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Yıldız, Reşit

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Prof. Dr.
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ryildiz80@gmail.com, resityildiz@artuklu.edu.tr
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Department of Nutrition and Dietetics/ Beslenme ve Diyetetik Bölümü
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Scholarly Output

45

Articles

33

Citation Count

801

Supervised Theses

2

Scholarly Output Search Results

Now showing 1 - 10 of 44
  • Article
    Adsorption and inhibition effect of 2,4-diamino-6-hydroxypyrimidine for mild steel corrosion in HCl medium: experimental and theoretical investigation, Ionics
    (Ionics, 2019) Yıldız, Reşit; Yıldız, Reşit; Department of Nutrition and Dietetics/ Beslenme ve Diyetetik Bölümü
    2,4-Diamino-6-hydroxypyrimidine (2D6H) was examined as corrosion inhibitor of mild steel (MS) in 0.1 M HCl using potentiodynamic measurements, linear polarization resistance (LPR), scanning electron microscopy, electrochemical experiments, and quantum chemical calculations. All measurements show that the corrosion inhibition effectiveness is forthright compared to the concentration of 2D6H ranging from 0.5 to 10.0 mM. Adsorption of 2D6H on the MS surface in the presence of HCl is determined to obey Langmuir adsorption isotherm. The electronic features elucidated by quantum chemical calculations were associated with the experimental inhibition productivities. The mechanism of inhibition was revealed by Epzc measurements.
  • Article
    Citation - WoS: 14
    Citation - Scopus: 16
    Protection of Mild Steel From Corrosion in Hcl Solution Via Green Rumex Acetosella Extract: Experimental and Theoretical Studies
    (Elsevier, 2024) Arslanhan, Selim; Sigircik, Gokmen; Yildiz, Resit; Baran, Mehmet Firat; Yıldız, Reşit; Baran, Mehmet Fırat; Department of Nutrition and Dietetics/ Beslenme ve Diyetetik Bölümü; Department of Medical Services and Techniques / Tıbbi Hizmetler ve Teknikleri Bölümü
    The efficiency and potential of green Rumex acetosella extract (RAE) RAE ) on the inhibition of the mild steel (MS) corrosion were investigated in the acidic environment. The high inhibitive capability of RAE on the mild steel was studied by electrochemical impedance spectroscopy (EIS) and linear polarization resistance (LPR) techniques. In addition, potentiodynamic (PD) polarization measurements were carried out to examine corrosion mechanism. The achieved electrochemical tests showed that RAE has a significant inhibition effect on mild steel corrosion. The results of surface analysis recorded by scanning electron microscopy (SEM), and atomic force microscopy (AFM) depicted that RAE provide strong protective layer on the steel surface via adsorptive groups. The inhibition efficiency was calculated as 99.7 %, and 99.6 % from LPR and EIS after 120 h exposure time. Adsorption free energy ( Delta G oads ) value is found as-29.79 kJ mol-1,- 1 , indicating that both physical and chemical adsorptions occur. Furthermore, the obtained experimental findings were supported with quantum chemical calculation results.
  • Article
    The Study of 2, 4-Diamino-6-methly-1, 3, 5-triazine on the Corrosion Inhibition of Mild Steel in The Hydrochloric Acid Medium: Integrated Theoretical and Experimental Investigations
    (Bingol University, 2023) Yıldız, Reşit; Yıldız, Reşit; Department of Nutrition and Dietetics/ Beslenme ve Diyetetik Bölümü
    The aim of this study is the investigation of adsorption and corrosion behaviors of 2,4-Diamino-6-methly-1,3,5-triazine (2-DMT) on mild steel (MS) in 0.5 M HCI solution using many experimental and theoretical studies such as potentiodynamic polarization, electrochemical impedance spectroscopy (EIS), linear polarization resistance (LPR), adsorption isotherm, potential of zero charge (PZC), scanning electron (SEM), atomic force microscopies (AFM) and quantum chemical calculations. The results showed that 2-DMT has an outstanding anti-corrosion performance of 94.6% at an optimum concentration of 10 mM and the MS surface, which was exposed to the inhibited solution at 298 K, does not contain pits, cracks or deformations. Values of icorr are found to be 0.51, 0.22, 0.098, 0.072 and 0.039 mA cm-2 for blank solution and each concentration of 2-DMT. Hydrogen volumes are 90 and 4.6 mL cm-2 for blank solution and the existence of 10.0 mM 2-DMT, respectively. The observed adsorption is much more consistent with Langmuir. The high performance is explained by the effective adsorbing of organic matter to the MS surface. HOMO, LUMO energies and the energy gap (∆E) are -7.1980, -1.9959 and 5.2021 eV, respectively. Accordingly, it is suggested that this organic compound can be used in the industrial acid cleaning procedure.
