Anant Agrawal

Summary

Affiliation: Food and Drug Administration
Country: USA

Publications

  1. ncbi request reprint Quantitative evaluation of optical coherence tomography signal enhancement with gold nanoshells
    Anant Agrawal
    US Food and Drug Administration, Center for Devices and Radiological Health, Optical Diagnostics Laboratory, 12725 Twinbrook Parkway, HFZ 130, Rockville, Maryland 20852, USA
    J Biomed Opt 11:041121. 2006
  2. doi request reprint Three-dimensional characterization of optical coherence tomography point spread functions with a nanoparticle-embedded phantom
    Anant Agrawal
    Optical Diagnostic Devices Laboratory, Center for Devices and Radiological Health, Food and Drug Administration, Silver Spring, Maryland 20993, USA
    Opt Lett 35:2269-71. 2010
  3. pmc Evaluation of a fiberoptic-based system for measurement of optical properties in highly attenuating turbid media
    Divyesh Sharma
    Food and Drug Administration, Center for Devices and Radiological Health, Rockville, Maryland, USA
    Biomed Eng Online 5:49. 2006
  4. ncbi request reprint Oblique-incidence illumination and collection for depth-selective fluorescence spectroscopy
    T Joshua Pfefer
    Food and Drug Administration FDA CDRH HFZ 130, Center for Devices and Radiological Health, 12725 Twinbrook Parkway, Rockville, Maryland 20852, USA
    J Biomed Opt 10:44016. 2005
  5. doi request reprint UV radiation increases carcinogenic risks for oral tissues compared to skin
    Anant Agrawal
    US Food and Drug Administration, Center for Devices and Radiological Health, Silver Spring, MD
    Photochem Photobiol 89:1193-8. 2013
  6. ncbi request reprint Measurement of internal tissue optical properties at ultraviolet and visible wavelengths: Development and implementation of a fiberoptic-based system
    Quanzeng Wang
    Food and Drug Administration, Center for Devices and Radiological Health, Silver Spring, Maryland 20993, USA
    Opt Express 16:8685-703. 2008
  7. ncbi request reprint Fluoroquinolone antibiotics having the potential to interfere with fluorescence-based diagnosis
    L Stephanie Matchette
    FDA CDRH, Silver Spring, MD, USA
    Photochem Photobiol 83:1386-93. 2007
  8. doi request reprint Access resistance of stimulation electrodes as a function of electrode proximity to the retina
    Joseph A Majdi
    Division of Biomedical Physics, Office of Science and Engineering Labs, Center for Devices and Radiological Health, Food and Drug Administration, Rm 1204 Bldg 62 White Oak Federal Research Labs, Silver Spring, MD 20993 0002, USA
    J Neural Eng 12:016006. 2015
  9. pmc The use of time-lapse optical coherence tomography to image the effects of microapplied toxins on the retina
    Joseph A Majdi
    Division of Biomedical Physics, Office of Science and Engineering Labs, Center for Devices and Radiological Health, Food and Drug Administration, White Oak Federal Research Labs, Silver Spring, Maryland, United States
    Invest Ophthalmol Vis Sci 56:587-97. 2015
  10. doi request reprint Retina-simulating phantom for optical coherence tomography
    Jigesh Baxi
    Center for Devices and Radiological Health, Food and Drug Administration, Silver Spring, Maryland 20933
    J Biomed Opt 19:21106. 2014

