Found 139 results
Title [ Type(Asc)] Year
Peer Reviewed Archived Journal Publications
Lo JY, Brown QJ, Dhar S, Yu B, Palmer GM, Jokerst NM, Ramanujam N. Wavelength Optimization for Quantitative Spectral Imaging of Breast Tumor Margins. PLoS ONE. 2013 ;8(4):e61767.
Gill EM, Straseski JA, Rasmussen CA, Liliensiek SJ, Eliceiri KW, Ramanujam N, White JG, Allen-Hoffmann LB. Visualization of Morphological and Molecular Features Associated with Chronic Ischemia in Bioengineered Human Skin. Microscopy and Microanalysis. 2010 ;16(02):117. (2.89 MB)
Chang VT-C, Bean SM, Cartwright PS, Ramanujam N. Visible light optical spectroscopy is sensitive to neovascularization in the dysplastic cervix. Journal of Biomedical Optics. 2010 ;15(5):057006. (302.05 KB)
Vishwanath K, Yuan H, Barry WT, Dewhirst MW, Ramanujam N. Using optical spectroscopy to longitudinally monitor physiological changes within solid tumors. Neoplasia [Internet]. 2009 ;11:889-900. Available from: (1.6 MB)
Palmer GM, Ramanujam N. Use of genetic algorithms to optimize fiber optic probe design for the extraction of tissue optical properties. IEEE Trans Biomed Eng [Internet]. 2007 ;54:1533-5. Available from: (179.99 KB)
Zhu C, Palmer GM, Breslin TM, Xu F, Ramanujam N. Use of a multiseparation fiber optic probe for the optical diagnosis of breast cancer. J Biomed Opt [Internet]. 2005 ;10:024032. Available from: (412.51 KB)
Millon SR, Ostrander JH, Brown QJ, Raheja A, Seewaldt VL, Ramanujam N. Uptake of 2-NBDG as a method to monitor therapy response in breast cancer cell lines. Breast Cancer Research and Treatment. 2011 ;126(1):55 - 62. (373.72 KB)
Choe R, Durduran T, Yu G, Nijland MJ, Chance B, Yodh AG, Ramanujam N. Transabdominal near infrared oximetry of hypoxic stress in fetal sheep brain in utero. Proc Natl Acad Sci U S A [Internet]. 2003 ;100:12950-4. Available from: (450.9 KB)
Zourabian A, Siegel A, Chance B, Ramanujan N, Rode M, Boas DA. Trans-abdominal monitoring of fetal arterial blood oxygenation using pulse oximetry. J Biomed Opt [Internet]. 2000 ;5:391-405. Available from: (599.64 KB)
Chang VT-C, Merisier D, Yu B, Walmer DK, Ramanujam N. Towards a field-compatible optical Spectroscopic device for cervical cancer screening in resource-limited settings: effects of calibration and pressure. Opt. Express [Internet]. 2011 ;19:17908–17924. Available from:
Lo JY, Yu B, Fu HL, Bender JE, Palmer GM, Kuech TF, Ramanujam N. A strategy for quantitative spectral imaging of tissue absorption and scattering using light emitting diodes and photodiodes. Opt Express [Internet]. 2009 ;17:1372-84. Available from: (383.94 KB)
Ramanujam N, Mitchell MF, Mahadevan A, Thomsen S, Malpica A, Wright T, Atkinson N, Richards-Kortum R. Spectroscopic diagnosis of cervical intraepithelial neoplasia (CIN) in vivo using laser-induced fluorescence spectra at multiple excitation wavelengths. Lasers Surg Med [Internet]. 1996 ;19:63-74. Available from:
Ramanujam N, Du C, Ma HY, Chance B. Sources of phase noise in homodyne and heterodyne phase modulation devices used for tissue oximetry studies. Review of Scientific Instruments. 1998 ;69(8):3042. (205.63 KB)
Liu Q, Ramanujam N. Sequential estimation of optical properties of a two-layered epithelial tissue model from depth-resolved ultraviolet-visible diffuse reflectance spectra. Appl Opt [Internet]. 2006 ;45:4776-90. Available from: (1.93 MB)
Liu Q, Ramanujam N. Scaling method for fast Monte Carlo simulation of diffuse reflectance spectra from multilayered turbid media. J Opt Soc Am A Opt Image Sci Vis [Internet]. 2007 ;24:1011-25. Available from: (419.47 KB)
Bender JE, Vishwanath K, Moore LK, Brown JQ, Chang V, Palmer GM, Ramanujam N. A Robust Monte Carlo Model for the Extraction of Biological Absorption and Scattering In Vivo. IEEE Transactions on Biomedical Engineering. 2009 ;56(4):960 - 968. (529.46 KB)
Yazdi Y, Ramanujam N, Lotan R, Mitchell MF, Hittelman W, Richards-Kortum R. Resonance Raman Spectroscopy at 257 nm Excitation of Normal and Malignant Cultured Breast and Cervical Cells. Appl. Spectrosc. [Internet]. 1999 ;53:82–85. Available from: (179.87 KB)
Quan L, Ramanujam N. Relationship between depth of a target in a turbid medium and fluorescence measured by a variable-aperture method. Opt Lett [Internet]. 2002 ;27:104-6. Available from: (100.45 KB)
Gill EM, Malpica A, Alford RE, Nath AR, Follen M, Richards-Kortum RR, Ramanujam N. Relationship between collagen autofluorescence of the human cervix and menopausal status. Photochem Photobiol [Internet]. 2003 ;77:653-8. Available from: (200.3 KB)
Durkin AJ, Jaikumar S, Ramanujam N, Richards-Kortum R. Relation between fluorescence spectra of dilute and turbid samples. Applied Optics. 1994 ;33(3):414.
Phelps JE, Vishwanath K, Chang VTC, Ramanujam N. Rapid ratiometric determination of hemoglobin concentration using UV-VIS diffuse reflectance at isosbestic wavelengths. Optics Express. 2010 ;18(18):18779. (1.05 MB)
Wilke LG, Brown QJ, Bydlon TM, Kennedy SA, Richards LM, Junker MK, Gallagher J, Barry WT, Geradts J, Ramanujam N. Rapid noninvasive optical imaging of tissue composition in breast tumor margins. The American Journal of Surgery. 2009 ;198(4):566 - 574. (363.89 KB)
Hu F, Vishwanath K, Erkanli A, Mulvey C, Lee W, Ramanujam N. Rapid Determination of Oxygen Saturation and Vascularity for Cancer Detection. PLOS ONE. 2013 .
Zhong J, Rajaram N, Brizel DM, Frees AE, Ramanujam N, Batinic-Haberle I, Dewhirst MW. Radiation induces aerobic glycolysis through reactive oxygen species. Radiotherapy and Oncology. 2013 .
Mueller J, Harmany Z, Mito K, Kennedy S, Kim Y, Dodd L, Geradts J, Kirsch D, Willet R, Brown Q, et al. Quantitative segmentation of fluorescence microscopy images of heterogeneous tissue: Application to the detection of residual disease in tumor margins. PLoS ONE. 2013 .