• Temperature-dependent photoluminescence of novel Eu3+, Tb3+, and Dy3+ doped LaCa4O(BO3)3: Insights at low and room temperatures 

  Altowyan, Abeer S.; Çoban, Mustafa Burak; Kaynar, Ümit Hüseyin; Ayvacıklı, Mehmet; Hızıroğlu, Abdulkadir; Can, Nurdoğan; Hakami, Jabir Wali (Elsevier Ltd, 2024)

  This study explores the structural and optical qualities of LaCa4O(BO3)3 (LACOB) phosphors doped with Eu3+, Dy3+, and Tb3+ using a microwave-assisted sol-gel technique. It uncovers oxygen-related luminescence defects ...

• Structural and photoluminescent analysis of novel Eu3+ and Dy3+ Co-doped ZnO nanoparticles by incorporation of Li+ and K+ ions 

  Altowyan, Abeer S.; Çoban, Mustafa Burak; Kaynar, Ümit Hüseyin; Çin, Aymila Elif; Ayvacıklı, Mehmet; Hakami, Jabir; Can, Nurdoğan (Elsevier Ltd, 2024)

  In this study, we thoroughly investigate the structural and luminescent features of ZnO nanoparticles doped with Eu3+ and co-doped with Dy3+, exploring the impact of Li+ and K+ incorporation during the precipitation ...

• Hypoxic regulation of the klk4 gene in two different prostate cancer cells treated with TGF- β 

  Poyrazlı, Fatma; Okuyan, Derya; Türkoğlu, Sümeyye Aydoğan; Köçkar, Feray (Springer, 2024)

  The human kallikrein-related peptidase (KLK) family which consists of 15 members is associated with prostate cancer and other cancers. It has been reported that overexpression of KLK4 in prostate cancer correlates with ...

• Striped phase formations of alkanethiols in au(111)/graphene/sam and au(111)/sam/graphene heterolayered structures: Insights from vdw-dft calculations 

  Yortanlı, Merve; Danışman, Mehmet Fatih; Mete, Ersen (American Chemical Society, 2024)

  The heterolayered Au(111)/Graphene/Alkanethiol and Au(111)/Alkanethiol/Graphene structures have been investigated using van der Waals supplemented density functional theory (vdW-DFT) calculations considering striped phases ...

• Selagibenzophenone b and its derivatives: Selb-1, a dual topoisomerase I/II inhibitor identified through in vitro and in silico analyses 

  Dönmez, Serhat; Lapinskaite, Ringaile; Atalay, Hazal Nazlıcan; Tokay, Esra; Köçkar, Feray; Rycek, Lukas; Özbil, Mehmet; Tumer, Tuğba Boyuneğmez (American Chemical Society, 2024)

  The development of multitargeted drugs represents an innovative approach to cancer treatment, aiming to enhance drug effectiveness while minimizing side effects. Herein, we sought to elucidate the inhibitory effect of ...

• Heterocyclic-based Schiff base material designed as optochemical sensor for the sensitive detection of chlorinated solvent vapours 

  Halay, Erkan; Çapan, İnci; Çapan, Rıfat; Ay, Emriye; Açıkbaş, Yaser (Springer Science and Business Media B.V, 2024)

  Herein, a newly synthesized intermediate, piperazine-based Schif base (PBSB) gas sensor was fabricated by the Schif base condensation of amino functionalized methylpiperazine with aromatic aldehyde containing nitro ...

• Paraoxonase 1 activity and phenotype distribution in lumbar disc herniation patients 

  Adilay, Hüseyin Utku; Gençer, Nahit; Çıkrıkçı, Kübra; Sarı, Muhammed Fatih; Abdallah, Emad Adden; Güçlü, Bülent (Turkish Neurosurgical Society, 2024)

  AIM: To compare the Paraoxonase 1 (PON1) activity and phenotype distribution between lumbar disc herniation (LDH) patients and healthy individuals. MATERIAL and METHODS: This research included 40 LDH patients and 42 healthy ...

• Hydrothermal fluid circulation within the restless structural frame of Hasandag volcanic system (Central Anatolia, Turkiye) inferred from Self-potential, CO2, and temperature measurements 

  Diker, Caner; Ulusoy, İnan; Akkaş, Efe; Şen, Erdal; Aydın, Eda; Gümüş, Erdal; Erkut, Volkan; Çubukçu, Hüseyin Evren (Elsevier, 2024)

  Hasandağ is an active composite volcanic system located in the Central Anatolian Volcanic Province (CAVP). A comprehensive field survey was conducted to reveal the hydrothermal activity within the Hasandağ volcanic system, ...

• Production, characterization, and hydrogen storage properties of activated carbon from horse chestnut shell 

  Türkyılmaz, Aydın; Işınkaralar, Kaan; Doğan, Mehmet; Kızılduman, Berna Koçer; Biçil, Zeynep (Elsevier B.V., 2024)

  the demand for using renewable energy is increasing daily. Therefore, research on hydrogen storage, the biggest problem in using hydrogen energy, is significant. In this concept, a surface area of 2270 m 2 /g obtained ...

