Fig. 1: Schematics illustrating the mechanism of electrochemical micro-aptasensors based on hybridization chain reaction (HCR). | Microsystems & Nanoengineering

Fig. 1: Schematics illustrating the mechanism of electrochemical micro-aptasensors based on hybridization chain reaction (HCR).

From: Electrochemical micro-aptasensors for exosome detection based on hybridization chain reaction amplification

Fig. 1

a Procedures for preparing biotin-labeled HCR exosomes. b, top Modification of microelectrodes with CD63. b, bottom A photo of a fabricated electrochemical micro-aptasensor with CD63-modified electrodes and a microfluidic chamber. c The working mechanism of electrochemical micro-aptasensors.

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