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Reference type: Journal
Authors: Ou XX, Yu CY, Wang C, Zhang FJ
Article Title: Separation of photosensitive substances in humic acids using molecular imprinting method based on electrostatic interactions and hydrogen bond.
Publication date: 2013
Journal: Journal of Physics: Conference Series
Volume: 418
Issue: (1)
Page numbers: Art. No. 012076.

Abstract: The goal of this research was to provide an improved understanding of the existence of photosensitive structure in humic acids (HAs) that are extracted from Changbai Mountain soils. Molecular imprinting technique was used to separate phthalocyanine-like substances from HAs with the mechanisms of electrostatic interactions and intermolecular hydrogen bond. Copper phthalocyanine (CuPc) was used as template molecule and the fraction bound by CuPc-imprinted polymers (MIP) named F (bind) presented higher spectroscopic activity than that of effluent fraction named F (eff). The fluorescence intensity of F(bind) at emission wavelength of 462 nm was 5.5 times as high as that of F(eff) at 458 nm, and the UV-vis absorbance at 254 nm of F(bind) had been increased to 2.5 times as compared with F(eff). The results of this work show the key role of humic substances with special structures in the light or photo involved process
Template and target information: copper phthalocyanine, CuPc

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