KE00104 is a solid phase sandwich Enzyme Linked-Immuno-Sorbent Assay (Sandwich ELISA). The CD14 ELISA kit is to be used to detect and quantify protein levels of endogenous CD14. The assay recognizes human CD14. A monoclonal antibody specific for CD14 has been pre-coated onto the microwells. The CD14 protein in samples is captured by the coated antibody after incubation. Following extensive washing, a polyclonal antibody of biotinylated specific for CD14 is added to detect the captured CD14 protein. For signal development, Sterptravidin-HRP is added, followed by Tetramethyl-benzidine (TMB) reagent. Solution containing sulfuric acid is used to stop color development and the color intensity which is proportional to the quantity of bound protein is measurable at 450nm.