1. Featured Articles

    1-10 of 10
    1. Longitudinal shear wave imaging for elasticity mapping using optical coherence elastography

      Longitudinal shear wave imaging for elasticity mapping using optical coherence elastography

      Shear wave measurements for the determination of tissue elastic properties have been used in clinical diagnosis and soft tissue assessment. A shear wave propagates as a transverse wave where vibration is perpendicular to the wave propagation direction. Previous transverse shear wave measurements could detect the shear modulus in the lateral region of the force; however, they could not provide the elastic information in the axial region of the force. In this study, we report the imaging and quantification of longitudinal shear wave propagation using optical coherence tomography to measure the elastic properties along the force direction. The experimental validation and ...

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    2. Faculty Position at Geisinger Medical Center

      Faculty Position  at Geisinger Medical Center

      JOB SUMMARY: The Department of Imaging Science and Innovation within the Biomedical and Translational Informatics Institute at Geisinger Medical Center in Danville, PA is seeking to hire faculty members at all levels (Assistant, Associate and Professor). The ideal candidate will have a background in engineering, computer science, mathematics, radiology, or related field. In particular, emphasis will be placed on applicants with a record of research accomplishments in translational imaging and image processing, machine learning, and the intersection between radiology and genomics. A successful candidate will have high potential to establish a strong individual research program within a highly collaborative environment ...

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    3. Conical scan pattern for enhanced visualization of the human cornea using polarization-sensitive OCT

      Conical scan pattern for enhanced visualization of the human cornea using polarization-sensitive OCT

      Conventional imaging of the human cornea with optical coherence tomography (OCT) relies on telecentric scanning optics with sampling beams that are parallel to the optical axis of the eye. Because of the shape of the cornea, the beams have in some areas considerable inclination to the corneal surface which is accompanied by low signal intensities in these areas and thus an inhomogeneous appearance of corneal structures. In addition, alterations in the polarization state of the probing light depend on the angle between the imaging beam and the birefringent axis of the sample. Therefore, changes in the polarization state observed with ...

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    4. PhD Student Position in integration of a micromachined endomicroscope for OCT imaging in gastroenterology

      PhD Student Position in integration of a micromachined endomicroscope for OCT imaging in gastroenterology

      The FEMTO-ST Institute (CNRS unit), associated with the Université de Bourgogne et Franche-Comté , announces the opening of a PhD position in integration of a miniature endomicroscope based on MOEMS/microoptical technologies for OCT imaging in gastroenterology. This position can start in October 2017. FEMTO-ST is one of 3 largest research institutes in France in the field of Engineering Sciences, having about 730 employees including more than 150 doctoral students. FEMTO-ST facilities offer the full access to a world-class cleanroom facility (class 10/100). The host team is focusing on MEMS and microoptics. FEMTO-ST received funding from the French government by ...

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    5. New Endoscope to Enable Faster, More Accurate Colorectal Cancer Diagnosis

      New Endoscope to Enable Faster, More Accurate Colorectal Cancer Diagnosis

      Researchers at Tyndall National Institute at UCC are taking part in a new European project to develop a low cost, easy to use 3D imaging system that will help enable faster and more accurate diagnosis of colorectal cancers. The Optical Coherence Tomography (OCT) system is being developed by Tyndall as part of the recently launched PICCOLO project, an EU Horizon 2020 funded initiative, bringing together scientists and clinicians across Europe to create an endoscope probe to better diagnose bowel polyps and early colon cancer. Tyndall researcher, Dr. Brendan Roycroft explains: “ Using breakthrough photonics, (the generation, manipulation and utilisation of light ...

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    6. NinePoint Medical to Feature the NvisionVLE® Imaging System with Real-time Targeting™ at DDW 2017; Twenty-four Scientific Abstracts to be Presented

      NinePoint Medical to Feature the NvisionVLE® Imaging System with Real-time Targeting™ at DDW 2017; Twenty-four Scientific Abstracts to be Presented

      – NinePoint Medical, Inc., a transformative medical device company pioneering the use of advanced Optical Coherence Tomography (OCT) for gastrointestinal applications, will be featuring the NvisionVLE® Imaging System with Real-time Targeting™ at Digestive Disease Week® (DDW) 2017, which will be held May 6-9 in Chicago. In addition, results from various studies utilizing this technology in gastroenterology will be presented in 24 scientific abstracts throughout the conference. Random biopsy is the current standard of care for diagnosing esophageal diseases such as Barrett’s esophagus, squamous cell carcinoma, and adenocarcinoma. However, random biopsies assess less than 3% of the esophageal surface1 , leaving more ...

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    7. Damae Medical Raises €2M in Funding

      Damae Medical Raises €2M in Funding

      Damae Medical , a Paris, France-based medtech company, closed a €2m funding. Backers included Kurma Partners, Idinvest Partners, News Invest, Paris-Saclay Seed Fund co-managed by Partech Ventures, and private investors. The company intends to use the funds to finance the development and CE marking of OCTAV®, which is scheduled for mid-2018. Founded in September 2014 by Anaïs Barut, CEO, Damae Medical aims to provide dermatologists with a novel, in vivo imaging technology for a deep look into the skin. This technology enables cellular-resolution imaging of the skin similar to histology, without the need for tissue excision and processing. The company ...

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    8. Endothelial progenitor cells and plaque burden in stented coronary artery segments: an optical coherence tomography study six months after elective PCI

      Endothelial progenitor cells and plaque burden in stented coronary artery segments: an optical coherence tomography study six months after elective PCI

      Background Endothelial progenitor cells (EPC) are involved in neovascularization and endothelial integrity. They might be protective in atherosclerosis. Optical coherence tomography (OCT) is a precise intracoronary imaging modality that allows assessment of subintimal plaque development. We evaluated the influence of EPC on coronary plaque burden in stable disease and implemented a novel computational plaque analysis algorithm using OCT. Methods Forty-three patients (69.8% males, 69.6 ± 7.7 years) were investigated by OCT during re-angiography 6 months after elective stent implantation. Different subpopulations of EPCs were identified by flow cytometry according to their co-expression of antigens (CD34+, CD133+, kinase domain ...

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    9. Robust and fast characterization of OCT-based optical attenuation using a novel frequency-domain algorithm for brain cancer detection

      Robust and fast characterization of OCT-based optical attenuation using a novel frequency-domain algorithm for brain cancer detection

      Cancer is known to alter the local optical properties of tissues. The detection of OCT-based optical attenuation provides a quantitative method to efficiently differentiate cancer from non-cancer tissues. In particular, the intraoperative use of quantitative OCT is able to provide a direct visual guidance in real time for accurate identification of cancer tissues, especially these without any obvious structural layers, such as brain cancer. However, current methods are suboptimal in providing high-speed and accurate OCT attenuation mapping for intraoperative brain cancer detection. In this paper, we report a novel frequency-domain (FD) algorithm to enable robust and fast characterization of optical ...

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    10. Finalists for the European Inventor Award 2017

      Finalists for the European Inventor Award 2017

      The European Patent Office (EPO) today announced that the team of U.S. Engineers James G. Fujimoto and Eric A. Swanson, and German Physicist Robert Huber, have been named finalists for the European Inventor Award 2017 in the category of “Non-European countries" for medical imaging with optical coherence tomography (OCT). The winners of the 12th edition of the EPO’s annual innovation prize will be announced at a ceremony held on June 15th at the Arsenale di Venezia in Venice, Italy.

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    1-10 of 10
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