Table 4 Mechanical properties of bundle PLCL fiber according to the number of single microfiber strands included within the bundle fiber.

From: The use of microfluidic spinning fiber as an ophthalmology suture showing the good anastomotic strength control

Twisted group

4 × 2

8 × 2

12 × 2

Initial (~20%) Young’s Modulus [MPa]

0.06799/0.0081a

0.04250/0.00714

0.07/0.001

Ultimate Tensile Strength [N]b

0.1156/0.0160

0.169/0.0208

0.263/0.028

Ultimate Tensile Stress [MPa]

31.94/4.42

23.37/2.88

24.24/6.88

Elongation at break [%]

751/34

861/15

856/24

Wound group (x2)

2 × 4 × 2

2 × 8 × 2

2 × 12 × 2

Initial (~20%) Young’s Modulus [MPa]

0.077/0.006

0.0675/0.0044

0.06075/0.0051

Ultimate Tensile Strength [N]

0.130/0.0107

0.310/0.042

0.4478/0.02

Ultimate Tensile Stress [MPa]

18.01/5.78

21.39/6.37

20.548/2.02

Elongation at break [%]

839/39

703/42

751/45

  1. a(average)/(standard deviation), bnewton.
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