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. 2014 Jul 8;7:231–239. doi: 10.2147/MDER.S47319

Figure 1.

Figure 1

Absorption spectra of the oxygenated and deoxygenated hemoglobin molecules.

Notes: In the red and the infrared regions, the absorption is relatively low and allows accurate measurement of light transmission. Copyright © 1999. Prahl S. Reproduced from Prahl S. Optical absorption of hemoglobin. 1999. Available from: http://omlc.ogi.edu/spectra/hemoglobin/index.html. Accessed May 26, 2014.8

Abbreviations: HbO2, oxygenated hemoglobin; Hb, deoxygenated hemoglobin.