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- MakaleAçık Erişim2026Scopus SJRQ3Ten-Year Trends in Kidney Transplantation by Donor Type, Age, Dialysis, and Sex/Gender Inequality in Turkiye
Ordin, Yaprak Sarigol; Kankaya, Eda Ayten; Celik, Buket
Introduction: Gender disparity remains a global issue in access to renal replacement therapy and kidney transplantation among patients with end-stage kidney disease. Aim: This study examined trends in donor type, recipient age, and dialysis modality in kidney transplantation in T & uuml;rkiye from 2013 to 2022. A secondary aim was to explore gender disparities in kidney transplantation and treatment modalities for end-stage kidney disease using registry data. Methods: This descriptive and cross-sectional study analyzed the distribution and trends of kidney transplants in T & uuml;rkiye between 2013 and 2022. The data were obtained from the publicly accessible Registry of Nephrology, Dialysis, and Transplantation reports in Turkiye. Per million population increase/decrease rate, chi(2) linear trend, and chi(2) R by C were used. Results: Overtime, transplants from living donors increased, while deceased donor transplants decreased. The highest rates of living donor transplants were in 2022, 2021, and 2019. Transplants in high-risk age groups increased significantly. There were differences in donor type among patients receiving hemodialysis, peritoneal dialysis, or preemptive transplantation (p < .001). Preemptive transplants showed the most significant increase, especially from living donors in 2022. Between 2013 and 2022, kidney transplantation increased by 24.67% in men and 19.94% in women. Female transplant rates were lowest in 2016, 2020, and 2021, indicating a persistent gender gap. There was no significant gender difference in the incidence of hemodialysis or peritoneal dialysis. Conclusion: Living donor transplants, especially preemptive ones, increased markedly over the past decade. Gender disparities persist, and efforts should focus on improving access for women and promoting deceased donor programs to ensure equity.
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İncele - MakaleAçık Erişim2024Scopus SJRQ2Seed content and its oil composition in walnut cultivated from Tunceli, Türkiye
Aydin, Caglar Mert; Güven, Alper
The study is intended to shed light on walnut species cultivated in Tunceli province in 2022 and the oils produced from Juglans regia Fernor walnuts. Physicochemical properties of walnuts and fatty acid composition of the oils produced from the walnuts were identified. In addition, nutritional indexes and bioactive compounds of the oils were determined.Overall, physicochemical properties of the seeds belonging to walnuts significantly changed according to the variety. The major component in walnut seeds was found to be oil content. Saturated (SFA), monounsaturated (MUFA) and polyunsaturated (PUFA) fatty acid ratios of the walnuts were varied according to the type of seed. Characterization of fatty acid composition in the oils from the walnuts was performed according to 6 different fatty acid levels. These fatty acids are myristic, palmitic, margaric, oleic, linoleic and linolenic acid. The oils have a refractive index being in the range of 1.4677-1.4694, the iodine value being in the range of 107-109 gms. TPC (total phenolic content) and DPPH antioxidant activity of the oils significantly changed according to the variety. TPC of the oils were found in the range of 0.33-1.53 mg GAE/g oil and DPPH antioxidant activity of the oils were in the range of 13.04-5.42 mg TE g(-1) oil. All walnut oils showed Newtonian flow behavior. The nutritional indexes including UI (Unsaturation index), IA (Atherogenicity index), IT (Thrombogenicity index) and HH (Hypocholesterolemic/hypercholesterolemic ratio) were determined to significantly change according to the variety, except for IT. It could be stated from the results that Nazimiye walnut seed oil has healthier effects on human health.
AtıfOpenAlex3İncele - Yüksek Lisans TeziAçık Erişim2019Çalışanların iş tatminleri ile mesleki motivasyonları arasındaki ilişkinin sosyo-demografik özelikler açısından istatistiksel analizi: Bir kamu üniversitesi örneği
Namık Kemal Öndaş
Ülkemizde devlet ve vakıf üniversitelerinin sayısının artmasıyla birlikte, üniversiteler sundukları hizmetin kalitesini yükselterek tercih edilebilir bir konumda olmayı hedefleri arasında ön sıralara almışlardır. İnsan kaynağının bu hedefe ulaşmada en önemli faktör olması, motivasyon ve iş tatminine önem verilmesini gerektirmiştir. Bu çalışma ile Fırat Üniversitesinde çalışan idari personelin motivasyon ve iş tatmini düzeylerinin belirlenmesi amaçlanmış, demografik özelliklere göre farklılık gösterip göstermediklerini belirlemek için alt hipotezler oluşturulmuştur. Yüz yüze anket metodu uygulanarak, 228 anket formunun değerlendirmesi yapılmıştır. Kolmogorov-Smirnov Testi sonuçlarına göre ölçekler ve alt boyutları bazında değişkenlerin normal gösterdikleri belirlenmiş ve parametrik yöntemler seçilmiştir. Bu amaçla analiz bölümünde uygulanan ölçeklerin güvenirliği Cronbach Alfa güvenirlik katsayısı ile test edilmiş, tüm ölçekler ve alt boyutları için elde edilen katsayılara göre güvenilir oldukları sonucuna ulaşılmıştır. Araştırma sonucunda, çalışanların motivayon ve iş tatmini düzeyleri arasında pozitif yönlü, orta düzeyde istatiksel anlamlı bir ilişki olduğu belirlenmiştir (Balıbey M., Öndaş N.K.). Fırat Üniversitesi'nde, motivasyon ve iş tatmini düzeylerinin bilinmesinin, karar alıcı mekanizmalar tarafından önemli olacağı düşünülmektedir. Anahtar Kelimeler: İş Tatmini, Mesleki Motivasyon, Parametrik İstatistiksel Testler
- MakaleYalnız künye2019Scopus SJRQ1Earthquake Damage to Nonstructural Elements of Reinforced Concrete Buildings during 2011 Van Seismic Sequence
Yön, Burak; Onat, Onur; Öncü, Mehmet Emin
Infill and partition walls as nonstructural elements are generally constructed with hollow brick masonry and briquette as single or multilayered vertical walls. The seismic responses of infill walls and reinforced concrete (RC) framed buildings have been investigated with field observations after earthquakes all over the world. This study focuses on the reasons infill and partition walls failed as a result of the October 23, 2011 (Mw=7.2), and November 9, 2011 (Mw=5.7), Van earthquakes in Turkey. In this paper, in-plane, out-of-plane, and combined failure mechanisms of single and multilayered infill walls enclosed within reinforced concrete structures were investigated, and construction rules were suggested. To limit the failure of nonstructural elements enclosed within an RC frame, design and construction requirements should be included in the seismic code by adopting suitable solutions for both in-plane and out-of-plane behavior. This paper will be a reference for future studies that investigate infill wall damage. (c) 2019 American Society of Civil Engineers.
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