Issue 18, 2024

Advancements in the preparation technology of small molecule artificial antigens and their specific antibodies: a comprehensive review

Abstract

Small molecules find extensive application in medicine, food safety, and environmental studies, particularly in biomedicine. Immunoassay technology, leveraging the specific recognition between antigens and antibodies, offers a superior alternative to traditional physical and chemical analysis methods. This approach allows for the rapid and accurate detection of small molecular compounds, owing to its high sensitivity, specificity, and swift analytical capabilities. However, small molecular compounds often struggle to effectively stimulate an immune response due to their low molecular weight, weak antigenicity, and limited antigenic epitopes. To overcome this, coupling small molecule compounds with macromolecular carriers to form complete antigens is typically required to induce specific antibodies in animals. Consequently, the preparation of small-molecule artificial antigens and the production of efficient specific antibodies are crucial for achieving precise immunoassays. This paper reviews recent advancements in small molecule antibody preparation technology, emphasizing the design and synthesis of haptens, the coupling of haptens with carriers, the purification and identification of artificial antigens, and the preparation of specific antibodies. Additionally, it evaluates the current technological shortcomings and limitations while projecting future trends in artificial antigen synthesis and antibody preparation technology.

Graphical abstract: Advancements in the preparation technology of small molecule artificial antigens and their specific antibodies: a comprehensive review

Article information

Article type
Tutorial Review
Submitted
01 Apr 2024
Accepted
26 Jul 2024
First published
14 Aug 2024

Analyst, 2024,149, 4583-4599

Advancements in the preparation technology of small molecule artificial antigens and their specific antibodies: a comprehensive review

Y. Chen, S. Ma, M. Zhou, Y. Yao, X. Gao, X. Fan and G. Wu, Analyst, 2024, 149, 4583 DOI: 10.1039/D4AN00501E

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