阿司匹林除了具有止痛效果，还可以防止血小板互相粘连，从而让血管变细。它还可以降低由血栓引起的心脏病和中风的危险。
Beyond its painkilling effects, aspirin prevents blood platelets sticking together and so thins the blood. This reduces the risk of blood clots that can cause heart attacks and stroke.
pla肝素表面显示出亲水性的改善，降低了血浆蛋白质吸收性，减少了血小板的粘连性，提高了和血液的相容性以及与细胞的相容性。
The PLA-heparin surface showed the improved hydrophilicity, decreased plasma protein adsorption, decreased platelet adhesion and subsequently enhanced blood compatibility and cell compatibility.
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