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. 2021 Feb 9;22(4):1739. doi: 10.3390/ijms22041739

Table 2.

Longitudinal relaxation times obtained for HGAm, GAm, and Dopa melanin samples, recorded at room temperature. A biexponential decay was used to interpret the saturation recovery results: y=AfexptT1f+ AsexptT1s+c. An experimental error of ±3 µs can be considered in the data reported for the HGAm and Dopa melanin data, while an experimental error of ±5 µs has been considered for GAm.

T1s (μs) T1f (μs) Af/As
HGAm 254 59 1.51
GAm 170 44 1.13
Dopa melanin 216 61 1.50