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August 17, 2025Micromachines24 citationsOpen Access

Recent Developments in Microneedle Biosensors for Biomedical and Agricultural Applications

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KHKazim HaiderCDColin Dalton

Key Points

  • Microneedle biosensors enhance glucose monitoring and agricultural applications, addressing emerging needs.
  • Recent developments include integrated systems with microneedle arrays and wearable electronics for real-time monitoring.
  • Assessment covers advances in detecting plant growth markers and nutrient levels alongside biomedical applications.
  • Addressing challenges like biofouling and electrode longevity is crucial for future microneedle biosensor deployment.

Abstract

Microneedles have emerged as a versatile technology for biosensing across biomedical domains and are increasingly being explored for other applications like agriculture. This review highlights recent advancements in the development of microneedle-based biosensors in novel areas. Biomedical applications include continuous glucose monitoring, multiplexed biomarker detection beyond glucose, and numerous recent works presenting fully integrated systems comprising microneedle arrays alongside miniaturized wearable electronics. Agricultural applications largely focus on the detection of plant growth markers, hormones, and nutrient levels. Despite significant progress, challenges remain in overcoming biofouling and electrode degradation, optimizing electrode longevity for long-term (weeks to months) in situ monitoring, and creating scalable sensor fabrication processes. Additionally, there is a need for standardized mechanical and electrical testing protocols, and guidelines specifying critical performance metrics that should be reported to facilitate accurate literature comparisons. The review concludes by outlining key opportunities for future research to address these persisting challenges.

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Cite This Study

Haider et al. (2025) studied this question.

synapsesocial.com/papers/68a36a360a429f797332e60chttps://doi.org/10.3390/mi16080929
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