Yazar "TAÜ, Fen Fakültesi, Malzeme Bilimi ve Teknolojileri Bölümü" için listeleme
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3D coffee stain
Doğru, Itır Bakış; Söz, Çağla; Press, Daniel Aaron; Melikov, Rustamzhon; Begar, Efe; Çonkar, Deniz; Fırat Karalar, Elif Nur; Yılgör, Emel; Yılgör, İskender (Royal Society of Chemistry, 2017)When a liquid droplet (e.g., coffee, wine, etc.) is splattered on a surface, the droplet dries in a ring-shaped stain. This widely observed pattern in everyday life occurs due to the phenomenon known as a coffee stain (or ... -
Active sites and their individual turnover frequencies for ethylene hydrogenation on reduced graphene aerogel
Kurtoğlu-Öztulum, Samira Fatma; Yalçın, Kaan; Saraç Öztun, F. Eylül; Kanat, Gizem Hasibe; Ünal, Uğur; Uzun, Alper (American Chemical Society, 2024)Graphene aerogel (GA) was reduced at various temperatures to prepare a series of reduced graphene aerogels (rGAs) with different surface characteristics. Detailed characterization demonstrated that an increase in the thermal ... -
Adapting engineering education to Industry 4.0 vision
Coşkun, Selim; Kayıkcı, Yaşanur; Gençay, Eray (Mdpi, 2019)Industry 4.0 is originally a future vision described in the high-tech strategy of the German government that is conceived upon information and communication technologies like Cyber-Physical Systems, Internet of Things, ... -
Assessment on the stable and high capacity Na-Se batteries with carbonate electrolytes
Erdöl, Zeynep; Ata, Ali; Çakan, Rezan Demir (Wiley, 2022)Factors affecting proper functioning of Na-Se system are investigated focusing on the polyselenide formation in ether- and carbonate-based electrolytes. To do so, Se cathode is prepared by ball milling with commercial ... -
Atomically dispersed zeolite-supported rhodium complex: Selective and stable catalyst for acetylene semi-hydrogenation
Kurtoğlu-Öztulum, Samira Fatma; Zhao, Yuxin; Hoffman, Adam S.; Uzun, Alper; Demircan, Oktay; Yordanli, Melisa Su; Hong, Jiyun; Perez-Aguilar, Jorge E.; Saltuk, Aylin; Akgül, Deniz; Ateşin, Tülay A.; Aviyente, Viktorya; Gates, Bruce C.; Bare, Simon R. (Elsevier, 2024)Supported rhodium catalysts are known to be unselective for semi-hydrogenation reactions. Here, by tuning the electronic structure of supported mononuclear rhodium sites determined by the metal nuclearity and the electron-donor ... -
Challenges with atomically dispersed supported metal catalysts: Controllingperformance, improving stability, and enhancing metal loading
Kurtoğlu-Öztulum, Samira Fatma; Uzun, Alper (Elsevier, 2023)Comprehensive Inorganic Chemistry III, a ten-volume reference work, is intended to cover fundamental principles, recent discoveries, and significant applications of elements and their compounds. Authored by renowned experts ... -
Characterization of site-isolated iridium atoms supported on reduced graphene aerogel at an exceptional Ir loading of 23.8 wt% with synchrotron and electron microscopy techniques
Atomically dispersed supported metal catalysts provide substantial advantages when compared to their traditional counterparts. They offer 100% dispersion of expensive noble metals, exhibit intriguing catalytic properties, ... -
A comparison of the effects of incremental and snowplow techniques on the mechanical properties of composite restorations
Ölçer, Yeşim Su; Sağır, Kadir; Erşahan, Şeyda; Üşümez, Aslıhan; Hepşenoğlu, Yelda Erdem (Australian Dental Journal, 2023)Background:Glass fibre-reinforced composite (GFRC) has the potential to enhance the mechanical properties of resin-based restorations. Nevertheless, the application technique can influence the cervical margin porosity, ... -
Development of a nonwetting coating for packaging substrate surfaces using a novel and easy to implement method
Söz, Çağla; Özomay, Zafer; Ünal, Semra; Uzun, Muhammet; Sönmez, Sinan (Walter de Gruyter, 2021)This study is about preparing different paper substrates with chemically stable hydrophobic and superhydrophobic surface coatings through spraying a mixture of poly(dimethylsiloxane) (PDMS) and inorganic particles. The ... -
Development of biomimetic hydroxyapatite containing dental restorative composites
