Department of Engineering Sciences, Article

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Recent Submissions

The modified Vlasov model on a nonhomogeneous and nonlinear soil layer
Isbuga, Volkan; Cerezci, Mehmet; Aşık, Mehmet Zülfü (2022-09-01)
© 2022 Elsevier LtdThis study presents a novel approach to account for the soil nonlinearity of nonhomogeneous soil deposits in foundation deflection analyses in the context of a modified Vlasov foundation model. We presen...
Graphene oxide reinforced doped dicalcium phosphate bone cements for bone tissue regenerations
Motameni, Ali; Alshemary, Ammar Z.; Dalgic, Ali Deniz; Keskin, Dilek; Evis, Zafer (2022-09-01)
Artificial bone cements have widespread applications in orthopedic and dental surgeries. Nevertheless, there is a need to develop novel materials for artificial bone cements due to limitations like short-service life, weak...
Pullulan hydrogel-immobilized bacterial cellulose membranes with dual-release of vitamin C and E for wound dressing applications.
Atila, Deniz; Karataş, Ayten; Keskin, Dilek; Tezcaner, Ayşen (2022-07-25)
Versatile-in-All-Trades: Multifunctional Boron-Doped Calcium-Deficient Hydroxyapatite Directs Immunomodulation and Regeneration
Pazarçeviren, Ahmet Engin; Akbaba, Sema; Evis, Zafer; Tezcaner, Ayşen (2022-07-11)
© 2022 American Chemical Society. All rights reserved.Osseointegration of implants depends on several intertwined factors: osteogenesis, angiogenesis, and immunomodulation. Lately, novel reinforcements allowing faster bond...
In vitro two-step granuloma formation model for testing innate immune response to implants and coatings
ANTMEN ALTUNSOY, EZGİ; Muller, Celine B.; Calligaro, Cynthia; Dupret-Bories, Agnes; Barthes, Julien; Lavalle, Philippe; Vrana, Nihal Engin (2022-07-01)
The extensive innate immune response to implanted biomaterials contributes significantly to their sub-par performance and failure. Granuloma formation is one of such reactions which results in multi-cell type clusters in l...
Novel hysteretic damper to improve the distribution of story drifts and energy dissipation along the height of braced frames
Milani, Ali Salem; Dicleli, Murat (2022-06-01)
A novel hysteretic damper is designed for deployment in Chevron-braced frames of buildings to improve their seismic performance. The new damper, Torsional Hysteretic Damper for Frames (THDF), is a device that utilize torsi...
Properties and applications of boron nitride nanotubes
Turhan, Emine Ayse; Pazarçeviren, Ahmet Engin; Evis, Zafer; Tezcaner, Ayşen (2022-06-01)
Nanomaterials have received increasing attention due to their controllable physical and chemical properties and their improved performance over their bulk structures during the last years. Carbon nanostructures are one of ...
A Review on Nanocomposites with Graphene Based Fillers in Poly(ether ether ketone)
Oz, Yahya; Yilmaz, Bengi; Evis, Zafer (2022-04-01)
In various fields, carbonaceous nanofillers, especially graphene, play a promising role due to their broad area of applications which result from their quite good structural and functional characteristics. This paper revie...
Coaxial electrospinning of composite mats comprised of core/shell poly(methyl methacrylate)/silk fibroin fibers for tissue engineering applications
Atila, Deniz; HASIRCI, Vasıf Nejat; Tezcaner, Ayşen (2022-04-01)
© 2022 Elsevier LtdMimicking extracellular matrix (ECM) of native tissue by tissue-engineered constructs is critical to induce regeneration of the damaged site. In this study, coaxial electrospinning of core/shell poly(met...
Landslide susceptibility assessment in medium-scale: case studies from the major drainage basins of Turkey
Okalp, Kıvanç; Akgün, Haluk (2022-04-01)
Inventory, heuristic, statistical, and deterministic methods have been widely used in landslide susceptibility studies in recent years. This study aims to apply a GIS-based semi-quantitative approach (Analytical Hierarchy ...
Seamless and robust alginate/gelatin coating on Ti-6Al-4V as a gap filling interphase
Pazarçeviren, Ahmet Engin; Akbaba, Sema; Tezcaner, Ayşen; Keskin, Dilek; Evis, Zafer (2022-04-01)
Durable, biocompatible and interphases composed of interpenetrating network of alginate and gelatin (A/G) with long shelf-life were produced. Titanium implants were conditioned with acid:peroxide followed by sodium hydroxi...
