| 摘要 |
The present invention relates to an assay device for testing the presence of an analyte in a given sample comprising: a multilayer support whereon a firs t analyte-binding compound or analyte-binding complex, able to bind said analy te present in said sample, is immobilized, whereby said analyte is able to bind a second enzyme labeled analyte-binding compound or enzyme labeled analyte- binding complex forming a sandwich complex, whereby said sandwich complex is able to generate upon contact with a suitable precipitating substrate for sa id enzyme-label a colored deposit in a one step procedure. The invention also relates to a diagnostic kit or a method for the detection of an analyte in a ny medium. |
