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Inventors: Luan CL
Patent Title: Molecularly imprinted sensor for fenvalerate, preparation method and detection method
Publication date: 2012
Publication number: CN102749367

Abstract: The invention relates to a detection method for fenvalerate, a molecularly imprinted sensor for fenvalerate and a preparation method for the sensor. The detection method comprises the following steps: providing a molecularly imprinted electrochemical sensor for fenvalerate and a DPV detection system thereof and fitting a concentration calculation formula; providing sample liquid to be detected; detecting the peak current I[sample] of the sample liquid; and calculating the concentration of fenvalerate. The molecularly imprinted sensor comprises a gold electrode used as a substrate and a molecularly imprinted sensor membrane for fenvalerate prepared on the surface of the gold electrode by using an electropolymerization method, wherein the sensor membrane retains molecularly imprinted holes used for recognition of fenvalerate molecules. The preparation method for the sensor comprises the following steps: pretreating the gold electrode; preparing polymer fluid; preparing the polymer membrane; and eluting fenvalerate template molecules. According to the invention, an electrochemical detection way is employed in the invention; a great amount of complex pretreatment work is avoided, used apparatuses are simple, cost is low, and detection of fenvalerate in an on-site environment is realized. The sensor provided in the invention has the advantages of a simple preparation process, good selectivity and high sensitivity.
URL: http://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20121024&DB=EPODOC&locale=en_EP&CC=CN&NR=102749367A&KC=A&ND=4

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