Micro/Nano-Enabled Sensors and Systems for Environmental Monitoring: Innovation and Applications

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "C:Chemistry".

Deadline for manuscript submissions: 31 August 2026 | Viewed by 326

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Guest Editor
Shanghai Institute of Microsystems and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
Interests: nanomaterials; biosensors; environmental monitoring
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Special Issue Information

Dear Colleagues,

Environmental monitoring is critical for addressing global challenges such as climate change, soil degradation, water pollution, and air quality deterioration. Recent advancements in micro/nano sensors, MEMS/NEMS, biosensors, and optical and electrochemical sensors have revolutionized how we detect, analyze, and manage environmental parameters with unprecedented precision and efficiency.

We are delighted to extend our most enthusiastic invitation for your participation in this Special Issue titled "Micro/Nano-Enabled Sensors and Systems for Environmental Monitoring: Innovation and Applications." This Special Issue aims to establish a high-level interdisciplinary academic platform, systematically exploring the latest breakthroughs, core challenges, and future development trends in micro/nano-scale sensing technologies for environmental monitoring. It will serve as a profound exchange platform for both academia and practitioners.

We welcome original research articles, review papers, and communication, with topics including but not limited to biosensors, MEMS sensors, and nanomaterial-based sensors. Your contributions will bring fresh perspectives to the field and allow you to share insights with peers worldwide.

Prof. Dr. Lijuan Liang
Guest Editor

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Keywords

  • environmental monitoring
  • micro/nano sensors
  • biosensors
  • MEMS/NEMS
  • soil and water sensors
  • wearable environmental sensors
  • smart agriculture sensors
  • lab-on-a-chip for environmental analysis
  • chemical and gas sensors
  • optical and electrochemical sensors
  • nanomaterials in sensor development

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Published Papers (1 paper)

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Research

15 pages, 2225 KB  
Article
Portable and Point-of-Care Testing Approach for Determining Soil Extracellular Enzyme Activities
by Xu Han, Fangzhou Zhang, Ruirui Chen, Weixin Wang, Yongjie Yu, Zaijiong Yi, Jingyi Yang, Bo Liu, Shilun Feng, Jun Li and Youzhi Feng
Micromachines 2026, 17(5), 599; https://doi.org/10.3390/mi17050599 (registering DOI) - 14 May 2026
Abstract
Soil eco-enzymes (i.e., microbial extracellular enzymes) play essential roles in terrestrial nutrient cycling and support ecosystem services. In this regard, their activities serve as indicators of soil health. However, conventional spectrophotometric and microplate fluorometric assays are often limited by lengthy reaction procedures, relatively [...] Read more.
Soil eco-enzymes (i.e., microbial extracellular enzymes) play essential roles in terrestrial nutrient cycling and support ecosystem services. In this regard, their activities serve as indicators of soil health. However, conventional spectrophotometric and microplate fluorometric assays are often limited by lengthy reaction procedures, relatively high reagent consumption, and insufficient compatibility with complex soil matrices. In this investigation, we developed a portable, centrifugally driven microfluidic chip for the rapid and sensitive determination of multiple soil extracellular enzyme activities. This integrated platform automated sample aliquoting, reagent metering, mixing, and sedimentation, enabling the parallel measurement of eight enzymes. Such system demonstrated precise liquid control via capillary valves and high optical uniformity (<5% fluorescence variation). 4-methylumbelliferone (MUF)-based calibration exhibited strong linearity (R2 > 0.99) across diverse soil types. Compared with conventional microplate assays, the microfluidic method improved reproducibility (CV < 15%), enhanced the detection of weak fluorescence signals, and increased throughput while reducing reagent consumption. This field-ready platform provides a robust solution for standardized soil enzyme assessment and offers future potential for integration with AI-driven data analytics and large-scale ecological monitoring frameworks. Full article
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