Yazar "Öztürk, Sadullah" için listeleme
-
Ameliyathane Hava Kalitesi İzleme Sistemi
Karaman, Fulya (Fatih Sultan Mehmet Vakıf Üniversitesi, Lisansüstü Eğitim Enstitüsü, 2022)Bu tez çalışması kapsamında, ameliyathane ortamındaki kirleticilerin konsantrasyonlarının takibi için iç hava kalitesi cihazı geliştirilmiştir. Geliştirilen cihaz; iç ortamda bulunan kirleticilerin konsantrasyonlarını LoRa ... -
Detail Investigation on Success of the Filters and Classification Algorithms for Determining Pneumonia Disease
Bilir, Sena; Öztürk, Sadullah (Institute of Electrical and Electronics Engineers Inc., 2021)Today, as a result of the widespread use of electronic stethoscopes, lung sounds can be recorded and transferred to a computer. Thus, it was possible to analyze the lung sounds. Healthy lung sounds are called normal ... -
Effect of Intrinsic Polymer Properties on the Photo Sensitive Organic Field-effect Transistors (Photo-OFETs)
Kösemen, Zühal Alpaslan; Kösemen, Arif; Öztürk, Sadullah; Canımkurbey, Betül; San, Sait Eren; Yerli, Yusuf; Tunç, Ali Veysel (Elsevier, 2016)In this work, we have demonstrated how the intrinsic properties of a conjugated polymer can influence the electro-optical characteristics of photo sensitive organic field - effect transistors (Photo-OFETs). Photo-OFETs ... -
Effects of Copper Fillers on Mechanical and Electrical Properties of Selective Laser Sintered PA 12-Cu Composites
Özbay, Burçin; Bekem, Aylin; Serhatlı, İ. Ersin; Öztürk, Sadullah; Bulduk, Enes (Taylor & Francis Group, 2021)Selective Laser Sintering (SLS) is a widely used additive manufacturing (AM) technique for creating 3D geometries by adding materials in layers. Although neat polymer is mainly used in powder forms for production, organic ... -
Electrochemical Growth of Pd Doped ZnO Nanorods
Kösemen, Arif; Kösemen, Zühal Alpaslan; Öztürk, Sadullah; Kılınç, Necmettin; San, Sait Eren; Tunç, Ali Veysel (The Electrochemical Society, 2015)In this work, dense arrays of pure and Pd doped zinc oxide (ZnO) nanorods (NRs) were fabricated by an electrochemical growth. Pure and Pd doped ZnO NRs were characterized via scanning electron microscopy (SEM), X-ray ... -
Electrochemically Growth of Pd Doped ZnO Nanorods on QCM for Room Temperature VOC Sensors
Öztürk, Sadullah; Kösemen, Arif; Kösemen, Zühal Alpaslan; Kılınç, Necmettin; Öztürk, Zafer Ziya; Penza, Michele (Elsevier, 2016)Pristine and various palladium (Pd) doped ZnO nanorods have been synthesized on the quartz crystalmicrobalance (QCM) for volatile organic compound (VOCs) sensors at room temperature. The dopingconcentrations were varied ... -
Elektronik Stetoskop ile İnsanlarda Pnömatik Solunum Bozukluğunun Tespiti ve Analizi
Bilir, Sena (2022)Akciğer seslerinin analizlerini kolaylaştırmak amacıyla bazı terimler kullanılmaktadır. Buna göre, sağlıklı insanların seslerine normal sesler, hasta insanların seslerine anormal sesler denir. Anormal sesler, normal seslerin ... -
Ev Tipi Fototerapi ve Bilirubinmetre Cihazı
Okur, Kerime Ebrar; Bilir, Sena; Karahan, Betül; Çalış, Esra; Öztürk, Sadullah (Fatih Sultan Mehmet Vakıf Üniversitesi Biyomedikal Elektronik Tasarım, Uygulama ve Araştırma Merkezi, 2017-05-16)Fototerapi; özel ledler veya florasan lambalar ile kurulu bir düzenek olup, yeni doğan sarılığının tedavisinde kullanılan önemli bir yöntemdir. Hastanede tedavi gören bebeklerin, tedavi süresince anneden uzak kalması ... -
High Mobility and Low Operation Voltage Organic Field Effect Transistors by Using Polymer-Gel Dielectric and Molecular Doping
Kösemen, Zühal Alpaslan; Kösemen, Arif; Öztürk, Sadullah; Canımkurbey, Betül; Yerli, Yusuf (Elsevier, 2017)In this work, we present a method to increase the performance in solution processed organic field effect transistors (OFET) by using gel as dielectric and molecular doping to the active organic semiconductor. In order to ... -
Isıtıcılı Manyetik Karıştırıcı