• Lattice distortion effects induced by Li plus co-doping on ZnO:Tb3+phosphors: Photoluminescence and unusual hypersensitive 5D4 → 7F0 transition 

  Altowyan, Abeer S.; Çoban, Mustafa Burak; Kaynar, Ümit Hüseyin; Hakami, Jabir; Çin, E. Aymila; Kaynar, Sermin Çam; Ayvacıklı, Mehmet; Can, Nurdoğan (Elsevier Sci, 2024)

  A series of Tb3+, Li+ co-doped ZnO phosphors were prepared using a precipitation method. X-ray diffraction (XRD) analysis indicated the successful incorporation of Tb3+ into the ZnO lattice. The influence of Tb3+ doping ...

• Integrating K plus into Eu and Tb doped GdCa 4O(BO3)3: A dual study on photoluminescence and structure 

  Altowyan, Abeer S.; Kaynar, Ümit H.; Hakami, Jabir; Ayvacıklı, Mehmet; Aydın, Hasan; Canımoğlu, Adil; Can, Nurdoğan (Elsevier Science, 2024)

  In this study, we investigate the structural and photoluminescence (PL) properties of rare-earth-doped GdCa4O(BO3)3 (GdCOB) phosphors, specifically focusing on the spectral behaviour induced by doping with Eu³⁺ and Tb³⁺ ...

• Calculation of X-ray attenuation coefficients for normal and cancerous breast tissues 

  Böke, Aysun (Korean Nuclear Society, 2024)

  The study was carried out by numerical integration based on the diffraction properties and elemental composition. The elemental compositions of breast tissues in the literature were tested. The photon attenuation coefficients ...

• Investigation of superparamagnetic iron oxide nanoparticles in air environment for elevated saturation magnetization 

  Karaağaç, Öznur; Köçkar, Hakan (Institute of Physics, 2024)

  Iron oxide nanoparticles have garnered interest for their unique properties and wide application areas. For applications, superparamagnetic nanoparticles are required so that they can be magnetized by an external magnetic ...

• Sensing volatile organic compounds with CVD graphene: Insights from quartz crystal microbalance and surface plasmon resonance studies 

  Selvi, Hakan; Çapan, İnci; Çapan, Rifat; Açıkbaş, Yaser (Springer, 2024)

  This study explores the sensing capabilities of chemical vapor deposition (CVD)- grown graphene in detecting volatile organic compounds (VOCs) through quart crystal microbalance (QCM) and surface plasmon resonance (SPR) ...

• Terbium (III) and salicylamide doped nickel ferrite (NiFe2O4) nanoparticles synthesized from Olea europaea L. plant extracts via eco-friendly green synthesis approach and co-precipitation method 

  Kızılduman, Berna Koçer; Diken, Mehmet Emin; Doğan, Mehmet; Çoban, Mustafa Burak (Elsevier Ltd, 2024)

  An eco-friendly and cost-effective NiFe2O4 nanoparticles and its derivatives NiFe2O4:salicylamide, NiFe2O4:salicylamide:Tb3+ and NiFe2O4:salicylamide:Tb3+:Olea europaea L. extracts have been successfully synthesized using ...

• Structural properties controlled magnetisation of Ni/Al multilayers sputtered on flexible polymer substrate: Impact of Ni deposition rates 

  Kaplan, Nadir; Karpuz, Ali; Köçkar, Hakan (Institute of Physics, 2024)

  The goal of this work is to determine how the rate of Ni deposition rates affect the structural characteristics that regulate the magnetization of Ni/Al multilayer thin films sputtered on flexible acrylic acetate polymer ...

• Comparison of microwave-assisted synthesis and steglich thioesterification for the modification of nanotubes 

  Aslan, Mehmet; Çalışır, Ümit; Çiçek; Baki (Bentham Science Publ Ltd, 2024)

  Organo-modified carbon nanotubes have recently gained the interest of many research groups. The potential for applying a new generation of organo-modified carbon nanotubes in many technological fields reveals the importance ...

• Amine-modified halloysite nanotube embedded PEI cryogels as adsorbent nanoarchitectonics for recovery of valuable phenolic compounds from olive mill wastewater 

  Demirci, Şahin; Süner, Selin Sağbaş; Yılmaz, Selehattin; Bağdat, Sema; Tokay, Feyzullah; Şahiner, Nurettin (Elsevier, 2024)

  Here, natural tubular clays, halloysite nanotubes (Hal), were modified with ethylenediamine (EDA), triethylenetetramine (TETA), pentaethylenehexamine (PEHA), and polyethyleneimine (PEI) to enhance their adsorption capabilities ...

• Enhancing maize foliar disease management through fractional optimal control strategies 

  Evirgen, Fırat; Uçar, Sümeyra; Özdemir, Necati; Jajarmi, Amin (Amer Inst Mathematical Sciences-Aims, 2024)

  ct. Major yield losses in maize fields are being caused by a variety of foliar diseases. Early detection of these diseases can lower the possibility of extensive crop damage and assist farmers with setting up the ideal ...

• Novel Tb³⁺-doped LaAl₂B₄O₁₀ phosphors: Structural analysis, luminescent properties, and energy transfer mechanism 

  Kaynar, Ümit Hüseyin; Aydın, Hasan; Hakami, Jabir; Altowyan, Abeer S.; Çoban, Mustafa Burak; Ayvacıklı, Mehmet; Canımoğlu, Adil; Can, Nurdoğan (Elsevier, 2024)

  This study explores the structural and luminescent properties of terbium (Tb³⁺)-doped lanthanum aluminium borate (LaAl₂B₄O₁₀, abbreviated as LAB) phosphors, a novel host lattice for Tb³⁺ doping. LAB:Tb³⁺ phosphors, with ...

Daha Fazla