In a sample prepared with, for instance, a fluorescently labelled antibody, cell-surface markers can be analysed for diagnosis and disease phenotyping — flow cytometry can count cancer-induced ...

Flow cytometry has benefited from many improvements on the instrument side, as well as the development of fluorescent antibodies and ... quick and accurate way to count CD4 + and CD8 + T cells ...

Indirect ELISAs identify antibodies with the appropriate specificity by immobilizing the antigen on a surface and incubating it with a hybridoma cell supernatant. Researchers also use techniques ...