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    1. Mentioned In 126 Articles

    2. Optical coherence tomography image-guided smart laser knife for surgery

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      Optical coherence tomography image-guided smart laser knife for surgery
      Background and Objective Surgical oncology can benefit from specialized tools that enhance imaging and enable precise cutting and removal of tissue without damage to adjacent structures. The combination of high-resolution, fast optical coherence tomography (OCT) co-aligned with a nanosecond pulsed thulium (Tm) laser offers advantages over conventional surgical laser systems. Tm lasers provide superior beam quality, high volumetric tissue removal rates with minimal residual thermal footprint in tissue, enabling a ...
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      Mentions: Thomas E. Milner University of Texas at Austin

    3. Apparatus and methods for identifying and evaluating bright spot indications observed through optical coherence tomography

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      Apparatus and methods for identifying and evaluating bright spot indications observed through optical coherence tomography
      Exemplary embodiments of the present disclosure include apparatus and methods for identifying bright spot indications observed through optical coherence tomography. The indications can be evaluated, for example, to link risk factors or other conditions to clinically relevant outcomes
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      Mentions: Thomas E. Milner Marc D. Feldman University of Texas at Austin

    5. Quantifying the effects of UV-A/riboflavin crosslinking on the elastic anisotropy and hysteresis of the porcine cornea by noncontact optical coherence elastography

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      Quantifying the effects of UV-A/riboflavin crosslinking on the elastic anisotropy and hysteresis of the porcine cornea by noncontact optical coherence elastography
      The collagen fibril orientation of the cornea can provide critical information about cornea tissue health because diseases such as keratoconus and therapeutic interventions such as UV-A/riboflavin corneal collagen crosslinking (CXL) can alter the ultrastructural arrangement of collagen fibrils. Here, we quantify the elastic anisotropy and hysteresis of in situ porcine corneas as a function of intraocular pressure (IOP) with noncontact optical coherence elastography. Moreover, the effects of UV-A riboflavin ...
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      Mentions: Baylor College of Medicine Kirill V. Larin University of Alabama

    6. Scattering angle resolved optical coherence tomography for in vivo murine retinal imaging

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      Scattering angle resolved optical coherence tomography for in vivo murine retinal imaging
      Optical coherence tomography (OCT) retinal imaging contributes to understanding central nervous system (CNS) diseases because the eye is an anatomical window to the brain with direct optical access to nonmylenated retinal ganglion cells. However, many CNS diseases are associated with neuronal changes beyond the resolution of standard OCT retinal imaging systems. Though studies have shown the utility of scattering angle resolved (SAR) OCT for particle sizing and detecting disease states ...
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      Mentions: Thomas E. Milner University of Texas at Austin

    7. Assessing the effects of riboflavin/UV-A crosslinking on porcine corneal mechanical anisotropy with optical coherence elastography

      Explore OSA | OSA Publishing Ophthalmology
      Assessing the effects of riboflavin/UV-A crosslinking on porcine corneal mechanical anisotropy with optical coherence elastography
      In this work we utilize optical coherence elastography (OCE) to assess the effects of UV-A/riboflavin corneal collagen crosslinking (CXL) on the mechanical anisotropy of in situ porcine corneas at various intraocular pressures (IOP). There was a distinct meridian of increased Youngs modulus in all samples, and the mechanical anisotropy increased as a function of IOP and also after CXL. The presented noncontact OCE technique was able to quantify the ...
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      Mentions: Baylor College of Medicine Kirill V. Larin University of Alabama

    8. High-speed and high-sensitivity parallel spectral-domain optical coherence tomography using a supercontinuum light source

      Explore OSA | OSA Publishing Broadband Sources
      High-speed and high-sensitivity parallel spectral-domain optical coherence tomography using a supercontinuum light source
      The three most important metrics in optical coherence tomography (OCT) are resolution, speed, and sensitivity. Because there is a complex interplay between these metrics, no previous work has obtained the best performance in all three metrics simultaneously. We demonstrate that a high-power supercontinuum source, in combination with parallel spectral-domain OCT, achieves an unparalleled combination of resolution, speed, and sensitivity. This system captures cross-sectional images spanning 4 mm 0.5 mm ...
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      Mentions: University of Texas at Austin Amy L. Oldenburg University of North Carolina

    9. Quantifying tissue viscoelasticity using optical coherence elastography and the Rayleigh wave model

      Explore SPIE | Journal
      Quantifying tissue viscoelasticity using optical coherence elastography and the Rayleigh wave model
      This study demonstrates the feasibility of using the Rayleigh wave model (RWM) in combination with optical coherence elastography (OCE) technique to assess the viscoelasticity of soft tissues. Dispersion curves calculated from the spectral decomposition of OCE-measured air-pulse induced elastic waves were used to quantify the viscoelasticity of samples using the RWM. Validation studies were first conducted on 10% gelatin phantoms with different concentrations of oil. The results showed that the ...
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      Mentions: Kirill V. Larin University of Houston University of Texas at Austin

    10. Polarization-sensitive spectral interferometry as a function of depth for tissue identification

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      Polarization-sensitive spectral interferometry as a function of depth for tissue identification
      A polarization sensitive spectral interferometer apparatus and method for analyzing a sample by optical energy reflected from the sample. The polarization sensitive spectral interferometer apparatus and method determines polarization properties of the sample by optical energy reflected from the sample. The method for analyzing a sample with a spectral interferometer identifies the tissue type of the sample by the polarization properties as a function of depth from the sample.
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      Mentions: Thomas E. Milner University of Texas at Austin

