User:Grjutmjty

An assay device 元素分析装置 for the performance of assays for analytes, particularly those of biological interest, offers improved efficiency and sensitivity by reducing background. The assay device performs an immunochromatographic assay and also provides a wash to get rid of unbound labeled specific binding partner and thereby reduce the background. Assay devices according to the present invention may use either a directly visible label like a metal sol label or an enzyme label. One embodiment of assay devices based on the present invention is especially suitable for assay of analytes in whole blood samples. The present invention also encompasses test kits and ways of use of the assay devices.