toxicity. Zinc oxide nanoparticles (ZnO-NPs) have become the most important NPs used to mitigate the toxicity of abiotic stresses and improve crop productivity. The plants quickly absorb Cd, which subsequently disrupts plant physiological and biochemical processes and increases the production of reactive oxygen species (ROS), which causes the oxidation of cellular structures and significant growth losses. Besides this, Cd toxicity also disrupts leaf osmotic pressure, nutrient uptake, membrane stability, chlorophyll synthesis, and enzyme activities, leading to a serious reduction in growth and biomass productivity. Though plants possess an excellent defense mechanism to counteract Cd toxicity, this is not enough to counter higher concentrations of Cd toxicity. Applying Zn-NPs has proven to have significant potential in mitigating the toxic effects of Cd. ZnO-NPs improve chlorophyll synthesis, photosynthetic efficiency, membrane stability, nutrient uptake, and gene expression, which can help to counter toxic effects of Cd stress. Additionally, ZnO-NPs also help to reduce Cd absorption and accumulation in plants, and the complex relationship between ZnO-NPs, osmolytes, hormones, and secondary metabolites plays an important role in Cd tolerance. Thus, this review concentrates on exploring the diverse mechanisms by which ZnO nanoparticles can alleviate Cd toxicity in plants. In the end, this review has identified various research gaps that need addressing to ensure the promising future of ZnO-NPs in mitigating Cd toxicity. The findings of this review contribute to gaining a deeper understanding of the role of ZnO-NPs in combating Cd toxicity to promote safer and sustainable crop production by remediating Cd-polluted soils. This also allows for the development of eco-friendly approaches to remediate Cd-polluted soils to improve soil fertility and environmental quality.

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Section: Mechanisms Of Zinc Oxide Nanoparticles To Mitigate CD Toxicitymentioning

confidence: 99%

Section: Mechanisms Of Zinc Oxide Nanoparticles To Mitigate CD Toxicitymentioning

confidence: 99%

Section: Mechanisms Of Zinc Oxide Nanoparticles To Mitigate CD Toxicitymentioning

confidence: 99%

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Application of Zinc Oxide Nanoparticles to Mitigate Cadmium Toxicity: Mechanisms and Future Prospects

Umair Hassan,

Huang,

Haider

et al. 2024

Plants

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“…This behavior may be due to the high stability of the chelate complex [37], which allows a continuous release of nutrients. This slow release of nutrients release improves fertilizer efficiency and reduces losses and potential contamination [38].…”

Section: Leached Mn In Sand Columnsmentioning

confidence: 99%

Advances in the Sustainable Production of Fertilizers from Spent Zinc-Based Batteries

Barragán-Mantilla,

Ortiz,

Almendros

et al. 2024

Sustainability

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Wastes from spent batteries are a secondary source of raw materials. To ensure this, it is mandatory to design sustainable and low-cost processes. In the case of alkaline and zinc–carbon-based batteries, the high content of Zn and Mn makes them of interest in the development of fertilizers. The main objective of this research is to study the fertilizers production from spent zinc-based batteries, using sulfuric acid, citric acid (CIT) and glycine (GLY) solutions as leaching agents. Leaching with glycine at alkaline pHs shows a high selectivity of Zn over Mn, whereas the use of citric and sulfuric solutions leads to recoveries of Zn and Mn. Solutions with the highest Zn recoveries were tested in sand columns. Commercial ZnSO4 heptahydrate was used as a control. For sulfuric acid, two solutions (H2SO4 2M and 0.25M) were used. The elution of leached Zn and Mn in sand columns depended on the solution added. The Zn-Mn-CIT treatment showed a slight but steady increase in the leachates, reaching 70% and 75% of the total leached Zn and Mn, respectively, in the medium term. The Zn-Mn-H2SO4 2M and ZnSO4 treatments showed a similar behavior in Zn release. Both Zn-Mn-GLY and Zn-Mn-H2SO4 0.25M treatments showed similar amounts of leached Mn in the medium term (77% of total leached Mn), differing in the leached Zn. Solutions from the leaching of spent black mass batteries, especially Zn-Mn-CIT or Zn-Mn-GLY, showed promising behavior as fertilizer from the point of view of Zn and Mn availability as nutrients.

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Multifaceted roles of zinc nanoparticles in alleviating heavy metal toxicity in plants: a comprehensive review and future perspectives

Hassan,

Guoqin,

Ahmad

et al. 2024

Environ Sci Pollut Res

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Foliar application of green synthesized ZnO nanoparticles reduced Cd content in shoot of lettuce

Cited by 6 publications

References 76 publications

Application of Zinc Oxide Nanoparticles to Mitigate Cadmium Toxicity: Mechanisms and Future Prospects

Application of Zinc Oxide Nanoparticles to Mitigate Cadmium Toxicity: Mechanisms and Future Prospects

Advances in the Sustainable Production of Fertilizers from Spent Zinc-Based Batteries

Multifaceted roles of zinc nanoparticles in alleviating heavy metal toxicity in plants: a comprehensive review and future perspectives

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