Table 1 Concentrations and incubation times for the hFRUIT clearing protocol.

From: hFRUIT: An optimized agent for optical clearing of DiI-stained adult human brain tissue

Incubation time [days]

Urea [g/ml]

Fructose [g/ml]

Sucrose [g/ml]

Thioglycerol [g/ml]

1

0.24

0.04

0.04

0.02

1

0.24

0.08

0.08

0.04

2

0.24

0.16

0.16

0.08

2

0.24

0.24

0.24

0.12

3

0.24

0.32

0.32

0.16

3

0.24

0.385

0.37

0.2

  1. The times indicated here have been used for all the samples used in this study. However, incubation times depend on samples size and have to be determined empirically and smaller samples are expected to clear faster.