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Table 1 Candidate parameters used for the CCXR model

From: Filter exchange imaging with crusher gradient modelling detects increased blood–brain barrier water permeability in response to mild lung infection

Candidate parameters:

 

Mixing time (tm)

0.025, 0.05, 0.1, 0.2, 0.3 s

Filter b-value (bf)

250 s/mm2

Detection b-values (b)

0, 250 s/mm2

Slice thickness (∆z)

2.5, 4.0 mm

Gyromagnetic ratio (γ)

2.67 × 108 s−1.T−1

Crusher gradient amplitude (gc)

12.5, 7.7 mT/m

Duration of crusher gradient (δc)

1.5 ms

Slice gradient amplitude (gs)

3.0, 1.8 mT/m

Duration of slice gradient (δs)

1.0 ms

Diffusion time (td = ∆–δ/3)

9.5 ms