Recognition Performance of o-Phthalic Acid-Cu(Ac)2 Molecular Imprinting Polymers

Chem. J. Chinese Universities

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Recognition Performance of o-Phthalic Acid-Cu(Ac)₂ Molecular Imprinting Polymers

WANG Jun, LÜ Tian, ZHAO Mei-Ping, LI Yuan-Zong

College of Chemistry and Molecular Engineering, The Key Laboratory of Bioorganic Chemistry & Molecular Engineering of Ministry of Education, Institute of Analytical Chemistry, Peking University, Beijing 100871, China

Received:2005-11-08 Revised:1900-01-01 Online:2006-08-10 Published:2006-08-10
Contact: LI Yuan-Zong

Abstract

Abstract: Molecularly imprinted polymer(MIP) was synthesized by using the complex of o-phthalic acid-Cu(Ac)₂ as the template. The experimental results show that Cu(Ac)₂-o-PA imprinted polymer[P(PA/Cu)] has selective binding to its template complex, including selectivities to the anions, cations and o-PA analogues of the complex. The possible structure of the complex Cu(Ac)₂-o-PA is also proposed according to the crystal structures of similar systems. According to the results, the acetate in Cu(Ac)₂ also participated the imprinting process and is a part of the template. Therefore, it plays an important role in the recognition of template and its analogue complexes. Additionally, the high retention of o-PA-imprinted polymer[P(PA)] toward Cu(Ac)₂-o-PA and similar Cu-complexes over o-PA itself is well explained by the binding similarity between 4-VP/o-PA and 4-VP/Cu(Ac)₂-o-PA. The metal ion-mediated imprinting approach of present study may find applications for the compound which can not be directly imprinted.

Key words: o-Phthalic acid, Copper acetate, Molecularly imprinted polymer

CLC Number:

O657.32

TrendMD:

WANG Jun, LÜ Tian, ZHAO Mei-Ping, LI Yuan-Zong. Recognition Performance of o-Phthalic Acid-Cu(Ac)₂ Molecular Imprinting Polymers[J]. Chem. J. Chinese Universities, doi: .

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Recognition Performance of o-Phthalic Acid-Cu(Ac)₂ Molecular Imprinting Polymers

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