This paper reviewed the principles and advantages/limitations of several biological detection methods for the screening of the DLCs, compared these methods and suggested the reliability and trends of establishing the two steps detection system for DLCs.

• 本文综述了用于二恶英类化合物筛选的几类生物检测方法的原理和优缺点，对各种方法进行了比较，指出建立二恶英两级检测的体系的合理性以及发展方向。