G PHYSICS
G01 MEASURING; TESTING
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N2333/00 Assays involving biological materials from specific organisms or of a specific nature
G01N2333/435 from animals; from humans
G01N2333/705 Assays involving receptors, cell surface antigens or cell surface determinants
G01N2333/70503 Immunoglobulin superfamily, e.g. VCAMs, PECAM, LFA-3
G01N2333/70532 B7 molecules, e.g. CD80, CD86