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Ruppert C, Thunich S, Abstreiter G, Fontcuberta i Morral A, Holleitner AW, Betz M.Ruppert C, et al.Nano Lett. 2010 May 12;10(5):1799-804. doi: 10.1021/nl1004898.Nano Lett. 2010.PMID: 20373775