B.  Söptei, Mihály, J., Szigyártó, I. Cs., Wacha, A., Németh, C., Bertóti, I., May, Z., Baranyai, P., Sajó, I. E., and Bóta, A., ?The supramolecular chemistry of gold and l-cysteine: Formation of photoluminescent, orange-emitting assemblies with multilayer structure?, Colloids and Surfaces A: Physicochemical and Engineering Aspects, vol. 470, pp. 8?14, 2015.