《Table 2 Strain at rupture, maximum stress, suture strength, and burst pressure of scaff olds》

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《Mechanical Properties and Degradability of Electrospun PCL/PLGA Blended Scaffolds as Vascular Grafts》

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The suture strength and burst pressure of a vascular scaffold are key factors that determine whether the scaff old is suitable for vascular graft implantation[27].According tothe results shown in Table 2，the suture strength and burst pressure of the PCL/PLGA blended scaff olds decreased with the increasing percentage of PLGA.The scaff olds of PCL/PLGA（95/5），PCL/PLGA（90/10），and PCL/PLGA（80/20）could withstand long enough before fracture，thereby meeting the demand of suture.The scaff olds of PCL/PLGA（95/5）and PCL/PLGA（90/10）could resist a burst pressure of over1500 mmHg，which was close to the value of the saphenous vein burst pressure（1680～2273 mmHg）[27]and muchhigher than that of the natural human systolic（130 mmHg）and diastolic（80 mmHg），illustrating the potential of these scaff olds as vascular grafts.