Specific for cardiac troponin I (cTnI), epitope 18 - 28 a.a.r. No cross-reactivity with skeletal muscle TnI. Can be used for cTnI immunoassay; cTnI immunoprecipitation, immunohistochemistry, immunoaffinity purification; works in WB. Recommended antibody combinations for quantitative sandwich immunoassay: 19C7 + M18 (mixture for coating) - MF4 + 16A11 (mixture for detection), M18 + 560 (mixture for coating) - MF4 + 19C7 (mixture for detection), M18 + 560 (mixture for coating) - 19C7 + 267 (mixture for detection).