Recent Submissions

  • MR safety watchdog for active catheters: wireless impedance control with real‐time feedback 

    Özen, A. Ç.; Silemek, Berk; Lottne, T.; Atalar, Ergin; Bock, M. (Wiley, 2020)
    Purpose: To dynamically minimize radiofrequency (RF)‐induced heating of an active catheter through an automatic change of the termination impedance. Methods: A prototype wireless module was designed that modifies the input ...
  • Short-and long-term forms of neural adaptation: An ERP investigation of dynamic motion aftereffects 

    Akyüz, Sibel; Pavan, A.; Kaya, Utku; Kafalıgönül, Hulusi (Elsevier, 2020-01)
    Adaptation is essential to interact with a dynamic and changing environment, and can be observed on different timescales. Previous studies on a motion paradigm called dynamic motion aftereffect (dMAE) showed that neural ...
  • Combination of Paclitaxel and R-flurbiprofen loaded PLGA nanoparticles suppresses glioblastoma growth on systemic administration 

    Caban-Toktas, S.; Şahin, A.; Lule, S.; Esendagli, G.; Vural, İ.; Karlı-Oğuz, Kader K.; Söylemezoğlu, F.; Mut, M.; Dalkara, T.; Khan, M.; Capan, Y. (Elsevier, 2020)
    Malignant gliomas are highly lethal. Delivering chemotherapeutic drugs to the brain in sufficient concentration is the major limitation in their treatment due to the blood-brain barrier (BBB). Drug delivery systems may ...
  • The relationship between ruminating the catastrophic consequences of bodily changes and positive reappraisal and practical problem-solving strategies in individuals with illness anxiety disorder 

    Elhamiasl, M.; Dehghani, M.; Heidari, M.; Khatibi, Ali (Iran University of Medical Sciences, 2020-09)
    Introduction: Cognitive emotion regulation is suggested to contribute to Illness Anxiety Disorder (IAD). Reappraisal and suppression are essential ER strategies with controversial data about their roles in IAD. Relevant ...
  • Comparison of morphometric parameters in prediction of hydrocephalus using random forests 

    Özgöde-Yigin, B.; Algın, Oktay; Saygılı, G. (Elsevier, 2020-01-01)
    Ventricles of the human brain enlarge with aging, neurodegenerative diseases, intrinsic, and extrinsic pathologies. The morphometric examination of neuroimages is an effective approach to assess structural changes occurring ...
  • Informed feature regularization in voxelwise modeling for naturalistic fMRI experiments 

    Yılmaz, Özgür; Çelik, Emin; Çukur, Tolga (Wiley, 2020-04-21)
    Voxelwise modeling is a powerful framework to predict single‐voxel functional selectivity for the stimulus features that exist in complex natural stimuli. Yet, because VM disregards potential correlations across stimulus ...
  • AttentionBoost: learning what to attend for gland segmentation in histopathological images by boosting fully convolutional networks 

    Güneşli, Gözde Nur; Sokmensuer, C.; Gündüz-Demir, Çiğdem (IEEE, 2020)
    Fully convolutional networks (FCNs) are widely used for instance segmentation. One important challenge is to sufficiently train these networks to yield good generalizations for hard-to-learn pixels, correct prediction of ...
  • A parietal region processing numerosity of observed actions: An FMRI study 

    Sawamura, H.; Ürgen, Burcu A.; Corbo, D.; Orban, G. A. (Wiley, 2020-07-26)
    When observing others' behavior, it is important to perceive not only the identity of the observed actions (OAs), but also the number of times they were performed. Given the mounting evidence implicating posterior parietal ...
  • Prior-Guided image reconstruction for accelerated multi-contrast MRI via generative adversarial networks 

    Dar, Salman U.H.; Yurt, Mahmut; Shahdloo, Mohammad; Ildız, Muhammed Emrullah; Tınaz, Berk; Çukur, Tolga (IEEE, 2020)
    Multi-contrast MRI acquisitions of an anatomy enrich the magnitude of information available for diagnosis. Yet, excessive scan times associated with additional contrasts may be a limiting factor. Two mainstream frameworks ...
  • Vector modulator based active compensation of direct feedthrough 

