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(A) Practical use of the ordered GNR array chip for DNA detection based on surface plasmon-enhanced fluorescence upon hybridization with the target [57]. (B) Randomly arranged gold nanodisks on an etched glass substrate [59]. (C) Photograph and diagram of the single-molecule immunoreaction process for three thyroid hormones on a fourplex nanoimmunosensor chip [62]. Reprinted with permission from [57,59,62].
