Table 1.

Composition of hydrogel films used in the cell compatibility studies. Alg, alginate; SPI, soy protein isolate; nBG, nanosized bioactive glass.

Formulation	Compound 1	Compound 2	Compound 3	Final Composition
Alg	Alg 2.5%	-	-	100 (2.5%)
Alg/SPI (70/30)	Alg 5%	SPI 2%	-	50/50 (2.5%/1%)
Alg/SPI (50/50)	Alg 2%	SPI 2%	-	50/50 (1%/1%)
Alg/SPI (50/50) + nBG	Alg 2%	SPI 2%	nBG	50/50 (1%/1%) + 0.5% (w/v)