Bogazici University Digital Archive: Recent submissions

  • Design of a transtelephonic ECG and thermometer device using the mobile phone 
    Yazıcı, Yüksel. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2005., 2005.)
    The need of effective and low cost personal and emergency monitoring telmedicine solutions are the main concerc of this porject. The patients who have heart diseases, ambulances are common example of possible emergency ...
  • Spatial analysis of event related brain potentials (ERP) by wavelet transform 
    Bayram, Ali. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2005., 2005.)
    Localization of the cognitive activity in the brain is one of the major problems inneuroscience. Current techniques for neuro-imaging are based on fMRI, PET, and ERPrecordings. The highest temporal resolution, which is ...
  • Formation of Turkish norms in gait analysis 
    Yılmaztürk, Şule. (Thesis (M.S)-Bogazici University.Institute of Biomedical Engineering, 2005., 2005.)
    In this study, a normative database of basic gait parameters, kinematics and kinetic patterns for 181 normal subjects with the ages of four, five, seven, eight, nine, sixteen, seventeen, eighteen and twenty is reported. ...
  • Establishing biomedical equipment maintenance programs for hospitals in Turkey 
    Erdim, Gülsün. (Thesis (M.S.) - Bogazici University. Institute of Biomedical Engineering, 1985., 1985.)
    The function of a hospital is to meet the acute health needs of the community it serves. Biomedical instrumentation maintenance programs have been established to help hosp-itals meet these needs through the effective use ...
  • Design of a pressure and flow measuring equipment for medical use 
    Kaçur, Gülşah. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2005., 2005.)
    Accuracy and reliability of measurements play a very important role in health-careregardless of the field which may be therapy, diagnosis or life support. Medical equipment,on the other hand, is subject to failure due to ...
  • A new hardware design for cardiac passive acoustic localization 
    Civelek, Yahya. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2005., 2005.)
    Heart sounds contain valuable information about the function of the heart; expert clinicians can diagnose many heart disorders by listening to these sounds. One dimensional visual representation of heart sounds called ...
  • Wireless functional optical imager 
    Karaca, Serkan. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2005., 2005.)
    Functional imaging of brain offers the capability to investigate cerebral blood circulation and oxygen metabolism, as well as activity levels of the nervous system. In recent years, technological progress in biophotonics ...
  • Evaluation of renal function using first pass contrast enhanced MRI 
    Saldoğan, Okan. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2005., 2005.)
    Magnetic Resonance Imaging (MRI) of the kidney has a great potential because the functional parameters, which can be investigated obtained noninvasively are multiple: glomerular filtration, tubular concentration and transit, ...
  • Non-invasive monitoring of gastric motility in humans 
    Özcan, Koray. (Thesis (M.S)-Bogazici University.Institute of Biomedical Engineering, 2005., 2005.)
    Stomach is an organ of gastrointestinal system where the food coming from the mouth through the esophagus is mixed by the rhythmic contractions of the smooth muscles, with acid and other gastric secretions. The control of ...
  • Measurement of vibrotactile thresholds of the non-pacinian channel 
    Kalkancı, Özge. (Thesis (M.S)-Bogazici University.Institute of Biomedical Engineering, 2005., 2005.)
    The aim of this study is to measure the thresholds of the Non-Pacinian I (NP I)channel which is believed to be mediated by rapidly-adapting (RA) fibers. Thresholds of the NP I channel were measured using a two-interval ...
  • Comparison of iterative closest point (ICP) and thin-plate splines methods for the 3-D image registration 
    Parlak, İsmail Burak. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2005., 2005.)
    In medical image registration, algorithm choice and its application on images depend on the localization and where and how images are acquired. In this study, a linear algorithm; Iterative Close Point and an elastic method; ...
  • Source localization of electrical dipoles in electroencephalogram (EEG) 
    Duru, Adil Deniz. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2004., 2004.)
    As a noninvasive neuroimaging method, the dipole source localization of brain electrical activity has a much higher temporal resolution when compared with the functional magnetic resonance (fMRI) or Positron Emmision ...
  • Design of a video laryngeal stroboscopy system for studying vocal fold pathology 
    Işık, Gökhan. (Thesis (M.S.)-Bogazici University. Institute of Biomedicail Engineering, 2004., 2004.)
    Video Laryngeal Stroboscopy (VLS) is a stroboscopic imaging technique that allows observations of standstill and slow motion images of vibrating vocal folds. It is a valuable tool for studying vocal fold pathology, for ...
  • System characterization for a fast optical imager 
    Emir, Uzay Emrah. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2003., 2003.)
    In contrast to morphological imaging, functional imaging captures information about the functioning for living tissues, such as blood circulation and oxygen metabolism, cerebral nervous system, and changes in cromophore ...
  • Virtual gamma camera for educational purposes 
    Yılmaz, Ozan. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2003., 2003.)
    Nuc1ear medicine is a medical specialty that uses painless, safe, and cost- effective techniques to image the body and treat disease. In nuc1ear medicine, very small amounts of radioactive materials or radiopharmaceuticals ...
  • A database management system for nuclear medicine 
    Dentes, Selim. (Thesis (M.S.) - Bogazici University. Institute of Biomedical Engineering, 199., 1985.)
    The purpose of this thesis is to develop a databank of Nuclear Medicine activities in Turkey. Until recently, no databanks existed in any field in Turkey. This was because the available technology was insufficient to ...
  • Detection of venous gas bubbles with computerized doppler ultrasound 
    Tufan, Kadir. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2003., 2003.)
    Venous Gas Embolism (VGE) may occur during the brain and neck surgery where the operative site is higher than the heart. Medium where the pressure changes significantly like diving, aviation and space missions also promote ...
  • Load independent trajectory control for an artificial muscle 
    Yaman, Alper. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2003., 2003.)
    In this study, the hysteretic characteristics of pneumatic McKibben artificial muscle were investigated to develop an alternative trajectory control method to traditional PID (Proportional-Integral-Derivative) controller ...
  • Microsphere based optical biosensors 
    İşçi, Şenol. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2003., 2003.)
    Optical microsphere resonators have recently utilized in quantum optics, laser science, spectroscopy, and optoelectronics and attracted increasing interest due to their unique optical properties. Microspheres possess high ...
  • Time-frequency analysis of event related brain potentials elicited with four different cognitive paradigms 
    Keskin, H. Yasemin. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2003., 2003.)
    Event related potentials (ERPs), which reflect fundamental cognitive operations, are generated by the parallel and/or the sequential processing of different neural groups in the brain. In time domain representation of ERPs, ...

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