Electrophoresis can be used to isolate pure biomolecules from a mixture or to analyze biomolecules (such as for DNA sequencing).
电泳可用于从混合物中分离纯化生物分子或分析生物分子。
But it takes modern science to isolate the pure compound, test it in the lab, and to go on from there to find new agents to fight disease.
但这些可以治疗癌症的物质需要现代的高科技去将它们分离纯化，并且要在实验室重复进行安全测试，还要继续找出能够对抗那种疾病的代替品。
She was the first to isolate pure radium, and was world renowned as the leading expert on radiation.
她以最早提炼出纯镭的第一位辐射学专家而闻名于世。
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