ArticlePloS one2019
Impact of particle size, oxidation state and capping agent of different cerium dioxide nanoparticles on the phosphate-induced transformations at different pH and concentration.
Article in PloS one, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed.
- Ceria-Based Nanotherapeutics for Inflammatory Skin Disorders: From Design and Mechanisms to Advanced Delivery and Future Perspectives.International journal of molecular sciences · 2026Review
- Nanosized Cerium Phosphate: Synthesis Methods, Morphology, and Potential Applications in Biomedicine.Biomedicines · 2026Review
- Cerium Phosphate Nanoparticles: Synthesis, Characterization, Biocompatibility, Regenerative Potential, and Antioxidant Activity.Molecules (Basel, Switzerland) · 2025Article
- Comprehensive Dissolution Study on Two Double Ce(IV) Phosphates with Evidence of Secondary CeOMolecules (Basel, Switzerland) · 2025Article
- Effect of cerium oxide on iron metabolism in mice.Journal of clinical biochemistry and nutrition · 2024Article
- Cerium Dioxide-Dextran Nanocomposites in the Development of a Medical Product for Wound Healing: Physical, Chemical and Biomedical Characteristics.Molecules (Basel, Switzerland) · 2024Article
- Effects of cerium oxide nanoparticles on adenine-induced chronic kidney disease model rats.Geriatrics & gerontology international · 2024Article
- Infrared and Raman Diagnostic Modeling of Phosphate Adsorption on Ceria Nanoparticles.The journal of physical chemistry. C, Nanomaterials and interfaces · 2023Article
- A Review of the Aquatic Environmental Transformations of Engineered Nanomaterials.Nanomaterials (Basel, Switzerland) · 2023Review
- Peroxidase-like Activity of CeOMolecules (Basel, Switzerland) · 2023Article
- Nanoceria: an innovative strategy for cancer treatment.Cellular and molecular life sciences : CMLS · 2023Review
- Influence of cerium oxide nanoparticles on dairy effluent nitrate and phosphate bioremediation.Environmental monitoring and assessment · 2022Article
- Rare earth smart nanomaterials for bone tissue engineering and implantology: Advances, challenges, and prospects.Bioengineering & translational medicine · 2022Review
- Acute Skin Wounds Treated with Mesenchymal Stem Cells and Biopolymer Compositions Alone and in Combination: Evaluation of Agent Efficacy and Analysis of Healing Mechanisms.Pharmaceutics · 2021Article
- Recovery of rare earth elements by nanometric CeORSC advances · 2021Article
- Towards the Development of Antioxidant Cerium Oxide Nanoparticles for Biomedical Applications: Controlling the Properties by Tuning Synthesis Conditions.Nanomaterials (Basel, Switzerland) · 2021Article
- Role of capping agents in the application of nanoparticles in biomedicine and environmental remediation: recent trends and future prospects.Journal of nanobiotechnology · 2020Review
- Efficacy of A Novel Smart Polymeric Nanodrug in the Treatment of Experimental Wounds in Rats.Polymers · 2020Article
- NanoSolveIT Project: Driving nanoinformatics research to develop innovative and integrated tools forComputational and structural biotechnology journal · 2020Review
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The potential hazard posed by nanomaterials can be significantly influenced by transformations which these materials undergo during their lifecycle, from manufacturing through to disposal. The transformations may depend on the nanomaterials' own physicochemical properties as well as the environment they are exposed to. This study focuses on the mechanisms of transformation of cerium oxide nanoparticles (CeO2 NPs) in laboratory experiments which simulate potential scenarios in which the NPs are exposed to phosphate-bearing media. We have experimented with the transformation of four different kinds of CeO2 NPs, in order to investigate the effects of nanoparticle size, capping agent (three were uncapped and one was PVP capped) and oxidation state (two consisted mostly of Ce4+ and two were a mix of Ce3+/Ce4+). They were exposed to a reaction solution containing KH2PO4, citric acid and ascorbic acid at pH values of 2.3, 5.5 and 12.3, and concentrations of 1mM and 5mM. The transformations were followed by UV-vis, zeta potential and XRD measurements, which were taken after 7 and 21 days, and by transmission electron microscopy after 21 days. X-ray photoelectron spectroscopy was measured at 5mM concentration after 21 days for some samples. Results show that for pH 5 and 5mM phosphate concentration, CePO4 NPs were formed. Nanoparticles that were mostly Ce4+ did not dissolve at 1mM reagent concentration, and did not produce CePO4 NPs. When PVP was present as a capping agent it proved to be an extra reducing agent, and CePO4 was found under all conditions used. This is the first paper where the transformation of CeO2 NPs in the presence of phosphate has been studied for particles with different size, shapes and capping agents, in a range of different conditions and using many different characterisation methods.
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