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Journal of Spectroscopy
Volume 2016, Article ID 1603609, 6 pages
Research Article

Raman Spectroscopy in Colorectal Cancer Diagnostics: Comparison of PCA-LDA and PLS-DA Models

1State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
2University of Chinese Academy of Sciences, Beijing 100049, China
3No. 4 Hospital, Jinan 250031, China
4National Center for Mathematics and Interdisciplinary Sciences, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing 100190, China

Received 13 August 2016; Revised 25 October 2016; Accepted 8 November 2016

Academic Editor: Feride Severcan

Copyright © 2016 Wenjing Liu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Supplementary Material

Supporting information includes the following: (Table S1) Peak assignments of vibrational bands of human colorectal tissue from Raman spectra. (Figure S1) Box charts of the intensity of Raman bands at 1134 and 1297 cm1 from normal and cancerous tissues. (Table S2) Comparision of diagnostic performance of PCA-LDA and PLS-DA models for differentiating cancerous from normal colorectal tissues.

  1. Supplementary Material