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    Article

    Near-IR photoactivation using mesoporous silica–coated NaYF4:Yb,Er/Tm upconversion nanoparticles

    Upconversion nanoparticles (UCNs) have the extraordinary ability to emit light with UV-visible wavelengths on illumination in the near IR region. This protocol describes the preparation of UCNs with potential ...

    Muthu Kumara Gnanasammandhan, Niagara Muhammad Idris, Akshaya Bansal… in Nature Protocols (2016)

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    Article

    In vivo photodynamic therapy using upconversion nanoparticles as remote-controlled nanotransducers

    A limitation of photodynamic therapy (PDT) is the depth of penetration of visible light needed for activation of the photosensitizers, restricting treatment to tumors on or just under the skin’s surface or tho...

    Niagara Muhammad Idris, Muthu Kumara Gnanasammandhan, **g Zhang… in Nature Medicine (2012)