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Recent submissions

Biyomedikal Mühendisliği Enstitüsü: Recent submissions

Toplam kayıt 423, listelenen: 281-300

An MR-SAFE nitinol guidewire design for intravascular applications

Başar, Burcu. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2016., 2016.)

Magnetic resonance imaging (MRI) o ers excellent soft tissue contrast and radiation free imaging. Conventional guidewires employ long metallic materials for versatility and mechanical characteristics, and are subject to ...
Inter and intra-individual behavioral variability predicted by neural activity in the multiple demand network

Assem, Moataz. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2016., 2016.)

A wide range of cognitive tasks consistently identify a Multiple Demand (MD) network in frontal and parietal brain regions. Its activity is closely linked to executive functions (EFs) such as attention, task switching, ...
Development of a computer controlled fabrication system for interventional magnetic resonance imaging device production

Yıldırım, Dursun Korel. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2016., 2016.)

Magnetic Resonance Imaging (MRI) is a promising candidate against X-Ray uoroscopy for interventional cardiovascular procedures due to its ionizing radiation free mechanism and superior soft tissue contrast. However, ...
Reliability improvement of computer aided diagnostic system using mutual information

Polat, Esra. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2016., 2016.)

Computer aided diagnosis (CAD) is one of the most important topic in recent years since the systems are able to provide a second reliable opinion to physicians and early diagnosis with these systems are possible. In this ...
Evaluation of a fuzzy logic based computer aided diagnosis system for chest x-ray nodule detection and characterization

Öztürk, Nurhan. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2015., 2015.)

Computer aided systems has a crucial importance on lung nodule studies, since lung cancer is the leading cause of cancer related death for both men and women worldwide. Accurate characterization of lung nodules as malignant ...
Protein adsorption on amino acid conjugated self assembled molecules

Eren, Sezin. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2015., 2015.)

In this thesis, novel amino acid (conjugated histidine, leucine, serine, tryptophan) conjugated self-assembled molecules (SAMs) were synthesized and used to modify model metallic [Gold, (Au)] and inorganic [Silicon Oxide, ...
Effect of tumor delineation strategies on ANN classification accuracy in lung cad

Arslan, Adem Cihan. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2015., 2015.)

Lung Cancer is a serious illness and patient survival rate depends on early and accurate detection. CAD systems are commonly used for detection and characterization of nodules. The type of tumor segmentation algorithm or ...
Functional connectivity during rest and task : a study based on graph theoretical metrics

Neşe, Hüden. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2015., 2015.)

In this study, task-related network organization were examined, and the association between network integration at rest and cognitive performance was investigated using n-back task. Global e ciency, local e ciency and ...
Investigation of the heating effect of MRI on the patients with metallic orthopaedic implant materials

Bilgin, Mehmet Salih. (Thesis (M.S.) - Bogazici University. Institute of Biomedical Engineering, 1999., 1999.)

It is increasingly becoming common that orthopaedic patients are having implant materials in their body. On the other hand MRI with its potential diagnostic value can not be utilised well on the patients with metal implants ...
Probabilistic determination of brain tumor locations

Çotur, Yasin. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2015., 2015.)

Determination of the origin of tumor locations is an important issue in terms of diagnosis and treatment of patients with glioma. The aim of this study was to determine and analyze a probabilistic brain tumor map reflecting ...
Ablation efficiency and thermal damage of infrared lasers on ex vivo lamb brain tissues

Özgürün, Baturay. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2015., 2015.)

The objective of this investigation is to guide to select the most su cient infrared laser for the neurosurgery. For this reason, 1940-nm thulium ber laser, 1470- nm diode laser, 1070-nm ytterbium ber laser and 980-nm ...
Time-windowed block for unmyelinated fibers in the sciatic nerve of the frog

Kocatürk, Samet. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2015., 2015.)

An arti cial sensation can be produced in neuroprotheses by functional electrical stimulation of the sensory bers in the peripheral nerves. The stimulation amplitude has e ects on the perceptive eld and the sensation ...
The clinical performance evaluation of tablet, large screen tv and medical grad monitors for teleradiology and general use purposes

Rikabad, Roya Nouri. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2015., 2015.)

One of the most important points in the whole process in digital radiology is to have high quality displays due to deteriorate any information received data acquisition and image processing phases. Nowadays the common ...
Investigation of the effects of FMOC amino acids modifications to osteoblast behaviour on RGO / Ti surface

Dönmez, Elif. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2015., 2015.)

In this thesis, adhesion, proliferation and morphology of osteoblast cells on functionalized RGO/Ti surface were investigated. Firstly, amino-functionalization with 3- aminopropyl phosphonic acid (APA) molecules on Ti ...
Design of a computer-controlled current stimulator for neree and muscle excitation

Arar, Mahmud Esad. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2015., 2015.)

Electrical stimulation of excitable tissues has been widely used for diagnosing and treating neurological and muscular disorders. Electrical stimulation is also used to analyze and understand inherent functions of nerves ...
MRI assessment of local deformations along human medial gastrocnemius muscle fibers on submaximal plantarflexion activity

Karakuzu, Agah. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2015., 2015.)

Comprehensive understanding of the mechanical interactions between skeletal muscles within their integral system of connective tissues requires simultaneous quanti cation of the architecture, force and deformation during ...
MRI analyses in the lower LEG to assess mechanical effects of drop foot taping applied over M.tibialis anterior

Aklar Çörekçi, Ayça. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2015., 2015.)

Kinesio Taping (KT) is used by physiotherapists e.g., to reduce adhesions in the fascia. Leading to disorganization of connective tissue after trauma, underlying muscle tissue may not function optimally and the circulation ...
Novel mouthpiece device design for the treatment of mild to moderate obstructive sleep apnea

Zülfikar, Sefa. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2015., 2015.)

Sleep is essential for good health and well-being of humans and it lasts for one third of a person's lifetime on average. Therefore, sleep disorders must be taken care quite seriously. Obstructive sleep apnea syndrome ...
Photothermal ablation of liver tissue with 1940-NM thulium fiber laser: ablation efficiency and temperature measurements

Alshorafa, Heba Alagha. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2015., 2015.)

The purpose of this study was to investigate the effectiveness of 1940-nm Thulium fiber laser for liver surgery. This was done by determining the ablation efficiency of different working modes and power settings of 1940-nm ...
Electromagnetic compatibility of hearing aids with digital mobile phones

Yürekli, Ali İhsan. (Thesis (M.S.) - Bogazici University. Institute of Biomedical Engineering, 1997., 1997.)

When the intensity of emissions from a radio transmitter varies at an audible rate, it causes interference on sensitive electronic equipment. Hearing aid user complaints caused by this kind of interference were increased ...

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