Label-Free SERS Analysis: Au@Carbon Dot Nanoprobes for Molecular Fingerprinting

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In this study, we developed a low-cost surface-enhanced Raman scattering (SERS)-based fingerprint nanoprobe with favorable biocompatibility to show label-free live cell bioimaging and detect two bacterial strains, showing in detail how to get SERS spectra of living cells in a non-destructive method.