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分别应用酚试剂与ＦｅＣｌ３来检测萘酚，表明ＤＮＡ能催化乙酸萘酯的水解，印证了以前关于ＤＮＡ具有酯酶活性的结论．ＦｅＣｌ３法可以作为检测ＤＮＡ酯酶活性的一种定量方法．
Respectively using phenol reagent and FeCl3 to detect naphthol, indicating that DNA can catalyze the hydrolysis of naphthyl acetate, confirming the previous conclusions about the esterase activity of DNA. FeCl3 method can be used as a quantitative detection of DNA esterase activity.