Ji Yi

Summary

Affiliation: Northwestern University
Country: USA

Publications

  1. pmc Can OCT be sensitive to nanoscale structural alterations in biological tissue?
    Ji Yi
    Department of Biomedical Engineering, Northwestern University, 2145 Sheridan Rd, Evanston, IL 60208, USA
    Opt Express 21:9043-59. 2013
  2. ncbi request reprint Analyzing absorption and scattering spectra of micro-scale structures with spectroscopic optical coherence tomography
    Ji Yi
    Biomedical Engineering Department, Northwestern University, 2145 Sheridan Rd, Evanston IL, 60208 USA
    Opt Express 17:13157-67. 2009
  3. doi request reprint Estimation of oxygen saturation from erythrocytes by high-resolution spectroscopic optical coherence tomography
    Ji Yi
    Biomedical Engineering Department, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, USA
    Opt Lett 35:2094-6. 2010
  4. pmc Ultrastructural alterations in field carcinogenesis measured by enhanced backscattering spectroscopy
    Andrew J Radosevich
    Northwestern University, Department of Biomedical Engineering, Tech E310, 2145 Sheridan Road, Evanston, Illinois 60208
    J Biomed Opt 18:097002. 2013
  5. doi request reprint Spatially resolved optical and ultrastructural properties of colorectal and pancreatic field carcinogenesis observed by inverse spectroscopic optical coherence tomography
    Ji Yi
    Northwestern University, Department of Biomedical Engineering, 2145 Sheridan Road, Evanston, Illinois 60208
    J Biomed Opt 19:36013. 2014
  6. pmc Measurement of the spatial backscattering impulse-response at short length scales with polarized enhanced backscattering
    Andrew J Radosevich
    Biomedical Engineering, Northwestern University, Evanston, Illinois 60208, USA
    Opt Lett 36:4737-9. 2011
  7. doi request reprint Visible-light optical coherence tomography for retinal oximetry
    Ji Yi
    Department of Biomedical Engineering, Northwestern University, Evanston, Illinois 60208, USA
    Opt Lett 38:1796-8. 2013
  8. pmc Structural length-scale sensitivities of reflectance measurements in continuous random media under the Born approximation
    Andrew J Radosevich
    Biomedical Engineering, Northwestern University, Evanston, Illinois 60208, USA
    Opt Lett 37:5220-2. 2012
  9. pmc Characterization of malignant brain tumor using elastic light scattering spectroscopy
    Jianmin Gong
    Department of Biomedical Engineering, Northwestern University, Evanston, IL 60208, USA
    Dis Markers 25:303-12. 2008
  10. pmc Automatic retinal vessel segmentation based on active contours method in Doppler spectral-domain optical coherence tomography
    Wenzhong Liu
    Northwestern University, Department of Biomedical Engineering, 2145 Sheridan Road, Evanston, Illinois 60208, USA
    J Biomed Opt 18:16002. 2013

