The comet assay (the alkaline single cell gel electrophoresis) was applied universally in the field of ecotoxicology as a sensitive bioassay to detect DNA damage in the cell level.

• 彗星试验，又称单细胞凝胶电泳，因其能够在单细胞水平上灵敏地检验DNA链断裂，成为研究遗传毒性效应的新技术，近年来得到重要应用。