ArticleScientific reports2017
Aluminum plasmonic nanoshielding in ultraviolet inactivation of bacteria.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Discovery of a new volcanic soil material, "Akahoya," as an adsorbent for bacterial and viral pathogens and its application to environmental purification.Applied and environmental microbiology · 2024Article
- Uncovering the Evolution of Low-Energy Plasmons in Nanopatterned Aluminum Plasmonics on Graphene.Nano letters · 2022Article
- Advances in Waveguide Bragg Grating Structures, Platforms, and Applications: An Up-to-Date Appraisal.Biosensors · 2022Review
- Mechanism of transient photothermal inactivation of bacteria using a wavelength-tunable nanosecond pulsed laser.Scientific reports · 2021Article
- Article
- Transient photothermal inactivation of Escherichia coli stained with visible dyes by using a nanosecond pulsed laser.Scientific reports · 2020Article
- Multi-pulse laser-induced bubble formation and nanoparticle aggregation using MoSScientific reports · 2020Article
- Plasmonics for Biosensing.Materials (Basel, Switzerland) · 2019Review
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Ultraviolet (UV) irradiation is an effective bacterial inactivation technique with broad applications in environmental disinfection. However, biomedical applications are limited due to the low selectivity, undesired inactivation of beneficial bacteria and damage of healthy tissue. New approaches are needed for the protection of biological cells from UV radiation for the development of controlled treatment and improved biosensors. Aluminum plasmonics offers attractive opportunities for the control of light-matter interactions in the UV range, which have not yet been explored in microbiology. Here, we investigate the effects of aluminum nanoparticles (Al NPs) prepared by sonication of aluminum foil on the UVC inactivation of E. coli bacteria and demonstrate a new radiation protection mechanism via plasmonic nanoshielding. We observe direct interaction of the bacterial cells with Al NPs and elucidate the nanoshielding mechanism via UV plasmonic resonance and nanotailing effects. Concentration and wavelength dependence studies reveal the role and range of control parameters for regulating the radiation dosage to achieve effective UVC protection. Our results provide a step towards developing improved radiation-based bacterial treatments.
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