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Nano Convergence
Fig. 4 | Nano Convergence

Fig. 4

From: Nanotechnology in emerging liquid biopsy applications

Fig. 4

a A photoelectrochemical sensing system based on a decrease in the signal, as quantum dots (QDs) are moving away from the electrode’s surface upon hybridization of target miRNA to DNA hairpin/AuNPs/TiO2NPs-decorated fluorine-tin oxide electrodes. b A lateral flow assay based on QDs-DNA as reporters and SDA target amplification for miRNA detection. AuNPs gold nanoparticles, TZ test zone, CZ control zone, SA streptavidin, B biotin

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