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Perspectives in Aptasensor-Based Portable Detection for Biotoxins.

Congying Li¹, Ziyuan Zhu¹, Jiahong Yao¹

¹College of Environment and Public Health, Xiamen Huaxia University, Xiamen 361024, China.

Molecules (Basel, Switzerland)

|October 26, 2024

Summary

Portable aptasensors offer sensitive and specific biotoxin detection in food and environmental samples. This review highlights advancements in aptasensor technology for real-time, in situ monitoring, addressing challenges for future applications.

Keywords:

aptamer biotoxin lateral flow assay personal glucose meters portable detection smartphone

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Area of Science:

Analytical Chemistry
Biotechnology
Environmental Science

Background:

Biotoxins in food and the environment pose significant human health risks.
Sensitive and specific detection methods are crucial for mitigating biotoxin exposure.
Aptasensors, utilizing aptamers for target recognition, are key tools for biotoxin analysis.

Purpose of the Study:

To review recent progress in portable aptasensor development for biotoxin monitoring.
To discuss the potential applications of these devices in food and environmental matrices.
To identify challenges hindering the widespread adoption of portable aptasensor systems.

Main Methods:

Integration of aptamers with portable analytical devices like lateral flow assays (LFAs) and personal glucose meters (PGMs).
Development of aptasensors for quantifiable signal transduction of aptamer-target interactions.
Utilizing commercially available devices for in situ and real-time biotoxin analysis.

Main Results:

Portable aptasensors enable precise, real-time detection of biotoxins.
Integration with devices like smartphones and meters enhances analytical capabilities.
Significant advancements have been made in biotoxin monitoring using these portable systems.

Conclusions:

Portable aptasensors demonstrate great potential for on-site biotoxin detection in various matrices.
Addressing current challenges is essential for the future success of these detection systems.
Further development promises new avenues for effective biotoxin monitoring.