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Analysis of LIF-Raman spectroscopy for the diagnosis of normal and liver diseases

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Abstract

In this paper, 514.5nm argon ion laser induced human serum Raman and auto-fluorescence spectra of normal, liver cirrhosis and liver cancer were measured and analyzed. The spectral differences between these three types of serums were observed and given brief explanations. Three parameters α, ϕ and Δλ were introduced to describe characteristics of each type of spectrum. Experimental results showed that these parameters might be applicable for discrimination of normal, liver cirrhosis and liver cancer, which will provide some reference values to explore the method of laser spectral diagnosis of cancer.

© 2011 OSA/SPIE

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