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. 2012 Aug 29;7(8):e43981. doi: 10.1371/journal.pone.0043981

Figure 3. Hypotonicity intensifies whereas hypertonicity attenuates the multispectral IOS. A.

Figure 3

) Inducing HSD in hypotonic solutions (30 mM NaCl omitted) intensified the multispectral IOS. As indicated by the averaged reflectance profiles, tissue reflectance within almost the entire wavelength range became markedly more intense during HSD. Color-matched asterisks indicate statistically significant changes as compared to the earlier recorded control HSDs (* P<0.05, ** P<0.01). B) In hypertonic solutions (60 mM mannitol added), the multispectral IOS was severely affected. Especially the reflectance increase during HSD was almost abolished.