Biomechanical Performances of Networked Polyethylene Glycol Diacrylate: Effect of Photoinitiator Concentration, Temperature, and Incubation Time

Table 1

Statistical parameters determined from the tensile tests of different kinds of PEGDA samples with nutrient conduit networks.

Test conditions	A	B	C	D	E	F	G	H
Failure stress
Number of samples	4	6	3	6	6	3	6	4
Average	49.30	36.17	40.45	29.68	62.95	47.64	50.35	39.12
St. dev.	4.24	2.40	2.30	3.37	5.63	3.03	3.90	1.75
values
Temperature effect		0.007 (AB)		0.004 (CD)		0.003 (EF)		0.001 (GH)
Incubation time effect	0.031 (AC)		0.007 (BD)		0.003 (EG)		0.039 (FH)
Photoinitiator concentration effect					0.005 (AE)	0.017 (BF)	0.006 (CG)	0.001 (DH)

PEGDA samples with nutrient conduit networks are represented by letters A to H, where samples A have photoinitiator concentration = 0.2%, test temperature = 23°C, and incubation time = 0 days, samples B have photoinitiator concentration = 0.2%, test temperature = 37°C, and incubation time = 0 days, samples C have photoinitiator concentration = 0.2%, test temperature = 23°C, and incubation time = 7 days, samples D have photoinitiator concentration = 0.2%, test temperature = 37°C, and incubation time = 7 days, samples E have photoinitiator concentration = 0.6%, test temperature = 23°C, and incubation time = 0 days, samples F have photoinitiator concentration = 0.6%, test temperature = 37°C, and incubation time = 0 days, samples G have photoinitiator concentration = 0.6%, test temperature = 23°C, and incubation time = 7 days, and samples H have photoinitiator concentration = 0.6%, test temperature = 37°C, and incubation time = 7 days.
values from the -tests of failure stresses of two groups of specimen are represented by ( ).