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Abstract: A novel strategy based on the fluorescent molecularly imprinted polymers (FMIP) for specific recognition and sensitive sensing glycoprotein from biological samples was developed. The FMIP prepared by introducing a fluorescent boronic acid quinoline-based on the PGMA/EDMA bead surface and assembled a glycoprotein molecularly imprinted polymer using surface imprinting technology. The resultant material showed specific recognition to model glycoprotein. At the same time, the change of fluorescence caused by the amount of model glycoprotein could achieve quantitative determination. The method provided a good linear relationship of the concentrations of HRP in the range of 0.05-1 μM, and the detection limit was 0.02 μM. It is 10 times lower than the previous fluorescence nanosensor for glycoprotein. The established method combined the desired selectivity of molecularly imprinted polymers and high sensitivity of fluorescence spectroscopy. The influence of background impurities could be effectively eliminated. The outstanding features guarantee that it can be successfully applied to detect glycoprotein from biological samples under physiological conditions
Template and target information: protein, glycoprotein, horseradish peroxidase, HRP
Author keywords: molecularly imprinted polymer, Fluorescent boronic acid, glycoprotein