khoom

Cov lus piav qhia luv luv:

Lub Sem antigen yog coated ntawm thaj chaw kuaj ntawm nitrocellulose membrane ntawm ib daim hlab ntawm ib daim hlab, thiab cov tshuaj tiv thaiv kab mob yog sau nrog kub colloid kub. Thaum lub sijhawm kuaj, cov kub colloid daim ntawv lo rau antibody coated hauv sawb mus tom ntej, thiab ib txoj kab liab yuav tshwm sim thaum antibody nrog cov antigen hauv kab ntawv xeem; Yog tias sem hauv cov qauv yog hla kev txwv tsis pub muaj, cov tshuaj tiv thaiv kab mob yuav tshwm sim nrog antigen hauv kab ntawv xeem, yog li yuav tsis muaj kab liab nyob hauv kab ntawv xeem.