This protocol describes DAB immunohistochemistry, enhancing antibody penetration in free-floating tissue sections, suggesting improved analysis outcomes.
This protocol describes the procedure for performing 3,3'-Diaminobenzidine (DAB) immunohistochemical staining on free-floating tissue sections. The method is optimized to preserve tissue integrity and enhance antibody penetration by processing sections without being mounted to a slide. It results in a stable, permanent chromogenic precipitate for the microscopic visualization and analysis of antigen distribution.
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Harms et al. (2023) studied this question.
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