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Sinem Ulusan

Department of Chemistry
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Core/shell type, Ce3+ and Tb3+ doped GdBO3 system: Synthesis and Celecoxib drug delivery application
Çolak, Pelin; Ulusan, Sinem; Banerjee, Sreeparna; Yılmaz, Ayşen (Elsevier BV, 2020-12-01)
In this study, luminescent and magnetic core/shell Gd1-x-yCexTbyBO3@SiO2 nanoparticles were synthesized and used to design a drug delivery system for Celecoxib (CLX). CLX was chosen as the model drug because it is a nonste...
Synthesis, Characterization and Evaluation of Cytotoxic Activities of Novel Aziridinyl Phosphonic Acid Derivatives
Khan, Rehan; Ulusan, Sinem; Banerjee, Sreeparna; Doğan, Özdemir (Wiley, 2019-11-01)
New aziridine 2-phosphonic acids were prepared by monohydrolysis of the aziridine 2-phosphonates that were obtained by the modified Gabriel-Cromwell reaction of vinyl phosphonate or alpha-tosylvinyl phosphonate with a prim...
Biodegradable polymer promotes osteogenic differentiation in immortalized and primary osteoblast-like cells
Onat, Bora; Tuncer, Sinem; Ulusan, Sinem; Banerjee, Sreeparna; Erel Göktepe, İrem (IOP Publishing, 2019-07-01)
Biodegradable polymers have been broadly used as agents that can complex with and deliver osteoinductive agents, but osteoinductivity of the polymers themselves has been rarely studied. Here we report the osteoinductivity ...
Effect of side chain variation on surface and biological properties of poly(2-alkyl-2-oxazoline) multilayers
Çağlı, Eda; Ugur, Esma; Ulusan, Sinem; Banerjee, Sreeparna; Erel Göktepe, İrem (Elsevier BV, 2019-05-01)
Multilayers of poly(2-alkyl-2-oxazoline)s (PAOX) with varying side chains were constructed through layer-by-layer (LbL) self-assembly using Tannic Acid (TA). Surface morphology, stability, wettability and stimuli-responsiv...
Multifunctional layer-by-layer modified chitosan/poly(ethylene glycol) hydrogels
Onat, Bora; Ulusan, Sinem; Banerjee, Sreeparna; Erel Göktepe, İrem (Elsevier BV, 2019-03-01)
We report the surface modification of chitosan/poly(ethylene glycol) (chitosan/PEG) hydrogel materials via layer-by-layer (LbL) technique using stimuli-responsive polymers. Water-soluble complexes of Tannic Acid (TA) and a...
Evaluation of colloidal platinum on cytotoxicity, oxidative stress and barrier permeability across the gut epithelium
Tuncer, Sinem; Colakoglu, Melis; Ulusan, Sinem; Ertaş, Gülay; KARASU, Çimen; Banerjee, Sreeparna (2019-03-01)
Colloidal platinum (Pt) is widely consumed due to its health promoting benefits. However, the exact biological effects of these nanoparticles have not been studied in detail, particularly in the gut. In the present study w...
Biologically Functional Ultrathin Films Made of Zwitterionic Block Copolymer Micelles
Ulusan, Sinem; Bütün, Vural; Banerjee, Sreeparna; Erel Göktepe, İrem (American Chemical Society (ACS), 2019-02-05)
We report the preparation of ultrathin coatings of zwitterionic block copolymer micelles and a comparison of their protein adsorption, adhesiveness, and antibacterial properties. Zwitterionic block copolymer micelles were ...