ORCID "0000-0003-1535-4381" Polimer Mühendisliği Bölümü için listeleme
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2-Isopropenyl-2-oxazoline: A versatile monomer for functionalization of polymers obtained via RAFT
Weber, Christine; Neuwirth, Toni; Kempe, Kristian; Özkahraman, Bengi; Tamahkar Irmak, Emel; Mert Balaban, Hümeyra; Becer, C. Remzi; Schubert, Ulrich S. (2012)2-Isopropenyl-2-oxazoline (iPOx) was polymerized for the first time via a controlled radical polymerization technique. Reversible addition-fragmentation chain transfer (RAFT) polymerization utilizing a dithiobenzoate-based ... -
Adsorption of Brilliant Green from Aqueous Solutions onto Crosslinked Chitosan Graft Copolymers
Özkahraman, Bengi; Bal, Ayça; Acar, Işıl; Güçlü, Gamze (2011)In this study, graft copolymerization of itaconic acid (IA) and crotonic acid (CA) onto the crosslinked chitosan beads were carried out using ammonium persulfate as initiator. Grafted chitosan beads were characterized by ... -
Carbon nanotube based polyvinylalcohol-polyvinylpyrolidone nanocomposite hydrogels for controlled drug delivery applications
Özkahraman, Bengi; Tamahkar Irmak, Emel (Eskişehir Teknik Üniversitesi, 2017)Controlled drug release systems present a significant alternative to the conventional drug dosages providing drug release for prolonged time periods. Nanocomposite hydrogels offer an important potential for drug release ... -
Controlled release profile of 5-fluorouracil loaded P(AAM-co-NVP-co-DEAEMA) microgel prepared via free radical precipitation polymerization
Özbaş, Zehra; Özkahraman, Bengi; Bal Öztürk, Ayça (Springer Verlag, 2018)A new microgel was prepared by free radical precipitation polymerization of acrylamide (AAM), 1-vinyl-2-pyrrolidone (NVP) and 2-(diethylamino)ethyl methacrylate (DEAEMA) to be used for the controlled drug release. The ... -
Engineering hydrogel nanoparticles to enhance transdermal local anaesthetic delivery in human eyelid skin
Özkahraman, Bengi; Emeriewen, Krisztina; Saleh, George Michael; Thanh, Nguyẽn Thi Kim (Royal Society of Chemistry, 2020)Herein, we focused on developing the feasibility of nano-enabled local anaesthetic (LA) delivery to anaesthetise the full thickness of eyelid skin. For this purpose a temperature-responsive hydrogel poly(Nvinylcaprolacta ... -
Hydrophobic surface modification and characterization of melamine foam
Okutan, Merve; Boran, Filiz; Ergün, Ayça; Kanca, Yusuf; Özkahraman, Bengi; Deligöz, Hüseyin (TUBİTAK, 2023)Abstract: Superhydrophobic and oleophilic modification of commercial acoustic melamine foam (MF) was made in this study. The modification was carried out with chitosan (CHI) and silica particles (SiO2 ), by using both a ... -
N-vinylcaprolactam-based microgels: synthesis, characterization and drug release applications
Özkahraman, Bengi; Acar, Işıl; Gök, Mehmet Koray; Güçlü, Gamze (Springer Netherlands, 2016)In this study, N-vinylcaprolactam, metacrylic acid sodium salt and itaconic acid sodium salt-based copolymeric and terpolymeric microgels were synthesized by precipitation polymerization method with 2,2?-azobis(2-methylp ... -
A novel wound dressing material: Pullulan grafted copolymer hydrogel via UV copolymerization and crosslinking
Mert Balaban, Hümeyra; Özkahraman, Bengi; Damar, Hüdanur (Editions de Sante, 2020)This study presents the preparation and characterization of pullulan grafted copolymer hydrogel as a new wound dressing material. In this regard, pullulan grafted copolymer hydrogel (PGH) was prepared via UV copolymerization ... -
