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Browsing Biyomedikal Mühendisliği Bölümü / Department of Biomedical Engineering by Title

Now showing items 1-20 of 70

Acil Yardım Akıllı Turnike Sistemi

Beytar, Faruk; Budak, Erdem Inanc; Unlu, Aytekin; Eroğul, Osman (IEEE, 2017)

In case of traffic accidents, firearm injuries and explosions, it is necessary to apply a tourniquet in order to survive the injuries of serious extremity injuries and blood loss. There are a few things to consider when ...
Amyloid-like protein nanofibrous membranes as a sensing layer infrastructure for the design of mass-sensitive biosensors

Kabay, Gözde; Can, Gizem Kaleli; Mutlu, Mehmet (Elsevier Advanced Technology, 2017-11)

Quartz crystal microbalances (QCMs) have been used in the literature for mass sensitive biosensor applications. However, their performance, reliability and stability have been limited by the chemical treatment steps required ...
Anemone-like nanostructures for non-lithographic, reproducible, large-area, and ultra-sensitive SERS substrates

Daglar, Bihter; Demirel, Gokcen Birlik; Khudiyev, Tural; Dogan, Tamer; Tobail, Osama; Altuntas, Sevde; Büyükserin, Fatih; Bayindir, Mehmet (Royal Soc Chemistry, 2014)

The melt-infiltration technique enables the fabrication of complex nanostructures for a wide range of applications in optics, electronics, biomaterials, and catalysis. Here, anemone-like nanostructures are produced for the ...
Association analysis of Glutathione S-transferase omega-1 and omega-2 genetic polymorphisms and ischemic stroke risk in a Turkish population

Bilgin, Esra; Can Demirdöğen, Birsen; Türkanoğlu Özçelik, Aysun; Demirkaya, Şeref; Adalı, Orhan (Taylor and Francis Ltd., 2019-02-01)

Objectives: Oxidative stress is a known risk factor for the pathogenesis of atherosclerosis, the main cause of ischemic stroke. Glutathione S-transferase (GST) omega-1 and omega-2, members of phase II enzymes, play a role ...
Association of cytochrome P4502E1 and NAD(P)H:quinone oxidoreductase 1 genetic polymorphisms with susceptibility to large artery atherosclerotic ischemic stroke: a case-control study in the Turkish population

Ozcelik, Aysun Turkanoglu; Can Demirdöğen, Birsen; Demirkaya, Şeref; Adali, Orhan (Springer-Verlag Italia Srl, 2017-06)

Stroke, a major cause of death and disability, is described as interruption or severe reduction of blood flow in cerebral arteries. Oxidative stress plays an important role in the pathogenesis of atherosclerosis and carotid ...
Biocatalytic protein membranes fabricated by electrospinning

Kabay, Gözde; Kaleli, Gizem; Sultanova, Zahida; Olmez, Tolga Tarkan; Seker, Urartu Ozgur Safak; Mutlu, Mehmet (Elsevier Science Bv, 2016-06)

In this study, a protein-based catalytic membrane was produced by electrospinning. Membrane activity was characterised in terms of response current for various glucose concentrations. We focused on the preparation of a ...
Biyomedikal Kalibrasyon Hizmetlerinde Şehir Hastaneleri Modeli

Kocak, Onur; Budak, Erdem I.; Beytar, Faruk; Ozgode, Busra; Coruh, Baris; Kocoglu, Arif; Eroğul, Osman (IEEE, 2015)

Clinical engineering comprise of management of medical technology, medical device maintenance, repair, and calibration which they are bought according to capacity of health institution. In this study, entirely using ...
Brain aluminium accumulation and oxidative stress in the presence of calcium silicate dental cements

Demirkaya, K.; Can Demirdöğen, Birsen; Torun, Z. Oncel; Erdem, O.; Cirak, E.; Tunca, Y. M. (Sage Publications Ltd, 2017-10)

Mineral trioxide aggregate (MTA) is a calcium silicate dental cement used for various applications in dentistry. This study was undertaken to test whether the presence of three commercial brands of calcium silicate dental ...
Cartilage-bone interface features, scaffold and cell options for regeneration

Ozcan B.; Bayrak E.; Erişken, Cevat (OMICS International, 2016-08)

[No abstract available]
Ceruloplasmin and catalase activites in pseudoexfoliation syndrome and pseudoexfoliation glaucoma

Mumcuoğlu, Tarkan; Can Demirdöğen, Birsen; Ceylan, Osman Melih; Işıkoğlu, Semra; Erel, Özcan (Türkiye Klinikleri, 2013-11)

Objective: Pseudoexfoliation syndrome (PEX) is an age-related systemic disorder primarily with ocular manifestations. PEX is considered as the most common identifiable cause of glaucoma (pseudoexfoliation glaucoma, PEG) ...
Characterization of human dental pulp tissue under oscillatory shear and compression

