Emerging nanosensing technologies for the detection of β-agonists

Area of Science:

• Analytical Chemistry
• Materials Science
• Food Safety

Background:

• Illegal use of beta-agonists (β-agonists) as animal growth promoters poses significant public health risks.
• Accurate detection of these substances at trace levels in complex food matrices is crucial for consumer safety.
• Recent advancements in nanomaterials have significantly improved sensor performance.

Purpose of the Study:

• To comprehensively review emerging nanoparticles-based sensors for β-agonist detection.
• To summarize the applications of these advanced sensors and nano-ELISAs in β-agonist analysis.
• To discuss future opportunities and challenges in the field.

Main Methods:

• Review of literature on various nanoparticles-based sensor constructions (colorimetric, fluorescent, electrochemical, etc.).
• Examination of nanomaterial-based enzyme-linked immunosorbent assay (nano-ELISA) for β-agonist detection.
• Analysis of sensor applications in real-world sample matrices.

Main Results:

• Nanoparticles-based sensors demonstrate enhanced sensitivity, specificity, and robustness for β-agonist detection.
• Diverse sensor platforms, including colorimetric, fluorescent, and electrochemical methods, have been developed.
• Nano-ELISAs offer a promising approach for high-throughput β-agonist screening.

Conclusions:

• Nanoparticles-based sensors and nano-ELISAs are powerful tools for detecting illegal β-agonists.
• Continued research in nanomaterial design is essential for further improving sensor capabilities.
• Addressing challenges in sensor robustness and real-world application is key for future advancements.