有的资料介绍在-70密封可以保存数年抗原性不会丢失.特殊染色短时间1个月应该可以吧.(a short period of time )最好及时做.
Alternatively, the frozen section slides can be stored for a short period of time at -70°C in a sealed slide box. When ready to stain, remove slides from freezer and warm to -20°C in the cryostat or -20° freezer, fix for 2 minutes in cold fixative (acetone or other suitable fixative) and allow to come to room temperature to continue with the staining.