dopa reaction

do·pa re·ac·tion

a dark staining observed in fresh tissue sections to which a solution of dopa has been applied, presumably due to the presence of dopa oxidase in the protoplasm of certain cells.
Synonym(s): Bloch reaction

Bloch,

Marcel, French physician, 1885-1925.
Bloch reaction - a dark staining observed in fresh tissue sections to which a solution of dopa has been applied. Synonym(s): dopa reaction
References in periodicals archive ?
Tyrosinase activity in cultured cells was assayed by the DOPA reaction as described previously (Iijima and Watanabe, 1956).