Collaborators

Detail Information

Publications12

  1. pmc Can OCT be sensitive to nanoscale structural alterations in biological tissue?
    Ji Yi
    Department of Biomedical Engineering, Northwestern University, 2145 Sheridan Rd, Evanston, IL 60208, USA
    Opt Express 21:9043-59. 2013
    ..Finally, the 3D imaging capability of ISOCT is demonstrated with ex vivo rat buccal and human colon samples...
  2. ncbi request reprint Analyzing absorption and scattering spectra of micro-scale structures with spectroscopic optical coherence tomography
    Ji Yi
    Biomedical Engineering Department, Northwestern University, 2145 Sheridan Rd, Evanston IL, 60208 USA
    Opt Express 17:13157-67. 2009
    ..Two different types of microspheres in gel phantom are discriminated based on their distinguished absorbent feature...
  3. doi request reprint Estimation of oxygen saturation from erythrocytes by high-resolution spectroscopic optical coherence tomography
    Ji Yi
    Biomedical Engineering Department, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, USA
    Opt Lett 35:2094-6. 2010
    ..The result shows a reliable linear association between the SaO(2) derived from SOCT and the DS measurement, indicating this methodology has potential on in vivo applications to evaluate blood oxygenation...
  4. pmc Ultrastructural alterations in field carcinogenesis measured by enhanced backscattering spectroscopy
    Andrew J Radosevich
    Northwestern University, Department of Biomedical Engineering, Tech E310, 2145 Sheridan Road, Evanston, Illinois 60208
    J Biomed Opt 18:097002. 2013
    ..Second, these changes are predominantly attributable to a reduction in the presence of subdiffractional structures. Third, similar trends are seen for both cancer types, suggesting a common progression of structural alterations in each...
  5. doi request reprint Spatially resolved optical and ultrastructural properties of colorectal and pancreatic field carcinogenesis observed by inverse spectroscopic optical coherence tomography
    Ji Yi
    Northwestern University, Department of Biomedical Engineering, 2145 Sheridan Road, Evanston, Illinois 60208
    J Biomed Opt 19:36013. 2014
    ..We further verified that the chromatin clumping in epithelial cells and collagen cross-linking caused D to increase in vitro and could be among the mechanisms responsible for the observed changes in epithelium and stroma, respectively...
  6. pmc Measurement of the spatial backscattering impulse-response at short length scales with polarized enhanced backscattering
    Andrew J Radosevich
    Biomedical Engineering, Northwestern University, Evanston, Illinois 60208, USA
    Opt Lett 36:4737-9. 2011
    ..We conclude by demonstrating the extraordinary sensitivity of our technique to the shape of the scattering phase function, including higher order shape parameters than the anisotropy factor (or first moment)...
  7. doi request reprint Visible-light optical coherence tomography for retinal oximetry
    Ji Yi
    Department of Biomedical Engineering, Northwestern University, Evanston, Illinois 60208, USA
    Opt Lett 38:1796-8. 2013
    ..We found that averaged sO(2) values in arterial and venous bloods were 95% and 72%, respectively...
  8. pmc Structural length-scale sensitivities of reflectance measurements in continuous random media under the Born approximation
    Andrew J Radosevich
    Biomedical Engineering, Northwestern University, Evanston, Illinois 60208, USA
    Opt Lett 37:5220-2. 2012
    ..9 nm to 2.07 μm (i.e., λ/13 to 3λ), μb is sensitive from 26.7 to 320 nm (i.e., λ/24 to λ/2), and the spatial reflectance profile is sensitive from 30.8 nm to 2.71 μm (i.e., λ/21 to 4λ)...
  9. pmc Characterization of malignant brain tumor using elastic light scattering spectroscopy
    Jianmin Gong
    Department of Biomedical Engineering, Northwestern University, Evanston, IL 60208, USA
    Dis Markers 25:303-12. 2008
    ..We also demonstrate that all three classification methods discriminate between tumor and normal tissue and have the potential to identify and quantitatively characterize tumor-infiltrated brain tissues...
  10. pmc Automatic retinal vessel segmentation based on active contours method in Doppler spectral-domain optical coherence tomography
    Wenzhong Liu
    Northwestern University, Department of Biomedical Engineering, 2145 Sheridan Road, Evanston, Illinois 60208, USA
    J Biomed Opt 18:16002. 2013
    ..We tested the active contours method segmentation in both controlled phantom and in vivo rodent eye images...
  11. pmc Structured interference optical coherence tomography
    Ji Yi
    Department of Biomedical Engineering, Northwestern University, Evanston, Illinois 60208, USA
    Opt Lett 37:3048-50. 2012
    ..5 μm, surpassing the diffraction limit ~9.6 μm as in conventional Fourier-domain optical coherence tomography. SIOCT was demonstrated on phantoms and ex vivo adipose tissues...
  12. pmc Imaging a full set of optical scattering properties of biological tissue by inverse spectroscopic optical coherence tomography
    Ji Yi
    Department of Biomedical Engineering, Northwestern University, Evanston, Illinois 60208, USA
    Opt Lett 37:4443-5. 2012
    ....