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Microporous vanadosilicate films with tailorable V4+/V5+ ratio to achieve enhanced visible-light photocatalysis Kuzyaka, Duygu; Uzun, Ceren; Yıldız, İlker; Kaya, Murat; Akata Kurç, Burcu (2021-08-01) © 2021 Elsevier Inc.This study investigates the changes induced into the photocatalytic activity under solar light irradiation upon changing the structural film properties and tailor the concentration of defects in micropo...
The Site Preferences of Transition Elements and Their Synergistic Effects on the Bonding Strengthening and Structural Stability of gamma '-Ni3Al Precipitates in Ni-Based Superalloys: A First-Principles Investigation Eriş, Rasim; Akdeniz, Mahmut Vedat; Mehrabov, Amdulla (2021-04-01) Advanced mechanical properties of Ni-based superalloys strongly depend on the site preferences of alloying X elements in gamma '-Ni3Al-X precipitates, which are associated with the partial bonding characteristics between N...
Evaluation of methylation profiles of an epidermal growth factor receptor gene in a head and neck squamous cell carcinoma patient group Mutlu, M.; Mutlu, Pelin; Azarkan, S.; Baylr, Ö.; Öcal, B.; Saylam, G.; KORKMAZ, MEHMET HAKAN (2021-03-23) © 2020 Mutlu M, Mutlu P, Azarkan S, Baylr Ö, Öcal B, Saylam G, Korkmaz MH, published by Sciendo 2020.Upregulation of the epidermal growth factor receptor (EGFR) gene has shown an important impact on the development of head...
Improvement of electrical characteristics of SnSe/Si heterostructure by integration of Si nanowires Coskun, E.; Güllü, Hasan Hüseyin; Emir, C.; Parlak, M. (2021-03-01) In this study, the effects of the nanowire geometry on Si wafer substrate were investigated for the SnSe/Si-nanowire heterojunction device and the obtained results were compared with the one fabricated on planar Si surface...
Development of three-enzyme lactose amperometric biosensor modified by nanosized poly (meta-phenylenediamine) film Pyeshkova, V.M.; Dudchenko, O.Y.; Soldatkin, O.O.; Alekseev, S.A.; Şeker, Tamay; Kurc, B. Akata; Dzyadevych, S.V. (2021-01-01) © 2021, King Abdulaziz City for Science and Technology.New three-enzyme lactose amperometric biosensor based on platinum disc electrode modified by nanosized semipermeable poly (meta-phenylenediamine) film was developed in...
Ultrasonication for Environmentally Friendly Preparation of Antimicrobial and Catalytically Active Nanocomposites of Cellulosic Textiles Kwiczak-Yigitbasi, Joanna; Demir, Mine; Ahan, Recep Erdem; Canlı, Sedat; ŞEKER, URARTU ÖZGÜR ŞAFAK; BAYTEKİN, BİLGE (2020-12-01) The global demand for sustainable and functional fibers and textile materials is increasing with the pressure to limit the synthetic petroleum-based counterparts. In this study, we use ultrasonication for the preparation o...
Granitik Buzul Çakıllarında Zirkon Tipolojisi Çalışması: Toridler’den Örnek Bir Çalışma (Türkiye) Köksal, Serhat (2020-11-01) Gondwana’nın kuzey kenarına ait Geç Ordovisiyen buzul kayaçlarına, Torid’lerde ve Güneydoğu Anadolu Otokton Kuşağı’nda rastlanmaktadır. Bu çalışmada; Doğu Toridler’de Feke-Saimbeyli-Ceralan (Adana) (DPK-30), Feke-Gökmenler...
Optical and Nanomechanical Properties of Ga(2)Se(3)Single Crystals and Thin Films IŞIK, MEHMET; Emir, Cansu; Güllü, Hasan Hüseyin; Hasanlı, Nızamı (Springer Science and Business Media LLC, 2020-10-01) The optical and nanomechanical properties of Ga(2)Se(3)single crystals and thin films were investigated using reflection, transmission, and nanoindentation measurements. The reflection spectrum recorded in the 525- to 1100...
First-principles studies of Tin+1SiN(n) (n=1, 2, 3) MAX phase Surucu, Gokhan; Güllü, Hasan Hüseyin; CANDAN, ABDULLAH; YILDIZ, BUĞRA; Erkisi, Aytac (Informa UK Limited, 2020-09-01) In this study, the structural, electronic, mechanical, lattice dynamical and thermodynamic characteristics of ( 1, 2 and 3) phase compounds were investigated using the first principle calculations. These ternary nitride co...
Real-time gas monitoring at the Tekke Hamam geothermal field (Western Anatolia, Turkey): an assessment in relation to local seismicity Süer, Selin; Wiersberg, Thomas; Güleç, Nilgün Türkan; Erzinger, Joerg; Parlaktuna, Mahmut (Springer Science and Business Media LLC, 2020-08-01) This study presents the results of a real-time gas monitoring experiment conducted, via the use of a quadrupole mass spectrometer, in a mofette field within the Tekke Hamam geothermal site in western Anatolia (Turkey), a t...