Ozcan B.; Bayrak E.; Erişken, Cevat (American Society of Mechanical Engineers (ASME), 2016-06)

Availability of material as well as biological properties of native tissues is critical for biomaterial design and synthesis for regenerative engineering. Until recently, selection of biomaterials and biomolecule carriers ...
Classifying dysmorphic syndromes by using artificial neural network based hierarchical decision tree

Özdemir, Merve Erkınay; Telatar, Ziya; Eroğul, Osman; Tunca, Yusuf (Springer Netherlands, 2018-06-01)

Dysmorphic syndromes have different facial malformations. These malformations are significant to an early diagnosis of dysmorphic syndromes and contain distinctive information for face recognition. In this study we define ...
A comparative study of single-needle and coaxial electrospun amyloid-like protein nanofibers to investigate hydrophilic drug release behavior

Kabay, Gözde; Demirci, Ceyhun; Kaleli Can, Gizem; Meydan, Ahmet Ersin; Daşan, Beyhan Günaydın; Mutlu, Mehmet (Elsevier B. V., 2018-07-15)

In this study, nanofibers containing an amyloid-like bovine serum albumin (AL-BSA) carrier and a model drug (ampicillin) were produced by electrospinning. The release behavior of ampicillin was compared from electrospun ...
Computer-assisted diagnosis of osteoartrithis on hip radiographs

Sahin, Seda; Akata, Emin; Eroğul, Osman; Tuncay, Cengiz; Sahin, Orcun; Sanal, Hatice Tuba (Springer-Verlag Singapore Pte Ltd, 2017)

Hip osteoarthritis (OA) can be highly disabling and eventually may necessitate total replacement of the joint. Studies with computer-based analysis of the hip OA may give new insight both in imaging and clinical evaluation ...
Controlled release of a hydrophilic drug from coaxially electrospun polycaprolactone nanofibers

Sultanova, Zahida; Kaleli, Gizem; Kabay, Gözde; Mutlu, Mehmet (Elsevier Science Bv, 2016-05)

A recent approach for controlled release of drugs is the production of core-shell fibers via modified coaxial electrospinning where a shell solution which is not fully electrospinnable can be used. In this study, this ...
Controlled release of a hydrophilic drug from electrospun amyloid-like protein blend nanofibers

Kabay, Gözde; Meydan, Ahmet Ersin; Can, Gizem Kaleli; Demirci, Ceylan; Mutlu, Mehmet (Elsevier Science Bv, 2017-12)

In this study, a controlled drug release platform, amyloid-like bovine serum albumin (AL-BSA) with ampicillin sodium salt (amp), was developed. To develop this platform, 5%, 10%, and 20% (w/w) ratios of amp:BSA were used ...
Çocuklarda Horlama Episodlarının Otomatik Tespiti

Cavusoglu, Mustafa; Burger, Harold Christopher; Brockmann, Pablo E.; Poets, Christian F.; Urschitz, Michael S.; Kamasak, Mustafa E.; Eroğul, Osman (IEEE, 2014)

In this paper, a novel algorithm is proposed for automatic detection of snoring sounds from ambient acoustic data in a pediatric population. With the approval of institutional ethic committee and parents, the respiratory ...
Decontamination of Aspergillus flavus and Aspergillus parasiticus spores on hazelnuts via atmospheric pressure fluidized bed plasma reactor

Dasan, Beyhan Gunaydin; Mutlu, Mehmet; Boyacı, İsmail Hakkı (Elsevier Science Bv, 2016-01)

In this study, an atmospheric pressure fluidized bed plasma (APFBP) system was designed and its decontamination effect on aflatoxigenic fungi (Aspergillus flavus and Aspergillus parasiticus) on the surface of hazelnuts was ...
Detection and identification of genetic material via single-molecule conductance

Li, Yuanhui; Artés, Juan Manuel; Demir, Büşra; Gokce, Sümeyye; Mohammad, Hashem M.; Alangari, Mashari; Anantram, Manjeri P.; Ören, Ersin Emre; Hihath, Joshua (Nature Publishing Group, 2018-12-01)

The ongoing discoveries of RNA modalities (for example, non-coding, micro and enhancer) have resulted in an increased desire for detecting, sequencing and identifying RNA segments for applications in food safety, water and ...
Dijital Kamera ve Lazer İşaretçi Kullanılarak Görüntü İşleme Yöntemiyle Yer Değiştirmenin Ölçülmesi

Mortas, Cem; Demirci, Muhammed Fatih; Gurbuz, S. Zubeyde; Eroğul, Osman (IEEE, 2016)

Today, interest in the image processing system is increasing in many areas including engineering, medical informatics and bioinformatics. Technological advances in camera and software fields made them to be a current issue ...