Inventors: Yan M, Wan FW, Zhang M, Ge SG, Zhao PN, Wang SW, Yu JH, Yang P, Wu LD
Patent Title: Nanometer synergistic molecularly imprinted membrane electrode for detecting forbidden drugs in weight-reducing health care product
Publication date: 2011
Publication number: CN102043005

Abstract: The invention discloses a molecularly imprinted membrane electrode for detecting forbidden drugs in a weight-reducing health care product and a method for detecting the forbidden drugs. A method for preparing the electrode ( with a schematic diagram shown in an attached figure in the specification) comprises the following steps of: selecting a functional monomer; determining the proportion of a template molecule to the functional monomer to a cross-linking agent to an initiating agent to an organic solvent for synthesizing a molecularly imprinted sol-gel; and modifying the surface of the electrode with a carbon nanotube and the sol-gel by utilizing a layer-upon-layer modifying technology. The method for detecting the trace forbidden drugs in a weight-reducing health care product comprises the following steps of connecting the modified electrode to an electrochemical workstation and detecting merchant weight-reducing health care products, merchant weight-reducing foods and merchant weight-reducing drugs. In the invention, the electrode has the advantages of strong specificity, high sensibility and low cost, and can reach an ng level; a basic detecting process can be completed only in 5-10 minutes; the method for electrochemically detecting the forbidden drugs in the weight-reducing health care product can be operated rapidly and simply; and the reaction execution and the result recording can be automatically carried out by an instrument.
URL: http://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20110504&DB=EPODOC&locale=en_EP&CC=CN&NR=102043005A&KC=A&ND=4