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Reference type: Journal
Authors: Luo JP, Chen N, Yang ZY, Han JY, Zhu WY, Hong JL, Zhou XM
Article Title: Determination of active ingredients in Chinese medicine Danning Tablets using dispersion solid-phase extraction by molecular imprinting nanomaterials coupled with HPLC-DAD.
Publication date: 2017
Journal: Analytical Methods
Volume: 9
Issue: (17)
Page numbers: 2585-2589.
DOI: 10.1039/C7AY00376E

Abstract: A reliable method of magnetic molecularly imprinted polymers/dispersive solid-phase extraction (MMIPs-DSPE) was established for determination of polydatin (PD) and resveratrol (RSV) in Chinese medicine Danning TabletsŪ coupled with HPLC-DAD. This method was effectively used for the specific recognition and selective enrichment of target compounds and removal of matrix interferences in Chinese medicine. PD-MMIPs were obtained with PD as a template, methylacrylic acid (MAA) as a functional monomer, ethylene glycol dimethacrylate (EGDMA) as a crosslinking agent and azobisisobutyronitrile (AIBN) as an initiator. Good linearity was observed in the range of 0.01-10 μg mL-1, with the limit of detection of 2.5 ng mL-1 and 3.5 ng mL-1 for PD and RSV, respectively. The levels of PD and RSV in Danning Tablets[registered sign] were found to be 769.94 μg g-1 and 130.03 μg g-1, and sample recoveries were between 91.79% and 102.23% with RSD < 6%
Template and target information: polydatin, PD, resveratrol, RSV

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