After placement of the graft material-enriched PDGF, a coat of PRP plasma is placed over the graft area and the flaps closed.

在富含PDGF的移植材料放置好后，将PR P血浆膜覆盖在移植区并关闭瓣膜。

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Method: Sotalol in plasma sample was enriched with C18 solid phase extraction column .

方法：以C18固相萃取小柱预处理样品。

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Plasma membrane components-enriched sample was chromatographed on size exclution column.

将所得到的富质膜成分样品进行排阻高效液相色谱分离。

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