而且对于软体动物蛋白酶提取纯化及纯化后蛋白酶的理化性质研究也很少，因此研究扁玉螺食道腺中的蛋白酶的纯化方法及其理化性质具有一定的理论意义和潜在应用价值。
According to the high protein of main food and fetch food by boring, we can presume the proteinase from Oesophagus gland of Neverita didyma has high activity and unusual physical–chemical characters.
有一个巧妙的方法来纯化dna，用一种酶能够辨别和摧毁微生物有机体的遗传物质而不会销毁太多相关的DNA。
Purifying it involved a clever trick using enzymes that can identify and destroy the genetic material of micro-organisms without also destroying too much of the DNA of interest.
漆酶的应用以分离纯化为基础，主要用到沉淀、透析、色谱、电泳等技术。
Isolation and purification is the foundation of application, including sedimentation, dialysis, chromatograph and electrophoresis mainly.
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