1. Stanford University

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    1. Mentioned In 247 Articles

    2. A Spectral De-mixing Model for Triplex In Vivo Imaging of Optical Coherence Tomography Contrast Agents

      Explore bioRxiv.org
      A Spectral De-mixing Model for Triplex In Vivo Imaging of Optical Coherence Tomography Contrast Agents
      The ability to detect multiple contrast agents simultaneously would greatly enhance Optical Coherence Tomography (OCT) images, providing nuanced biological context to physiological structures. However, previous OCT contrast agent work has been limited to scenarios where only a single contrast agent could be robustly detected within each voxel. We present a novel spectroscopic technique for de-mixing the spectral signal from multiple OCT contrast agents within a single voxel. We validate our ...
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      Mentions: Stanford University Adam de la Zerda

    3. Gold Nanobipyramids as Second Near Infrared Optical Coherence Tomography Contrast Agents for In Vivo Multiplexing Studies

      Explore ACS Publications Home Page
      Gold Nanobipyramids as Second Near Infrared Optical Coherence Tomography Contrast Agents for In Vivo Multiplexing Studies
      Developing contrast-enhanced optical coherence tomography (OCT) techniques is important for specific imaging of tissue lesions, molecular imaging, cell-tracking, and highly sensitive microangiography and lymphangiography. Multiplexed OCT imaging in the second near infrared (NIR-II) window is highly desirable since it allows simultaneous imaging and tracking of multiple biological events in high resolution with deeper tissue penetration in vivo . Here we demonstrate that gold nanobipyramids can function as OCT multiplexing contrast agents ...
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      Mentions: Stanford University Adam de la Zerda

    4. Geographic Atrophy Segmentation in SD-OCT Images Using Synthesized Fundus Autofluorescence Imaging

      Explore ScienceDirect Ophthalmology
      Geographic Atrophy Segmentation in SD-OCT Images Using Synthesized Fundus Autofluorescence Imaging
      Background and Objective Accurate assessment of geographic atrophy (GA) is critical for diagnosis and therapy of non-exudative age-related macular degeneration (AMD). Herein, we propose a novel GA segmentation framework for spectral-domain optical coherence tomography (SD-OCT) images that employs synthesized fundus autofluorescence (FAF) images. Methods An en-face OCT image is created via the restricted sub-volume projection of three-dimensional OCT data. A GA region-aware conditional generative adversarial network is employed to generate ...
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      Mentions: Stanford University Sungkyunkwan University Nanjing University of Science and Technology

    5. Optical biopsy of penile cancer with in vivo confocal laser endomicroscopy

      Explore ScienceDirect
      Optical biopsy of penile cancer with in vivo confocal laser endomicroscopy
      Introduction Surgical management of penile cancer depends on accurate margin assessment and staging. Advanced optical imaging technologies may improve penile biopsy and organ-sparing treatment. We evaluated the feasibility of confocal laser endomicroscopy for intraoperative assessment of benign and malignant penile tissue. Patients and methods With institutional review board approval, 11 patients were recruited, 9 with suspected penile cancer, and 2 healthy controls. Confocal laser endomicroscopy using a 2.6-mm fiber-optic ...
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      Mentions: Stanford University

    6. Detection of glaucomatous optic neuropathy with spectral-domain optical coherence tomography: a retrospective training and validation deep-learning analysis

      Explore ScienceDirect Ophthalmology
      Detection of glaucomatous optic neuropathy with spectral-domain optical coherence tomography: a retrospective training and validation deep-learning analysis
      ...rk was used to build the 3D deep-learning system. Three independent datasets (two from Hong Kong and one from Stanford, CA, USA), including 546, 267, and 1231 SDOCT volumes, respectively, were used for external validatio...
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      Mentions: Stanford University The Chinese University of Hong Kong

    7. EVALUATION OF SEGMENTAL RETINAL ARTERITIS WITH OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY

      Explore LWW Online Ophthalmology
      EVALUATION OF SEGMENTAL RETINAL ARTERITIS WITH OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY
      Purpose: To describe the vascular anatomy and intraluminal flow characteristics of segmental retinal arteritis (SRA) using structural and angiographic optical coherence tomography (OCT). Methods: Retrospective case series of consecutive patients presenting with SRA. All patients were evaluated at presentation with fundus photography, spectral domain OCT, and OCT angiography. One patient was imaged with dense B-scan OCT angiography. Results: Three eyes of three male patients were evaluated. All examinations were consistent ...
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      Mentions: Columbia University Stanford University LuEsther T. Mertz Retinal Research Center

    8. Methods for Quantifying Optic Disc Volume and Peripapillary Deflection Volume Using Radial Optical Coherence Tomography Scans and Association with Intracranial Pressure

