Department of Engineering Sciences, Article

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Evis, Zafer (78)
Dicleli, Murat (75)
Tezcaner, Ayşen (66)
Eraslan, Ahmet Nedim (55)
Keskin, Dilek (52)

Civil and Structural Engineering (57)
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Recent Submissions

Proposed minimum restoring force requirements for seismic isolated structures
Dicleli, Murat; Gorgulu, Ali Gunalp (2021-02-01)
In this research study, a new set of restoring force equations are proposed for seismic isolated structures subjected to far fault ground motions (FFGM) and near fault ground motions (NFGM). For this purpose, 110 FFGM and ...
Radiosensitization induced by zinc-doped hydroxyapatite nanoparticles in breast cancer cells
YEDEKÇİ, FAZLI YAĞIZ; Gedik, Emre; Evis, Zafer; Dogan, Lale; ÖZYİĞİT, GÖKHAN; Gurkaynak, Murat (2021-01-01)
Zinc-doped hydroxyapatite (HA) nanoparticles were synthesized by microwave assisted method and used with ionizing radiation for inhibition of proliferation of breast cancer cells. Zinc-doped HAs were produced in four diffe...
A dual-phase scaffold produced by rotary jet spinning and electrospinning for tendon tissue engineering
Guner, Mustafa Bahadir; DALGIÇ, ALİ DENİZ; Tezcaner, Ayşen; Yilanci, Sedat; Keskin, Dilek (IOP Publishing, 2020-11-01)
Tendon is a highly hierarchical and oriented tissue that provides high mechanical strength. Tendon injuries lead to loss of function, disability, and a decrease in quality of life. The limited healing capacity of tendon ti...
Cellulose acetate-gelatin-coated boron-bioactive glass biocomposite scaffolds for bone tissue engineering
Rad, Reza Moonesi; ALSHEMARY, AMMAR ZEIDAN GHAILAN; Evis, Zafer; Keskin, Dilek; Tezcaner, Ayşen (IOP Publishing, 2020-11-01)
In this study, we aimed to prepare and characterize porous scaffolds composed of pure and boron oxide (B2O3)-doped bioactive glass (BG) that were infiltrated by cellulose acetate-gelatin (CA-GE) polymer solution for bone t...
Hacioglu, Tugce; Tezcaner, Ayşen; Abbas, Sherif; Evis, Zafer (World Scientific Pub Co Pte Lt, 2020-11-01)
In this study, bismuth + carbonate co-doped and pure hydroxyapatites (HAp) were coated on rough surfaces of Ti6Al4V plates by biomimetic method. Prepared samples were investigated with SEM, EDS, FTIR, XRD and ICP. Furtherm...
Calcium zirconium silicate (baghdadite) ceramic as a biomaterial
Jodati, Hossein; Yilmaz, Bengi; Evis, Zafer (Elsevier BV, 2020-10-01)
Bioceramics have been widely used for many years to restore and replace hard tissues including bones, teeth and mineralized matrices such as calcified cartilages at osteochondral interfaces, mainly because of their physico...
Damping reduction equation for the equivalent linear analysis of seismic isolated structures subjected to near fault ground motions
Dicleli, Murat; Kara, Emrah (Elsevier BV, 2020-10-01)
In this study, a new damping reduction equation is proposed to obtain reasonable estimates of the actual nonlinear responses of seismic isolated structures (SIS) subjected to near fault ground motions (NFGM) with forward-r...
A review of bioceramic porous scaffolds for hard tissue applications: Effects of structural features
Jodati, Hossein; Yilmaz, Bengi; Evis, Zafer (Elsevier BV, 2020-07-01)
Tissue engineering has acquired remarkable attention as an alternative strategy to treat and restore bone defects during recent years. A scaffold is a fundamental component for tissue engineering, on which cells attach, pr...
Effect of storage time on mechanical properties of extended-pour irreversible hydrocolloid impression materials
ŞAHİN, VOLKAN; Jodati, Hossein; Evis, Zafer (Elsevier BV, 2020-07-01)
Statement of problem. Recent commercial extended-pour irreversible hydrocolloid impression materials (EPIHIMs) claim to maintain dimensional stability up to 120 hours. However, data regarding their mechanical properties an...
Dual growth factor delivery using PLGA nanoparticles in silk fibroin/PEGDMA hydrogels for articular cartilage tissue engineering
Fathi-Achachelouei, Milad; Keskin, Dilek; Bat, Erhan; Vrana, Nihal E.; Tezcaner, Ayşen (Wiley, 2020-07-01)
Degeneration of articular cartilage due to damages, diseases, or age-related factors can significantly decrease the mobility of the patients. Various tissue engineering approaches which take advantage of stem cells and gro...
