The invention provides an immunogen comprising a hapten coupled to an antigenicity-conferring carrier material, a conjugate comprising the aforementioned hapten coupled to a labelling agent, as well as, antibodies raised against the aforementioned immunogen and capable of binding with at least one structural epitope of metabolites of fentanyl and of metabolites of fentanyl analogs.
该发明提供了一种免疫原,其中包括一个与赋予抗原性载体材料偶联的半抗原,以及一个包括前述半抗原与标记剂偶联的结合物,还提供了针对前述免疫原产生的
抗体,这些
抗体能够结合
芬太尼代谢物和
芬太尼类似物代谢物的至少一个结构表位。