
200 Handbook of Biomedical Optics
practice, however, we have observed that the diusion model,
i.e., r
2
() = 6D
b
, ts the autocorrelation curves rather well
over a broad range of tissue types (see Figure 10.3), ranging from
rat brain (Cheung et al. 2001, Zhou et al. 2006) and mouse tumor
(Menon et al. 2003, Yu et al. 2005b), to piglet brain (Zhou et al.
2009), adult human skeletal muscle (Yu et al. 2005a, Shang et al.
2009), adult human tumors (Sunar et al. 2006, Zhou et al. 2007),
premature brain (Buckley et al. 2009, Roche-Labarbe etal. 2010),
and adult brain (Durduran et al. 2004b, Li et al. 2005, 2008,
Durduran et al. 2009b).