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Recycling and reuse of magneto-fluidic nanoparticle trapping platform. The reuse test is a cyclic process, which consists of three dry-wet cycles. The dry condition is for achieving additional enhancement from magnetic particles on each micropad located in microchannel after water evaporation for static SERS measurements. The wet condition demonstrates trapped magnetic particles concentrated into the 7.5 nl wells over each micropad for dynamic SERS measurement.
