对比染色

改中性红对比染色为VG对比染色。

Neutral red as the contrast stain was replaced by VG .

讨论了PU值的意义和有关对比染色问题。

The significance of PU and the problem about contrast dye were discussed .

结论：改进后的方法各种着色清晰度增加，色彩对比明显，染色效果更佳。

Conclusions : After the method is modified , the distinctness of the staining color is increased and the contrast of color is more significant , so the staining effect is improved .

目的：分析对比三种特殊染色法在显示不脱钙骨切片中新生骨成骨情况的差异性，为骨缺损修复的实验研究提供更好的组织学鉴别方法。

Objective : To compare three different methods for the staining of osteogenesis in undecalcification sections , and to provide better histological method for the experimental study of bone defect restoration .

结果显示优化后的银染法是在彗星试验中成功建立的非荧光染色法，该法染色清晰、持久、背景颜色浅、染色对比度好、染色效果满意，方法操作简便、价廉；

The results showed that the modified silver stain was the first successful non fluorescent dye method in comet assay that can dye clearly , permanently , with a light background and good contrast , and it was easy to manipulate and it was cheap .