An improved method for depositing metal particles on a marker which catalyzes the reduction of metal ions from a physical developer comprising a solution of metal ions, a molar excess of complexant in respect to the metal ions and a reducing agent. Said method being preferably employed for the detection of one or more components of an aggregate formed between a least one specific binding agent and its corresponding bindable substance by labelling at least one component of said aggregate with a marker and contacting said aggregate with a physical developer, whereby under influence of the marker a metal particle is formed which can be detected. Further the invention also relates to solutions and test-kits suited for carrying out the above mentioned method.
一种在标记物上沉积
金属颗粒的改进方法,该标记物可催化
金属离子从物理显影剂中还原,物理显影剂包括
金属离子溶液、相对于
金属离子摩尔过量的络合剂和还原剂。本发明优选用于检测至少一种特异性结合剂与其相应的可结合物质之间形成的聚合体的一种或多种成分,方法是用标记物标记所述聚合体的至少一种成分,并将所述聚合体与物理显影剂接触,在标记物的影响下形成可检测的
金属颗粒。此外,本发明还涉及适用于实施上述方法的溶液和测试套件。