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M.S. Theses: Recent submissions

Now showing items 121-140 of 336

Predicting Von Hippel Lindau (VHL), Polybromo-1 (PBRM1) mutations and stages of clear cell renal cell carcinoma from computed tomography images by machine learning

Ökmen, Harika Beste. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2019., 2019.)

RCC is the most prevalent renal malignancy and ccRCC is the most common subtype of RCC. It is reported that the prognosis has a strong association with VHL alteration. It is also reported that PBRM1 gene, second most common ...
Botulinum toxin type a spread into non-injected antagonistic muscles causes increased extracellular matrix collagen

Akcan, İsmail Orkun. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2019., 2019.)

The present study aims at assessing effects of Botulinum toxin type A (BTXA) on the targeted medial and lateral gastrocnemius muscles in terms of muscle forces and connective tissue content. The particular goal is to test ...
A novel left atrial appendage occluder design

Baykan, Almila Ceren. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2019., 2019.)

Percutaneous left atrial appendage (LAA) occlusion is a viable nonpharmalogical alternative for prevention of thromboembolic stroke in patients with atrial fibrillation (AF), especially for the patients who are unable to ...
Patient specific musculoskeletal modeling to relate intra operative muscle force data to gait in cerebral palsy

Can, Utku. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2019., 2019.)

Increasedpathologicalresistanceagainstkneeextensionisacharacteristicpathological condition in cerebral palsy (CP). Active and passive forces of spastic knee ﬂexor muscles have been associated with the high forces which ...
Treatment of standardized femoral osteotomies using extracorporeal shockwave therapy (ESWT)

Utku-Bilgen, Feride Şermin. (Thesis (M.S.) - Bogazici University. Institute of Biomedical Engineering, 2001., 2001.)

ESWT is used in treatment of pseudoarthrosis and may also be considered for distraction osteogenesis (callus lengthening) operations. In this study, effects of ESWT on the callus were studied. On 20 male, ten-week-old ...
Non-contact breathing abnormality detection using machine learning

Erdoğan, Sefa. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2019., 2019.)

Respiratory diseases are widely seen in the world and they are not seriously handled until they start aﬀecting the patient’s life very badly. Respiration motion contains information about the patient’s health status which ...
Development of cancer theraphy with ICG-PDT supported by gold nanoparticles

Salta Savaş, Sena. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2019., 2019.)

Photodynamictherapy(PDT)isanapplicationbasedonthekillingofunwanted cells with photochemical reactions based on photosensitizer induced by light at an appropriate wavelength and the use of oxygen in the environment. Spherical ...
Design of virtual environment for discrimination tasks to determine the psychometric function

Hasekioğlu, Taha. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2019., 2019.)

In this thesis, we used the Gazebo simulation software to develop a virtual environment for interactions of objects to perform psychophysical tasks to distinguish between objects at differing stiffnesses. The virtual ...
Comparing bacterial colonization of laser etched and acid etched enamel in bonding orthodontic ceramic brackets

Sofuoğlu, Sibel. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2019., 2019.)

The aim of this project comparing bacterial colonization of laser etched and acid etched enamel in bonding orthodontic ceramic brackets and also to develop a method which reduces the risk of enamel demineralization and ...
Image reconstruction in dental tomosynthesis with stationary detector

Sur, Yunus Burak. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2019., 2019.)

Tomosynthesis is an imaging modality for analyzing anatomical structures. X-ray images from different angles are used for reconstruction in tomosynthesis. In contrast to computed tomography, X-ray tube moves around a ...
Surface based morphometry in Alzheimer's disease

Uluğ, Esma Ece. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2019., 2019.)

Alzheimer’s disease( AD) is aneurodegenerativedisorderespeciallyaﬀectingthe elderlypopulationwhichisgrowingworldwide. Inthisstudy, surface-basedmorphometry analysis was performed on anatomical MR images of patients with ...
Design and optimization of a miniature actuator using shape memory alloy (SMA) wires

Teymoori, Morteza. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2019., 2019.)

Microﬂuidic systems have proven to be very beneﬁcial in many ﬁelds such as chemical and biomedical sciences. The reduced sample volume, among many other advantages attracts researcher’s attention to this technology. ...
Tactile processing and vibrotactile discrimination capacity in children with Tourette Syndrome

Eşen, Ürün. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2019., 2019.)

Tourette Syndrome (TS) is a childhood-onset developmental psychiatric disorder. Pediatric patients are diagnosed with TS if they show multiple motor tics and at least one vocal tic for at least one year. The tic severity ...
Multiple-parameter optimization of the SLN spect / CT imaging protocol using Monte Carlo Simulation for precision medicine

Yıldız, Hilal. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2019., 2019.)

The most encountered cancer type among women is the breast cancer. Advanced clinical treatment applications are currently present, and the effectiveness of treatment is closely related to early diagnosis. Detectability of ...
A multi-channel biotelemetry system for the acquisition and processing of respiratory sounds

Çiftçi, Rifat Koray. (Thesis (M.S.) - Bogazici University. Institute of Biomedical Engineering, 2001., 2001.)

Respiratory disorders can be diagnosed by analyzing respiratory sounds produced during breathing. Main tool for physicians to analyze respiratory sounds is stethoscope. Developing a system capable of acquiring and ...
Novel flat interface nerve electrode (FINE) design by electrically driven shape memory alloys (SMAs)

Şahin, Abdülsamet. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2019., 2019.)

Flat Interface Nerve Electrodes (FINE) reshape the nerve, which results in an oval geometry and causes the fascicles to be arranged on an axis. In this way, they can provide selectivity at the fascicle level without ...
Decellularization and characterization of leek :|a potential cellulose-based biomaterial

Toker, Melis. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2019., 2019.)

The main purpose of tissue engineering is to regenerate damaged tissues by using three-dimensional (3D) scaffolds, which mimic the in vivo cellular milieu. Currently scaffolds are obtained from human donors or animal ...
Optimizing SH-SY5Y cell differentiation into neurons and investigating the effects of flavonoids on neurodegeneration

Şahin, Meryem. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2019., 2019.)

Parkinson’s disease is the second most common neurodegenerative disease both in Turkey and in the world. The studies show the eﬀects of inﬂammatory mechanisms and reactive oxygen species in the neurodegenerative diseases. ...
Acoustic impedance measurement of tissue mimicking phantoms by using scanning acoustic microscopy

Altun, Burak. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2019., 2019.)

Phantoms are imaging objects used as stand-ins for human tissues to guarantee that algorithms and methods for monitoring the human body are functioning properly. Thus, characterization of them prior to clinical trials plays ...
Comparison of mega-press and short echo time press on classification of IDH mutation using machine learning at 3T

Gürsan, Ayhan. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2019., 2019.)

Malignant glioma is a type of frequent and lethal cancer the brain. Recent World Health Organization (WHO) criteria has included genetic mutations in glioma classiﬁcation. One of these mutations, isocitrate dehydrogenase ...

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