ArticleNanophotonics (Berlin, Germany)2024
Highly efficient upconversion photodynamic performance of rare-earth-coupled dual-photosensitizers: ultrafast experiments and excited-state calculations.
Article in Nanophotonics (Berlin, Germany), 2024. 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.
- Article
- Transferosomes as Advanced Nanocarriers for Enhanced Drug Delivery in Skin Cancer Therapy: A Comprehensive Review.Applied biochemistry and biotechnology · 2026Review
- Direct Readout of Excited-State Lifetimes in Chlorin Chromophores under Electronic Strong Coupling.Journal of the American Chemical Society · 2026Article
- Plasmonic platinum-tipped gold nanorods for tumor-targeted multimodal imaging diagnosis and NIR-II photothermal-catalytic-immuno synergetic therapy.Journal of nanobiotechnology · 2026Article
- Recent Advances in Doping and Polymer Hybridization Strategies for Enhancing ZnO-Based Gas Sensors.Nanomaterials (Basel, Switzerland) · 2025Review
- Tunable Electrical Properties of Cobalt-Doped Maghemite Nanoparticles for Advanced Resistive and Thermistor Applications.Nanomaterials (Basel, Switzerland) · 2025Article
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Authors and funding
6 authors.
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Abstract
Upconversion photodynamic therapy (UC-PDT), which integrates upconversion nanoparticles (UCNPs) with photosensitizers (PSs), presents a promising advancement in the field of phototherapy. However, despite the extensive studies focused on the design and synthesis of UCNPs, there is a paucity of systematic research on the mechanisms underlying the synergistic upconversion photodynamic effects. Here we have synthesized upconversion core@dotted-shell nanoparticles (CDSNPs) and covalently tethered them with two distinct PSs, thereby constructing a dual-PS UC-PDT system with high synergistic photodynamic performance. To unravel the mechanism underlying the synergism, we employed a combination of quantum mechanical calculations and ultrafast time-resolved spectroscopy techniques. The results indicate that rare earth oxides play a pivotal role in enhancing the intersystem crossing processes of PSs through modulating their excited electronic states. Additionally, Förster resonance energy transfer between two distinct PSs contributes to the amplification of triplet state populations, thus further enhancing the photodynamic effect.
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