The AlphaLISA® immunoassay kit for CXCL4/PF4 enables the quantitative determination of CXCL4/PF4 in human serum, plasma, and cell culture supernatants using a homogeneous AlphaLISA assay (no wash steps). The assay shows minumum cross-reactivity with mouse CXCL4/PF4 and human CXCL4L1/PF4V.