Abstract
We performed basic studies of the reagent ‘auto ASO・BML’ for antistreptolysin O (ASO) measurement based on the latex turbidmetric immunoassay. This reagent showed CVs of within-run precision of less than 1.0% and CVs of between-day precision of less than 2.0%. The detection limit was 8.0 IU/mL and the dilution linearity was also good. No effects from interfering substances were detected. In addition, the correlation with ‘LPIA ACE ASO Ⅱ’ of the comparison product, the measurement principle of which is similar to that of this reagent, was good (y = 0.939x – 0.9, r = 0.991, n = 155). ‘Auto ASO・BML’ showed sufficient reagent performance in routine tests.