khoom

Kev Piav Qhia Luv:

SEM antigen yog coated rau ntawm thaj chaw kuaj ntawm nitrocellulose membrane ntawm cov strips, thiab SEM antibody yog labeled nrog colloid kub. Thaum lub sijhawm kuaj, cov colloid kub labeled antibody coated hauv daim strip txav mus rau pem hauv ntej raws li daim nyias nyias, thiab ib txoj kab liab yuav tshwm sim thaum cov antibody sib sau ua ke nrog cov antigen hauv kab kuaj; yog tias SEM hauv cov qauv yog dhau qhov kev ntsuas pom, cov antibody yuav react nrog cov antigens hauv cov qauv thiab nws yuav tsis ntsib cov antigen hauv kab kuaj, yog li yuav tsis muaj kab liab hauv kab kuaj.