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• 13:23, 25 November 2025 Hu yang talk contribs created page HU:Protocols/细胞周期 (Created page with "<div style="color: black !important; font-family: 'Times New Roman', SimSun, serif !important;"> ==原理== 碘化丙啶(Propidium，简称PI)是一种双链DNA的荧光染料。碘化丙啶和双链DNA结合后可以产生荧光，并且荧光强度和双链DNA的含量成正比。细胞内的DNA被碘化丙啶染色后，可以用流式细胞仪对细胞进行DNA含量测定，然后根据DNA含量的分布情况，可以进行细胞周期和细胞凋亡分析。 碘...")