Material and Si-based diode analyses of sputtered ZnTe thin films Güllü, Hasan Hüseyin; Surucu, O. Bayrakli; Isik, M.; Terlemezoglu, M.; Parlak, M. (Springer Science and Business Media LLC, 2020-07-01) Structural, optical, and electrical properties ZnTe thin films grown by magnetron sputtering technique were studied by X-ray diffraction, atomic force microscopy, Raman spectroscopy, and electrical conductivity measurement...
Investigation of structural, electronic, magnetic and lattice dynamical properties for XCoBi (X: Ti, Zr, Hf) Half-Heusler compounds Surucu, Gokhan; IŞIK, MEHMET; CANDAN, ABDULLAH; Wang, Xiaotian; Güllü, Hasan Hüseyin (Elsevier BV, 2020-06-15) Structural, electronic, magnetic, mechanical and lattice dynamical properties of XCoBi (X: Ti, Zr, Hf) Half-Heusler compounds have been investigated according to density functional theory and generalized gradient approxima...
3D Printed Hydrogel Multiassay Platforms for Robust Generation of Engineered Contractile Tissues Christensen, Rie Kjaer; Laier, Christoffer von Halling; Kızıltay, Aysel; Wilson, Sandra; Larsen, Niels Bent (American Chemical Society (ACS), 2020-02-01) We present a method for reproducible manufacture of multiassay platforms with tunable mechanical properties for muscle tissue strip analysis. The platforms result from stereolithographic 3D printing of low protein-binding ...
Determination of current transport characteristics in Au-Cu/CuO/n-Si Schottky diodes Surucu, O. Bayrakli; Güllü, Hasan Hüseyin; Terlemezoglu, M.; Yildiz, D. E.; Parlak, M. (Elsevier BV, 2019-10-01) In this study, the material properties of CuO thin films fabricated by sputtering technique and electrical properties of CuO/n-Si structure were reported. Temperature-dependent current-voltage (I-V) measurement was carried...
Mechanistic Insights into the Reaction of N-Propargylated Pyrrole- and Indole-Carbaldehyde with Ammonia, Alkyl Amines, and Branched Amines: A Synthetic and Theoretical Investigation Sari, Ozlem; Seybek, Ali Fatih; Kaya, Serap; Menges, Nurettin; ERDEM, SAFİYE; BALCI, METİN (Wiley, 2019-09-01) The reaction of pyrrole- and indole-carbaldehydes having a propargyl group attached to the nitrogen atom with various amines was studied. The reaction with ammonia formed pyrrolo[1,2-a]pyrazine and pyrazino[1,2-a]indole wh...
Deposition and Characterization of ZnSnSe2 Thin-Films Deposited by Using Sintered Stoichiometric Powder Bayrakli Surucu, Ozge; Güllü, Hasan Hüseyin (2019-09-01) In this work, ZnSnSe2 (ZTSe) thin films were deposited using crystalline powder grown by vertical Bridgman-Stockbarger technique. The deposition process was carried out by means of e-beam evaporation on the well-cleaned so...
Atomic size effect of alloying elements on the formation, evolution and strengthening of gamma'-Ni3Al precipitates in Ni-based superalloys Eriş, Rasim; Akdeniz, Mahmut Vedat; Mehrabov, Amdulla (2019-06-01) Mechanical properties of Ni-based superalloys strongly depend on phase and site preferences of alloying elements which influence bonding strength within gamma'-Ni3Al precipitates and microstructural characteristics of thes...
The Upper Cretaceous intrusive rocks with extensive crustal contribution in Hacimahmutusagi Area (Aksaray/Turkey) Köksal, Serhat (Central Library of the Slovak Academy of Sciences, 2019-06-01) The Hacimahmutusagi area (Aksaray/Turkey) is located in the western part of the Central Anatolian Crystalline Complex (CACC). Gneiss and marble compose the basement units, while intrusive rocks are gabbros and granitoids. ...
Recovery of Scandium by Crystallization Techniques Peters, Edward Michael; Kaya, Serap; Dittrich, Carsten; Forsberg, Kerstin (2019-03-01) Bauxite residues, i.e., red mud, can be processed to recover various valuable end products, while reducing the environmental impact of the waste. Scandium is one of the valuable elements in bauxite residues. It is possible...
Frequency Dependent Dielectric Properties of ZnSe/p-Si Diode Güllü, Hasan Hüseyin; YILDIZ, DİLBER ESRA (2019-03-01) The study on electrical and dielectric properties of the ZnSe/p-Si diode have been investigated using admittance measurements in the frequency range of 50 kHz - 1 MHz at room temperature. The experimental values of dielect...

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