    Taşdelen, Bilal; Yağız, Ecrin; Utkur, Mustafa; Çağıl, Ahmet R.; Top, C. B.; Atalar, Ergin; Sarıtaş, Emine Ülkü (Infinite Science Publishing, 2020)
    In magnetic particle imaging (MPI), simultaneous excitation and signal acquisition leads to direct feedthrough problems. While this direct-feedthrough can be mitigated up to some extent with passive compensation, this may ...
  • Temperature mapping via relaxation-based color MPI 

    Utkur, Mustafa; Sarıtaş, Emine Ülkü (Infinite Science Publishing, 2020)
    In magnetic particle imaging (MPI), the relaxation behavior of the nanoparticles has been exploited to expand quantitative mapping capabilities of MPI to applications such as viscosity mapping and temperature mapping. We ...
  • Rapid relaxation-based color MPI 

    Arslan, Musa Tunç; Kurt, Semih; Özaslan, Ali Alper; Muslu, Yavuz; Sarıtaş, Emine Ülkü (Infinite Science Publishing, 2020)
    Color magnetic particle imaging (MPI) techniques have recently gained popularity, with the purposes of distinguishing different nanoparticle types or nanoparticles in different environments. In this work, we extend a ...
  • Non-ideal selection field induced artifacts in X-Space MPI 

    Yağız, Ecrin; Çağıl, Ahmet R.; Sarıtaş, Emine Ülkü (Infinite Science Publishing, 2020)
    In magnetic particle imaging (MPI), the selection field deviates from its ideal linearity in regions away from the center of the scanner. This work demonstrates that unaccounted non-linearity of the selection field causes ...
  • Multi-dimensional harmonic dispersion X-space MPI 

    Kurt, Semih; Abdulla, Abdulla; Sarıtaş, Emine Ülkü (Infinite Science Publishing, 2020)
    In magnetic particle imaging (MPI), standard x-space reconstruction requires partial field-of-view (pFOV) processing steps: speed compensation of the received signal and gridding the non-equidistant field free point (FFP) ...
  • Magnetic particle fingerprinting using arbitrary waveform relaxometer 

    Yağız, Ecrin; Utkur, Mustafa; Top, C. B.; Sarıtaş, Emine Ülkü (Infinite Science Publishing, 2020)
    In magnetic particle imaging (MPI), the information about the local environment, such as its viscosity and temperature, can be inferred via the relaxation behavior of the nanoparticles. As the nanoparticle signal also ...
  • Design of a magnetostimulation head coil with rutherford cable winding 

    Özaslan, Ali Alper; Çağıl, Ahmet Rahmetullah; Graeser, M.; Knopp, T.; Sarıtaş, Emine Ülkü (Infinite Science Publishing, 2020)
    Magnetic Particle Imaging (MPI) uses sinusoidal drive fields to excite the magnetic nanoparticles. These time-varying magnetic fields form electric fields within the body, which in turn can cause peripheral nerve stimulation, ...
  • Design of a doubly tunable gradiometer coil 

    Çağıl, Ahmet Rahmetullah; Taşdelen, Bilal; Sarıtaş, Emine Ülkü (Infinite Science Publishing, 2020)
    In a magnetic particle imaging (MPI) scanner, utilizing a tunable gradiometer receive coil can aid in achieving greater degree of decoupling of direct feedthrough signal. However, such a coil can be hard to tune since a ...
  • Parameter robustness analysis for system function reconstruction 

    Arol, Abdullah Ömer; Özaslan, Ali Alper; Alpman, Aslı; Sarıtaş, Emine Ülkü (Infinite Science Publishing, 2020)
    The quality of images in system function reconstruction (SFR) depends on an extensive calibration scan that acquires the system matrix (SM). A change in parameters of the scanner, trajectory, or magnetic nanoparticle ...
  • Blind source separation for multi-color MPI 

    Kurt, Semih; Muslu, Yavuz; Sarıtaş, Emine Ülkü (International Journal on Magnetic Particle Imaging, 2020)
    In magnetic particle imaging (MPI), different magnetic nanoparticles (MNPs) in the same field-of-view can be distinguished via color-MPI techniques. Existing system-function-based techniques require extensive calibration ...
  • Expectations affect the perception of material properties 

    Alley, L. M.; Schmid, A. C.; Doerschner, Katja (Association for Research in Vision and Ophthalmology, 2020)
    Many objects that we encounter have typical material qualities: spoons are hard, pillows are soft, and Jell-O dessert is wobbly. Over a lifetime of experiences, strong associations between an object and its typical material ...

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