1. UC Riverside

    0 Comments Leave a Comment

    16-28 of 28 « 1 2
    1. Mentioned In 28 Articles

    2. In vivo detection of cortical optical changes associated with seizure activity with optical coherence tomography

      In vivo detection of cortical optical changes associated with seizure activity with optical coherence tomography
      The most common technology for seizure detection is with electroencephalography (EEG), which has low spatial resolution and minimal depth discrimination. Optical techniques using near-infrared (NIR) light have been used to improve upon EEG technology and previous research has suggested that optical changes, specifically changes in near-infrared optical scattering, may precede EEG seizure onset in in vivo models. Optical coherence tomography (OCT) is a high resolution, minimally invasive imaging technique, which ...
      Read Full Article
    3. GPU accelerated real-time multi-functional spectral-domain optical coherence tomography system at 1300nm

      GPU accelerated real-time multi-functional spectral-domain optical coherence tomography system at 1300nm
      We present a GPU accelerated multi-functional spectral domain optical coherence tomography system at 1300nm. The system is capable of real-time processing and display of every intensity image, comprised of 512 pixels by 2048 A-lines acquired at 20 frames per second. The update rate for all four images with size of 512 pixels by 2048 A-lines simultaneously (intensity, phase retardation, flow and en face view) is approximately 10 frames per second ...
      Read Full Article
    4. In vivo imaging of human burn injuries with polarization-sensitive optical coherence tomography

      In vivo imaging of human burn injuries with polarization-sensitive optical coherence tomography
      The accurate determination of burn depth is critical in the clinical management of burn wounds. Polarization-sensitive optical coherence tomography (PS-OCT) has been proposed as a potentially non-invasive method for determining burn depth by measuring thermally induced changes in the structure and birefringence of skin, and has been investigated in pre-clinical burn studies with animal models and ex vivo human skin. In this study, we applied PS-OCT to the in-vivo imaging ...
      Read Full Article
    5. Extracting structural features of rat sciatic nerve using polarization-sensitive spectral domain optical coherence tomography

      Extracting structural features of rat sciatic nerve using polarization-sensitive spectral domain optical coherence tomography
      We present spectral domain polarization-sensitive optical coherence tomography (SD PS-OCT) imaging of peripheral nerves. Structural and polarization-sensitive OCT imaging of uninjured rat sciatic nerves was evaluated both qualitatively and quantitatively. OCT and its functional extension, PS-OCT, were used to image sciatic nerve structure with clear delineation of the nerve boundaries to muscle and adipose tissues. A long-known optical effect, bands of Fontana, was also observed. Postprocessing analysis of these images ...
      Read Full Article
    6. Polarization-sensitive optical frequency domain imaging based on unpolarized light

      Polarization-sensitive optical frequency domain imaging based on unpolarized light
      Polarization-sensitive optical coherence tomography (PS-OCT) is an augmented form of OCT, providing 3D images of both tissue structure and polarization properties. We developed a new method of polarization-sensitive optical frequency domain imaging (PS-OFDI), which is based on a wavelength-swept source. In this method the sample was illuminated with unpolarized light, which was composed of two orthogonal polarization states (i.e., separated by 180° in the Poincaré sphere) that are uncorrelated ...
      Read Full Article
    7. In vivo 3D human vocal fold imaging with polarization sensitive optical coherence tomography and a MEMS scanning catheter

      In vivo 3D human vocal fold imaging with polarization sensitive optical coherence tomography and a MEMS scanning catheter
      We present in-vivo 3D human vocal fold images with polarization sensitive optical coherence tomography (PS-OCT). Characterizing the extent and location of vocal fold lesions provides useful information in guiding surgeons during phonomicrosurgery. Previous studies showed that PS-OCT imaging can distinguish vocal fold lesions from normal tissue, but these studies were limited to 2D cross-sectional imaging and were susceptible to sampling error. In-vivo 3D endoscopic imaging was performed by using a ...
      Read Full Article
    8. Retinal imaging with polarization-sensitive optical coherence tomography and adaptive optics

      Retinal imaging with polarization-sensitive optical coherence tomography and adaptive optics
      Various layers of the retina are well known to alter the polarization state of light. Such changes in polarization may be a sensitive indicator of tissue structure and function, and as such have gained increased clinical attention. Here we demonstrate a polarization-sensitive optical coherence tomography (PS-OCT) system that incorporates adaptive optics (AO) in the sample arm and a single line scan camera in the detection arm. We quantify the benefit ...
      Read Full Article
    9. Imaging of Optic Nerve Head Drusen: Improvements With Spectral Domain Optical Coherence Tomography

      Objective: To demonstrate a new algorithm that can determine the shape, location, and volume of optic nerve head drusen (ONHD), which were imaged with spectral domain optical coherence tomography (SDOCT). Methods: One exenteration patient and 4 glaucoma patients with bilateral ONHD were recruited from the Massachusetts Eye and Ear Infirmary and from a private practice office. Images were obtained using an experimental SDOCT system developed at the Wellman Center for ...
      Read Full Article
    10. Spectral domain optical coherence tomography for quantitative evaluation of drusen and associated structural changes in non-neovascular age-related macular degeneration

      Background/aims: To demonstrate how spectral domain optical coherence tomography (SDOCT) can better evaluate drusen and associated anatomical changes in eyes with non-neovascular age-related macular degeneration (AMD) compared with time domain optical coherence tomography (TDOCT). Methods: Images were obtained from three eyes of three patients with AMD using an experimental SDOCT system. Both a titanium–sapphire (Ti:sapphire) laser and a superluminescent diode (SLD) were used as a broadband light ...
      Read Full Article
    11. 16-28 of 28 « 1 2
  1. Categories

    1. Applications:

      Art, Cardiology, Dentistry, Dermatology, Developmental Biology, Gastroenterology, Gynecology, Microscopy, NDE/NDT, Neurology, Oncology, Ophthalmology, Other Non-Medical, Otolaryngology, Pulmonology, Urology
    2. Business News:

      Acquisition, Clinical Trials, Funding, Other Business News, Partnership, Patents
    3. Technology:

      Broadband Sources, Probes, Tunable Sources
    4. Miscellaneous:

      Jobs & Studentships, Student Theses, Textbooks
  2. About UC Riverside

    UC Riverside

    University of California at Riverside is one of 10 universities within the prestigious University of California system, and the only UC located in Inland Southern California.  Widely recognized as one of the most ethnically diverse research universities in the nation, UCR's current enrollment is 17,187 students, with a goal of 21,000 students by 2010. The campus is in the midst of a tremendous growth spurt with new and remodeled facilities coming on-line on a regular basis.  We are located approximately 50 miles east of downtown Los Angeles. UCR is also within easy driving distance of dozens of major cultural and recreational sites, as well as desert, mountain and coastal destinations.