Inspection and evaluation of a network of concrete bridges based on multiple NDT techniques
Akgül, Ferhat (Informa UK Limited, 2020-07-01)
Bridge condition rating is a crucial variable used for prioritisation of bridge needs in bridge management systems (BMSs). At present, bridge rating is predominantly based on visual inspections. A practical method incorpor...
Boron-doped Biphasic Hydroxyapatite/beta-Tricalcium Phosphate for Bone Tissue Engineering
Pazarçeviren, Ahmet Engin; Tezcaner, Ayşen; Keskin, Dilek; Kolukisa, Serap Topsoy; Surdem, Sedat; Evis, Zafer (Springer Science and Business Media LLC, 2020-06-10)
Boron-doped hydroxyapatite/tricalcium phosphates (BHTs) were synthesized to study boron uptake and correlate structural alterations of incremental boron addition (0 to 10 mol%). BHTs with a Ca/P ratio of 1.6 were prepared ...
Structural and Biological Analysis of Mesoporous Lanthanum Doped beta TCP For Potential Use as Bone Graft Material
Motameni, Ali; Dalgıç, Ali Deniz; ALSHEMARY, AMMAR ZEIDAN GHAILAN; Keskin, Dilek; Evis, Zafer (Elsevier BV, 2020-06-01)
In this study, mesoporous particles of beta-tricalcium phosphate (beta TCP, beta Ca-3(PO4)(2)) and lanthanum (La) doped beta TCP were synthesized using wet precipitation method attached with microwave refluxing system. The...
Synthesis and characterization of magnesium-lanthanum dual doped bioactive glasses
Jodati, Hossein; Guner, Bahadir; Evis, Zafer; Keskin, Dilek; Tezcaner, Ayşen (Elsevier BV, 2020-06-01)
Dual ion-doped bioactive glass has drawn high attention during recent years because of well-improved therapeutic characteristics and mechanical properties. In this study, 5 different ion-doped (1 wt% Lanthanum with 0, 1, 2...
Potential tsunami hazard along the southern Turkish coast
Aydin, Baran; Sharghivand, Naeimeh; Bayazitoglu, Ozge (Elsevier BV, 2020-06-01)
The aim of this study is to determine the tsunami potential of the southern Turkish coast through hypothetical earthquake scenarios developed for several critical coastal sites in the region. A well-known tsunami numerical...
Historical development of simulated body fluids used in biomedical applications: A review
Yilmaz, Bengi; Pazarçeviren, Ahmet Engin; Tezcaner, Ayşen; Evis, Zafer (Elsevier BV, 2020-06-01)
Simulated body fluid (SBF) is an acellular, protein-free, supersaturated calcium-phosphate solution with ionic composition nearly equal to that of human blood plasma and generally buffered at physiological conditions (pH 7...
Effects of surface pretreatments and coating period on hydroxyapatite coating of Ti6Al4V alloy
HACIOĞLU, TUĞÇE; Evis, Zafer; Tezcaner, Ayşen; Aydınol, Mehmet Kadri (2020-06-01)
In this study, Ti6Al4V plates were gone through three steps of pretreatment process (sandblasting + acid etching + preheating) followed by biomimetic coating of pure hydroxyapatites (HAp) on pretreated substrate. Pretreate...
The Chios, Greece Earthquake of 23 July 1949: Seismological Reassessment and Tsunami Investigations
Melis, Nikolaos S.; Okal, Emile A.; Synolakis, Costas E.; Kalogeras, Ioannis S.; Kanoğlu, Utku (Springer Science and Business Media LLC, 2020-03-01)
We present a modern seismological reassessment of the Chios earthquake of 23 July 1949, one of the largest in the Central Aegean Sea. We relocate the event to the basin separating Chios and Lesvos, and confirm a normal fau...
Effect of the high frequency components of near-fault ground motions on the response of linear and nonlinear SDOF systems: A moving average filtering approach
Yalcin, O. Fatih; Dicleli, Murat (Elsevier BV, 2020-02-01)
In this study, the effect of the high frequency components of near fault ground motions (NFGM) with forward rupture directivity effect (FRDE) on the seismic response of elastic and inelastic SDOF regular (non-isolated) and...
Low-cycle fatigue in steel H-piles of integral bridges; a comparative study of experimental testing and finite element simulation
Karalar, Memduh; Dicleli, Murat (2020-01-10)
Integral abutment bridges (IABs) are those bridges without expansion joints. A single row of steel H-piles (SHPs) is commonly used at the thin and stub abutments of IABs to form a flexible support system at the bridge ends...