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\bibitem{Kumar_etal2018} {\textquotedblleft}\textit{Detection of amyloid fibrils in Parkinson{\textquoteright}s disease using plasmonic chirality}{\textquotedblright}. Kumar J, Era{\~n}a H, L{\'o}pez-Mart{\'\i}nez E, Claes N, Mart{\'\i}n VF, Sol{\'\i}s DM, Bals S, Cortajarena AL, Castilla J, Liz-Marz{\'a}n LM, Proceedings of the National Academy of Sciences of the United States of America \textbf{115}, 3225 (2018).   http://doi.org/10.1073/pnas.1721690115

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