1. I. Alex Vitkin

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    1. Mentioned In 74 Articles

    2. Development of quantitative parameters to assess in-vivo optical coherence tomography images of late oral radiation toxicity patients

      Development of quantitative parameters to assess in-vivo optical coherence tomography images of late oral radiation toxicity patients
      ...tients Bahar Davoudi ; Vani Damodaran ; Kostadinka Bizheva ; Victor Yang ; Robert Dinniwell ; Wilfred Levin ; Alex Vitkin; Development of quantitative parameters to assess in-vivo optical coherence tomography images of l...
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    3. Optical assessment of tissue anisotropy in ex vivo distended rat bladders

      Optical assessment of tissue anisotropy in ex vivo distended rat bladders
      Microstructural remodelling in epithelial layers of various hollow organs, including changes in tissue anisotropy, are known to occur under mechanical distension and during disease processes. In this paper, we analyze how bladder distension alters wall anisotropy using polarized light imaging (followed by Mueller matrix decomposition). Optical retardance values of different regions of normal rat bladders under different distension pressures are derived. Then optical coherence tomography is used to measure local ...
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    4. OCT monitoring of cosmetic creams in human skin in vivo

      OCT monitoring of cosmetic creams in human skin in vivo
      Optical coherence tomography (OCT) is a tool currently used for noninvasive diagnosis of human disease as well as for monitoring treatment during or after therapy. In this study, OCT was used to examine penetration and accumulation of cosmetic creams on human hand skin. The samples varied in collagen content with one formulation containing soluble collagen as its primary active ingredient. Collagen is a major connective tissue protein that is essential ...
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    5. A healing light: how lasers can diagnose and treat disease

      A healing light: how lasers can diagnose and treat disease
      William Whelan has seen the light, and it has healing powers. The University of Prince Edward Island physics professor specializes in biomedical optics, a growing field that uses lasers and light to detect, diagnose and treat disease. Dr. Whelan moved to UPEI from the University of Toronto in 2008 as a Canada Research Chair in Biomedical Optics. His main research interest is new diagnostic and therapeutic technologies deploying sound as ...
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    6. Optical Coherence Tomography Used $500M of Federally Funded Research Over The Past Decade: How was it Used, What was Accomplished, and What’s to Come?

      Optical Coherence Tomography Used $500M of Federally Funded Research Over The Past Decade: How was it Used, What was Accomplished, and What’s to Come?
      ...echnology development (not mainly OCT) but in keeping with the original search criterion they were included.  Alex Vitkin, Victor Yang, Marinko Saurnic, Kostadinka Bizheva, Thomas Tiedje, and Brian Wilson are the top 6 C...
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    7. Simultaneous 6-channel optical coherence tomography using a high-power telescope-less polygon-based swept laser in dual amplifier configuration

      Simultaneous 6-channel optical coherence tomography using a high-power telescope-less polygon-based swept laser in dual amplifier configuration
      ...d Adrian Mariampillai Univ. of Toronto (Canada) Beau A. Standish Ryerson Univ. (Canada) Kenneth K. C. Lee and I. Alex Vitkin Univ. of Toronto (Canada) Victor X. D. Yang Ryerson Univ. (Canada) Multichannel^ optical cohere...
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    8. 46-60 of 74 « 1 2 3 4 5 »
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  2. About I. Alex Vitkin

    I. Alex Vitkin

    Alex Vitkin is an engineering physicist/biomedical engineer by training, with further specialization in medical physics and applications of lasers in medicine. He is currently a professor of Medical Biophysics and Radiation Oncology at the University of Toronto, a senior scientist in the division of BioPhysics and BioImaging at the Ontario Cancer Institute, and a clinical medical physicist at Princess Margaret Hospital (all in Toronto, Ontario, Canada). His research is the field of biophotonics, with particular emphasis on optical coherence tomography, tissue polarimetry, and optical fiber sensors. He has published over 140 papers and book chapters on diagnostic and therapeutic uses of light in biomedicine, holds several patents in the field, and currently runs a large laboratory with several undergraduate/graduate students and post-doctoral/clinical fellows. His laboratory works closely with clinicians and with industry, and he is a consultant for several biophotonics companies. He has been a Guest Editor for the Optics and Photonics News special issue on Biophotonics, for the Journal of Applied Physics special issue on Applied Biophysics, for the Journal of Biomedical Optics special issue on Advanced Coherence Domain Methods, and currently serves as a topical editor of Optics Letters (second 3-year term). He has lectured widely at national and international levels, including delivering special seminars and summer school modules on biophotonics in Mexico, Brazil, Taiwan, New Zealand, Ukraine, Germany, USA, Cyprus, and Russia; he is currently an active participant in the SPIE Visiting Lecturer and OSA Travelling Lecturer programs. Dr. Vitkin is also a board-certified medical physicist through the CanadianCollege of Physicists in Medicine (CCPM), and a Fellow of the Optical Society of America (OSA) and of the Society of Photo-Optical Instrumentation Engineers (SPIE).