Aydınoğlu, Aysu; Türkcan, Julide Hazal; Keleşoğlu, Ergün (Springer, 2022)The aim of the study was to evaluate the incorporation effect of biomimetic hydroxyapatite (BHA) particles on the mechanical properties of experimental dental composites. Two experimental composites were produced from the ... -
Development of biomimetic hydroxyapatite containing dental restorative composites
Aydınoğlu, Aysu; Türkcan, Julide Hazal; Keleşoğlu, Ergün; Yoruç, Afife Binnaz Hazar (Springer, 2022)The aim of the study was to evaluate the incorporation effect of biomimetic hydroxyapatite (BHA) particles on the mechanical properties of experimental dental composites. Two experimental composites were produced from the ... -
DNA groove binder and significant cytotoxic activity on human colon cancer cells: Potential of a dimeric zinc (II) phthalocyanine derivative
Batıbay, Gönül S.; Karaoğlan, Gülnur Keser; Köse, Gülşah Gümrükçü; Kazancıoğlu, Elif Özçelik; Metin, Eyüp; Kalındemirtaş, Ferdane Danışman; Kuruca, Serap Erdem; Arsu, Nergis (2023)The interaction of a multi-component system consisting of benzene-1,4-diyldimethanimine-bridged dimeric zinc-phthalocyanine groups (4OMPCZ) with calf thymus DNA (ct-DNA) was investigated using UV-Vis absorption, fluorescence ... -
Effect of repolishing on the surface roughness and color stability of air-abraded resin composites
Sağır, Kadir; Altaş, Nurcan; Aydınoğlu, Aydın; Çil, Burcu Gözeteci; Keleşoğlu, Ergün; Yoruç, Afife Binnaz Hazar (Original ArticleInternational Dental Research, 2022)Aim:Air powder polishing (APP) can cause roughness on composite surfaces, and consequently the color change that occurs over time affects the aesthetic negatively. Here, we aim to investigate the effect ... -
Effect of equal-channel angular pressing on ordering kinetics and twinning in an 18-carat AuCuAg alloy
Elibol, Çağatay; Illgen, Christian; Colas, Damien; Bohne, Benjamin; Fritsch, Sebastian; Dietrich, Dagmar (2023)The ability to modify microstructural features and the resulting properties of red gold provides an attractive potential for applications in electronics, dental devices or jewelry. In this study, the effect of severe ... -
Effect of filler content on the structure-property poly(ethylene oxide) based polyurethaneurea-silica nanocomposites
Oğuz, Oğuzhan; Şimsek, Eren; Söz, Çağla; Kasli Heinz, Özge; Yılgör, Emel; Yılgör, İskender; Menceloğlu, Yusuf Ziya (Wiley, 2017)Poly(ethylene oxide) (PEO) based polyurethaneurea‐silica nanocomposites were prepared by solution blending and characterized by Fourier Transform Infrared Spectroscopy, Scanning Electron Microscopy, Differential Scanning ... -
The effect of preceramic soldering on fracture resistance of 4-unit zirconia fixed dental prostheses
İrem, Diler Özkan; Cömert, Zekeriya Yaşar; Alpkılıç, Dilara Şeyma; Keleşoğlu, Ergün; Değer, Sabire İşler (Wiley, 2022)Purpose Preceramic soldering of zirconia may deliver better fitting restorations. However, there is not sufficient evidence regarding the influence of preceramic soldering of zirconia restorations on mechanical strength. ... -
Effect of severe plastic deformation on the precipitation kinetics and the properties of CuCoNiBe alloys
Elibol, Çağatay (Elsevier, 2022)The effect of the precipitation hardening by means of the conventional heat treatment and the combined thermomechanical treatment (i.e., equal channel angular pressing (ECAP) with subsequent aging) on the electrical ... -
Effect of soft segment molecular weight on tensile properties of poly(propylene oxide) based polyurethaneureas
Ertem, Sedef Pırıl; Yılgör, Emel; Söz, Çağla; Wilkes, Garth L.; Zhang, Mingqiang; Yılgör, İskender (Elsevier, 2012)Influence of soft segment molecular weight and hard segment content on the morphology, thermomechanical and tensile properties of homologous polyurethaneurea copolymers based on narrow molecular weight poly(propylene ... -
Effect of surface modification of colloidal silica nanoparticles on the rigid amorphous fraction and mechanical properties of amorphous polyurethane-urea-silica nanocomposites
Oğuz, Oğuzhan; Candau, Nicolas; Bernhard, Stephane H. F.; Söz, Çağla; Heinz, Özge; Stochlet, Gregory; Menceloğlu, Yusuf Z. (Wiley, 2019)Colloidal silica nanoparticles (NPs) modified with eight different silane coupling agents were incorporated into an amorphous poly(tetramethylene oxide)-based polyurethane-urea copolymer matrix at a concentration of 10 wt ...