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A multilayer lateral-flow microfluidic device for particle separation


Particle separation technology plays an important role in a wide range of applications as a critical sample preprocessing step for analysis. In this work, we proposed and fabricated a multilayer lateral-flow particle filtration and separation device based on polydimethylsiloxane molding and transfer bonding techniques. Particle separation capability was demonstrated by 4.5-um polystyrene bead filtration and cancer cell (SK-BR-3) retrieving. This device exhibits higher throughput compared with most active particle separation methods and is less vulnerable to membrane clogging problem. This novel multilayer particle filtration and separation device is expected to find applications in biomedical, environmental and microanalysis fields.

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This work was partially funded by the Shenzhen Science and Technology Innovation Committee for basic science (Grant No. JCYJ20160301114303878 and JCYJ20160530184718406) and Pearl River Talents Recruitment Program (No. 2016ZT06G587). The authors also thank the support from the National Young Thousand Talent Program.

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Correspondence to Xing Cheng.

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Jiang, Y., Yu, Z., Huang, X. et al. A multilayer lateral-flow microfluidic device for particle separation. Microfluid Nanofluid 22, 40 (2018).

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  • Microfluidics
  • Particle separation
  • Lateral-flow microfilter
  • Multilayer PDMS device