A UV-blocking polymer shell prevents one-photon photoreactions while allowing multi-photon processes in encapsulated upconverting nanoparticles

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Abstract

Sun block for nanoparticles: Unintentional photorelease triggered by UV light is a problem in photodynamic therapy. Encapsulating upconverting nanoparticles containing photoswitches in a UV-blocking amphiphilic polymer shuts down the one-photon process and only allows two-photon-driven photochemistry. Thus, UV light is blocked while NIR light can reach the nanoparticle core and trigger photorelease. Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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Wu, T., Barker, M., Arafeh, K. M., Boyer, J. C., Carling, C. J., & Branda, N. R. (2013). A UV-blocking polymer shell prevents one-photon photoreactions while allowing multi-photon processes in encapsulated upconverting nanoparticles. Angewandte Chemie - International Edition, 52(42), 11106–11109. https://doi.org/10.1002/anie.201305253

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