Table 5 Rate constants for elimination of 125I-Aβ1-40, 125I-Aβ1-42 and inulin in mice Rate constant/min−1 Shibtata et al. Bell et al. Xie et al. awake Xie et al. asleep Inulin 0.0029 0.0024 0.006 0.016 Aβ1-40 0.027 0.0184 0.024 0.053 Aβ1-42 0.011 Data from Shibata et al. [62], Bell et al. [429] (see Appendix 2 of [146]) and Xie et al. [128]