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Title: Raman spectroscopy: A new proposal for the detection of leukemia using blood samples
Author: Martinez- Espinosa, J.C.
Gonzalez-Solis, J.L.
Frausto-Reyes, C.
Miranda-Beltran, M.L.
Soria-Fregoso, C.
Medina-Valtierra, J.
Sanchez-Gomez, R.
Issue Date: 2008
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 6 patients who were clinically diagnosed with leukemia and 6 healthy volunteer. The imprint was put under the microscope and several points were chosen for Raman measurement. All spectra were collected at confocal Raman micro-spectroscopy (Renishaw) with NIR 830 nm laser. It is shown that the serum samples from, patients with leukemia 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. In addition, currently the degree of damage to the bone marrow is estimated through biopsies and therefore it is a very procedure painful. The preliminary results suggest that Raman spectroscopy could be a new technique to study the bone marrow using just blood samples. © 2008 American Institute of Physics.
Appears in Collections:Producción científica UdeG (prueba)

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