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Updated: Aug 24, 2025

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Inertial microfluidics: current status, challenges, and future opportunities.

Nan Xiang1, Zhonghua Ni1

  • 1School of Mechanical Engineering, and Jiangsu Key Laboratory for Design and Manufacture of Micro-Nano Biomedical Instruments, Southeast University, Nanjing, 211189, China. nan.xiang@seu.edu.cn.

Lab on a Chip
|October 20, 2022
PubMed
Summary

Inertial microfluidics enables label-free particle and cell manipulation using fluid dynamics. This review explores its potential to advance biomedical research and disease diagnostics through improved platforms and integration strategies.

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Area of Science:

  • Biomedical Engineering
  • Fluid Dynamics
  • Microfluidics

Background:

  • Inertial microfluidics leverages hydrodynamic effects for passive particle, cell, and fluid manipulation.
  • It offers label-free, external field-free operation with high-throughput processing and simple channel designs.
  • Since 2007, it has become crucial for single-cell detection and analysis sample preparation.

Purpose of the Study:

  • To review the current status, challenges, and opportunities in inertial microfluidics.
  • To discuss advancements in physical mechanisms, simulation tools, and channel innovation.
  • To highlight potential improvements in multistage integration, multiplexing, and commercial instrument development.

Main Methods:

  • Review of existing literature and research trends in inertial microfluidics.

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  • Analysis of physical mechanisms governing particle behavior in microchannels.
  • Examination of simulation tools, channel designs, and integration strategies.

    • Main Results:

    • Inertial microfluidics is a rapidly advancing field with significant potential for improvement.
    • Key areas for development include understanding physical mechanisms, innovative channel designs, and enhanced integration.
    • Commercial instrument development is crucial for broader adoption.

    Conclusions:

    • Further improvements in inertial microfluidic platforms can significantly advance biomedical research.
    • Enhanced understanding and technological development will drive progress in disease diagnosis.
    • Optimized inertial microfluidic systems offer a new foundation for future biotechnological applications.