Neuron cells uptake of polymeric microcapsules and subsequent intracellular release |
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Authors: | Pavlov Anton M Sapelkin Andrei V Huang Xinyue P'ng Ken M Y Bushby Andy J Sukhorukov Gleb B Skirtach André G |
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Institution: | Queen Mary University of London, London, UK. |
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Abstract: | Neuron cells uptake of biodegradable and synthetic polymeric microcapsules functionalized with aggregates of gold nanoparticles incorporated into their shells is demonstrated in situ. In addition to traditionally used optical microscopy, electron microscopy is used both for higher-resolution imaging and for confirming the uptake by focused ion beam cross-sectioning of specific cells in situ. Subsequently, physical methods of release are compared to chemical methods wherein laser-induced intracellular release of dextran molecules into the cytosol of hippocampal neuron cells is studied in comparison to biodegradation. Implications of this work for neuroscience, bio-medicine and single cell studies are discussed. |
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Keywords: | delivery LbL microcapsules nanoparticles neuron protein release |
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