免疫荧光

例句：

1. 1. The researchers used immunofluorescence to detect the presence of specific proteins in the sample.
   研究人员使用免疫荧光来检测样本中特定蛋白质的存在。
2. 2. Immunofluorescence is a powerful tool for studying the immune system.
   免疫荧光是一种研究免疫系统的强大工具。
3. 3. During the experiment, we observed the cells' expression of immunofluorescence markers.
   在实验过程中，我们观察到了细胞表达的免疫荧光标记物。