Quan Liu

Summary

Affiliation: Duke University Medical Center
Country: USA

Publications

  1. ncbi Sequential estimation of optical properties of a two-layered epithelial tissue model from depth-resolved ultraviolet-visible diffuse reflectance spectra
    Quan Liu
    Department of Biomedical Engineering, Duke University, Durham, North Carolina 27708 0281, USA
    Appl Opt 45:4776-90. 2006
  2. ncbi Scaling method for fast Monte Carlo simulation of diffuse reflectance spectra from multilayered turbid media
    Quan Liu
    Department of Biomedical Engineering, Duke University, 136 Hudson Hall, Box 90281, Durham, North Carolina 27708 0281, USA
    J Opt Soc Am A Opt Image Sci Vis 24:1011-25. 2007
  3. ncbi Investigation of fiber-optic probe designs for optical spectroscopic diagnosis of epithelial pre-cancers
    Melissa C Skala
    Department of Biomedical Engineering, University of Wisconsin, 1550 Engineering Drive, Madison, WI 53706, USA
    Lasers Surg Med 34:25-38. 2004
  4. ncbi Experimental validation of Monte Carlo modeling of fluorescence in tissues in the UV-visible spectrum
    Quan Liu
    University of Wisconsin-Madison, Department of Biomedical Engineering, Madison, Wisconsin 53706, USA
    J Biomed Opt 8:223-36. 2003
  5. ncbi Experimental proof of the feasibility of using an angled fiber-optic probe for depth-sensitive fluorescence spectroscopy of turbid media
    Quan Liu
    Department of Biomedical Engineering, University of Wisconsin Madison, Madison, Wisconsin 53706, USA
    Opt Lett 29:2034-6. 2004
  6. ncbi Modeling of nonphase mechanisms in ultrasonic modulation of light propagation
    Quan Liu
    Department of Biomedical Engineering, Duke University, Room 136, Hudson Hall, Box 90281, Durham, North Carolina 27708 0281, USA
    Appl Opt 47:3619-30. 2008
  7. ncbi Effect of fiber optic probe geometry on depth-resolved fluorescence measurements from epithelial tissues: a Monte Carlo simulation
    Changfang Zhu
    University of Wisconsin-Madison, Department of Electrical and Computer Engineering, Madison, Wisconsin 53706, USA
    J Biomed Opt 8:237-47. 2003
  8. ncbi Enhancement of internal-noise coherence resonance by modulation of external noise in a circadian oscillator
    Ming Yi
    Department of Physics and Institute of Biophysics, Central China Normal University, Wuhan 430079, China
    Phys Rev E Stat Nonlin Soft Matter Phys 73:041923. 2006
  9. ncbi Fluctuations-induced switch in the gene transcriptional regulatory system
    Quan Liu
    Department of Physics, Central China Normal University, Wuhan 430079, China
    Phys Rev E Stat Nonlin Soft Matter Phys 70:041907. 2004
  10. ncbi Effects of both glucose and IP3 concentrations on action potentials in pancreatic beta-cells
    Xuan Zhan
    Department of Physics, Central China Normal University, Wuhan 430079, China
    Eur Biophys J 36:187-97. 2007

Collaborators

Detail Information

Publications11

  1. ncbi Sequential estimation of optical properties of a two-layered epithelial tissue model from depth-resolved ultraviolet-visible diffuse reflectance spectra
    Quan Liu
    Department of Biomedical Engineering, Duke University, Durham, North Carolina 27708 0281, USA
    Appl Opt 45:4776-90. 2006
    ..The application of a variance reduction technique to the Monte Carlo modeling proved to be effective in improving the accuracy with which the optical properties are estimated...
  2. ncbi Scaling method for fast Monte Carlo simulation of diffuse reflectance spectra from multilayered turbid media
    Quan Liu
    Department of Biomedical Engineering, Duke University, 136 Hudson Hall, Box 90281, Durham, North Carolina 27708 0281, USA
    J Opt Soc Am A Opt Image Sci Vis 24:1011-25. 2007
    ..3 to 1.4, the RMSE was less than 10%. The scaling method can reduce computation time by more than 2 orders of magnitude compared with independent Monte Carlo simulations...
  3. ncbi Investigation of fiber-optic probe designs for optical spectroscopic diagnosis of epithelial pre-cancers
    Melissa C Skala
    Department of Biomedical Engineering, University of Wisconsin, 1550 Engineering Drive, Madison, WI 53706, USA
    Lasers Surg Med 34:25-38. 2004
    ....
  4. ncbi Experimental validation of Monte Carlo modeling of fluorescence in tissues in the UV-visible spectrum
    Quan Liu
    University of Wisconsin-Madison, Department of Biomedical Engineering, Madison, Wisconsin 53706, USA
    J Biomed Opt 8:223-36. 2003
    ..The fiber optic probe geometries that are modeled in this study include those commonly used for measuring fluorescence from tissues in practice...
  5. ncbi Experimental proof of the feasibility of using an angled fiber-optic probe for depth-sensitive fluorescence spectroscopy of turbid media
    Quan Liu
    Department of Biomedical Engineering, University of Wisconsin Madison, Madison, Wisconsin 53706, USA
    Opt Lett 29:2034-6. 2004
    ..Monte Carlo simulations of a theoretical model of the phantoms demonstrate that increasing the illumination angle results in an increased excitation photon density and, thus, in increased fluorescence generated in the top layer...
  6. ncbi Modeling of nonphase mechanisms in ultrasonic modulation of light propagation
    Quan Liu
    Department of Biomedical Engineering, Duke University, Room 136, Hudson Hall, Box 90281, Durham, North Carolina 27708 0281, USA
    Appl Opt 47:3619-30. 2008
    ..Furthermore it is found that the modulation depth in reflectance due to the exit location variation is larger than that in transmittance for small source-detector separations...
  7. ncbi Effect of fiber optic probe geometry on depth-resolved fluorescence measurements from epithelial tissues: a Monte Carlo simulation
    Changfang Zhu
    University of Wisconsin-Madison, Department of Electrical and Computer Engineering, Madison, Wisconsin 53706, USA
    J Biomed Opt 8:237-47. 2003
    ..The simulation results are used to design a simple fiber optic probe that combines both the VA and MD geometries to enable fluorescence measurements from the different sublayers within human epithelial tissues...
  8. ncbi Enhancement of internal-noise coherence resonance by modulation of external noise in a circadian oscillator
    Ming Yi
    Department of Physics and Institute of Biophysics, Central China Normal University, Wuhan 430079, China
    Phys Rev E Stat Nonlin Soft Matter Phys 73:041923. 2006
    ..Another interesting result is that the external noise can regulate the optimal system size when the internal-noise coherence resonance occurs...
  9. ncbi Fluctuations-induced switch in the gene transcriptional regulatory system
    Quan Liu
    Department of Physics, Central China Normal University, Wuhan 430079, China
    Phys Rev E Stat Nonlin Soft Matter Phys 70:041907. 2004
    ....
  10. ncbi Effects of both glucose and IP3 concentrations on action potentials in pancreatic beta-cells
    Xuan Zhan
    Department of Physics, Central China Normal University, Wuhan 430079, China
    Eur Biophys J 36:187-97. 2007
    ....
  11. ncbi 4-Oxo-2-nonenal is both more neurotoxic and more protein reactive than 4-hydroxy-2-nonenal
    De Lin
    Department of Chemistry, Case Western Reserve University, Cleveland, Ohio 44106, USA
    Chem Res Toxicol 18:1219-31. 2005
    ..The greater neurotoxicity of ONE could reflect in part the different reactivity characteristics of ONE as compared to HNE...