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In the appropriate order, outline the steps and interactions that are involved in the immunohistochemical localisation...

In the appropriate order, outline the steps and interactions that are involved in the immunohistochemical localisation of an antigen in a section of tissue

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Immunohistochemistry is a technique used in the detection of antigen in a tissue.immuno means antibody, histo means tissue and chemistry.the steps involved are:

Tissue is embeded in paraffin wax then a section using microtome is cut then xylene is poured so that paraffin is dissolved and then antigen retireval is done so that the epitope of the antigen are exoosed it is done by giving heat shock.then the blocking using various buffers to block the nonspecific site is done.primary antibody tagged with a flurochrome or chromagen( horse reddish peroxidase) is given to the sample which binds to its specific antigen gives fluroscence or if chromagen is used it convert substrate into producy and colour is obtained.

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