Çavusoğlu, Ayşenur; Erdoğan, Ayşe; Öztürk, Sadullah (Fatih Sultan Mehmet Vakıf Üniversitesi Biyomedikal Elektronik Tasarım, Uygulama ve Araştırma Merkezi, 2017-05-16)Bu çalışmada ısıtma değeri ve karıştırma hızı tuş takımı ile kontrol edilebilen manyetik karıştırıcı cihazı geliştirilmiştir. Manyetik karıştırma cihazları Günümüzde, fizik, kimya ve biyoloji laboratuvarlarında ilaçların ... -
Kelepçesiz Tansiyon Aleti Analizi ve Tasarımı
Karaçay, Sena Nur Acar (Fatih Sultan Mehmet Vakıf Üniversitesi, Lisansüstü Eğitim Enstitüsü, 2022)Tansiyonun ölçülmesi ve sürekli izlenmesi, hipertansiyon başta olmak üzere bir çok kalp hastalığının erken teşhis edilmesinde çok önemli rol oynar. Bu çalışmada kelepçesiz tansiyon aleti analizi ve tasarımı amaçlanmıştır. ... -
Low-cost VIS/NIR Range Hand-held and Portable Photospectrometer and Evaluation of Machine Learning Algorithms for Classification Performance
Heydarov, Saddam; Aydın, Musa; Faydacı, Çağrı; Suha, Tuna; Öztürk, Sadullah (Elsevier B.V., 2022)In this study, the electronic design of a low-cost and portable spectrophotometer device capable of analyzing in the visible-near infrared region was established. The design of C#.NET-based user-friendly device control ... -
Nefes Alkol Ölçümü
Özekinci, Mervan; Öztürk, Sadullah (Fatih Sultan Mehmet Vakıf Üniversitesi Biyomedikal Elektronik Tasarım, Uygulama ve Araştırma Merkezi, 2017-05-16)Trafikte yılda milyonlarca insan kazalara, yaralanmalara ve hatta ölümlere sebep olan alkollü trafiğe çıkma sorununa karşı pratik, hızlı ve güvenilir şekilde bir çözüm bulmak için bu çalışmaya karar verilmiştir. Bu ... -
Pd Thin Films on Flexible Substrate for Hydrogen Sensor
Öztürk, Sadullah; Kılınç, Necmettin (Elsevier, 2016)In this work, palladium (Pd) thin films were prepared via RF sputtering method with various thicknesses (6 nm, 20 nm and 60 nm) on both a flexible substrate and a hard substrate. Hydrogen (H2) sensing properties of Pd ... -
Performance Enhancement of Inverted Type Organic Solar Cells by Using Eu Doped TiO2 Thin Film
Örnek, Osman; Kösemen, Zühal Alpaslan; Öztürk, Sadullah; Canımkubey, Betül; Fındık, Şaban; Erkovan, Mustafa; Kösemen, Arif (Elsevier, 2017)In the present work, europium (Eu) has been used as a dopant element in titanium dioxide (TiO2) crystal structure to enhance the photovoltaic performance of the inverted type organic solar cells fabricated with TiO2 thin ... -
Performance Improvement in Photosensitive Organic Field Effect Transistor by Using Multi-Layer Structure
Kösemen, Zühal Alpaslan; Kösemen, Arif; Öztürk, Sadullah; Canımkubey, Betül; Erkovan, Mustafa; Yerli, Yusuf (Elsevier, 2019)In this study, a new approach was introduced for Photo-OFETs as a multi-layer structure. Poly(3-hexylthiophene- 2,5-diyl) regioregular (P3HT) and Copper(II) phthalocyanine (CuPc) thin films were used as two different ... -
Poly(3-Methylthiophene) Thin Films Deposited Electrochemically on QCMs for the Sensing of Volatile Organic Compounds
Öztürk, Sadullah; Kösemen, Arif; Şen, Zafer; Kılınç, Necmettin; Harbeck, Mika (Multidisciplinary Digital Publishing Institute, 2016)Poly(3-methylthiophene) (PMeT) thin films were electrochemically deposited on quartz crystal microbalance QCM transducers to investigate their volatile organic compound (VOC) sensing properties depending on ambient ... -
Room-Temperature Sensing of Volatile Organic Compounds Using Graphene
Şen, Zafer; Öztürk, Sadullah; Harbeck, Mika; Öztürk, Zafer Ziya (Minnesota University, 2019)Graphene-based sensors are mostly studied in terms of their responses to inorganic gases such as various nitrogen oxides or ozone. In this work, chemically derived graphene (CDG) is assessed in terms of its gas sensing ... -
Volatile Organic Compounds and Dimethyl Methyl Phosphonate (DMMP) Sensing Properties of the Metal Oxide Functionalized QCM Transducers at Room Temperature
Kösemen, Arif; Öztürk, Sadullah; Şen, Zafer; Alpaslan Kösemen, Zühal; Harbeck, Mika; Öztürk, Zafer Ziya (The Electrochemical Society, 2017)ZnO nanorods were synthesized directly on the mass sensitive transducer elements, namely the quartz crystal microbalance (QCM), by electrochemical deposition techniques. Besides, vanadium pentaoxide (V2O5) thin films were ...