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Chinese Journal of Immunology ; (12)2000.
Article Dans Chinois | WPRIM | ID: wpr-674716

Résumé

Objective:Human sera ACA was detected by ELISA method and some factors including the dilution rate of sera, blocking materials, temperature,ionic strength and interval time between blocking and detection,which could probablly influence the detective level of sera ACA were investigated.Methods:Human sera ACA was detected by ELISA.Results:10% NBS/PBS was more feasible than 1% bovine albumin/PBS for blocking non specific binding;the ACA titer of the same sample detected at 37℃ was lower than that of 22℃ and 25℃,the dilution rate 1∶50 for sera was suitable for the detection; time internal between blocking and detection could influence ACA level when it exceeding 2 weeks;the blinding ability of Ag with Ab was signicantly inhibited when the NaCl inonic strength was higher than 1.5 mol/L.Conclusion:The detected results of human sera ACA influenced by the dilution rate of sera,blocking materials,temperature ionic strength and internal time between blocking and detection.

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