auramine-rhodamine fluorescent staining

例句：

1. 1. This method is widely used in the field of molecular biology.
   这种方法在分子生物学领域广泛应用。
2. 2. The researchers used auramine-rhodamine fluorescent staining to detect the presence of DNA in the sample.
   研究人员使用荧光染色法来检测样本中DNA的存在。
3. 3.The stained samples were then examined under a microscope to observe the patterns of the molecules.
   染色后的样本被显微镜检查，以观察分子的模式。