    11. Diagnosis of Thin-Capped Fibroatheromas in Intravascular Optical Coherence Tomography Images Effects of Light Scattering

      Explore Circulation Cardiology
      Diagnosis of Thin-Capped Fibroatheromas in Intravascular Optical Coherence Tomography Images Effects of Light Scattering
      Background Intravascular optical coherence tomography (IVOCT) images are recorded by detecting light backscattered within coronary arteries. We hypothesize that nonthin-capped fibroatheroma (TCFA) causes may scatter light to create the false appearance of IVOCT TCFA. Methods and Results Ten human cadaver hearts were imaged with IVOCT (n=14 coronary arteries). IVOCT and histological TCFA images were coregistered and compared. Of 21 IVOCT TCFAs (fibrous cap 65 m, lipid arc 1 quadrant ...
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      Mentions: Massachusetts General Hospital Ik-Kyung Jang Thomas E. Milner

    12. Hybrid intravascular imaging: recent advances, technical considerations, and current applications in the study of plaque pathophysiology

      Explore Oxford Journals Cardiology
      Hybrid intravascular imaging: recent advances, technical considerations, and current applications in the study of plaque pathophysiology
      Cumulative evidence from histology-based studies demonstrate that the currently available intravascular imaging techniques have fundamental limitations that do not allow complete and detailed evaluation of plaque morphology and pathobiology, limiting the ability to accurately identify high-risk plaques. To overcome these drawbacks, new efforts are developing for data fusion methodologies and the design of hybrid, dual-probe catheters to enable accurate assessment of plaque characteristics, and reliable identification of high-risk lesions. Today ...
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      Mentions: Guillermo J. Tearney University of Toronto Imperial College London

    13. Effect of image registration on longitudinal analysis of retinal nerve fiber layer thickness of non-human primates using Optical Coherence Tomography (OCT)

      Explore Eye and Vision Ophthalmology
      Effect of image registration on longitudinal analysis of retinal nerve fiber layer thickness of non-human primates using Optical Coherence Tomography (OCT)
      Background In this paper we determined the benefits of image registration on estimating longitudinal retinal nerve fiber layer thickness (RNFLT) changes. Methods RNFLT maps around the optic nerve head (ONH) of healthy primate eyes were measured using Optical Coherence Tomography (OCT) weekly for 30 weeks. One automatic algorithm based on mutual information (MI) and the other semi-automatic algorithm based on log-polar transform cross-correlation using manually segmented blood vessels (LPCC_MSBV), were ...
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      Mentions: Yale University Thomas E. Milner University of Texas at Austin

    14. Fourier optics analysis of phase-mask-based path-length-multiplexed optical coherence tomography

      Explore OSA | OSA Publishing
      Fourier optics analysis of phase-mask-based path-length-multiplexed optical coherence tomography
      Imaging below fingertip surface might be a useful alternative to the traditional fingerprint sensing since the internal finger features are more reliable than the external ones. One of the most promising subsurface imaging technique is optical coherence tomography (OCT), which, however, has to acquire 3-D data even when a single en face image is required. This makes OCT inherently slow for en face imaging and produce unnecessary large data sets ...
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      Mentions: Thomas E. Milner Marc D. Feldman University of Texas at Austin

    15. Clinical utility of quantitative bright spots analysis in patients with acute coronary syndrome: an optical coherence tomography study

      Explore Home - Springer Cardiology
      Clinical utility of quantitative bright spots analysis in patients with acute coronary syndrome: an optical coherence tomography study
      To investigate the clinical significance of bright spots in coronary plaque detected by optical coherence tomography (OCT) in patients with coronary artery disease. We identified 112 patients [acute coronary syndromes (ACS): n = 50, stable angina pectoris (SAP): n = 62] who underwent OCT imaging of the culprit lesion. A novel OCT algorithm was applied to detect bright spots representing the juxtaposition of a variety of plaque components including macrophages. The density ...
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      Mentions: Massachusetts General Hospital Ik-Kyung Jang Thomas E. Milner

    16. Translating Intravascular Optical Coherence Tomography from a Research to a Clinical Tool

      Explore Home - Springer Cardiology
      Translating Intravascular Optical Coherence Tomography from a Research to a Clinical Tool
      Intravascular optical coherence tomography (IVOCT) continues to be a hot topic as a method for studying vulnerable plaque in research laboratories across the globe. It is also growing in popularity as a tool for interventional cardiologists to guide percutaneous coronary intervention (PCI). The power of IVOCT for diagnosis of thin-capped fibroatheromas (TCFAs) has yet to receive mainstream clinical attention due to the fact that clinicians still do not have a ...
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      Mentions: Thomas E. Milner Marc D. Feldman University of Texas at Austin
    17. 1-15 of 126 1 2 3 4 5 6 7 8 9 »
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  4. About University of Texas at Austin

    University of Texas at Austin

    The University of Texas at Austin is the largest institution of The University of Texas System. The University of Texas at Austin is a major research university home to more than 48,000 students, 2,700 faculty and 19,000 staff members. The University of Texas Department of Biomedical Engineering is a joint venture among the Department of Biomedical Engineering at The University of Texas at Austin, The University of Texas M. D. Anderson Cancer Center and the University of Texas Health Science Center at Houston. It was established as a joint department spanning the three institutions on Sept. 1, 2006.

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