Person: CESUR, SÜMEYYE
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CESUR
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SÜMEYYE
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Publication Metadata only Fabrication and characterization of pla/sa/ha composite nanofiber by electrospinning for bone tissue engineering applications(2018-07-18) CESUR, SÜMEYYE; EKREN, NAZMİ; KILIÇ, OSMAN; OKTAR, FAİK NÜZHET; BİLĞİÇ ALKAYA, DİLEK; AYAZ SEYHAN, SERAP; GÜNDÜZ, OĞUZHAN; Cesur S., Ekren N., Kılıç O., Oktar F. N., Bilğiç Alkaya D., Ayaz Seyhan S., Ege Z. R., Gündüz O.Publication Metadata only Preparation and characterization of silver-doped hydroxyapatite from seashell by different methods(2018-09-08) AYAZ SEYHAN, SERAP; BİLĞİÇ ALKAYA, DİLEK; CESUR, SÜMEYYE; OKTAR, FAİK NÜZHET; GÜNDÜZ, OĞUZHAN; , Ayaz Seyhan S., Bilğiç Alkaya D., Öztürk B. N., Cesur S., Topsakal A., Oktar F. N., Gündüz O.Publication Metadata only Hydroxyapatıte is bıomaterıals: its chemıcal synthesıs characterızatıon shell of cypaea annulus(2018-09-08) BİLĞİÇ ALKAYA, DİLEK; AYAZ SEYHAN, SERAP; CESUR, SÜMEYYE; OKTAR, FAİK NÜZHET; GÜNDÜZ, OĞUZHAN; Bilğiç Alkaya D., Ayaz Seyhan S., Öztürk B. N., Cesur S., Topsakal A., Oktar F. N., Gündüz O.Publication Metadata only Preparatıon of hydroxyapatıte biomaterıals for benzoic acid delıvery from scotch bonnets seashell by microwave processing(2018-09-08) BİLĞİÇ ALKAYA, DİLEK; AYAZ SEYHAN, SERAP; CESUR, SÜMEYYE; OKTAR, FAİK NÜZHET; GÜNDÜZ, OĞUZHAN; Öztürk B. N., Bilğiç Alkaya D., Ayaz Seyhan S., Cesur S., Topsakal A., Oktar F. N., Gündüz O.Publication Metadata only Electrospun multilayer nanofiber based intelligent drug delivery and release system(2018-07-18) OKTAR, FAİK NÜZHET; YILMAZ, BETÜL; CESUR, SÜMEYYE; GÜNDÜZ, OĞUZHAN; Ege Z. R., Oktar F. N., Akan A., Kuruca D. S., Yılmaz B., Erdemir G., Cesur S., Gündüz O.Publication Metadata only Multilayer patches for the treatment of corneal perforations caused by infections(2022-09-28) CESUR, SÜMEYYE; TINAZ, GÜLGÜN; ŞENGÖR, MUSTAFA; OKTAR, FAİK NÜZHET; GÜNDÜZ, OĞUZHAN; Kijeńska-Gawrońska ., İlhan E., Cesur S., Sulutaş R. B., Pilavcı E., Dalbayrak B., Kaya E., Arısan E. D., Tınaz G., Şengör M., et al.Publication Open Access Preparation and characterization of pure natural hydroxyapatite derived from seashells for controlled drug delivery(2022-09-01) OKTAR, FAİK NÜZHET; GÜNDÜZ, OĞUZHAN; BİLĞİÇ ALKAYA, DİLEK; AYAZ SEYHAN, SERAP; CESUR, SÜMEYYE; AYAZ SEYHAN S., Alkaya D., Cesur S., OKTAR F. N., GÜNDÜZ O.The marine species are specially used for the fabrication of bioceramic nano-powders with natural methods for their use in controlled drug delivery. However, there are only very limited studies regarding the production and synthesis of hydroxyapatite (HA)-based drug delivery systems from marine structures. In this study, poly (vinyl alcohol) (PVA) containing Rifampicin (RIF)-loaded Orange Spiny Oyster Seashell (Spondylus barbatus) hydroxyapatite (HA) composite is synthesized by an in situ ultrasound-assisted method. All samples were analyzed by X-ray diffraction (XRD), Fourier transforms infrared (FTIR) spectroscopy, and Scanning electron microscope (SEM), respectively. The