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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.

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Showing 1 to 20 of 112 for “"photon emission"”.

  1. Scanning near-field photon emission microscopy

    ISAKOV DMITRY2010

    … of fault isolation techniques, like far-field photon emission microscopy (FFPEM), is grossly inadequate for advanced semiconductor technology nodes beyond 65 nm. The fundamental limit on spatial resolution of FFPEM is approximately half the wavelength of the detected photons. The practical …

    nus Repository record

  2. Color centers in diamond from single-photon emission to sensing applications

    STELLA, CLAUDIAPolitecnico di Torino2026

    L'abstract è presente nell'allegato / the abstract is in the attachment

    poli-torino Repository record

  3. Single photon emission computed tomography: performance assessment, development and clinical applications

    Gillen, Gerard J.University of Glasgow1990

    This is a general investigation of the SPECT imaging process. The primary aim is to determine the manner in which the SPECT studies should be performed in order to maximise the relevant clinical information given the characteristics and limitations of the particular gamma camera imaging system …

    glasgow Repository record

  4. A study of electron scattering in coincidence with photon emission from carbon-12

    Williamson, Steven Eric2011

    Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-06-16T15:44:35Z No. of bitstreams: 1 1981_williamson.pdf: 7784740 bytes, checksum: afdb9fa1a7167d3e55dac7cac9daa14e (MD5)

    uiuc Repository record

  5. Klinische Relevanz der Ventilations-Perfusionszintigraphie unter Einsatz der Single Photon Emission Computed Tomography (SPECT)

    Schirp, Udo2002

    aachen Repository record

  6. Light in Living Systems: Ultra-Weak Photon Emission and Fluorescence Lifetime Imaging of Cellular Dynamics

    Samuel Crowther (21041456)2026

    Ultra-weak photon emission (UPE) is a phenomenon intrinsic to oxidative metabolism, yet its detection and biological role remain contested. This thesis bridges theoretical, technical, and biological perspectives to advance the study of cellular light. Part I provides a critical review of UPE, …

    exeter

  7. Ultraweak photon emission in cells: coupling to molecular pathways, applied magnetic fields, and potential non-locality

    Dotta, BlakeLaurentian University of Sudbury2014

    The possibilities and implications of photons within the infrared, visible, and ultraviolet behaving as sources of intracellular and intercellular communication and information were investigated experimentally for melanoma cells during the 24 hrs following removal from incubation. Specific …

    laurentian Repository record

  8. Resting-State Cerebral Perfusion Patterns: An Exploratory Factor Analysis of Single-Photon Emission Computed Tomography Clinical Data

    Harcourt, Scott2021

    … until 2005. Few studies have used single-photon emission computed tomography (SPECT) regional cerebral blood flow (rCBF) to analyze RS. The omission is critical because SPECT RS networks have a different structure and statistical representation than functional magnetic resonance imaging …

    nova2 Repository record

  9. Dysfunctional but viable myocardium - ischemic heart disease assessed by magnetic resonance imaging and single photon emission computed tomography

    Ugander, MartinDepartment of Clinical Physiology, Lund University2005

    … function, perfusion and viability using single photon emission computed tomography (SPECT) and cardiac magnetic resonance (CMR). Polar representation of these parameters was feasible, and the quantitative method agreed with visual assessment. Paper II showed that wall thickening decreases with …

    lund Repository record

  10. Assessment of the impact of the application single photon emission computerized tomography and SPECT-CT on lesion catergorization

    Yunusa, Garba HarunaDivision of Nuclear Medicine2015

    Objectives: To assess initial experience with the use of a new SPECT-CT in the evaluation of lesions. Methods: The folder number, radiopharmaceutical used and type of scan of patients examined with a new Siemens T6 SPECT-CT between 2 April and 31 December 2013 were retrieved. The number of 99m Tc …

    cape-town Repository record

  11. Development of high performance single photon emission computed tomography systems for simultaneous nuclear molecular imaging and magnetic resonance imaging

    Lai, XiaochunUniversity of Illinois at Urbana-Champaign2017

    … effort to develop high-performance single-photon emission computed tomography (SPECT) systems for simultaneous NMI/MRI. This kind of system has sub-mm and even higher resolving power that allows a matched resolution for SPECT and MRI to visualize details about cell retention and migration, …

    uiuc Repository record

  12. Investigation Of Abnormal Visceral Pain Perception In Patients With Chest Pain Of Undetermined Etiology Using Single Photon Emission Computed Tomography (Spect).

