Yazar "Aktürk, Selçuk" için listeleme
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Antimicrobial and antibiofilm activity of polyurethane/Hypericum perforatum extract (PHPE) composite
Nazlı, Okay; Baygar, Tuba; Dönmez, Çigdem Elif Demirci; Dere, Özcan; Uysal, Ali İhsan; Aksözeke, Alper; Aktürk, Selçuk (Academic Press Inc Elsevier Science, 2019)Microbial accumulation in materials used in sectors such as medical, textile and food can lead to serious diseases, infections and uncontrollable problems. Many of the materials used in the above-mentioned industries have ... -
Comparative Heating Efficiency of Cobalt-, Manganese-, and Nickel-Ferrite Nanoparticles for a Hyperthermia Agent in Biomedicines
Dönmez, Ciğdem E Demirci; Manna, Palash K; Nickel, Rachel; Aktürk, Selçuk; van Lierop, Johan (Amer Chemical Soc, 2019)In this study, the ac magnetic hyperthermia responses of spinel CoFe2O4, MnFe2O4, and NiFe2O4 nanoparticles of comparable sizes (similar to 20 nm) were investigated to evaluate their feasibility of use in magnetic hyperthermia. ... -
A comparison of the magnetism of cobalt-, manganese-, and nickel-ferrite nanoparticles
Demirci, Çiğdem Elif; Manna, P. K.; Wroczynskyj, Y.; Aktürk, Selçuk; van Lierop, J. (Iop Publishing Ltd, 2018)The microstructure, composition and magnetism of CoFe2O4, MnFe2O4 and NiFe2O4 nanoparticles of comparable sizes (similar to 20 nm) and interparticle spacings (similar to 20 nm) have been characterized from 10 to 400 K. The ... -
The Effects of Structural, Thermal, and Magnetic Properties of Hexylbenzene-Doped MgB2 Superconductor
Ağıl, Hasan; Aksu, Erhan; Aktürk, Selçuk; Gençer, Ali (Springer, 2017)The effects of the amount of hexylbenzene additive (C12H18) on the structural, thermal, and magnetic properties of MgB2 superconductor are examined in this study. Pure and hexylbenzene-doped MgB2 bulk samples were produced ... -
Extended investigation of intermartensitic transitions in Ni-Mn-Ga magnetic shape memory alloys: A detailed phase diagram determination
Çakır, Aslı; Righi, Lara; Albertini, Franca; Acet, Mehmet; Farle, Michael; Aktürk, Selçuk (Amer Inst Physics, 2013)Martensitic transitions in shape memory Ni-Mn-Ga Heusler alloys take place between a high temperature austenite and a low temperature martensite phase. However, intermartensitic transformations have also been encountered ... -
High magnetic entropy change in La0.70Ca0.21Ag0.09MnO3 compound
Coşkun, Atilla; Taşarkuyu, Ergün; Irmak, Ali Ekber; Aktürk, Selçuk (Elsevier Science Sa, 2016)In this work, the structural, electrical, magnetic and magneto-caloric properties of the La0.70Ca0.21Ag0.09MnO3 compound were investigated. The compound was prepared by the sol gel method and sintered at 1000 degrees C for ... -
In vitro biocompatibility of plasma-aided surface-modified 316L stainless steel for intracoronary stents
Bayram, Cem; Mızrak, Alpay Koray; Aktürk, Selçuk; Kursaklioglu, Hurkan; Iyisoy, Atila; Ifran, Ahmet; Denkbas, Emir Baki (Iop Publishing Ltd, 2010)316L-type stainless steel is a raw material mostly used for manufacturing metallic coronary stents. The purpose of this study was to examine the chemical, wettability, cytotoxic and haemocompatibility properties of 316L ... -
Indirect dating of an olive tree planting event using luminescence of the sediments lying beneath the roots of the tree: a pilot study in the south-western part of Anatolia, Turkey
Şahiner, Eren; Polymeris, Georgies S.; Atlihan, M.Altay; Aktürk, Selçuk; Meriç, Niyazi (John Wiley and Sons Ltd, 2020)The aim of the present study is to attempt assessing the age of a monumental olive tree located between the Antique Cities of Militus (Didim-Aydın region) and Iasos (Milas-Muğla region). Wood from the trunk of an olive ... -
Investigation of Thermal Properties of PUF/colored Organoclay Nanocomposites
Gurses, A.; Dogar, C.; Koktepe, S.; Mindivan, F.; Gunes, K.; Aktürk, Selçuk (Polish Acad Sciences Inst Physics, 2015)Recently PF resins can be also prepared by the addition of urea because urea accelerates cure process of PF resin, reduces the cost and improves its strength performance. Clays have long been used as inorganic fillers in ... -
Lanthanum ion substituted cobalt ferrite nanoparticles and their hyperthermia efficiency
Demirci, Çiğdem Elif; Manna, P. K.; Wroczynskyj, Y.; Aktürk, Selçuk; van Lierop, J. (Elsevier Science Bv, 2018)We investigated the structural, compositional, and magnetic properties as well as the AC magnetic hyperthermic response of CoFe2-xLaxO4 (x = 0.0; 0.2; 0.5) nanoparticles. We found that the La3+ ions substituted into the ... -
