R R Alfano

Summary

Affiliation: City University of New York
Country: USA

Publications

  1. ncbi request reprint Advances in optical imaging of biomedical media
    R R Alfano
    New York State Center for Advanced Technology for Ultrafast Photonic Materials and Applications, Physics Department, City College of the City University of New York, New York 10031, USA
    Ann N Y Acad Sci 820:248-70; discussion 271. 1997
  2. ncbi request reprint Time-resolved and nonlinear optical imaging for medical applications
    R R Alfano
    New York State Center for Advanced Technology for Ultrafast Photonic Materials and Applications, Physics Department, City College and Graduate School, City University of New York 10031, USA
    Ann N Y Acad Sci 838:14-28. 1998
  3. ncbi request reprint Near infrared photonic finger imager for prostate cancer screening
    Y Pu
    Institute for Ultrafast Spectropscopy and Lasers, Department of Physics, City College of the City University of New York, 160 Convent Avenue, New York, NY 10031, USA
    Technol Cancer Res Treat 10:507-17. 2011
  4. ncbi request reprint Fractal mechanisms of light scattering in biological tissue and cells
    M Xu
    Institute for Ultrafast Spectroscopy and Lasers, The City College and Graduate Center of City University of New York, NY 10031, USA
    Opt Lett 30:3051-3. 2005
  5. ncbi request reprint Time-resolved fluorescence polarization dynamics and optical imaging of Cytate: a prostate cancer receptor-targeted contrast agent
    Y Pu
    Institute for Ultrafast Spectroscopy and Lasers, New York State Center for Advanced Technology for Ultrafast Photonic Materials and Applications, City College, City University of New York, New York, NY 10031, USA
    Appl Opt 47:2281-9. 2008
  6. ncbi request reprint Ultraviolet-to-visible image conversion microscopy using photoluminescence from self-assembled CdSe/ZnCdMgSe quantum dots and quantum wells
    I Zeylikovich
    Institute for Ultrafast Spectroscopy and Lasers, Department of Physics, City College and Graduate Center, City University of New York, New York, New York 10031, USA
    Appl Opt 48:2942-5. 2009
  7. ncbi request reprint In situ determination of refractive index and size of Bacillus spores by light transmission
    A Katz
    Department of Physics, The City College of New York, New York, New York 10031, USA
    Opt Lett 30:589-91. 2005
  8. ncbi request reprint Time-resolved backscattering of circularly and linearly polarized light in a turbid medium
    Xiaohui Ni
    Institute for Ultrafast Spectroscopy and Lasers, Department of Physics, City College of New York, Graduate School of the City University of New York, New York, New York 10031, USA
    Opt Lett 29:2773-5. 2004
  9. ncbi request reprint Multiple passages of light through an absorption inhomogeneity in optical imaging of turbid media
    M Xu
    Institute for Ultrafast Spectroscopy and Lasers, NY State Center of Advanced Technology for Ultrafast Photonic Materials and Applications, and Dept of Physics, City College and Graduate Center, City University of NY, 10031, USA
    Opt Lett 29:1757-9. 2004
  10. ncbi request reprint Time-resolved Fourier optical diffuse tomography
    M Xu
    Department of Physics, The City College, Graduate Center of City University of New York, NY 10031, USA
    J Opt Soc Am A Opt Image Sci Vis 18:1535-42. 2001

