Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

Permanent URI for this collectionhttps://hdl.handle.net/11147/7148

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  • Article
    Citation - WoS: 4
    Citation - Scopus: 4
    Mitigation Potential of Zingerone and Rutin on Toxicity Mechanisms of Nickel To Zebrafish Based on Morphological, Dna Damage and Apoptosis Outcome Analysis
    (Elsevier, 2023) Köktürk, Mine; Yıldırım, Serkan; Atamanalp, Muhammed; Kılıçoğlu, Metin; Uçar, Arzu; Özhan, Güneş; Alak, Gonca
    Although nickel (Ni) is an important cofactor for various enzymes in biological systems, it can cause serious problems when insufficient or excessive in an organism. Therefore, it is very important to investigate Ni in biological systems, especially in cells with its related pathogenic mechanism. This study was carried out to demonstrate the effects of zingerone (ZO) and rutin (RN) administration against nickel chloride (NiCl2) toxicity on neurobehavioral performance and brain oxidative status in zebrafish (Danio rerio) embryos/larvae on histological perspective. The experimental design of the study, which included twenty groups of fish, each containing 10 embryos, was prepared as semi-static and the trial continued for 96 hpf. In the obtained findings, it was determined that ZO and RN had a mitigating effect in this toxicity table where Ni caused oxidative stress in zebrafish larvae, induced DNA damage and apoptosis. A similar picture is valid for malformation processes as well as survival and hatching rates. These results showed that nickel is toxic to developing embryos via acting different mechanisms. In conclusion, we observed that ZO and RN have a greater effect on physiology, DNA damage and apoptosis than gross morphology, with a significant ameliorative effect.
  • Article
    Citation - WoS: 16
    Citation - Scopus: 15
    Characterization of Silk Fibroin Based Films Loaded With Rutin-Ss Inclusion Complexes
    (Kluwer Academic Publishers, 2014) Şamlı, Merve; Bayraktar, Oğuz; Korel, Figen
    In this study, cyclodextrin inclusion complexes with rutin were prepared via co-precipitation method. Stability constant and solubility energy of beta-cyclodextrin complex were calculated as 262 M-1 and 1,737 kJ mol-1, respectively. Aqueous solubility of rutin was increased with inclusion complex of beta-cyclodextrin. The effect of temperature on both aqueous solubility of free rutin, and its inclusion complex was also studied. Characterization of cyclodextrin complexes were conducted with UV-Vis spectrophotometry, Fourier transform infrared spectroscopy, X-ray diffractometry, differential scanning calorimetry, thermal gravimetric analysis, nuclear magnetic resonance spectroscopy and scanning electron microscopy techniques. Characterization results supported formation of inclusion complexes. Dissolution profiles of rutin, physical mixture and inclusion complex of rutin were observed at 37 °C. Dissolution results proved the effect of cyclodextrin addition on solubility rate of rutin. After loading rutin and its complexes into silk fibroin based films, release tests were performed at 37 °C in neutral pH conditions for 24 h. Most of the rutin were released from silk fibroin films within the first 5 h and the rest of it was released slowly (sustained release). Electron microscope analyses showed that films had homogenous and dense morphologies. These results revealed that silk fibroin is useful for preparing bioactive films loaded with natural compounds and for modifying their release behaviour at physiological conditions.