Table 3.

The parameters of the spheroid fusion obtained with the model for liquid drops.

Pair	Initial diameter, µm	Time constant τ, h	Visco-capillary velocity Γ/η, µm/h	Apparent viscosity, η Pa*h
L-MSC–L-MSC
3-day-old	250 ± 10	12 ± 5	10.6 ± 4.5	~ 50,000
7-day-old	250 ± 100	34 ± 16	3.8 ± 1.4	~ 200,000
RPE–RPE
3-day-old	160 ± 10	7 ± 1	10.8 ± 1.0	~ 15,000
7-day-old	200 ± 100	12 ± 6	8.4 ± 2.1	~ 25,000
L-MSC–RPE
3-day-old	230 ± 10	9 ± 2	10.5 ± 1.5	–
7-day-old	250 ± 100	16 ± 9	7.7 ± 2.7	–