Table 5: Summary of physical properties for common polymers used in in vitro models.

	PDMS	PMMA	Glass
Mechanical properties	Elastomer	Rigid	Rigid
Solvent resistance	Poor	Good	Excellent
Optical transmissivity      • Visible range      • UV range	Excellent Good	Excellent Good	Excellent Good
Biocompatibility	Good	Good	Good
Material cost	~135€/ Kg	~1.6-3.6€/Kg	~20-30€/Kg