{"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Horseradish peroxidase (HRP) can catalyze a redox reaction between HRP Yellow Chromogen and HRP Yellow Buffer to form a precipitate range from bright yellow to gold to brown depending on the concentration of the antigen. The colored precipitate can be visualized and is soluble in organic solvents such as alcohol and xylene; therefore, special dehydration protocol is used prior to application of coverslip and mounting media."}]}]}