Issue 31, 2024

Methods and applications of noncompetitive hapten immunoassays

Abstract

Hapten immunoassays have found extensive application across various domains such as disease diagnostics, environmental monitoring, as well as the evaluation of food and pharmaceutical safety. These techniques traditionally rely on competitive assay formats and often face challenges with sensitivity and specificity. This review focuses on the emergent noncompetitive immunoassay technologies that promise to transcend these limitations through innovative approaches. Noncompetitive immunoassays, leveraging novel elements such as anti-idiotype antibodies, anti-immunocomplex (IC) antibodies, and the strategic use of nanomaterial-enhanced signal detection, are setting new benchmarks for analytical performance. These advancements not only enhance the detection capabilities but also significantly improve specificity inherent in traditional methods. Moreover, the integration of novel materials and binding reagents in these assays offers substantial improvements in assay dynamics, providing faster, more accurate, and reliable results. This review consolidates the latest methodologies and their applications, underlining the transformative impact of noncompetitive technologies in the sensitive detection of haptens across various fields.

Graphical abstract: Methods and applications of noncompetitive hapten immunoassays

Article information

Article type
Minireview
Submitted
17 May 2024
Accepted
17 Jul 2024
First published
18 Jul 2024

Anal. Methods, 2024,16, 5357-5371

Methods and applications of noncompetitive hapten immunoassays

K. Du, L. Gao, T. Li and W. Rao, Anal. Methods, 2024, 16, 5357 DOI: 10.1039/D4AY00922C

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