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Journals / Hacettepe Journal of Biology and Chemistry / 2026 / Volume: 35 Issue: 3

Poly acrylamide-allyl glycidyl ether Cryogel as a Novel Stationary Phase for Chlorophenol Adsorption

Engin Bayram(Hacettepe University, Department of Chemistry, Ankara, Turkey)
Lokman Uzun(Hacettepe University, Department of Chemistry, Ankara, Turkey)
Deniz Türkmen(Hacettepe University, Department of Chemistry, Ankara, Turkey)
Erkut Yılmaz(Hacettepe University, Department of Chemistry, Ankara, Turkey)
Igor Yu Galaev(Lund University, Department of Biotechnology Center for Chemistry and Chemical Engineering, Sweden)
Adil Denizli(Hacettepe University, Department of Chemistry, Ankara, Turkey)
Sema Bektaş(Hacettepe University, Department of Chemistry, Ankara, Turkey)
Pages
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Publication Date
2007-08-01
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The cibacron BlueF3GA-carrying cryogels are suitable for repeated use for more than ten cycles without noticeable loss of adsorptioncapacity

📌 3 Key Takeaways

🎯
Objective & Hypothesis:Poly acrylamide-allyl glycidyl ether [poly AAm-AGE ] cryogel was prepared by bulk polymerization which proceedsin an aqueous solution of monomers frozen inside a glass column cryo-polymerization .
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Key Findings & Data:After thawing, the monolithiccryogel contains a continuous polymeric matrix having interconnected pores of 10-100 µm size.
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Conclusion & Impact:The cibacron BlueF3GA-carrying cryogels are suitable for repeated use for more than ten cycles without noticeable loss of adsorptioncapacity
🔬Design:Article
📍Scope:Comprehensive Sample
⚙️Variables:Dye-affinity adsorption · cryogels · chlorophenols

Abstract

Poly acrylamide-allyl glycidyl ether [poly AAm-AGE ] cryogel was prepared by bulk polymerization which proceedsin an aqueous solution of monomers frozen inside a glass column cryo-polymerization . After thawing, the monolithiccryogel contains a continuous polymeric matrix having interconnected pores of 10-100 µm size. Cibacron Blue F3GAwas immobilized by covalent binding onto poly AAm-AGE cryogel via epoxy groups. Poly AAm-AGE cryogel wascharacterized by swelling studies, FTIR, scanning electron microscopy SEM and elemental analysis. The equilibriumswelling degree of the poly AAm-AGE monolithic cryogel was 6.84 g HO/g cryogel. Poly AAm-AGE cryogelcontaining 68.9 µmol Cibacron Blue F3GA/g were used in the adsorption/desorption of chlorophenols i.e., phenol,m-chlorophenol, p-chlorophenol and 2,4,6-trichlorophenol from aqueous solutions. The maximum adsorptions ofchlorophenols onto the Cibacron Blue carrying cryogels were 128.5 µmol/g for phenol, 144.3 µmol/g for 2,4,6trichlorophenol, 155.8 µmol/g for p-chlorophenol and 164.7 µmol/g for m-chlorophenol. The affinity order was asfollows: m-chlorophenol > p-chlorophenol > 2,4,6-trichlorophenol > phenol. The adsorption of chlorophenols decreasedwith increasing pH. Desorption of chlorophenols was achieved using methanol solution 30%, v/v . The cibacron BlueF3GA-carrying cryogels are suitable for repeated use for more than ten cycles without noticeable loss of adsorptioncapacity

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Cite This Article

Bayram, E., Uzun, L., Türkmen, D., Yılmaz, E., Galaev, I. Y., Denizli, A., Bektaş, S. (2007). Poly acrylamide-allyl glycidyl ether Cryogel as a Novel Stationary Phase for Chlorophenol Adsorption. Hacettepe Journal of Biology and Chemistry, Volume: 35 Issue: 3. https://ajindex.com/articles/1271160

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