  • Article
    Citation - WoS: 4
    Citation - Scopus: 4
    Evaluation of Extra Virgin Olive Oil Compounds Using Computational Methods: in Vitro, Admet, Dft, Molecular Docking and Human Gene Network Analysis Study
    (Bmc, 2025) Unsal, Velid; Yildiz, Resit; Korkmaz, Aziz; Mert, Basak Dogru; Caliskan, Cemile Gunbegi; Oner, Erkan; Yıldız, Reşit; Unsal, Velid; Korkmaz, Aziz; Günbegi Çalışkan, Cemile; Department of Nutrition and Dietetics/ Beslenme ve Diyetetik Bölümü; Department of Medical Services and Techniques / Tıbbi Hizmetler ve Teknikleri Bölümü
    This study investigates the phenolic compounds (PC), volatile compounds (VC), and fatty acids (FA) of extra virgin olive oil (EVOO) derived from the Turkish olive variety "Sar & imath; Ulak", along with ADMET, DFT, molecular docking, and gene network analyses of significant molecules identified within the EVOO. Chromatographic methods (GC-FID, HPLC) were employed to characterize FA, PC, and VC profiles, while quality parameters, antioxidant activities (TAC, ABTS, DPPH) were assessed via spectrophotometry. The analysis revealed a complex composition of 40 volatile compounds, with estragole, 7-hydroxyheptene-1, and 3-methoxycinnamaldehyde as the primary components. Hydroxytyrosol, tyrosol, oleuropein, apigenin, ferulic acid, and vanillic acid emerged as main phenolic constituents, with hydroxytyrosol and apigenin exhibiting high bioavailability. Molecular docking highlighted oleuropein and pinoresinol as compounds with strong binding affinities, though only hydroxytyrosol, apigenin, and pinoresinol fully met Lipinski and other drug-likeness criteria. DFT analysis showed that oleuropein and pinoresinol have notable dipole moments, reflecting polar and asymmetrical structures. KEGG enrichment analysis further linked key molecules like oleuropein and apigenin with pathways related to lipid metabolism and atherosclerosis, underscoring their potential bioactivity and relevance in health-related applications.
  • Presentation
    Sodyum Dietil Ditikarbamat Trihidrat (SDTT)’ın İnhibitör Olarak Asidik Ortamda Yumuşak Çelik Korozyonuna Elektrokimyasal Davranışının İncelenmesi
    (14th International Corrosion Symposium, 2016) Sarı, Ayşen; Yıldız, Reşit; Dehri, İlyas; Yıldız, Reşit; Department of Nutrition and Dietetics/ Beslenme ve Diyetetik Bölümü
  • Article
    Sultan ve Aşiret: Kürt Aşiret (Reislerinin) II. Abdülhamid’i Ziyareti
    (Mardin Artuklu Üniversitesi, 2019) Özcoşar, İbrahim; Ertekin, Abdusselam; Yıldız, Reşit; Özcoşar, İbrahim; Department of Nutrition and Dietetics/ Beslenme ve Diyetetik Bölümü; Department of History / Tarih Bölümü
    Bu çalışmada Osmanlı sultanları ile Kürt aşiretler arasındaki ilişki ağı, II. Abdülhamid ve Hamidiye Alaylarının kuruluşu çerçevesinde onu ziyaret eden Kürt aşiretleri bağlamında değerlendirilecektir. Sultan II. Abdülhamid ile aşiret reislerinin ilişkileri İttihad-ı İslam politikası çerçevesinde olmuştur. Bu politika çerçevesinde aşiret reislerinin İstanbul’a Sultanı ziyaretlerinin aşamalarını ve İstanbul’daki faaliyetleri ele alınacaktır. Makalede temel sorunsalımız İttihad-ı İslam politikası gereği bu ilişki ağının dinamiklerini ortaya koymaktır.
  • Presentation
    0.5 M HCL çözeltisi içerisinde yumuşak çelik yüzeyine 4,6-diamino-2-Hydroxy-1,3,5-Triazın’in adsorpsiyonu ve antikorozyon davranışı
    (2018) Yıldız, Reşit; Doğru Mert, Başak; Dehri, İlyas; Yazıcı, Birgül; Yıldız, Reşit; Doğru Mert, Başak; Department of Nutrition and Dietetics/ Beslenme ve Diyetetik Bölümü; Department of Nursing / Hemşirelik Bölümü
    : 0,5 M HCl çözelti içerisinde yumuşak çeliğin (YÇ) korozyon davranışı üzerine 4,6-diamino-2-hydroxy-1,3,5-triazine’in (DHT) etkisi lineer polarizasyon, potansiyodinamik polarizasyon ve elektrokimyasal impedans spektroskopisi yöntemleri ile araştırılmıştır. Polarizasyon eğrileri, incelenen molekülün karma inhibitör olarak davrandığını göstermiştir. YÇ nin yüzey morfolojisi inhibitörlü ve inhibitörsüz ortamda 1 saat sonunda taramalı elektron mikroskopi (SEM) ile incelenmiştir. DHT, YÇ’nin 0.5 M HCl'deki korozyonunu iyi bir şekilde inhibe etmiştir ve DHT konsantrasyonu arttıkça inhibisyon etkinliğide artmıştır.
  • Article
    BÎBLIYOGRAFYAYA TEZÊN MASTER Û DOKTORAYÊ YÊN BEŞÊN ZIMAN Û EDEBIYATA KURDÎ Û ZIMAN Û ÇANDA KURDÎ (2011-2020)
