Rv1793 recombinant protein for serodiagnosis of medicament-resistant tuberculosis
A technology of rv1793 and recombinant protein, which is applied in the field of recombinant protein in serological diagnosis, can solve the problems of strong sensitivity and no specificity found
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[0028] Coat 100 μL / well of active recombinant Rv1793 protein at a concentration of 5 μg / mL at 4° overnight; 300 μL / well in PBST, 3 min each time, wash 3 times, and pat dry; use 1% BSA in PBS, 300 μL / well, Incubate at 37°C for 2 hours to block; 300 μL / well PBST, 3 minutes each time, wash 3 times, pat dry; add 1:100 diluted healthy serum and patient serum to be tested, 100 μL / well, incubate at 37°C for 1 hour; 300 μL / well PBST, 5 min each time, wash 5 times, pat dry; add freshly diluted enzyme-labeled antibody 300ul to each reaction well, incubate at 37°C for 1 h; 300μL / well PBST, 5 min each time, wash 5 times, pat dry; Add 100 μL of TMB chromogenic solution to each reaction well, and incubate at 37°C for 5 min; add 50 μL of stop solution to each reaction well, measure the OD value of each well after zeroing the blank control well on a microplate reader at 450 nm. Then take the mean value of the healthy control serum plus 2 times the standard deviation as the standard, if it is ...
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