• Controlled drug release performance of plasma modified slab and mat matrices: A model study with “Ampicillin” 

  Meydan, Ahmet Ersin; Özgüzar, Hatice Ferda; Göçmen, Jülide Sedef; Mutlu, Mehmet (Elsevier B.V., 2020-09)

  Two types of ampicillin carrier platforms were prepared with polycaprolactone (PCL) and the release behavior of a hydrophilic model drug (ampicillin sodium salt) from those matrices was investigated. Spin coating and ...

• Bilgisayarlı tomografi, röntgen ve ultrason görüntüleme cihazları için balistik jelatin esaslı fantom modellerinin araştırılması 

  Özdemir, Mertcan; Eroğul, Osman; Ünlü, Aytekin (IEEE, 2019-10)

  Simulation-based medical education provides a learner-centered environment in which novice, intermediate and advanced practitioners can learn or practice their skills without harming patients. Medical device phantoms are ...

• Evaluation of CMUT Performance under Different Excitation Signals and Electrode Coverage 

  Yaşar, Abdullah İrfan; Yildiz, Fikret; Eroğul, Osman (IEEE, 2019-11)

  CMUT output characteristics with different top electrode coverages were investigated by driving different excitation signals. Membrane displacements were obtained using a Simulink model. Membrane displacements were examined ...

• GSBL Pozitif Üropatojen Escherichia coli İzolatlarının Plazma Polimerizasyon Tekniği ve Nanomalzemeler ile Modifiye Edilmiş (Mikroplak) Yüzeylerde Biyofilm Oluşumunun İncelenmesi: Deneysel Model 

  Hortaç, Elvan; Kaleli Can, Gizem; Çökeliler, Dilek; Yavuzdemir, Şükran; Mutlu, Mehmet; Demirbilek Ekici, Müge; Göçmen, Jülide Sedef (Türk Mikrobiyoloji Cemiyeti, 2015)

  Objective: Extended spectrum beta lactamase (ESBL) positive urinary pathogen Escherichia coli is one of the major agents that lead to catheter-associated urinary tract infection. Prevention of colonization via coating the ...

• Quality changes of hazelnut kernels subjected to different cold plasmas and gamma irradiation treatments 

  Onal-Ulusoy, Baran; Sen, Yasin; Mutlu, Mehmet (Elsevier Ltd., 2019-12)

  In this study, physicochemical parameters of hazelnuts after atmospheric-pressure (AP:air, 3000 L/h, 655 W, 25 kHz, 1.7 min) and low-pressure (LP:air, 25 Pa, 100 W, 13.56 MHz, 30 min) cold plasmas, and gamma irradiation ...

• Doku İskelesindeki Canlı ve Ölü Hücrelerin Bölütlenmesi 

  Uyar, Tansel; Erdamar, Aykut; Akşahin, Mehmet F.; Gümüşderelioğlu, Menemşe; Irmak, Gülseren; Eroğul, Osman (IEEE, 2018-05)

  Image processing techniques are frequently used for extracting quantitative information (cell area, cell size, cell counting, etc.) from different types of microscopic images. Image analysis in the field of cell biology ...

• Çocuklarda Horlama Episodlarının Otomatik Tespiti 

  Çavuşoğlu, Mustafa; Kamaşak, Mustafa E.; Burger, Harold Christopher; Eroğul, Osman; Brockmann, Pablo E.; Poets, Christian F.; Urschitz, Michael S. (IEEE, 2014-04)

  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 ...

• Wireless transmission of heart rate and blood pressure measurements for remote patient monitoring 

  Türk, Elif Çiğdem; Altıner, Ezgi Pelin; Özdemir, Mertcan; Eroğul, Osman (IEEE, 2019-10)

  This paper describes the development of a wireless pulse and blood pressure monitoring system based on a microprocessor with low cost. It is aimed to receive blood pressure information (tension) through certain processes ...

• Epileptic Activity Detection in EEG Signals using Linear and Non-linear Feature Extraction Methods 

  Ficici, Cansel; Eroğul, Osman; Telatar, Ziya (IEEE, 2019-11)

  The aim of this study is to obtain an automated medical diagnosis-support system about epilepsy by classifying EEG signal epochs as ictal, inter-ictal and normal. EEG signals were analyzed in their sub-bands obtained via ...

• Controlled release of doxorubicin from polyethylene glycol functionalized melanin nanoparticles for breast cancer therapy: Part I. Production and drug release performance of the melanin nanoparticles 

  Ozlu, Busra; Kabay, Gozde; Bocek, Ilyas; Yilmaz, Merve; Piskin, Ayse Kevser; Shim, Bong Sup; Mutlu, Mehmet (Elsevier B.V., 30.10.2019)

  In this study, polyethylene glycol (PEG) conjugated melanin nanoparticles (MNPs) were prepared (PEG-MNPs). A model chemotherapy drug, doxorubicin (DOX), was loaded into the PEG-MNPs with varied concentrations (0.125, 0.250, ...

