مشخصات پژوهش

عنوان	Magnetic hydrogel beads based on PVA/sodium alginate/laponite RD and studying their BSA adsorption
نوع پژوهش	مقاله چاپ‌شده در مجلات علمی
کلیدواژه‌ها	Magnetic hydrogel beads, PVA/sodium alginate, laponite RD ,BSA adsorption
چکیده	In this study double physically crosslinked magnetic hydrogel beads were developed by a simple method including solution mixing of sodium alginate and poly(vinyl alcohol) (PVA) containing magnetic laponite RD (Rapid Dispersion). Sodium alginate and PVA were physically crosslinked by Ca2+ and freezingthawing cycles, respectively. Magnetic laponite RD nanoparticles were incorporated into the system to create magnetic response and strengthen the hydrogels. All hybrids double physically crosslinked hydrogel beads were stable under different pH values without any disintegration. Furthermore, adsorption of bovineserumalbumin(BSA)onthehydrogelbeadswasinvestigatedonthesubjectofpH,ionstrength,initial BSA concentration, and temperature. Nanocomposite beads exhibited maximum adsorption capacity for BSA at pH = 4.5. The experimental adsorption isotherm data were well followed Langmuir model and based on this model the maximum adsorption capacity was obtained 127.3 mg g−1 at 308 K. Thermodynamic parameters revealed spontaneous and monolayer adsorption of BSA on magnetic nanocomposites beads.
پژوهشگران	محمد سبزی (نفر پنجم)، فرشاد درویشی هرزویلی (نفر چهارم)، حامد حسین زاده (نفر سوم)، صدیقه موسی نژاد (نفر دوم)، غلامرضا مهدوی نیا (نفر اول)