Collaborators

Detail Information

Publications13

  1. ncbi request reprint Quantitative evaluation of optical coherence tomography signal enhancement with gold nanoshells
    Anant Agrawal
    US Food and Drug Administration, Center for Devices and Radiological Health, Optical Diagnostics Laboratory, 12725 Twinbrook Parkway, HFZ 130, Rockville, Maryland 20852, USA
    J Biomed Opt 11:041121. 2006
    ..Quantitative experimental data presented here will facilitate optimization of OCT-based diagnostics and may also be relevant to other reflectance-based approaches as well...
  2. doi request reprint Three-dimensional characterization of optical coherence tomography point spread functions with a nanoparticle-embedded phantom
    Anant Agrawal
    Optical Diagnostic Devices Laboratory, Center for Devices and Radiological Health, Food and Drug Administration, Silver Spring, Maryland 20993, USA
    Opt Lett 35:2269-71. 2010
    ..Results indicate submicrometer agreement with conventional approaches to measure dimensions of the PSF. The NEP offers a robust approach for validating and comparing imaging performance of OCT devices...
  3. pmc Evaluation of a fiberoptic-based system for measurement of optical properties in highly attenuating turbid media
    Divyesh Sharma
    Food and Drug Administration, Center for Devices and Radiological Health, Rockville, Maryland, USA
    Biomed Eng Online 5:49. 2006
    ..The influence of collecting reflectance at the illumination fiber on estimation accuracy is also investigated...
  4. ncbi request reprint Oblique-incidence illumination and collection for depth-selective fluorescence spectroscopy
    T Joshua Pfefer
    Food and Drug Administration FDA CDRH HFZ 130, Center for Devices and Radiological Health, 12725 Twinbrook Parkway, Rockville, Maryland 20852, USA
    J Biomed Opt 10:44016. 2005
    ....
  5. doi request reprint UV radiation increases carcinogenic risks for oral tissues compared to skin
    Anant Agrawal
    US Food and Drug Administration, Center for Devices and Radiological Health, Silver Spring, MD
    Photochem Photobiol 89:1193-8. 2013
    ..Both DNA repair and apoptotic cell numbers are significantly lower in oral cells compared with skin cells. The combined results suggest UVB-exposed oral tissues are at a significantly higher carcinogenic risk than skin tissues. ..
  6. ncbi request reprint Measurement of internal tissue optical properties at ultraviolet and visible wavelengths: Development and implementation of a fiberoptic-based system
    Quanzeng Wang
    Food and Drug Administration, Center for Devices and Radiological Health, Silver Spring, Maryland 20993, USA
    Opt Express 16:8685-703. 2008
    ..This system provides a high level of accuracy over a wide range of optical properties, and should be particularly useful for in situ characterization of highly attenuating biological tissues in the UVA-VIS...
  7. ncbi request reprint Fluoroquinolone antibiotics having the potential to interfere with fluorescence-based diagnosis
    L Stephanie Matchette
    FDA CDRH, Silver Spring, MD, USA
    Photochem Photobiol 83:1386-93. 2007
    ..The product of the drug tissue concentration and quantum yield, which we term the fluorescence effective concentration, is such that it is likely these fluoroquinolones will interfere during fluorescence diagnosis techniques...
  8. doi request reprint Access resistance of stimulation electrodes as a function of electrode proximity to the retina
    Joseph A Majdi
    Division of Biomedical Physics, Office of Science and Engineering Labs, Center for Devices and Radiological Health, Food and Drug Administration, Rm 1204 Bldg 62 White Oak Federal Research Labs, Silver Spring, MD 20993 0002, USA
    J Neural Eng 12:016006. 2015
    ..Our objective was to evaluate the use of the electrical impedance of insulated platinum electrodes as a measure of the proximity of insulated platinum electrodes to the inner surface of the retina...
  9. pmc The use of time-lapse optical coherence tomography to image the effects of microapplied toxins on the retina
    Joseph A Majdi
    Division of Biomedical Physics, Office of Science and Engineering Labs, Center for Devices and Radiological Health, Food and Drug Administration, White Oak Federal Research Labs, Silver Spring, Maryland, United States
    Invest Ophthalmol Vis Sci 56:587-97. 2015
    ..We developed a novel technique for accelerated drug screening and retinotoxin characterization using time-lapse optical coherence tomography (OCT) and a drug microapplication device...
  10. doi request reprint Retina-simulating phantom for optical coherence tomography
    Jigesh Baxi
    Center for Devices and Radiological Health, Food and Drug Administration, Silver Spring, Maryland 20933
    J Biomed Opt 19:21106. 2014
    ..The phantom was imaged with research and clinical OCT systems to assess image quality and software accuracy. Our results indicate that this phantom may serve as a useful tool to evaluate and standardize OCT performance...
  11. doi request reprint Simultaneous detection and semiquantification of DNA damage in normal and apoptotic cells: triple-immunofluorescent labeling using DAPI, antibodies, and TUNEL
    Anant Agrawal
    US Food and Drug Administration, Center for Devices and Radiological Health, Silver Spring, MD 20993 0002, USA
    Appl Immunohistochem Mol Morphol 20:402-9. 2012
    ..Scientists can now create beautiful fluorescent pictures that simultaneously detect DNA damage in both normal and apoptotic cells to assess and semiquantify the damage to understand better how different insults lead to the cell's demise...