ArticleJournal of fluorescence2026
Dual-Mode Fluorescence/UV-Vis Sensing Platform Based on Luminescence Modulation of Upconversion Nanoparticles.
Article in Journal of fluorescence, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
2 authors.
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Abstract
Upconverting nanoparticles (UCNPs) composed of sodium yttrium fluoride (NaYF₄) nanocrystals doped with trivalent rare-earth ions are synthesized by a co-precipitation method. Under 980 nm excitation, the UCNPs exhibit two prominent emission bands, both of which undergo significant quenching upon introduction of lycopene. Laser-induced fluorescence measurements reveal a pronounced decrease in luminescence intensity following lycopene addition. UV-visible absorption and steady-state fluorescence spectroscopy further demonstrate a linear correlation between lycopene concentration and signal attenuation. The limit of detection (LOD) for the UV-Vis assay is 328 ppm, while fluorescence detection attains an LOD of 234.5 ppm. Correlation coefficients (R
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Registered trials
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