ArticleJournal of nanobiotechnology2017
Antimicrobial effects of zero-valent iron nanoparticles on gram-positive Bacillus strains and gram-negative Escherichia coli strains.
Article in Journal of nanobiotechnology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 63 citations in OpenAlex.
- Assessing the Effects of Surface-Stabilized Zero-Valent Iron Nanoparticles on Diverse Bacteria Species Using Complementary Statistical Models.Journal of functional biomaterials · 2025Article
- Therapeutic types and advantages of functionalized nanoparticles in inducing ferroptosis in cancer therapy.Annals of medicine · 2024Review
- Toxicity of Nanoscale Zero-Valent Iron to Soil Microorganisms and Related Defense Mechanisms: A Review.Toxics · 2023Review
- Humic Acid-Coated FePolymers · 2022Article
- Green synthesis of iron-based nanoparticles usingHeliyon · 2021Article
- Bacteriostatic impact of nanoscale zero-valent iron against pathogenic bacteria in the municipal wastewater.Biologia · 2021Article
- Polyethylene GlycolNanomaterials (Basel, Switzerland) · 2020Article
- Antibacterial activity of iron oxide, iron nitride, and tobramycin conjugated nanoparticles against Pseudomonas aeruginosa biofilms.Journal of nanobiotechnology · 2020Article
- Antibacterial Property of Composites of Reduced Graphene Oxide with Nano-Silver and Zinc Oxide Nanoparticles Synthesized Using a Microwave-Assisted Approach.International journal of molecular sciences · 2019Article
- Iron Release Profile of Silica-Modified Zero-Valent Iron NPs and Their Implication in Cancer Therapy.International journal of molecular sciences · 2019Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundZero-valent iron nanoparticles (ZVI NPs) have been used extensively for the remediation of contaminated soil and groundwater. Owing to their large active surface area, they serve as strong and effective reductants. However, the ecotoxicity and bioavailability of ZVI NPs in diverse ecological media have not been evaluated in detail and most studies have focused on non-nano ZVI or Fe
resultsIn the present study, we demonstrate that ZVI NPs exhibited significant toxicity at 1000 ppm against two distinct gram-positive bacterial strains (Bacillus subtilis 3610 and Bacillus thuringiensis 407) but not against two gram-negative strains (Escherichia coli K12 and ATCC11634). Specifically, ZVI NPs caused at least a 4-log and 1-log reductions in cell numbers, respectively, in the two Bacillus strains, whereas no change was detected in the two E. coli strains. X-ray photoelectron spectroscopy, X-ray absorption near-edge, and extended X-ray absorption fine structure spectra confirmed that Bacillus cells exposed to ZVI NPs contained mostly Fe
conclusionTaken together, these data show that the toxicity of ZVI NPs was derived from their oxidative properties, which may increase the levels of reactive oxygen species and lead to cell death.
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