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Inventors: Qiu JD, Huang CF, Liang RP
Patent Title: Construction and application of impedance type electrochemical sensor based on molecularly imprinted polymer with magnetic surface
Publication date: 2014
Publication number: CN104181217

Abstract: The invention discloses a construction method of an impedance type electrochemical sensor based on a molecularly imprinted polymer with a magnetic surface and an application of the sensor in protein detection, and belongs to the technical field of electrochemical sensing. The construction method comprises the following steps: synthesizing the molecularly imprinted polymer on the surface of a magnetic nano particle by taking hemoglobin as a template molecule and dopamine as a monomer and by using the self polymerization performance and the good adhesive capacity of the dopamine; eluting the hemoglobin, so as to prepare the molecularly imprinted polymer with the magnetic surface, wherein the molecularly imprinted polymer with the magnetic surface has the good identification effect on the hemoglobin; and fixing the polymer on the surface of a magnetic glassy carbon electrode under the action of a magnetic field, so as to construct a hemoglobin sensing interface based on the molecularly imprinted polymer with the magnetic surface, wherein the hemoglobin sensing interface based on the molecularly imprinted polymer with the magnetic surface is used for hemoglobin detection. The constructed electrochemical sensor based on the molecularly imprinted polymer with the magnetic surface is simple in method, high in hemoglobin detection sensitivity and good in selectivity.
URL: http://worldwide.espacenet.com/publicationDetails/biblio?DB=EPODOC&II=0&ND=3&adjacent=true&locale=en_EP&FT=D&date=20141203&CC=CN&NR=104181217A&KC=A

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