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采用置于Ｅｐｐｅｎｄｏｒｆ管中的滤纸片，快速离心的方法回收ＤＮＡ片段。实验表明，该方法是一种简便、快速、可靠的回收ＤＮＡ片段的方法，回收率高。回收的ＤＮＡ片段可进一步用于基因工程中克隆连接、酶切和探针标记。
The DNA fragments were recovered by flash centrifugation using filter paper placed in Eppendorf tubes. Experiments show that this method is a simple, rapid and reliable method of recovering DNA fragments with high recovery rate. The recovered DNA fragments can be further used for cloning, digestion and probe labeling in genetic engineering.