Table 1.

Maximal viscosity required by different droplet-based bioprinting technologies.

Droplet-Based Bioprinting Technology	Schematic Drawing of Different Bioprinting Systems	Maximal Viscosity (mPa·s)	Ref.
Acoustic bioprinting		200	[50,51]
Inkjet bioprinting		10	[52,53]
Microvalve bioprinting		200	[54,55]
Microfluidic bioprinting		10	[56,57,58]