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Browsing Fen Bilimleri Enstitüsü by Author "Ünlü, Mehmet Burçin."

Browsing Fen Bilimleri Enstitüsü by Author "Ünlü, Mehmet Burçin."

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  • A hybrid optical tweezers and photoacoustic microscopy system 
    Kipergil, Esra Aytaç. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    Photoacoustic microscopy (PAM) is a promising imaging modality that combines optical and ultrasound imaging. It takes advantage of high optical contrast and high ultrasonic spatial resolution. Conventionally, piezoelectric ...
  • A mathematical model of drug delivery by modifying the tumor microenvironment: MMP activation 
    Kaba, Duygu. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Cancer modeling has become one of the challenging frontiers of applied mathematics mostly for two decades. Drug delivery to solid tumors also attracts both theorists and experimentalists due to its signi cance in cancer ...
  • Acoustic radiation enhanced drug delivery 
    Yılmaz, Defne. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Drug development is one of the main concerns in cancer research. In recent years, lots of new drugs have been discovered in order to increase the e ciency of cancer treatment and enhance the quality of patient's life. ...
  • Active brownian particles propelled by sound 
    Kaya, Serhat. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    Small particles in acoustic elds experience the so-called acoustic radiation forces by which the motion of particles can be manipulated in a contact-less way. Active Brownian particles have the ability to propel themselves ...
  • Development of a photoacoustic microscopy system 
    Kipergil, Esra Aytaç. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    Photoacoustic microscopy (PAM), as an imaging modality, has shown promising results in imaging angiogenesis and cutaneous malignancies like melanoma, revealing systemic diseases including diabetes, hypertension, coronary ...
  • Diffusion - attenuated MR signal for paricles subject to forces or in disordered media 
    Şimşek, Kadir. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    Magnetic resonance imaging (MRI) have been advanced signi cantly since its discovery, especially in imaging soft biological structures. One of the most studied and improved technique in this eld is di usion MRI consisting ...
  • Glass welding using custom developed femtosecond fiber laser for microfluidic device development 
    Alpakut, Gizem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Microfluidic chips made of different materials are utilized in numerous examination fields, as they make it possible to screen and study distinctive processes that happen in minuscule sizes. A typical microfluidic device ...
  • Mathematical modeling of MMPS in canser 
    Yonucu, Şirin. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Social Sciences, 2012., 2012.)
    New approaches like mathematical modeling appeared in biology to explain the accumulation of extensive data about complex biological systems like tumors. Mathematical models of tumors which have been studied for over 50 ...
  • Mechanical characterization of cells and tissues by scanning acoustic microscopy and optical tweezers 
    Demirkan, İrem. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Cell and tissue mechanics has a vital role in several pathological and physiological processes. Mechanical perturbations produce numerous biological processes within a cell or a tissue, which can result in mechanical ...
  • Numerical modeling, design, and time-frequncy metrology applications of low-noise optical frequency combs 
    Şenel, Çağrı. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    Optical frequency combs are very versatile tools, which revolutionized many ar eas, and enabled novel applications, especially in time-frequency metrology. In this thesis, I tried to convey a complete picture of the road ...
  • On the radial monotonicity of the ensemble average propagator 
    Bodur, Erkam. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    The ensemble average propagator (EAP) is the di usion propagator averaged over a volume of porous medium. This mathematical tool contains substantial amount of information concerning the geometry of the underlying structure. ...
  • Photoacoustic signal characterization of cell morphology in microchannel flow 
    Uluç, Nasire. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    Photoacoustic (PA) imaging, a hybrid imaging modality, provides both functional and structural information of biological tissue by combining both optical imaging and ultrasound imaging. It takes advantages of high contrast ...
  • Photoacoustic signal detection via atomic force microscopy cantilevers 
    Demirkıran, Aytaç. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    In this thesis, we first present a custom-designed photoacoustic microscopy system (PAM) which includes two separate excitation lasers. One of these tools is a novel fiber-based laser system developed particularly for ...
  • Physical modeling of drug delivery in solid tumors 
    Öztürk, Deniz, 1977- (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Effective delivery of drugs is a major concern in cancer treatment. For a good treatment response, systemically administrated drugs must reach cancer cells in su - cient amounts, and not induce intolerable toxicity in ...
  • Physical modeling of drug transport in cancer 
    Yonucu, Şirin. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    Understanding the interaction of tumors with their microenvironment is imper ative to understand its development and to increase the efficiency of therapies. In addition to all other genetic and biochemical determinants of ...
  • Physics of bioluminescent light transport in tissue 
    Demirkıran, Aytaç. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    The main objectives of this thesis are to investigate and describe the physics of bioluminescent light transport in biological tissues, analyze the bioluminescence tomography (BLT) source reconstruction, and formulate the ...
  • Physics of diffuse optical imaging 
    Uluç, Nasire. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    Diffuse optical tomography (DOT) is a functional imaging modality which con- sists of transilluminating of a volume. This diagnosis technique is particulary useful for characterizing thick tissue especially for breast ...
  • Probing mechanical and chemical properties of biological materials by multiple modalities 
    Pesen, Medine Tuna. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    Mechanical and chemical alterations are the signature of most diseases, such as endometriosis, sickle cell, malaria, and cancer. Detecting such alterations has vital importance for early diagnosis and efficient treatments. ...
  • The role of trigger waves in cancer angiogenesis 
    Debir, Birses. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    This study includes mathematical modeling of biological observations and numer ical solutions of these models. Our study focused on different phenomenons, including; vessel formation, intracellular calcium ion concentration, ...
  • Tissue imaging with scanning acoustic microscopy and raman spectroscopy 
    Parlak, Melita. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    The morphological and mechanical characteristics of tissues are critical in biology and medicine. Furthermore, external agents might cause various modi cations in the biological samples that alter the physiological properties. ...

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