Water-soluble polymeric particle embedded cryogels: Synthesis, characterisation and adsorption of haemoglobin
Author:
Erol Kadir1ORCID, Bülter Melda Bolat2, Köse Dursun Ali3ORCID, Can Hatice Kaplan4
Affiliation:
1. Department of Medical Services and Techniques , Vocational School of Health Services, Hitit University , Çorum 19030 , Turkey 2. Department of Property Protection and Security , Vocational School of Technical Sciences, Hitit University , Çorum 19900 , Turkey 3. Department of Chemistry , Faculty of Arts and Sciences, Hitit University , Çorum 19040 , Turkey 4. Department of Chemistry , Faculty of Science, Hacettepe University , Ankara 06800 , Turkey
Abstract
Abstract
Making cryogels, which are among today’s accepted adsorbents, more functional with different methods, has been one of the subjects spent overtime. In this study, water-soluble poly(maleic anhydride-alt-acrylic acid) polymer embedded in poly(2-hydroxyethyl methacrylate) cryogels. Copper ions were then immobilised to this structure, and this polymer was used for adsorption of haemoglobin from aqueous systems. Adsorption interaction was carried out on an electrostatic basis, and approximately 448.62 mg haemoglobin/g polymer adsorption capacity value was obtained. It was found that the same material has managed to maintain its adsorption ability by 90.3% even after the use of it five times in the adsorption/desorption cycle. The adsorption interaction was determined to be appropriate for the Langmuir model by isotherm studies. The change in Gibbs free energy value was calculated as −2.168 kJ/mol.
Publisher
Walter de Gruyter GmbH
Subject
Materials Chemistry,Polymers and Plastics,General Chemical Engineering
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