Magnetic and Magnetocaloric Properties of High-Energy Ball-Milled Nanocrystalline CeMn2Ge2 Compound
Kaya, Melike; Dinçer, İlker; Aktürk, Selçuk; Elerman, Yalçın (Springer, 2016)CeMn2Ge2 nanopowders have been obtained by high-energy ball milling for 5 and 10 hours from bulk compound to investigate the effect of milling time on magnetic and magnetocaloric properties. CeMn2Ge2 nanopowders have been ... -
N-Acetylglucoseamine modified alginate sponges as scaffolds for skin tissue engineering
Demirbilek, Murat; Türkoğlu Laçin, Nelisa; Aktürk, Selçuk (Tubitak Scientific & Technical Research Council Turkey, 2017)In the treatment of dermal wounds, wound-dressing materials prepared from natural mucopolysaccharides are widely used because of their advantages such as nonirritation, nontoxicity, and ease in topical application. In the ... -
Phase formation characteristics and magnetic properties of bulk Ni2MnGe Heusler alloy
Adem, U.; Dincer, I.; Aktürk, Selçuk; Acet, M.; Elerman, Y. (Elsevier Science Sa, 2015)We have systemically studied the effects of annealing temperature and alloy composition on the structural and magnetic properties of bulk Ni2MnGe and Ni2.1Mn0.9Ge Heusler alloys. We have observed that both annealing ... -
Phase variation and mechanical properties of waste calcium carbonate to substitute quartz in composite slab production
Baş, Sedanur; Güler, Taki; Özer, Ali; Aktürk, Selçuk (John Wiley and Sons Inc, 2023)Owing to the fast-emerging nature and rapid advancements in the construction industry, huge volumes of marble dust (MD) are generated as reject during slab cutting in marble processing, causing significant environmental ... -
Piezoelectric and magnetoelectric evaluations on PVDF/CoFe2O4 based flexible nanogenerators for energy harvesting applications
Koç, Muhterem; Demirci Dönmez, Çiğdem Elif; Paralı, Levent; Sarı, Ali; Aktürk, Selçuk (SPRINGER, 2022)In this study, flexible PVDF/CoFe2O4 based nanogenerators were fabricated using composite fibers which were prepared by combining polyvinylidene difluoride (PVDF) and cobalt ferrite (CoFe2O4) nanoparticles (NPs: similar ... -
Piezoelectric and magnetoelectric properties of PVDF/NiFe2O4 based electrospun nanofibers for flexible piezoelectric nanogenerators
Paralı, Levent; Demirci Dönmez, Çiğdem Elif; Koç, Muhterem; Aktürk, Selçuk (ELSEVIER, 2022)In this study, flexible piezoelectric nanogenerators (PNGs) were fabricated using the composite fibers which were prepared by combining polyvinylidene difluoride (PVDF) and nickel ferrite (NiFe2O4) nanoparticles (NPs) at ... -
A practical and effective strategy for the thin and uniform carbon layer onto LiCoPO4 cathode surface in terms of the rate capability and cycle stability
Örnek, Ahmet; Yeşildağ, Ali; Can, Mustafa; Aktürk, Selçuk (Pergamon-Elsevier Science Ltd, 2016)Nanoscale pure LiCoPO4 and LiCoPO4/C materials were successfully synthesized as excellent quality cathode materials for high-voltage and high energy density lithium-ion applications. These materials are simply produced by ... -
Preparation and Characterization of Urea/Formaldehyde/Rosa Canina sp. Seeds Composites
Gurses, A.; Karagoz, S.; Mindivan, F.; Gunes, K.; Dogar, C.; Aktürk, Selçuk (Polish Acad Sciences Inst Physics, 2014)Urea-formaldehyde (UF) resin which is one of the most important wood adhesives is a polymeric condensation product of the chemical reaction of formaldehyde with urea, and considered as the most important type of adhesive ... -
Structural, Electrical, and Magnetic Properties of High-Temperature-Sintered La1-xNaxMnO3 (0.05 <= x <= 0.35) Compounds
Irmak, Ali Ekber; Taşarkuyu, Ergün; Coşkun, Atilla; Aktürk, Selçuk; Dikmen, Z.; Orhun, O. (Springer, 2015)The structural, electric, and magnetic properties of La1-xNaxMnO3 (0.05 <= x <= 0.35) compounds have been investigated. The compounds were prepared by a standard sol-gel method then sintered at 1400 degrees C for 24 h. The ... -
The Structural, Magnetic, and Magnetocaloric Properties of La1-x Ag (x) MnO (3) (0.05 a parts per thousand currency sign x a parts per thousand currency sign 0.25)
Coşkun, Atilla; Taşarkuyu, Ergün; Irmak, Ali Ekber; Aktürk, Selçuk; Ekicibil, A. (Springer, 2016)We have investigated structural, magnetic, and magnetocaloric properties of monovalent Ag-doped La1-x Ag (x) MnO3 (0.05 a parts per thousand currency sign x a parts per thousand currency sign 0.25) compounds. The materials ...