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Microfluidics as an Emerging Platform for Exploring Soil Environmental Processes: A Critical Review
Xiangyu Zhu1,2, Kun Wang1,2, Huicong Yan1,2
1Department of Environmental Science, Zhejiang University, Hangzhou, Zhejiang 310058, China.
Environmental Science & Technology
|January 5, 2022
Summary
Microfluidic technology offers a novel "lab-on-a-chip" approach to study complex soil processes at the microscale. This innovative method provides unprecedented insights into soil interfacial and microbial dynamics, overcoming the limitations of traditional soil research.
Area of Science:
- Environmental Science
- Soil Science
- Microfluidics
Background:
- Soil processes are complex and difficult to study due to heterogeneity and opacity.
- Traditional methods struggle to provide microscale insights into soil dynamics.
- Microfluidics offers a powerful platform for creating artificial soil micromodels.
Purpose of the Study:
- To review the emerging applications of microfluidic soil platforms.
- To highlight how microfluidics provides new insights into soil processes at the microscale.
- To discuss limitations and future directions for microfluidic soil research.
Main Methods:
- Utilizing micro/nanofabricated microfluidic devices to mimic soil features.
- Creating controlled microenvironments at the scale of pores, aggregates, and microbes.
- Integrating observation, reaction, analysis, and characterization techniques.
Main Results:
- Microfluidic platforms enable the investigation of soil interfacial and microbial processes.
- These platforms facilitate detailed study of soil analysis and high-throughput screening.
- Microfluidics provides new understanding of soil mechanisms and effects at the microscale.
Conclusions:
- Microfluidics represents a significant technological advance for microscopic, controllable, and in situ soil research.
- This approach contributes to an integrated understanding of soil systems across scales.
- Future research should focus on overcoming practical limitations and expanding applications.
