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M.S. Theses: Recent submissions

Now showing items 1-20 of 336

Predicting kidney tumor subtype from CT images using radiomics and clinical features

Şirin, Duygu. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2022., 2022)

This study aims to evaluate the performance of machine learning methods in predicting the subtype (clear-cell vs. non-clear- cell) of kidney tumors using clinical patient and radiomics data from CT images. CT images of 192 ...
Spatiotemporal graph convolutional neural networks for motor imagery EEG classification

Alramly, Ahmed Mohamed Mohamed Mohamed. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2022., 2022)

Electroencephalography (EEG) has various applications in medicine, neuro-science, and neural engineering. It records the electrical activity of the brain tissues caused by the interaction among different neuronal communities. ...
Proof-of-principle of ed-DBS (Experien-driven deep brain stimulation) in the hemiparkinson rat model

Tamer, Betül. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2022., 2022)

Parkinson’s Disease (PD) is a neurodegenerative disease characterized by the progressive loss of dopamine (DA) neurons in the substantia nigra (SN). The loss of DA leads to debilitating motor symptoms, such as tremors, ...
Assessment of effectiveness of muscle lengthening surgery in cerebral palsy using musculoskeletal modeling

Biricik, Eda. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2022., 2022)

Cerebral Palsy is a permanent movement disorder that manifests itself at early childhood, as poor coordination, and gait difficulty due to muscle spasticity and/or con tracture. Excessive knee flexion during gait e.g., ...
Effects of hamstring lengthening surgery on muscle-tendon velocities of patients with cerebral palsy

Turan, Fatma. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2022., 2022)

Cerebral Palsy (CP) is a permanent movement disorder seen in early child hood, consisting of muscle spasticity and/or contracture, and difficulty in walking due to poor selective control. In CP patients, crouch gait with ...
Investigating the bacterial adhesion behaviour on bone surface mimicked chitosan membranes

Uçak, Meltem. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2022., 2022)

An extremely serious post-op consequence of orthopedic replacement surgery is infection, which is currently challenging to treat with antibiotics. According to data, prosthesis infections correlate with biofilm formation ...
Evaluation of local oxygen consumption in human flexor digitorum suoerficialis muscle by near infrared spectroscopy

Erdoğan, Sinem Burcu. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2007., 2007.)

A strong relationship between mechanical and physiological conditions of skele- tal muscle determines the force generated by that muscle. The aim of this study was to evaluate the relationship between local oxygen consumption ...
The effect of methylphenidate on brain hemodynamics of attention-deficit/hyperactivity disorder measured by functional near infrared spectroscopy

Topaloğlu, Nermin. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2007., 2007.)

Attention-deficit/hyperactivity disorder (ADHD) is a very common neurodevelopmental disorder. Approximately 30% 60% of individuals diagnosed with ADHD in youth have symptoms that persist into adulthood. This neurobehavioral ...
Building a measurement setup for the investigation of acoustic cavitations for medical applications

Erdem, Şener. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2007., 2007.)

Various noninvasive medical treatments rely on high intensity ultrasound or shock waves. The externally generated pressure waves transfer a large amount of energy into the body. There is evidence that in all of these ...
Magnitude estimation by the non-pacinian I tactile channel

Dinçer, Şeref Mete. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2007., 2007.)

Psychophysical responses to mechanical stimuli were measured to study the sense of touch. By using a forward-masking procedure on eight subjects, magnitude estimation was performed by activating the Non-Pacinian I tactile ...
Design of the biomedical calibration laboratory quality manual for EN 17025: 2005

Doğu, Hande. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2007., 2007.)

According to the New Approach Directives, the CE Marking is obligatory for medical products: the manufacturer affixes this marking in order to be allowed to sell his product in the European market. CE marked devices can ...
Design of a wide range kVp-meter

Tümer, Murat. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2007., 2007.)

The kVp setting is one of the major factors affecting the image quality in X-ray imaging and should be annually measured and calibrated if necessary. In this thesis, a kVp-meter is designed and a prototype unit was built ...
Design of a Wi-Fi based electrocardiography monitoring system

Kocatürk, Mehmet. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2007., 2007.)

The objective of this project is to design a wireless ECG monitoring system which enables the tracking of ambulatory patients' cardiac activities on a central server. A developed software run on a server and the client ...
Investigating lipid signaling in rat hippocampal slices with patch-clamp tight seal whole cell recording technique

Genç, Özgür. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2007., 2007.)

Ceramide, besides its structural role in cell membrane as a sphingolipid, has essential roles in apoptosis, cell growth and di erentiation. In this study, the e ect of C2-ceramide (10 μM) application on whole cell currents ...
Bayesian EEG source reconstruction using Markov chain Monte Carlo methods

Yıldız, Gökçen. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2007., 2007.)
Robust design of breast scintigraphy collimator using Monte Carlo Simulations and response surface methodology

Balta, Sinem. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2007., 2007.)

Breast Scintigraphy, a nuclear medicine breast imaging technique, is a supplemental breast exam that is used in patients to investigate a breast abnormality. It is not a primary investigative tool for breast cancer but it ...
Design and instrumentation of a coronary care unit

Kireçyan, Ari. (Thesis (M.S.) - Bogazici University. Institute of Biomedical Engineering, 1985., 1985.)

In this study, the main principles that must be obeyed in the design and equipment selection of a coronary care unit are investigated along with the architectural steps which could be used in the establishment of such a ...
Evaluation of the continuous detector concept for PET systems dedicated to small animals by using the Monte Carlo simulation method

Ertürk, Sakine Şebnem. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2007., 2007.)

A detector design especially for small animal PET systems requires taking into account three main factors: these are high energy and spatial resolution and price. When examining the state-of-the-art PET detectors, it can ...
Design and implementation of an ECG based emergency telediagnostic system

Dilber, Baran. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2006., 2006.)

This thesis aims for the design and implementation of a software system for distributed emergency diagnosis to be used in conjunction with ambulatory electrocardiography (ECG/EKG) devices. The software consists of a Digital ...
Design of an embedded communication framework for an amergency telecardiology system

Yıldırım, Onur. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2006., 2006.)

Acute myocardial infarction (AMI or MI) occurs whwn a part of the heart muscle dies because of sudden total interruption of blood flow to that area. Itis a life-threatening medical emergency which demands immediate activation ...

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