Which of the following reagents is commonly used to enhance the reactivity of weak antibodies in blood grouping?

A Papain
B Ficin
C Bromelin
D Dithiothreitol (DTT)
Ficin is a proteolytic enzyme that is commonly used to enhance the reactivity of weak antibodies in blood grouping, particularly for detecting weak D antigen.
[ISBT Science Series]
Hematology Hematology: Blood Grouping and Crossmatching Hematology: Blood Grouping and Crossmatching Medium MEDICAL Confidence: high