Journal
NANO LETTERS
Volume 11, Issue 2, Pages 888-892Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl104280c
Keywords
Gold nanoparticle; optical tweezers; heating; photothermal therapy; giant unilamellar vesicles; Lipid phase transition; surface plasmonics
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Funding
- University of Copenhagen
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Irradiated metallic nanoparticle hold great promise as heat transducers in-photothermal applications as drug delivery assays or photothermal therapy. We quantify the temperature increase of individual gold nanoparticles trapped in three dimensions near lipid vesicles exhibiting temperature sensitive permeability. The surface temperature can increase by hundreds of degrees Celsius even at moderate laser powers. Also, there are significant differences of the heat profiles in two-dimensional and three-dimensional trapping assays.
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