Figure 3 | Scientific Reports

Figure 3

From: Melanin distribution from the dermal–epidermal junction to the stratum corneum: non-invasive in vivo assessment by fluorescence and Raman microspectroscopy

Figure 3

(A) Scatter plot of the melanin fraction estimated using Raman spectral decomposition in the 1,200–1,800 cm−1 range and NIR-excited fluorescence (Fl-FP). (B) Typical depth profiles of the melanin fraction estimated using Raman spectral decomposition for two volunteers with skin type II (blue) and III after sun exposure (red). (C) Typical depth profiles of fluorescence intensity (Fl-FP) values for volunteers with skin type II (blue) and III after sun exposure (red). Central lines represent mean values and color corridors represent standard deviation estimated using all depths profiles acquired for a volunteer.

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