    (Van Yüzüncü Yıl Üniversitesi, 2021) Yıldırımçakar, Ziyattin; Yıldız, Reşit; Yıldırımçakar, Ziyattin; Department of Nutrition and Dietetics/ Beslenme ve Diyetetik Bölümü; Kurdish Language and Culture Programme / Kürt Dili ve Kültürü Programı
    Ev gotar li ser tezên master û doktorayê ye ku di nav- bera salên 2012 û 2020an de, di beşên Ziman û Edebiya- ta Kurdî û Ziman û Çanda Kurdî de yên li Zanîngehên Tir- kiyeyê hatine amadekirin. Armanca me ji bo nivîsandina vê xebatê ew e ku em bîbliyografyayekê li ser van tezan amade bikin û li gorî biwaran wan rêz bikin ku kesên dixwazin ji wan îstîfade bikin bi rihetî xwe bigihîninê. Herçiqas bîbliyografyaya tezên heta sala 2018an berê hatibû çêkirin jî, me guncan dît ku piştî tezên doktorayê û gelek tezên masterê ên van herdu salên dawî, em xebateke din çêbikin. Me di vê gotarê de cih da tezên kurmancî, zazakî û çend hebên soranî û ew beş bi beş kategorîze kirin.
  • Article
    Theoretical and Experimental Investigations on Corrosion Control of Mild Steel in Hydrochloric Acid Solution by 4-aminothiophenol
    (Anti-Corrosion Methods and Materials, 2019) Yıldız, Reşit; Doğru Mert, Başak; Yıldız, Reşit; Doğru Mert, Başak; Department of Nutrition and Dietetics/ Beslenme ve Diyetetik Bölümü; Department of Nursing / Hemşirelik Bölümü
    Purpose – This paper aims to study inhibitory effect of 4-aminothiophenol on the corrosion of mild steel (MS) in 0.5 M HCl. Design/methodology/approach – In this study, electrochemical experiments, quantum chemical calculations, potentiodynamic measurements, linear polarization resistance and scanning electron microscopy were used. Findings – The experimental results suggest that this compound is efficient corrosion inhibitor and the inhibition efficiencies increase with increasing their (from 0.5 to 10.0 mM.) concentrations. This reveals that inhibitive actions of inhibitors were mainly due to adsorption on mild steel surface. The adsorption of these inhibitors was found to obey Langmuir adsorption model. The computed quantum chemical features show good correlation with empirical inhibition efficiencies. Originality/value – The 4-aminothiophenol is suitable inhibitor for application in closed-circuit systems against corrosion. The study is original and has great impact in industrial area. The obtained theoretical results have been adapted with the experimental data.
  • Article
    Citation - WoS: 11
    Citation - Scopus: 14
    Electrocatalysis property of CuZn electrode with Pt and Ru decoration
    (International Journal of Hydrogen Energy, 2021) Toprak Döşlü, Serap; Döner, Ali; Yıldız, Reşit; Yıldız, Reşit; Toprak Döşlü, Serap; Department of Nutrition and Dietetics/ Beslenme ve Diyetetik Bölümü
    Electrocatalysis properties strongly depend on the interaction of metallic particles and this interaction enables to change the electronic structure of alloys which enhances the catalytic activity. This property is the key factor in the developing of cost-effective and efficient Hydrogen Evolution Reaction (HER) electrocatalysts for sustainable hydrogen production. In this study, novel electrocatalysts which are decorated with Pt and Ru have been developed for HER electrocatalysis. Microscopic analysis such as scanning electron microscopy (SEM), energy dispersive X-ray (EDX), X-ray diffraction (XRD) and atomic force microscopy (AFM) are performed to determine the morphological and compositional structures. Electrocatalysis properties are evaluated by cathodic current-potential curves, electrochemical impedance spectroscopy (EIS) and cyclic voltammetry (CV) in 1.0 M KOH solution. Chronoamperometry (CA) and cycle tests are used for stability/durability of electrocatalysts. Results show that a small onset potential of the porous Cu/Ni/CuZn–Pt is obtained for HER. Exchange current density and polarization resistance are found to be 5.39 mA cm−2 and 2.0 Ω cm2 at overpotential of −100 mV for porous Cu/Ni/CuZn–Pt, respectively, indicating that Cu/Ni/CuZn–Pt is higher electrocatalytic properties than the others. Moreover, very low overpotentials at 10 and 40 mA cm−2 are obtained on porous Cu/Ni/CuZn–Pt compared with porous Cu/Ni/CuZn–Ru and Cu/Ni/CuZn. Porous Cu/Ni/CuZn–Pt also displays excellent stability/durability in test solution. The remarkable electrocatalysis properties of porous Cu/Ni/CuZn–Pt can be explained due to high porous structure, leaching of Zn from the deposit, intrinsic activity of Pt as well as changing in the electronic structure. It should be considered that porous Cu/Ni/CuZn–Pt is of high corrosion resistance in test solution for 120 h, which makes it good candidate for HER.