in vitro drug release tests of the obtained samples were performed in a phosphate-buffered medium (PBS) at 37 degrees C. Drug release was evaluated according to five varying kinetic models. In vitro RIF release from HA/PVA composite in phosphate buffer (pH 7.4) showed prolonged sustained drug release. From the drug release kinetic models, Higuchi and Korsmeyer-Peppas were found to be the best model for the three ratios based on the correlation coefficient. The diffusion component is less than 0.5, which indicates quasi-fickian diffusion. From the kinetic study results, the RIF-loaded marine phase composite has potential use in drug delivery applications as it shows positive sustained drug release behavior.Publication Metadata only Fabrication and characterization of hazelnut shellpowder with reinforced polymer compositenanofibers(2018-09-14) KARTAL, İLYAS; OKTAR, FAİK NÜZHET; EKREN, NAZMİ; İNAN, AHMET TALAT; GÜNDÜZ, OĞUZHAN; CESUR, SÜMEYYE; Şengör İ., Cesur S., Kartal İ., Oktar F. N., Ekren N., İnan A. T., Gündüz O.Publication Open Access A novel strategy as a potential rapid therapy modality in the treatment of corneal ulcers: Fluconazole/vancomycin dual drug-loaded nanofibrous patches(2023-01-01) CESUR, SÜMEYYE; BİNGÖL ÖZAKPINAR, ÖZLEM; TINAZ, GÜLGÜN; OKTAR, FAİK NÜZHET; GÜNDÜZ, OĞUZHAN; CESUR S., Ilhan E., Pilavci E., Sulutas R. B., Gurboga M., BİNGÖL ÖZAKPINAR Ö., Kaya E., Heljak M., TINAZ G., OKTAR F. N., et al.Corneal ulcer, which is brought on by a breach in the epithelial barrier, is a dangerous infection of the avascular corneal stroma. New treatment strategies are needed, suppressing the aggressive nature of the disease and including a combination of different drugs. In this study, vancomycin (VAN) and fluconazole (FLU) dual-drug loaded dual-layered polyvinyl alcohol and gelatin (PVA/GEL) nanofibrous patches are produced by electrospinning. Scanning electron microscopy (SEM) images show smooth surfaces are obtained for both pure and drug-loaded nanofibrous patches. The tensile test results report that loading the FLU and VAN separately into the PVA/GEL patches decrease both the tensile strength and elongation at break and it is further reduced when combining two drug-loaded layers in one patch. According to drug release results, the FLU and VAN-loaded nanofibrous patches show a controlled release profile extending up to 96 h. Moreover, PVA/GEL/FLU, PVA/GEL/VAN, and PVA/GEL/FLU/VAN nanofibrous patches display significant antimicrobial activity against Candida albicans and Staphylococcus aureus. SEM, 4\"-6diamidynofenyloindol (DAPI) staining, and 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay show that PVA/FLU and PVA/GEL/FLU/VAN nanofibrous patches have a superior effect on NIH3T3 cell spreading and proliferation. The novelty of this study lays in the development of a potential dual drug rapid treatment for corneal ulcers of aggressive nature.Publication Metadata only Polylactic acid/Sodyum Alginate/Orange Oyster Shell based nanofiber composite design(2018-11-08) UZUN, MUHAMMET; EKREN, NAZMİ; OKTAR, FAİK NÜZHET; GÜNDÜZ, OĞUZHAN; CESUR, SÜMEYYE; Uzun M., Cesur S., Ekren N., Oktar F. N., Gündüz O.