    McDonald-Haile, Julie Erin

    uab Repository record

  13. Neuropsychological functions and association with single photon emission computed tomography (SPECT) in Greek multiple sclerosis patients : efficacy of a computerized cognitive rehabilitation intervention

    Μεσσήνης, Λάμπρος2017

    While the prevalence and pattern of cognitive dysfunction in multiple sclerosis (MS) is well documented, cognitive deterioration remains one of the most disabling characteristics of MS, and among the most difficult symptoms to manage. The impact of cognitive dysfunction in this population is …

    patras-thes Repository record

  14. Functional brain imaging in the dog : Single Photon Emission Tomography as a research and clinical tool for the investigation of canine brain physiology and pathophysiology

    Peremans, KathelijneGhent University. Faculty of Veterinary Medicine2002

    ghent Repository record

  15. Predictive utility of neuropsychological measures and single photon emission computed tomography (SPECT) in the classification of cerebral perfusion deficits in dementia of the Alzheimer type (DAT)

    Moren, Mark G.1995

    … cerebral blood flow (rCBF) taken from the single photon emission computed tomography (SPECT) scans of patients suffering from dementia of the Alzheimer type (DAT). The study was designed to determine if DAT patients categorized as having left hemisphere, right hemisphere, diffuse, or an absence of …

    ballstate-thes Repository record

  16. The conclusions drawn from ventilation/perfusion single photon emission computed tomography (SPECT) compared to lung perfusion SPECT and a chest x-ray (CXR) in patients with suspected pulmonary pulmonary thromboembolism

    Abubakar, SofiullahDepartment of Radiation Medicine2018

    … We evaluated the value of the V single photon emission computed tomography (SPECT) on the final conclusion drawn from a V/Q SPECT and the possible role of the chest x-ray as a surrogate for the V SPECT. Methods Raw data of V/Q SPECT images and chest x-ray acquired within 48 hours over 18 …

    cape-town Repository record

  17. A Single-photon Source Based on a Lateral n-i-p Junction Driven by a Surface Acoustic Wave

    Hsiao, Tzu-KanUniversity of Cambridge2018

    Single-photon sources are essential building blocks in quantum photonic networks, where quantum-mechanical properties of photons are utilised to achieve quantum technologies such as quantum cryptography and quantum computing. In this thesis, a single-photon source driven by a surface acoustic wave …

    cambridge Repository record

  18. Influence of photospheric back-scatter on flare hard x-ray diagnostics.

    Alexander, Robert CalumUniversity of Glasgow2010

    … is concerned with the effect of back–scatter photons upon the morphology of the Hard X–Ray photon spectrum and its effect on the inferred parent electron spectrum. I present a theoretical investigation into Compton reflected HXR photons, known as the photospheric Albedo, and explore the effect …

    glasgow Repository record

  19. AN EXPLORATION OF DEFECT-BASED SINGLE PHOTON SOURCES: ZINC OXIDE AND HEXAGONAL BORON NITRIDE

    Jungwirth, Nicholas RyanCornell University2018

    … in wide bandgap semiconductors are single photon sources with applications in quantum optics, precision sensing, and quantum information processing technologies. Although the nitrogen-vacancy center in diamond has historically garnered the most attention, efforts to discover novel single …

    cornell Repository record

  20. A Study of the Nucleation and Formation of Multi-functional Nanostructures using GaN-Based Materials for Device Applications

    Kang, HunGeorgia Institute of Technology2006

    … 10 ~ 100nm). It has been found that the photon emission energy is tunable relative to the nanostructure size, and smaller nanostructures have larger photon energy. However, a numerical modeling was performed to investigate the relationship between quantum confinement (and/or piezoelectric …

    gatech Repository record

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