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Title: Detection of cervical cancer analyzing blood samples with Raman spectroscopy and multivariate analysis
Author: Gonzalez-Solis, J.L.
Rodriguez-Lopez, J.
Martinez-Espinosa, J.C.
Frausto-Reyes, C.
Jave-Suarez, L.F.
Aguilar-Lemarroy, A.C.
Vargas-Rodriguez, H.
Martinez-Cano, E.
Issue Date: 2010
Abstract: The use of Raman spectroscopy to analyze blood biochemistry and hence distinguish between normal and abnormal blood was investigated. The blood samples were obtained from 20 patients who were clinically diagnosed with cervical cancer and 10 healthy volunteer. The imprint was put under the Olympus microscope and several points were chosen for Raman measurement. All spectra were collected at a Jobin-Yvon LabRAM HR800 Raman Spectrometer with NIR 830 nm laser. It is shown that the serum samples from patients with cervical cancer and from the control group can be discriminated when the multivariate statistical methods of Principal Component Analysis (PCA) and Linear Discriminated Analysis (LDA) is applied to their Raman spectra. The ratios of some band intensities were analyzed and some band ratios were significant and corresponded to proteins, phospholipids, and polysaccharides. The preliminary results suggest that Raman spectroscopy could be a new technique for the detection using just blood samples. © 2010 American Institute of Physics.
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