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Inventors: Yu JH, Wu LD, Yan M, Ge SG, Zhang Y, Wu KQ, Sun GQ
Patent Title: Preparation for molecularly-imprinted electroluminescent paper chip for detecting multiple sample pesticide residues
Publication date: 2016
Publication number: CN104132934

Abstract: The invention discloses a preparation for a molecularly-imprinted electroluminescent paper chip for detecting multiple sample pesticide residues. The preparation method of the sensing paper chip comprises the following steps: preparing an MIPs sol of a pesticide residue molecule; preparing a tridimensional graphene gold nanometer composite material; preparing a g-C3N4 quantum dot; and utilizing an electrode modification technology to modify the electrode surface of the sensing paper chip with the tridimensional graphene gold nanometer composite material, the g-C3N4 quantum dot and the MIPs sol. A method for detecting multiple sample pesticide residues comprises the following steps: connecting the modified sensing paper chip to an electrochemical workstation, and cooperating with a chemiluminescence apparatus to detect pesticide residues in a sample extraction solution. The prepared paper chip is strong in electrode specificity and high in sensitivity, and has the sensitivity up to nanometer gram grade. A detection process only takes 3-5 min, and the cost is low. The electrode detection method for pesticide residues is simple and rapid in operation, and reactions and results are automatically finished and recorded by an instrument.
URL: http://worldwide.espacenet.com/publicationDetails/biblio?DB=EPODOC&II=0&ND=3&adjacent=true&locale=en_EP&FT=D&date=20141105&CC=CN&NR=104132934A&KC=A

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