It was found that the viability of cells after contact with the peptide fragment was reduced.

结果细胞接触肽段后存活率下降。

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Researchers have used the interaction between a polysaccharide called heparin and a peptide fragment of a protein called antithrombin III, which is contained in the bloodstream to control clotting.

研究者利用了肝素（一种多糖）和血液中的抗凝血酶III（一种多肽片断）之间的相互作用来控制凝固时间。

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