Journal of Industrial and Engineering Chemistry, Vol.55, 224-233, November, 2017
Mitochondria-targeted fluorescent carbon nano-platform for NIR-triggered hyperthermia and mitochondrial inhibition
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We report mitochondria-targeted photothermal nanoparticles with the blocker 3-bromopyruvate (BP), delocalized lipophilic triphenylphosphonium (TPP) cations to target them to the mitochondrial membrane, and folic acid (FA) to target cancer cells. The carbonized polyethylene glycol grafted poly (dimethyl aminoethyl methacrylate)-q-catechol (F-PEG-g-PDMA-CCDP) was crosslinked with boronic acid-grafted polyethylene glycol-g-poly (dimethyl aminoethyl methacrylate) conjugated with IR825 as a near-infrared (NIR) responsive fluorescent agent, FA, TPP, BP (PEG-g-PDMA-FA/IR/TPP/BP). The F-PEG-g- PDMA-CCDP@PEG-g-PDMA-FA/IR/TPP/BP (F-FNP) showed in vitro anticancer activity to normal and cancer cell under NIR light treatments. The blocking of metabolic activity in mitochondria with a photothermal system might represent a new pathway for cancer therapy.
Keywords:Fluorescent carbon nanoparticles;Triphenylphosphonium;IR825;Target delivery;Mitochondria;Photothermal therapy
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