ArticleInternational journal of nanomedicine2023
A Novel Strategy Based on Zn(II) Porphyrins and Silver Nanoparticles to Photoinactivate
Article in International journal of nanomedicine, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Quercetin: A Light in the Fight Against MRSA.MicrobiologyOpen · 2026Article
- Improved Photodynamic Inactivation of ResistantACS omega · 2026Article
- Evaluation of the Antimicrobial Activity of Bimetallic TiOPolymers · 2026Article
- Sensitivity enhancement of surface plasmon resonance biosensors based on versatile nanostructures: principle, fabrication, and illustrative applications.Microsystems & nanoengineering · 2026Review
- Recent Advances in the Application of Silver Nanoparticles for Enhancing Phototherapy Outcomes.Pharmaceuticals (Basel, Switzerland) · 2025Review
- Antibacterial Activity of Silver-Modified CuO Nanoparticle-Coated Masks.Bioengineering (Basel, Switzerland) · 2024Article
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Authors and funding
11 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Photodynamic inactivation (PDI) is an attractive alternative to treat Methods: AgNPs stabilized with PVP were chosen to allow for (i) overlap between the NP extinction and absorption spectra of ZnPs and (ii) favor AgNPs-ZnPs interaction; prerequisites for exploring the plasmonic effect. Optical and zeta potential (ζ) characterizations were performed, and reactive oxygen species (ROS) generation was also evaluated. Yeasts were incubated with individual ZnPs or their respective AgNPs-ZnPs systems, at various ZnP concentrations and two proportions of AgNPs, then irradiated with a blue LED. Interactions between yeasts and the systems (ZnP alone or AgNPs-ZnPs) were evaluated by fluorescence microscopy. Results: Subtle spectroscopic changes were observed for ZnPs after association with AgNPs, and the ζ analyses confirmed AgNPs-ZnPs interaction. PDI using ZnP-hexyl (0.8 µM) and ZnP-ethyl (5.0 µM) promoted a 3 and 2 log Conclusion: We applied a facile synthesis of AgNPs which boosted ZnP efficiency. We hypothesize that the plasmonic effect combined with the greater interaction between cells and AgNPs-ZnPs systems resulted in an efficient and improved fungal inactivation. This study provides insight into the application of AgNPs in PDI and helps diversify our antifungal arsenal, encouraging further developments toward inactivation of resistant
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