Collaborators

Detail Information

Publications25

  1. ncbi request reprint Advances in optical imaging of biomedical media
    R R Alfano
    New York State Center for Advanced Technology for Ultrafast Photonic Materials and Applications, Physics Department, City College of the City University of New York, New York 10031, USA
    Ann N Y Acad Sci 820:248-70; discussion 271. 1997
    ..A new era of optical clinical imaging is at the door...
  2. ncbi request reprint Time-resolved and nonlinear optical imaging for medical applications
    R R Alfano
    New York State Center for Advanced Technology for Ultrafast Photonic Materials and Applications, Physics Department, City College and Graduate School, City University of New York 10031, USA
    Ann N Y Acad Sci 838:14-28. 1998
    ..The progress made so far indicates that some of these techniques are apt to make a transition from laboratory to useful clinical modalities...
  3. ncbi request reprint Near infrared photonic finger imager for prostate cancer screening
    Y Pu
    Institute for Ultrafast Spectropscopy and Lasers, Department of Physics, City College of the City University of New York, 160 Convent Avenue, New York, NY 10031, USA
    Technol Cancer Res Treat 10:507-17. 2011
    ..This new developed instrument, Photonic Finger, may provide an alternative imaging technique, which is accurate, of high spatial resolution and non-or-less invasive for prostate cancers screening...
  4. ncbi request reprint Fractal mechanisms of light scattering in biological tissue and cells
    M Xu
    Institute for Ultrafast Spectroscopy and Lasers, The City College and Graduate Center of City University of New York, NY 10031, USA
    Opt Lett 30:3051-3. 2005
    ..The power law of the reduced scattering coefficient, the anisotropy factor of scattering, and the phase function are derived with good agreement with experimental results. Implications for spectroscopic tissue diagnosis are discussed...
  5. ncbi request reprint Time-resolved fluorescence polarization dynamics and optical imaging of Cytate: a prostate cancer receptor-targeted contrast agent
    Y Pu
    Institute for Ultrafast Spectroscopy and Lasers, New York State Center for Advanced Technology for Ultrafast Photonic Materials and Applications, City College, City University of New York, New York, NY 10031, USA
    Appl Opt 47:2281-9. 2008
    ..The photoluminescence imaging of Cytate-stained cancerous and normal prostate tissues was accomplished, showing the potential of Cytate as a fluorescence marker for prostate cancer detection...
  6. ncbi request reprint Ultraviolet-to-visible image conversion microscopy using photoluminescence from self-assembled CdSe/ZnCdMgSe quantum dots and quantum wells
    I Zeylikovich
    Institute for Ultrafast Spectroscopy and Lasers, Department of Physics, City College and Graduate Center, City University of New York, New York, New York 10031, USA
    Appl Opt 48:2942-5. 2009
    ..This novel microscope exhibits a 1 microm lateral resolution with possible estimated lateral resolution of 200 nm using defect-free QD samples and UV micro-objective with higher numerical aperture and field of view...
  7. ncbi request reprint In situ determination of refractive index and size of Bacillus spores by light transmission
    A Katz
    Department of Physics, The City College of New York, New York, New York 10031, USA
    Opt Lett 30:589-91. 2005
    ..During activation the refractive index of the core decreases from 1.51 to 1.39, and the size increases from 0.38 to 0.6 microm...
  8. ncbi request reprint Time-resolved backscattering of circularly and linearly polarized light in a turbid medium
    Xiaohui Ni
    Institute for Ultrafast Spectroscopy and Lasers, Department of Physics, City College of New York, Graduate School of the City University of New York, New York, New York 10031, USA
    Opt Lett 29:2773-5. 2004
    ....
  9. ncbi request reprint Multiple passages of light through an absorption inhomogeneity in optical imaging of turbid media
    M Xu
    Institute for Ultrafast Spectroscopy and Lasers, NY State Center of Advanced Technology for Ultrafast Photonic Materials and Applications, and Dept of Physics, City College and Graduate Center, City University of NY, 10031, USA
    Opt Lett 29:1757-9. 2004
    ..The correction is approximately 50%-75% in the near infrared for an absorption inhomogeneity with the typical optical properties found in tissues and five times the size of the transport mean free path...
  10. ncbi request reprint Time-resolved Fourier optical diffuse tomography
    M Xu
    Department of Physics, The City College, Graduate Center of City University of New York, NY 10031, USA
    J Opt Soc Am A Opt Image Sci Vis 18:1535-42. 2001
    ..Examples of successful reconstructions of simulated hidden absorptive or scattering objects embedded inside a human-tissue-like semi-infinite turbid medium are provided...
  11. ncbi request reprint Optical imaging of turbid media using independent component analysis: theory and simulation
    M Xu
    The City College and Graduate Center of the City University of New York, Department of Physics, Institute for Ultrafast Spectroscopy and Lasers, New York, New York 10031, USA
    J Biomed Opt 10:051705. 2005
    ..The influence of noise and uncertainty in background absorption or scattering on the performance of this approach is investigated...
  12. ncbi request reprint Native fluorescence spectroscopic evaluation of chemotherapeutic effects on malignant cells using nonnegative matrix factorization analysis
    Y Pu
    Institute for Ultrafast Spectroscopy and Lasers, The Department of Electric Engineering, City University of New York, Convent Avenue at 138th Street, New York, NY 10031, USA
    Technol Cancer Res Treat 10:113-20. 2011
    ..The results indicate that the decrease of adenosine triphosphate (ATP) in the RA-treated cells. The possible clinical applications of this native fluorescence study are discussed...
  13. ncbi request reprint Near-infrared center-of-intensity time gated imaging for detection of a target in a highly scattering turbid medium
