Browsing Ph.D. Theses by Title

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  • Assessment of effects of botulinum toxin on muscle mechanics 
    Türkoğlu, Ahu Nur. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2015., 2015.)
    E ects of widely used Botulinum toxin (BTX) treatment on muscular mechanics are highly important, but their mechanism and time course are not well understood. Present thesis is focused on mechanical mechanism of BTX treatment ...
  • Assessment of local muscle deformations using multi-modal imaging and finite element modeling 
    Pamuk, Uluç. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2019., 2019.)
    In vivo assessment of muscle deformations, including influence of non-muscular tissues such as NVTs, aponeuroses, fasciæ or overlying skin, is key due to functional relevance of tissue connectivity within limb. In integral ...
  • Bioimpedance spectroscopy in prediction of type I osteoporosis in menopaused women 
    Matur, Fırat. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2021., 2021.)
    Bone mineral density (BMD) is a measure of survival for men and women, and it is used to diagnose Osteoporosis that can be diagnosed and treated with an e ective screening. We measured bioimpedance spectroscopy (BIS) ...
  • Biological effects of electromagnetic fields at mobile telecommunication frequencies 
    Yürekli, Ali İhsan. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2006., 2006.)
    The increasing use of cellular phones and increasing number of base stations are becoming awidespread source of non-ionizing electromagnetic radiation. The immediate biological effectof electromagnetic (EM) radiation is ...
  • Biomedical applications of sharkskin mimicked polymeric membranes 
    Rostami, Sabra. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2022., 2022.)
    Infection is one of the biggest challenges of implantable biomaterials. The diffi culty of eliminating implant-associated infection imposes a huge burden on the patient's life quality aside from the considerable financial ...
  • Biomimetic polydimethylsiloxane cell substrate design for enhanced in vitro cellular behavior 
    Öztürk, Meftune Özgen. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2021., 2021.)
    Recent developments in cell-based therapies and toxicological investigations re veal the need for well-designed, stable and flexible cell substrates. Mimicking the natu ral cellular microenvironment by altering cell substrate ...
  • Biophysical approaches for modulating neural differentiation 
    Özgün, Alp. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2021., 2021.)
    Neural differentiation of stem cells is central to regenerative strategies towards neurodegenerative diseases. The vast majority of literature shows chemical, biochem ical and genetic approaches to control and utilize ...
  • Characterization of Au, Au/GO and Au/rGO surfaces for carotid endothelial cell proliferation by electrical impedance spectroscopy method 
    Şimşek, Fatma Gülden. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2020., 2020.)
    Endothelium dysfunction may be the cause of cardiovascular diseases such as heart attack, aneurysm, or atherosclerosis. Thus understanding endothelial cell properties helps explaining the reasons and treatment of cardiovascular ...
  • Clinical grade active guidewire and catheter for interventional cardiovascular MRI 
    Kocatürk, Özgür. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2009., 2009.)
    The success and safety of interventional magnetic resonance imaging (MRI) procedures requires conspicuous intravascular instruments that can be distinguished from surrounding tissues. In this dissertation work, an "active" ...
  • Clinical grade active guidewire design for cardivascular interventional MRI 
    Sönmez, Merdim. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2013., 2013.)
    In cardiovascular interventions, magnetic resonance imaging (MRI) can be used as an alternative to X-ray uoroscopy to address problems such as soft tissue contrast and exposed ionized radiation. In recent years, advances ...
  • Clinical grade medical device technologies for interventional cardivascular magnetic resonance imaging procedures 
    Yıldırım, Dursun Korel. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2021., 2021.)
    Magnetic Resonance Imaging (MRI) is a promising candidate against X-ray fluoroscopy for the image-guidance of minimally invasive procedures thanks to its ion izing radiation-free, exquisite soft tissue contrast and ability ...
  • Customizable TDI-based whole body X-ray scanner 
    Durmaz, Fevzi Aytaç. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2020., 2020.)
    Medical X-ray systems are the gold standard in certain cases of medical diagnostics for over 100 years. The main scope of our studies is to develop a new full-body X-ray scanner device using line scanner detectors, and a ...
  • Deep learning approaches for the localization of capsule endoscope 
    Altuğ, Kutsev Bengisu. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2021., 2021.)
    Deep learning techniques hold promise to develop dense topography reconstruc tion and pose estimation methods for endoscopic videos. However, currently available datasets do not support effective quantitative benchmarking. ...
  • Depth assessment of an absorber in a semi-infinite medium by continuous wave diffuse reflectance 
    Aksel, Ertuğrul Burteçin. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2018., 2018.)
    A method to locate an absorber embedded in a semi-in nite turbid medium by spatially-resolved continuous-wave di use re ectance measurements is introduced. The possible of use the method as a priori information in di use ...
  • Design and application of compartmentalized platforms for neurobiological research 
    Çetinkaya Fışgın, Aysel. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2016., 2016.)
    Conventional culture systems remain inadequate for comprehensive understanding of injury and regeneration in peripheral neurons that extend axons over long distances and through varying extracellular microenvironments. ...
  • Design and development of thulium laser system for medical applications 
    Bilici, Temel. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2012., 2012.)
    The Thulium (Tm:YAP) laser is suitable for medical applications due to strong absorption in water. In this thesis, a computer controlled Tm:YAP laser system with a power output up to 1 W and emission wavelength of 1980 nm ...
  • Design of a colimator for breast-specific GAMMA imaging and assesment of nec rate for a pet scanner using monte carlo simulations and response surface methodology 
    Talat, Didar. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2016., 2016.)
    This thesis is composed of two studies that demonstrate the implementation of Monte Carlo (MC) simulations and response surface methodology (RSM) to speci c problems in planar and tomographic nuclear medicine imaging. In ...
  • Design of a dynamic optical property monitoring system: Studying the effect of temperature change 
    Kara, Ercan. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2018., 2018.)
    In laser applications, it is necessary to know the tissue optical properties before the treatment and how they change during the treatment. The optical monitoring system with double-integrating-sphere having a special ...
  • Detailed analysis of voxel based morphometry 
    Okur, Özlem Özmen. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2016., 2016.)
    Voxel Based Morphometry, VBM, is one of the most widely used brain morphometry methods which aims to reveal the structural differences between the brain MR images of different populations. It is a whole brain and fully ...
  • Detection and assessment of cardiac patent foramen ovale 
    Parlak, İsmail Burak. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2013., 2013.)
    Arterial microemboli are gas lled structures which are formed in intravascular and extravascular environment. They are characterized in spherical or ellipsoid forms which would cause diseases in a broad range from stroke ...

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