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The glass slides to be tested are not dyed, but the positive control is dyed
Time：2023-01-07 11:17
Source:
Possible reason:The antigen is denatured or blocked in the fixing or embedding process
Solution:It is recommended to use 10% neutral buffered formalin fixative;Ensure correct fixation time and baking temperature
Possible reason:The antigen is decomposed due to autolysis of tissues
Solution:Fix the samples in time
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