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. Author manuscript; available in PMC: 2023 Sep 21.
Published in final edited form as: Magn Reson Med. 2005 Jul;54(1):79–86. doi: 10.1002/mrm.20565

Table 1.

Diffusion Time Dependence of ADCs (Unshifted Resonance)

Δ (ms) ADC1
(μm2/ms)		 Vf1 (%) ADC2
(μm2/ms)		 Vf2 (%)
20 0.77 ± 0.05 0.41 ± 0.02 0.18 ± 0.04 0.59 ± 0.03
30 0.71 ± 0.05 0.44 ± 0.03 0.11 ± 0.03 0.56 ± 0.03
50 0.61 ± 0.04 0.50 ± 0.03 0.08 ± 0.02 0.50 ± 0.03

Note. Apparent diffusivities (ADC1, ADC2) and associated volume fractions (Vf1, Vf2) of the unshifted (intracellular) water resonance were measured at three diffusion time (Δ). The parameters were obtained by fitting the data obtained as shown in Figure 7 to a biexponential decay (S(b) = Vf1e−bADC1 + Vf2e−bADC2).