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Reference type: Journal
Authors: Özkara S, Say R, Denizli A
Article Title: An Ion-Imprinted Monolith for in Vitro Removal of Iron out of Human Plasma with Beta Thalassemia.
Publication date: 2008
Journal: Industrial & Engineering Chemistry Research
Volume: 47
Issue: (20)
Page numbers: 7849-7856.
DOI: 10.1021/ie071471y

Abstract: Abstract: The aim of this study is to prepare an ion-imprinted monolith which can be utilized to remove Fe3+ from beta thalassemia patient plasma. Fe3+, as a template, was initially complexed with N-methacryloyl-(L)-cysteine methyl ester (MAC) to form MACFe3+ (the complex monomer), which was then polymerized with hydroxyethyl methacrylate (HEMA) to constitude a Fe3+-imprinted poly(HEMAMAC) monolith (PHEMACFe3+) by bulk polymerization method. The template (Fe3+) was removed from the polymer by 0.1 M EDTA solution. The specific surface area of PHEMACFe3+ was found to be 35.2 m2/g with a swelling ratio of 60.2%. A maximum adsorption capacity of 150 +g Fe3+/g was observed with PHEMACFe3+. It was determined that PHEMACFe3+ possesses relative selectivity coefficients for Fe3+/Cd2+ and Fe3+/Ni2+, which are 42.6 and 36.1, respectively, times greater than nonimprinted monolith (produced in the absence of Fe3+, PHEMAC). The PHEMACFe3+ monolith has been recovered and reused many times without a significant decrease in its adsorption capacity
Template and target information: iron, Fe(III), Fe3+

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