在姐妹染色单体交换的Giemsa染色法中,目前较多使用的是将标本先用荧光染料Hoechst33258染色后用一定光源照射再进行染色,同时要将标本加热处理。我们曾试用市售之国产高压水银荧光灯作SCD试验,该灯同样可达暴光与加热的目的,获得了较好的SCD效果。在此基础上,我们将该灯 In the sister chromatid exchange Giemsa staining method, the current more is the use of the sample first with fluorescent dye Hoechst33258 stained with a light source and then stained, while the specimen heat treatment. We have tried the commercially available domestic high-pressure mercury fluorescent lamp for SCD test, the lamp up to the same purpose of exposure and heating, get a better SCD effect. On this basis, we will be the light