The present invention relates to a dry immunoassay analytical element for assaying a ligand, comprising a support bearing: (a) a label zone comprising an enzyme labeled ligand or an enzyme labeled receptor; (b) a spreading zone; (c) a receptor zone comprising a fixed concentration of an immobilized receptor for the ligand; and (d) a gravure zone comprising a diaryl telluride. A prefered embodiment of the present invention further comprises a vanadyl salt. The present invention further relates to a method for performing an assay using an element as described above.
本发明涉及一种干式免疫分析元件,用于检测
配体的测定,包括承载体:(a) 一个标签区域,包括酶标记的
配体或酶标记的受体; (b) 一个扩散区域; (c) 一个受体区域,包括固定浓度的
配体的固定受体; 和(d) 一个凹版区域,包括二芳基
碲化物。本发明的一个首选实施例还包括
钒盐。本发明还涉及一种使用上述元件进行测定的方法。