1. University of Missouri

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    1. Mentioned In 30 Articles

    2. Heart structural remodeling in a mouse model of Duchenne cardiomyopathy revealed using optical polarization tractography [Invited]

      Explore OSA | OSA Publishing Developmental Biology
      Heart structural remodeling in a mouse model of Duchenne cardiomyopathy revealed using optical polarization tractography [Invited]
      We investigated the heart structural remodeling in the mdx4cv mouse model of Duchenne cardiomyopathy using optical polarization tractography. Whole heart tractography was obtained in freshly dissected hearts from six mdx4cv mice. Six hearts from C57BL/6J mice were also imaged as the normal control. The mdx4cv hearts were significantly larger than the control hearts and had significantly higher betweensubject variations in myofiber organization. While both strains showed classic cross-helical fiber ...
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      Mentions: University of Missouri

    3. Spatial convolution for mirror image suppression in Fourier domain optical coherence tomography

      Explore OSA | OSA Publishing
      Spatial convolution for mirror image suppression in Fourier domain optical coherence tomography
      We developed a spatial convolution approach for mirror image suppression in phase-modulated Fourier domain optical coherence tomography, and demonstrated it in vivo for small animal imaging. Utilizing the correlation among neighboring A-scans, the mirror image suppression process was simplified to a three-parameter convolution. By adjusting the three parameters, we can implement different Fourier domain sideband windows, which is important but complicated in existing approaches. By properly selecting the window size ...
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      Mentions: University of Missouri

    4. Nondestructive imaging of fiber structure in articular cartilage using optical polarization tractography

      Explore SPIE | Journal
      Nondestructive imaging of fiber structure in articular cartilage using optical polarization tractography
      Collagen fiber orientation plays an important role in determining the structure and function of the articular cartilage. However, there is currently a lack of nondestructive means to image the fiber orientation from the cartilage surface. The purpose of this study is to investigate whether the newly developed optical polarization tractography (OPT) can image fiber structure in articular cartilage. OPT was applied to obtain the depth-dependent fiber orientation in fresh articular ...
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      Mentions: University of Missouri

    5. Optical polarization tractography based on polarization-sensitive optical coherence tomography

      Explore Conference Proceedings
      Optical polarization tractography based on polarization-sensitive optical coherence tomography
      Fibrous tissues exist in many parts of the body, where the directional fiber organization is critical in maintaining their normal functions. Disruption of the normal fibrous structure is often linked to tissue dysfunction. An imaging tool that can reveal the detailed fiber architecture will be valuable for our understanding of the structure-function relationship in these tissues. Here, we described a new high-resolution tractography method developed from Jones matrix polarization sensitive ...
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      Mentions: Gang Yao University of Missouri

    6. High resolution imaging of the fibrous microstructure in bovine common carotid artery using optical polarization tractography

      Explore Wiley Online Library Cardiology
      High resolution imaging of the fibrous microstructure in bovine common carotid artery using optical polarization tractography
      Optical polarization tractography can visualize fiber orientation and alignment in carotid artery. The biomechanical properties of artery are primarily determined by the fibrous structures in the vessel wall. Many vascular diseases are associated with alternations in the orientation and alignment of the fibrous structure in the arterial wall. Knowledge on the structural features of the artery wall is crucial to our understanding of the biology of vascular diseases and the ...
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      Mentions: Gang Yao University of Missouri

    8. Clinical application of optical coherence tomography in combination with functional diagnostics: advantages and limitations for diagnosis and assessment of therapy outcome in central serous chorioretinopathy

      Explore Medical Journals Publisher Cardiology
      Clinical application of optical coherence tomography in combination with functional diagnostics: advantages and limitations for diagnosis and assessment of therapy outcome in central serous chorioretinopathy
      ...ukunju, Nelson R Sabates, Peter Koulen, Felix N Sabates Vision Research Center, Department of Ophthalmology, University of Missouri – Kansas City, School of Medicine, Kansas City, MO, USA Purpose: While identifying fun...
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      Mentions: University of Missouri Gary Gallimore Scott E. Fraser

