Inorganic Molecularly Imprinted Polymer by Sol-Gel Process for Recognition of Caffeine - Open Journal of Organic Polymer Materials

OJOPM > Vol.3 No.1, January 2013

Inorganic Molecularly Imprinted Polymer by Sol-Gel Process for Recognition of Caffeine ()

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DOI: 10.4236/ojopm.2013.31001 5,633 Downloads 10,716 Views Citations

Author(s)

Min Jae Shin, Young Jae Shin, Jae Sup Shin

Affiliation(s)

Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Korea.
Department of Chemistry, Chungbuk National University, Cheongju, Korea.
Macromolecular Science and Engineering, University of Michigan, Ann Arbor, USA.

ABSTRACT

A molecularly imprinted polymer (MIP) was formed using an inorganic polymer by a sol-gel process. The monomers which were used to synthesize the inorganic polymer were tetraethoxysilane (TEOS), triethoxymethylsilane (MTES), and triethoxyphenylsilane (PTES). Caffeine was chosen as a template for the molecular imprinting, and theophylline was chosen as the analogous counterpart compound. The discriminating ability of the synthesized MIP to these two-compounds was estimated in this study. The MIP showed the highest discriminating ability when the ratio of TEOS:MTES: PTES in the synthesis of the inorganic polymer was 1:1:3, the reaction temperature was 50?C, and the pH of the reaction system was ~6.5.

KEYWORDS

Molecularly Imprinted Polymer; Sol-Gel Process; Caffeine; Theophylline

Share and Cite:

M. Shin, Y. Shin and J. Shin, "Inorganic Molecularly Imprinted Polymer by Sol-Gel Process for Recognition of Caffeine," Open Journal of Organic Polymer Materials, Vol. 3 No. 1, 2013, pp. 1-5. doi: 10.4236/ojopm.2013.31001.

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