• Mixed monolayer decorated SPR sensing surface for thrombin detection 

  Sadık, Demet Ataman; Boyacı, İsmail Hakkı; Mutlu, Mehmet (Elsevier B.V., 30.11.2019)

  The development of surface plasmon resonance (SPR) based immunosensor for thrombin detection was aimed. For this purpose, 3,3? Dithiodipropionic acid di (N-hydroxysuccinimide ester) (DSP):6-mercapto-1-hexanol (MCH) mixed ...

• Natural Melanin Nanoparticle-decorated Screen-printed Carbon Electrode: Performance Test for Amperometric Determination of Hexavalent Chromium as Model Trace 

  Kaleli Can, Gizem; Ozlu, Busra; Özgüzar, Hatice Ferda; Onal-Ulusoy, Baran; Kabay, Gözde; Eom, Taesik; Shim, Bong Sup; Mutlu, Mehmet (Wiley, 2020-08)

  A biosensor was prepared with natural melanin nanoparticles (MNP) decorated on a screen-printed carbon electrode (SPCE). Hexavalent chromium was selected as a well-known heavy metal ion to be detected for testing the ...

• Analysis of water-equivalent materials used during irradiation in the clinic with XCOM and BEAMnrc 

  Tuğrul, Taylan; Eroğul, Osman (Taylor and Francis Ltd, 2020-01)

  The devices used in the departments of Radiology, Nuclear Medicine, and Radiation Oncology should check for precise dose at some periods. The purpose of study is to compare the materials used for dosimetric control using ...

• Detoxification of hazelnuts by different cold plasmas and gamma irradiation treatments 

  Sen, Yasin; Onal-Ulusoy, Baran; Mutlu, Mehmet (Elsevier Ltd., 2019-06)

  The detoxification effects of cold atmospheric-pressure (AP,3000 L/h of air, 25 kHz, 655 W-1.7 min)and low-pressure (LP,air-100 W-30 min)plasmas and gamma irradiation(GMI,10 kGy-10 min)treatments on different concentrations ...

• 3D-printed poly(lactic acid) scaffolds for trabecular bone repair and regeneration: scaffold and native bone characterization 

  Velioglu, Zeynep Busra; Pulat, Deniz; Demirbakan, Beril; Ozcan, Burak; Bayrak, Ece; Erişken, Cevat (Taylor and Francis Ltd, 4.05.2019)

  Purpose: Study objectives were set to (i) fabricate 3D-printed scaffolds/grafts with varying pore sizes, (ii) characterize surface and mechanical properties of scaffolds, (iii) characterize biomechanical properties of ...

• Quartz tuning fork as a mass sensitive biosensor platform with a bi-layer film modification via plasma polymerization 

  Özgüzar, Hatice Ferda; Kaleli Can, Gizem; Kabay, Gözde; Mutlu, Mehmet (Cambridge University Press, 2019-06)

  Due to the lack of the stability of amine films, a promising transducer, quartz-tuning fork (QTF) prongs were modified by a bi-layer film of plasma-polymerized n-heptane (hep) and then by ethylenediamine (EDA), respectively. ...

• Aspergillus decontamination in hazelnuts: Evaluation of atmospheric and low-pressure plasma technology 

  Sen, Yasin; Onal-Ulusoy, Baran; Mutlu, Mehmet (Elsevier Ltd., 2019-06)

  The decontamination effects of non-thermal atmospheric-pressure (AP)and low-pressure (LP)plasma systems were investigated on hazelnuts artificially contaminated with Aspergillus parasiticus and Aspergillus flavus spores. ...

• Evaluation of Tear Fluid and Aqueous Humor Concentration of Clusterin as Biomarkers for Early Diagnosis of Pseudoexfoliation Syndrome and Pseudoexfoliative Glaucoma 

  Can Demirdöğen, Birsen; Demirkaya-Budak, Sinem; Özge, Gökhan; Mumcuoğlu, Tarkan (Taylor and Francis Ltd, 2020-07-02)

  Purpose: Pseudoexfoliation syndrome (PEX) is an age-related disorder of the extracellular matrix characterized by the accumulation of fibrillary deposits in the anterior chamber of the eye, which leads to the development ...

• Melanogenesis Potential of EGF-Loaded Nano-Pillared Chitosan-Gelatin Films 

  Altuntas, Sevde; Dhaliwal, Harkiranpreet; Radwan, Ahmed Eid; Büyükserin, Fatih; Amiji, Mansoor (Society for Biomaterials, 2019)

  Statement of Purpose: Epidermal growth factor (EGF) has critical roles in regulation of fibroblastic activity, stimulation of keratinocytes and melanogenesis pathway. However, stability of EGF can be compromised because ...

• Uyku Analizi ve Uyku Sinyallerinin İşlenmesi 

  Eroğul, Osman (TMMOB Elektrik Mühendisleri Odası, 2019)

  [No abstract available]

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