    11. Optical tractography of the mouse heart using polarization-sensitive optical coherence tomography

      Explore opticsinfobase.org Cardiology
      Optical tractography of the mouse heart using polarization-sensitive optical coherence tomography
      We developed a method to image myocardial fiber architecture in the mouse heart using a Jones matrix-based polarization-sensitive optical coherence tomography (PSOCT) system. The cross-helical laminar structure of myocardial fibers can be clearly visualized using this technology. The obtained myocardial fiber organization agrees well with existing knowledge acquired using conventional histology and diffusion tensor magnetic resonance imaging
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      Mentions: Gang Yao University of Missouri

    13. Mapping local optical axis in birefringent samples using polarization-sensitive optical coherence tomography

      Explore SPIE | Journal
      Mapping local optical axis in birefringent samples using polarization-sensitive optical coherence tomography
      An algorithm was developed to obtain depth-resolved local optical axis in birefringent samples by using conventional polarization-sensitive optical coherence tomography (PSOCT) that uses a single circularly polarized incident light. The round-trip sample Jones matrices were first constructed from the cumulative PSOCT results. An iterative method was then applied to construct the depth-resolved local Jones matrix from which the local optical axis was calculated. The proposed algorithm was validated in samples ...
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      Mentions: Gang Yao University of Missouri

    14. Full-range spectral domain Jones matrix optical coherence tomography using a single spectral camera

      Explore opticsinfobase.org
      Full-range spectral domain Jones matrix optical coherence tomography using a single spectral camera
      Jones matrix optical coherence tomography can fully characterize depth-resolved polarization properties in tissue. In this report, we described a simple single-camera based implementation of full-range spectral domain Jones matrix optical coherence tomography. The Jones matrix reconstruction algorithm was described in detail and system calibration was demonstrated with comprehensive examples. In addition to the conventional structural image, the images of retardance, optical axis and relative attenuation can be obtained from the ...
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      Mentions: Gang Yao University of Missouri

    15. 3D imaging of tomato seeds using frequency domain optical coherence tomography

      Explore Linking to Scitation Content Other Non-Medical
      3D imaging of tomato seeds using frequency domain optical coherence tomography
      A fast imaging system that can reveal internal sample structures is important for research and quality controls of seeds. Optical coherence tomography (OCT) is a non-invasive optical imaging technique that can acquire high speed, high resolution depth-resolved images in scattering samples. It has found numerous applications in studying various biological tissues and other materials in vivo. A few studies have reported the use of OCT in studying seed morphology. However ...
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      Mentions: Gang Yao University of Missouri

    16. Mapping local retardance in birefringent samples using polarization sensitive optical coherence tomography

      Explore opticsinfobase.org
      Mapping local retardance in birefringent samples using polarization sensitive optical coherence tomography
      We proposed a method to extract depth-resolved local retardance in birefringent samples from conventional polarization-sensitive optical coherence tomography (PSOCT) that uses one circularly polarized incident light. Despite the wide use of such PSOCT systems in characterizing birefringent samples, the measured cumulative retardance does not represent the true cumulative retardance when optical axis varies with depth. A Jones calculus based algorithm was designed to derive the local depth-resolved retardance from conventional ...
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      Mentions: Gang Yao University of Missouri
    17. 1-15 of 30 1 2 »
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  4. About University of Missouri

    University of Missouri

    University of Missouri (Mizzou, MU, University of Missouri–Columbia or simply Missouri) is a public research university located in the state of Missouri. In 1839 the university was founded in Columbia, Missouri, as the first public institution of higher education west of the Mississippi River. The largest university in Missouri, MU enrolls 33,805 students in 20 academic colleges in the 2011–12 year. The university is the flagship of the University of Missouri System which maintains campuses in Rolla, Kansas City and St. Louis. MU is one of 34 public universities to be members of the Association of American Universities and the only one in Missouri. There are more than 262,000 MU alumni living worldwide, with almost half continuing to reside in Missouri. The University of Missouri was ranked 90th in the 2012 U.S. News & World Report among the national universities, up four spots from 2011. It is the highest-ranked public school in the state and second overall (tied with Saint Louis University).

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