Table 1.

Compositions of the selected optical clearing agents

Optical clearing agent	Composition	Reference
SeeDB	80% (w/w) fructose, 0.5% (w/w) α-thioglycerol in water	Ke et al.34
sRIMS	70% (w/v) sorbitol, 0.01% (w/v) sodium azide, 0.1% (w/v) Tween 20 in 0.02 M phosphate buffer (pH 7.5)	Yang et al.39
ScaleA2	4 M urea, 0.1% (w/v) Triton X-100, 10% (w/w) glycerol in water	Hama et al.33
ScaleU2	4 M urea, 0.1% (w/v) Triton X-100, 30% (w/w) glycerol in water	Hama et al.33