Table 4. Tensile strength, elastic modulus, and elongation at break of DES-LCNF and Enz-LCNF nanosheets

Sample	Enzyme concentration (%)	Enzyme treatment time (h)	Tensile strength (MPa)	Elastic modulus (GPa)	Elongation at break (%)
DES-LCNF	-	-	78.4 ± 6.7	3.3 ± 0.4	4.7 ± 0.7
Enz-LCNF	1	24	75.8 ± 9.8	4.7 ± 0.3	3.4 ± 1.2
	3	12	36.2 ± 1.5	2.4 ± 0.3	2.9 ± 0.8
		24	42.9 ± 2.2	3.6 ± 1.9	1.6 ± 1.3
		48	33.3 ± 12.2	5.4 ± 0.2	0.5 ± 0.3
	5	24	40.6 ± 3.3	3.8 ± 1.8	0.7 ± 0.5

DES-LCNF: deep eutectic solvent-lignocellulose nanofibrils, Enz-LCNF: two-step DES pretreatment.