    Yimin Wang
    Institute for Ultrafast Spectroscopy and Lasers, Department of Physics, City College of the City University of New York, New York, NY 10031, USA
    Technol Cancer Res Treat 11:309-15. 2012
    ....
  14. ncbi request reprint Proteins and dipicolinic acid released during heat shock activation of Bacillus subtilis spores probed by optical spectroscopy
    Alexandra Alimova
    City College of New York, New York 10031, USA
    Appl Opt 45:445-50. 2006
    ..These proteins may be small acid-soluble spore proteins that are present in spores but break down during germination. A 30 kDa protein extracted above 60 degrees C is related to the rubber-glass phase transition...
  15. doi request reprint Stokes shift spectroscopy highlights differences of cancerous and normal human tissues
    Yang Pu
    Institute for Ultrafast Spectroscopy and Lasers, City College of the City University of New York, New York, New York 10031, USA
    Opt Lett 37:3360-2. 2012
    ..To our knowledge, this is the first time to explicitly disclose how and why S3 is superior in comparison with other conventional spectroscopic techniques...
  16. ncbi request reprint Near-infrared photo-excited emission from tissues treated at different temperature levels
    J Tang
    Institute for Ultrafast Spectroscopy and Lasers and New York State Center for Advanced Technology for Ultrafast Photonic Materials and Applications, New York, New York 10031, USA
    Lasers Surg Med 29:18-22. 2001
    ..CONCLUSIONS: The change in tissue damage after heat treatment could be detected by measuring the NIR emission intensity from the thermally damaged tissues...
  17. doi request reprint Study of rotational dynamics of receptor-targeted contrast agents in cancerous and normal prostate tissues using time-resolved picosecond emission spectroscopy
    Yang Pu
    Institute for Ultrafast Spectroscopy and Lasers, The City College of the City University of New York, Convent Avenue at 138th Street, New York, New York 10031, USA
    Appl Opt 50:1312-22. 2011
    ..This research may help to introduce a new optical approach and criteria for prostate cancer detection...
  18. ncbi request reprint The Poynting vector and angular momentum of Airy beams
    H I Sztul
    NASA Center for Optical Sensing andImaging, DOD Center of Nanoscale Photonics, Physics Department, The City College and Graduate School of the City University of New York, New York, NewYork 10031, USA
    Opt Express 16:9411-6. 2008
    ..A similar approach is used to show that while the total angular momentum of the Airy beam is zero, the angular momentum of the main intensity peak and the Airy "tail" are non-zero...
  19. ncbi request reprint Backscattering target detection in a turbid medium by use of circularly and linearly polarized light
    S A Kartazayeva
    Institute for Ultrafast Spectroscopy and Lasers, Department of Physics, City College of New York, Graduate School of City University of New York, New York, New York 10031, USA
    Opt Lett 30:1168-70. 2005
    ....
  20. ncbi request reprint Three-dimensional localization and optical imaging of objects in turbid media with independent component analysis
    M Xu
    Department of Physics, the Institute for Ultrafast Spectroscopy and Lasers, New York State Center of Advanced Technology for Ultrafast Photonic Materials and Applications, City College of New York, 10031, USA
    Appl Opt 44:1889-97. 2005
    ..The approach is applicable to different medium geometries, can be used with any suitable photon propagation model, and is amenable to near-real-time imaging applications...
  21. ncbi request reprint Wireless spectroscopic compact photonic explorer for diagnostic optical imaging
    Leming Wang
    Institute for Ultrafast Spectroscopy and Lasers, Department of Physics, City College of City University of New York and Graduate School, 138th Street at Convent Avenue, New York, NY 10031, USA
    Biomed Microdevices 7:111-5. 2005
    ..Spatial images acquired using the spectroscopic CPE are presented. Operational principles are demonstrated for various biomedical and non-medical applications...
  22. ncbi request reprint Computer-controlled optical scanning tile microscope
    C Wang
    Institute for Ultrafast Spectroscopy and Lasers and New York State Center for Advanced Technology for Photonics Applications, Department of Physics, The City College and Graduate School of the City University of New York, New York, New York, 10031, USA
    Appl Opt 45:1148-52. 2006
    ..This new microscope imaging system gives both high magnification and a large field of view. This microscope can be utilized in medicine, biology, semiconductor inspection, device analysis, and quality control...
  23. ncbi request reprint Spectral polarization imaging of human prostate cancer tissue using a near-infrared receptor-targeted contrast agent
    Y Pu
    Department of Electrical Engineering, The City College of the City Univ of NY, Convent Avenue at 138th Street, New York, NY 10031, USA
    Technol Cancer Res Treat 4:429-36. 2005
    ....
  24. ncbi request reprint Near infrared spectroscopy and imaging to probe differences in water content in normal and cancer human prostate tissues
    J H Ali
    Institute for Ultrafast Spectroscopy and Lasers and The New York State Center for Advanced Technology for Ultrafast Photonics Materials and Applications, City University of New York, New York, NY 10031, USA
    Technol Cancer Res Treat 3:491-7. 2004
    ....
  25. ncbi request reprint Noninvasive native fluorescence imaging of head and neck tumors
    A Katz
    New York State Center for Advanced Technology in Ultrafast Photonics, Institute for Ultrafast Spectroscopy and Lasers, Convent Avenue and 137 St, The City College of New York, New York, NY 10031, USA
    Technol Cancer Res Treat 1:9-15. 2002
    ..The ratio maps accurately distinguished the regions of tumor from normal tissue in the specimens. Additional features, such as collagen capsules, blood vessels, mucus glands and muscles were evident in the fluorescence images...