      Explore Frontiers Ophthalmology
      Methods for Quantifying Optic Disc Volume and Peripapillary Deflection Volume Using Radial Optical Coherence Tomography Scans and Association with Intracranial Pressure
      Purpose: Papilledema and peripapillary deformation of Bruchs membrane(BM) are associated with elevated intracranial pressure(ICP). We have developed a novel methodology to measure these parameters using a radial optical coherence tomography(OCT) scan pattern and apply this to test the hypothesis that ICP is associated with volumetric features of ophthalmic structures. Methods: 6-radial OCT B-scans centered over the optic nerve head were acquired in 17 subjects(30 eyes) before ...
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      Mentions: Stanford University

    9. Spatiotemporal Tracking of Brain-Tumor-Associated Myeloid Cells in Vivo through Optical Coherence Tomography with Plasmonic Labeling and Speckle Modulation

      Explore ACS Publications Home Page Neurology
      Spatiotemporal Tracking of Brain-Tumor-Associated Myeloid Cells in Vivo through Optical Coherence Tomography with Plasmonic Labeling and Speckle Modulation
      By their nature, tumors pose a set of profound challenges to the immune system with respect to cellular recognition and response coordination. Recent research indicates that leukocyte subpopulations, especially tumor-associated macrophages (TAMs), can exert substantial influence on the efficacy of various cancer immunotherapy treatment strategies. To better study and understand the roles of TAMs in determining immunotherapeutic outcomes, significant technical challenges associated with dynamically monitoring single cells of interest in ...
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      Mentions: Stanford University Adam de la Zerda Elliott D. SoRelle

    11. Upper limit for angular compounding speckle reduction

      Explore aip.scitation.org
      Upper limit for angular compounding speckle reduction
      Angular compounding is a technique for reducing speckle noise in optical coherence tomography that is claimed to significantly improve the signal-to-noise ratio (SNR) of images without impairing their spatial resolution. Here, we examine how focal point movements caused by optical aberrations in an angular compounding system may produce unintended spatial averaging and concomitant loss of spatial resolution. Experimentally, we accounted for such aberrations by aligning our system and measuring distortions ...
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      Mentions: Stanford University Adam de la Zerda

    12. Gold Nanobipyramids as Second Near Infrared Optical Coherence Tomography Contrast Agents for Multiplexed In Vivo Lymphangiography

      Explore bioRxiv.org
      Gold Nanobipyramids as Second Near Infrared Optical Coherence Tomography Contrast Agents for Multiplexed In Vivo Lymphangiography
      Developing contrast-enhanced optical coherence tomography (OCT) techniques is important for specific imaging of tissue lesions, molecular imaging, cell-tracking, and highly sensitive microangiography and lymphangiography. Multiplexed OCT imaging in the second near infrared (NIR-II) window is highly desirable since it allows simultaneous imaging and tracking of multiple biological events in high resolution with deeper tissue penetration in vivo. Here we demonstrate that gold nanobipyramids can function as OCT multiplexing contrast agents ...
      Read Full Article
      Mentions: Stanford University Adam de la Zerda

    14. Intelligent Detection of Glaucoma Using Ballistic Optical Imaging

      Explore ResearchGate Ophthalmology
      Intelligent Detection of Glaucoma Using Ballistic Optical Imaging
      Immense imaging strategies have been adept in sprouting investigative supports for glaucoma discovery. Ballistic optical imaging such as optical coherence tomography have been inspected for estimating the key constraints for glaucoma estimation such as disc area, cup area, cup volume, disc and rim area, cup to disc ratio and thickness of the retinal nerve fibre layer. This paper presents a scheme for glaucoma detection by ballistic optical imaging and machine ...
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      Mentions: Stanford University Harvard University Nanyang Technological University

    16. Optical Coherence Tomography Angiography Highlights Chorioretinal Lesions in Ocular Coccidioidomycosis

      Explore Healio.com Ophthalmology
      Optical Coherence Tomography Angiography Highlights Chorioretinal Lesions in Ocular Coccidioidomycosis
      A 34-year-old woman presented after recovering from a disseminated Coccidioides immitis infection of the lungs, blood, brain, and placenta. The patient was asymptomatic for visual complaints. Visual acuity was 20/20 in both eyes. Fundus examination demonstrated bilateral chorioretinal infiltrates worse in the left eye. Fluorescein angiography (FA) was unable to be performed as the patient was breastfeeding, prompting the use of optical coherence tomography angiography (OCTA) imaging to further ...
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      Mentions: Stanford University
    17. 1-15 of 247 1 2 3 4 ... 15 16 17 »
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  4. About Stanford University

    Stanford University

    Stanford University was founded in 1891 by Leland and Jane Stanford to "promote the public welfare by exercising an influence on behalf of humanity and civilization." More than a century later, Stanford remains dedicated to finding solutions to the great challenges of the day and to preparing our students for leadership in today's complex world.

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