a solid binding matrix/mimic receptor-based sensor system for trace level determination of iron using potential measurements
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ID: 212024
2011
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Abstract
Iron(II)-(1,10-phenanthroline) complex imprinted membrane was prepared by ionic imprinting technology. In the first step, Fe(II) established a coordination linkage with 1,10-phenanthroline and functional monomer 2-vinylpyridine (2-VP). Next, the complex was copolymerized with ethylene glycol dimethacrylate (EGDMA) as a crosslinker in the presence of benzoyl peroxide (BPO) as an initiator. Potentiometric chemical sensors were designed by dispersing the iron(II)-imprinted polymer particles in 2-nitrophenyloctyl ether (o-NPOE) plasticizer and then embedded in poly vinyl chloride (PVC) matrix. The sensors showed a Nernstian response for [Fe(phen)3]2+ with limit of detection 3.15 ng mL−1 and a Nernstian slope of 35.7 mV per decade.
| Reference Key |
kamel2011internationala
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|---|---|
| Authors | ;Ayman H. Kamel;Felismina T. C. Moreira;Tamara I. Silva;M. Goreti F. Sales |
| Journal | BMJ open quality |
| Year | 2011 |
| DOI |
10.4061/2011/643683
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