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IJEB Vol.45(01) [January 2007] >

Title: Infrared spectroscopic analysis of tumor pathology
Authors: Mehrotra, Ranjana
Gupta, Alka
Kaushik, Ajeet
Prakash, Neeraj
Kandpal, Hem
Keywords: Ductal carcinoma proliferation
Fourier transform
Infrared spectroscopy
Issue Date: Jan-2007
Publisher: CSIR
Abstract: Infrared spectra of normal and malignant breast tissues were measured in the 600 cm-1 to 4000 cm-1 region. The measured spectroscopic features which are the spectroscopic fingerprints of the tissues contain the vital information about the malignant and normal tissues. Fourier Transform Infrared (FTIR) data on 25 cases of infiterating ductal carcinoma of breast with different grades of malignancy from patients of different age groups were analyzed. The samples were taken from the tumor sections of the tissue removed during surgery. Infrared spectra demonstrate significant spectral differences between the normal and the cancerous breast tissues. In particular changes in frequency and intensity in the spectra of protein, nucleic acid and glycogen vibrational modes as well as the band intensity ratios for lipid/proteins, protein/nucleic acids, protein/glycogen were observed. This allows to make a qualitative and semi quantitative evaluation of the changes in proliferation activity from normal to diseased tissue. It was evident that the sample to sample or patient to patient variations were small and the spectral differences between normal and diseased tissues were reproducible. The findings establish a framework for additional studies, which may enable us to establish a relation of the diseased state with its infrared spectra.
Page(s): 71-76
ISSN: 0975-1009 (Online); 0019-5189 (Print)
Source:IJEB Vol.45(01) [January 2007]

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