RGD-Modified Titanium as an Improved Osteoinductive Biomaterial for Use in Dental and Orthopedic Implants
Seemann, Alexandra; Akbaba, Sema; Buchholz, Jessica; Tuerkkan, Sibel; Tezcaner, Ayşen; Woche, Susanne K.; Guggenberger, Georg; Kirschning, Andreas; Draeger, Gerald (2022-02-01)
This study describes the synthesis, surface analysis, and biological evaluation of bioactive titanium surfaces. The aim was to achieve an improved effect on osteoinduction in dental and orthopedic implants. For this purpos...
In vitro evaluation of injectable Tideglusib-loaded hyaluronic acid hydrogels incorporated with Rg1-loaded chitosan microspheres for vital pulp regeneration
Atila, Deniz; Chen, Ching-Yun; Lin, Chun-Pin; Lee, Yuan-Ling; HASIRCI, Vasıf Nejat; Tezcaner, Ayşen; Lin, Feng-Huei (2022-02-01)
Injectable systems receive attention in endodontics due to the complicated and irregular anatomical structure of root canals. Here, injectable Tideglusib (Td)-loaded hyaluronic acid hydrogels (HAH) incorporated with Rg1loa...
Xanthan-gelatin and xanthan-gelatin-keratin wound dressings for local delivery of Vitamin C
Demir, Gizem Cigdem; Erdemli, Özge; Keskin, Dilek; Tezcaner, Ayşen (2022-02-01)
Recently, functional dressings that can protect the wound area from dehydration and bacterial infection and support healing have gained importance in place of passive dressings. This study aimed to develop temporary and re...
On the use of complex stretching coordinates in generalized finite difference method with applications in inhomogeneous visco-elasto dynamics
Korkut, Fuat; Mengi, Yalcin; Tokdemir, Turgut (2022-01-01)
In the study, in conjunction with perfectly matched layer (PML) analysis, an approach is proposed for the evaluation of complex derivatives directly in terms of complex stretching coordinates of points in PML. For doing th...
From 3D printing to 3D bioprinting: the material properties of polymeric material and its derived bioink for achieving tissue specific architectures
Vrana, Nihal Engin; Gupta, Sharda; Mitra, Kunal; Rizvanov, Albert A.; Solovyeva, Valeriya V.; ANTMEN ALTUNSOY, EZGİ; Salehi, Majid; Ehterami, Arian; Pourchet, Lea; Barthes, Julien; Marquette, Christophe A.; von Unge, Magnus; Wang, Chi-Yun; Lai, Po-Liang; Bit, Arindam (2022-01-01)
The application of 3D printing technologies fields for biological tissues, organs, and cells in the context of medical and biotechnology applications requires a significant amount of innovation in a narrow printability ran...
Effects of the doping concentration of boron on physicochemical, mechanical, and biological properties of hydroxyapatite
Jodati, Hossein; Tezcaner, Ayşen; Alshemary, Ammar Z.; Şahin, Volkan; Evis, Zafer (2022-01-01)
© 2022 Elsevier Ltd and Techna Group S.r.l.Ion doping is an approach to modify properties of materials, like hydroxyapatite (HA), that contributes to designing biomaterials with desired characteristics applicable in bone d...
3D porous PCL-PEG-PCL / strontium, magnesium and boron multi-doped hydroxyapatite composite scaffolds for bone tissue engineering
Yedekçi, Buşra; Tezcaner, Ayşen; Evis, Zafer (2022-01-01)
Bioceramic/polymer composite systems have gained importance in treating hard tissue damages using bone tissue engineering (BTE). In this context, it was aimed to develop 3D porous composite PCL-PEG-PCL scaffolds containing...
Introduction to "Sixty Years of Modern Tsunami Science, Volume 1: Lessons and Progress"
Kanoğlu, Utku; Baptista, Maria Ana; Rabinovich, Alexander B. (2021-12-01)
Twenty-three papers are included in this PAGEOPH topical issue "Sixty Years of Modern Tsunami Science, Volume I: Lessons and Progress". The papers are grouped into four categories: historical tsunami events, studies on tsu...
The role of biomaterials and scaffolds in immune responses in regenerative medicine: macrophage phenotype modulation by biomaterial properties and scaffold architectures
Antmen Altunsoy, Ezgi ; Vrana, Nihal Engin; Hasırcı, Vasıf Nejat (2021-10-01)
Scaffolds are an integral part of the regenerative medicine field. The contact of biomaterials with tissue, as was clearly observed over the years, induces immune reactions in a material and patient specific manner, where ...
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