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In this paper, we describe two simple different ways to fabricate an array of single-walled carbon nanotubes (SWCNT) microelectrodes from SWCNT network, grown on Si substrate, through micro-fabrication process. Two kinds of material, photoresist – organic compound and sputtered SiO 2 , were used as an insulator layer for these arrays of SWCNT microelectrodes. The SWCNT microelectrodes were...
In this work, a sensitive label-free impedimetric hCG-immunosensor was constructed by using a commercial screen-printing carbon ink electrode (namely disposable electrochemical printed chip) as the basis. The carbon ink electrode of DEP chip is modified first by deposition of polypyrrole–pyrole-2-carboxylic acid copolymer and thence hCG antibody immobilization via the COOH groups of pyrrole-2-carboxylic...
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