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Porphyrin-lipid coated gold nanoparticles as SERS agents. A) The structure of MnPL AuNPs. The Mn-porphyrin lipid was served as both the SERS dye and the biocompatible surface coating. B) The microscopy images of A549 lung cancer cells showing MnPL AuNP used for cellular imaging. Permission obtained from Ref.[126]. Copyright (2012) by American Chemical Society.
