Biofunctionalized Nanofibers Using Arthrospira (Spirulina) Biomass and Biopolymer

Table 3

Polyhydroxybutyrate (PHB) and polyhydroxybutyrate-co-valerate (PHB-HV) nanofiber elasticity, tensile strength, and breaking elongation. Means ± standard deviation.

PHB source and sample code	Elasticity (, Mpa)	Tensile strength (, Mpa)	Breaking elongation (, Mpa)
Spirulina platensis
SP1, 22% PHB	253 ± 34.2	8.1 ± 0.9	7.2 ± 1.2
SP3, 7% PHB + 5% biomass	40.1 ± 6	0.8 ± 0.2	0.8 ± 0.0
Commercial
5V1, 20% PHB-HV12	116.3 ± 0.6	6 ± 0.8	2.8 ± 0.7
5V3, 15% PHB-HV5 + 5% biomass	56.7 ± 5.6	3.2 ± 0.0	2.6 ± 0.6
12V1, 20% PHB-HV12	123.7 ± 37.6	3.3 ± 0.9	1.7 ± 0.4
12V3, 15% PHB-HV12 + 5% biomass	97.9 ± 25.3	3.7 ± 0.9	2.6 ± 1.3