V. Chang

Rapid ratiometric determination of hemoglobin concentration using UV-VIS diffuse reflectance at isosbestic wavelengths

Karthik Vishwanath, Nirmala Ramanujam, N. Ramanujam, 2010, Optics express.

Exploiting Optical Contrasts for Cervical Precancer Diagnosis via Diffuse Reflectance Spectroscopy

V. Chang, 2010 .

Quantitative physiology of the precancerous cervix in vivo through optical spectroscopy.

Nirmala Ramanujam, Vivide Tuan-Chyan Chang, Sarah M Bean, 2009, Neoplasia.

A Robust Monte Carlo Model for the Extraction of Biological Absorption and Scattering In Vivo

Karthik Vishwanath, Janelle E. Bender, Nirmala Ramanujam, 2009, IEEE Transactions on Biomedical Engineering.

Towards a field-compatible optical spectroscopic device for cervical cancer screening in resource-limited settings: effects of calibration and pressure.

Nirmala Ramanujam, Vivide Tuan-Chyan Chang, Delson Merisier, 2011, Optics express.

Portable, Fiber-Based, Diffuse Reflection Spectroscopy (DRS) Systems for Estimating Tissue Optical Properties

Karthik Vishwanath, Nimmi Ramanujam, K. Vishwanath, 2011, Applied spectroscopy.

Calibration schemes of a field-compatible optical spectroscopic system to quantify neovascular changes in the dysplastic cervix

Nirmala Ramanujam, Vivide Tuan-Chyan Chang, Delson Merisier, 2011, BiOS.

Visible light optical spectroscopy is sensitive to neovascularization in the dysplastic cervix.

Nirmala Ramanujam, Vivide Tuan-Chyan Chang, Sarah M Bean, 2010, Journal of biomedical optics.

A Robust Monte Carlo Model for the Extraction of Biological Absorption and Scattering In Vivo

N. Ramanujam, K. Vishwanath, J. Bender, 2009, IEEE Transactions on Biomedical Engineering.