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(a) PL-NAA biosensing platform developed by Feng et al. to monitor DNA hybridisation (A, Normalized PL spectra of this biosensing platform after DNA hybridisation; B, Deconvoluted PL spectrum shown in A) (adapted from [53]); (b) optical barcode system based on PL-NAA biosensing platforms developed by for Santos et al. (adapted from [52,54]).