Preparation and characterization of pH responsive poly(methacrylic acid-acrylamide-N-hydroxyethyl acrylamide) hydrogels for drug delivery systems
Bal, Ayça; Özkahraman, Bengi; Özbaş, Zehra (John Wiley and Sons Inc., 2016)In this study, pH responsive polymers composed of methacrylic acid, acrylamide, and N-hydroxyethyl acrylamide were synthesized by free radical polymerization technique. The characterization was done with Fourier transform ... -
Removal of Cu 2+ and Pb 2+ Ions Using CMC Based Thermoresponsive Nanocomposite Hydrogel
Özkahraman, Bengi; Acar, Işıl; Emik, Serkan (2011)In this study, carboxymethylcellulose (CMC) based thermoresponsive nanocomposite hydrogel was synthesized for the removal of Cu 2+ and Pb 2+ ions from aqueous solutions. To prepare nanocomposite hydrogel, graft copolymerization ... -
Study on adsorption, regeneration, and reuse of crosslinked chitosan graft copolymers for Cu(II) ion removal from aqueous solutions
Bal, Ayça; Özkahraman, Bengi; Acar, Işıl; Özyürek, Mustafa; Güçlü, Gamze (Desalination Publications, 2014)This study deals with the adsorption, regeneration, and reuse of chitosan-graft-itaconic acid and chitosan-graft-crotonic acid beads for Cu(II) ion removal from aqueous solutions. For this aim, adsorption capacities, ... -
Synthesis and characterization of poly (VCL-HEA-IA) terpolymer for drug release applications
Özkahraman, Bengi; Acar, Işıl; Güçlü, Gamze (M.D. Publications, 2016)In the present work, poly(VCL-HEA-IA) terpolymeric hydrogels were synthesized by free radical polymerization of N-vinylcaprolactam (VCL), 2-hydroxethyl acrylate (HEA), and itaconic acid (IA) monomers using N, N'-methylene ... -
Synthesis of chitosan-based hydrogels as a novel drug release device for wound healing
Tamahkar Irmak, Emel; Özkahraman, Bengi (Hitit University, 2017)The development of the porous, biocompatible and biodegradable hydrogels has been gaining much attention for wound dressing applications. The hydrogels prepared using freeze-thawing method present important properties ... -
Synthesis of Ion-Imprinted Bioadsorbents Based on Chitosan and its Usage in Al(III) Removal
Özkahraman, Bengi (Springer New York LLC, 2018)As a main goal of the study, a new Al(III) ion-imprinted (Al(III)-IP) bioadsorbent beads were synthesized through crosslinking of chitosan (CS) by epichlorohydrin (ECH) using ion-imprinting strategy and the selective Al(III) ... -
Synthesis of Zn(II) ion-imprinted polymeric adsorbent for selective removal of zinc from aqueous solutions
In this study, Zn(II)-imprinted polymer microbeads were synthesized for selective removal of Zn(II) from aqueous solutions. The microbeads were prepared using methacrylic acid and 1,4-vinyl pyrrolidone as functional monomers, ... -
Thiolated Cellulose: A Dual-Acting Mucoadhesive and Permeation-Enhancing Polymer
Kali, Gergely; Özkahraman, Bengi; Laffleur, Flavia; Knoll, Patrick; Wibel, Richard; Zoller, Katrin; Bernkop-Schnurch, Andreas (AMER CHEMICAL SOC, 2023)This study aims to design an anionic, thiolated cellulose derivative and to evaluate its mucoadhesive and permeation-enhancing properties utilizing enoxaparin as a model drug. 2-Mercaptosuccinic acid-modified cellulose ... -
Worldwide trends on encapsulation of phase change materials: A bibliometric analysis (1990–2015)
Yatağanbaba, Alptuğ; Özkahraman, Bengi; Kurtbaş, İrfan (Elsevier Ltd, 2017)Context Science is not static! In light of this basic approach, it can be expressed clearly that bibliometric methods or analysis has become an indispensable guide to be draw scientific and technological roadmaps in their ...