The magnetic fructose imprinted polymer for determination of fructose from apple juice

Year 2018, Volume: 2 Issue: 1, 44 - 49, 13.05.2018

Burcu Okutucu

https://doi.org/10.32571/ijct.390294

Abstract

Molecularly imprinted polymers (MIP) are
synthetic receptors that have an ability to recognize and select its template
molecule from complex matrix. Nowadays many new approaches of MIPs are
researched. One of them is the preparing of magnetic MIPs. Magnetic molecularly
imprinted polymer (MMIP) nanoparticles can be a candidate for solid phase
extraction adsorbent by the porous morphology, narrow size distribution, stable
chemical and thermal property. The aim of this study is to prepare MMIP
nanoparticles for solid phase extraction of fructose from apple juice. The PEG
treated Fe₃O₄ magnetic nanoparticles surface was coated
with monosaccharide (fructose) imprinted polymer. The monomer acrylamide,
cross-linking agent ethylene glycol dimethacrylate (EGDMA), initiator
azobisisobutyronitrile (AIBN), the porogen dimethylsulfoxide were used for
fructose imprinting. The structural characterization of MMIP was performed by
FT-IR, and the imprinting characteristics of polymer were also studied by
adsorption experiment and Scatchard analysis. The 65% of fructose was recognized
with fructose MMIP from apple juice using only an external permanent magnet
without filtration/centrifugation.

Keywords

Nanoparticles, magnetic molecularly imprinted polymers, fructose, apple juice

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