Hyejun Ra

Summary

Affiliation: Stanford University
Country: USA

Publications

  1. pmc Three-dimensional in vivo imaging by a handheld dual-axes confocal microscope
    Hyejun Ra
    Department of Electrical Engineering, Stanford University, Stanford, CA 94305, USA
    Opt Express 16:7224-32. 2008
  2. pmc Assessing delivery and quantifying efficacy of small interfering ribonucleic acid therapeutics in the skin using a dual-axis confocal microscope
    Hyejun Ra
    Stanford University, Department of Electrical Engineering, Ginzton Laboratory, Stanford, California 94305, USA
    J Biomed Opt 15:036027. 2010
  3. pmc In vivo imaging of human and mouse skin with a handheld dual-axis confocal fluorescence microscope
    Hyejun Ra
    James H Clark Center for Biomedical Engineering and Sciences, Department of Pediatrics, Stanford University, Stanford, California 94305, USA
    J Invest Dermatol 131:1061-6. 2011
  4. pmc Miniature near-infrared dual-axes confocal microscope utilizing a two-dimensional microelectromechanical systems scanner
    Jonathan T C Liu
    Edward L Ginzton Laboratory, Stanford University, Stanford, California 94305, USA
    Opt Lett 32:256-8. 2007
  5. pmc In vivo near-infrared dual-axis confocal microendoscopy in the human lower gastrointestinal tract
    Wibool Piyawattanametha
    Stanford University, James H Clark Center for Biomedical Engineering and Sciences, Department of Pediatrics, Stanford, California 94305, USA
    J Biomed Opt 17:021102. 2012
  6. pmc Micromirror-scanned dual-axis confocal microscope utilizing a gradient-index relay lens for image guidance during brain surgery
    Jonathan T C Liu
    Stanford University School of Medicine, Clark Center for Biomedical Engineering and Science, Stanford, California 94305, USA
    J Biomed Opt 15:026029. 2010
  7. pmc In vivo brain imaging using a portable 2.9 g two-photon microscope based on a microelectromechanical systems scanning mirror
    Wibool Piyawattanametha
    James H Clark Center for Biomedical Engineering and Sciences, Stanford University, Stanford, California 94305, USA
    Opt Lett 34:2309-11. 2009
  8. pmc Fast-scanning two-photon fluorescence imaging based on a microelectromechanical systems two- dimensional scanning mirror
    Wibool Piyawattanametha
    James H Clark Center for Biomedical Engineering and Sciences, Stanford University, Stanford, California 94305, USA
    Opt Lett 31:2018-20. 2006
  9. pmc Miniaturized probe for femtosecond laser microsurgery and two-photon imaging
    Christopher L Hoy
    Department of Mechanical Engineering, The University of Texas at Austin, Austin, TX 78712, USA
    Opt Express 16:9996-10005. 2008

Collaborators

Detail Information

Publications9

  1. pmc Three-dimensional in vivo imaging by a handheld dual-axes confocal microscope
    Hyejun Ra
    Department of Electrical Engineering, Stanford University, Stanford, CA 94305, USA
    Opt Express 16:7224-32. 2008
    ..The transverse and axial resolutions of the handheld probe are 1.7 microm and 5.8 microm, respectively. Capability to perform real time small animal imaging is demonstrated in vivo in transgenic mice...
  2. pmc Assessing delivery and quantifying efficacy of small interfering ribonucleic acid therapeutics in the skin using a dual-axis confocal microscope
    Hyejun Ra
    Stanford University, Department of Electrical Engineering, Ginzton Laboratory, Stanford, California 94305, USA
    J Biomed Opt 15:036027. 2010
    ..Visualization of transdermal delivery of nucleic acids will play an important role in the development of innovative strategies for treating skin pathologies...
  3. pmc In vivo imaging of human and mouse skin with a handheld dual-axis confocal fluorescence microscope
    Hyejun Ra
    James H Clark Center for Biomedical Engineering and Sciences, Department of Pediatrics, Stanford University, Stanford, California 94305, USA
    J Invest Dermatol 131:1061-6. 2011
    ..These results suggest that in vivo confocal microscopy may provide an informative clinical end point to evaluate the efficacy of experimental molecular therapeutics...
  4. pmc Miniature near-infrared dual-axes confocal microscope utilizing a two-dimensional microelectromechanical systems scanner
    Jonathan T C Liu
    Edward L Ginzton Laboratory, Stanford University, Stanford, California 94305, USA
    Opt Lett 32:256-8. 2007
    ..Reflectance and fluorescence images are obtained with a laser source at 785 nm, demonstrating the ability to perform real-time optical biopsy...
  5. pmc In vivo near-infrared dual-axis confocal microendoscopy in the human lower gastrointestinal tract
    Wibool Piyawattanametha
    Stanford University, James H Clark Center for Biomedical Engineering and Sciences, Department of Pediatrics, Stanford, California 94305, USA
    J Biomed Opt 17:021102. 2012
    ..These results suggest that DAC microendoscopy may have utility for visualizing the anatomical and, perhaps, functional changes associated with colorectal pathology for the early detection of colorectal cancer...
  6. pmc Micromirror-scanned dual-axis confocal microscope utilizing a gradient-index relay lens for image guidance during brain surgery
    Jonathan T C Liu
    Stanford University School of Medicine, Clark Center for Biomedical Engineering and Science, Stanford, California 94305, USA
    J Biomed Opt 15:026029. 2010
    ..Optically sectioned fluorescence images of brain tissues are obtained in living mice to demonstrate the utility of this microscope for image-guided resections...
  7. pmc In vivo brain imaging using a portable 2.9 g two-photon microscope based on a microelectromechanical systems scanning mirror
    Wibool Piyawattanametha
    James H Clark Center for Biomedical Engineering and Sciences, Stanford University, Stanford, California 94305, USA
    Opt Lett 34:2309-11. 2009
    ..Using this microscope we imaged neocortical microvasculature and tracked the flow of erythrocytes in live mice...
  8. pmc Fast-scanning two-photon fluorescence imaging based on a microelectromechanical systems two- dimensional scanning mirror
    Wibool Piyawattanametha
    James H Clark Center for Biomedical Engineering and Sciences, Stanford University, Stanford, California 94305, USA
    Opt Lett 31:2018-20. 2006
    ..Using such scanners we demonstrated two-photon microscopy and microendoscopy with fast-axis acquisition rates up to 3.52 kHz...
  9. pmc Miniaturized probe for femtosecond laser microsurgery and two-photon imaging
    Christopher L Hoy
    Department of Mechanical Engineering, The University of Texas at Austin, Austin, TX 78712, USA
    Opt Express 16:9996-10005. 2008
    ..Field of view is 310 microm in diameter and the lateral and axial resolutions are 1.64 microm and 16.4 microm, respectively. Combined imaging and microsurgery is demonstrated using live cancer cells...