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A novel, low cost, and accessible method for rapid fabrication of the modifiable microfluidic devices

Annabestani, M ; Sharif University of Technology | 2020

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  1. Type of Document: Article
  2. DOI: 10.1038/s41598-020-73535-w
  3. Publisher: Nature Research , 2020
  4. Abstract:
  5. As microfluidic chips are evolving to become a significant analysis tool toward POCT devices, it is crucial to make the cost and the time required for the fabrication process of these chips as low as possible. Because of the multidisciplinary nature of these systems and the collaboration of many different laboratories and organizations from vastly various fields with unequal types of equipment, it is essential to develop new techniques and materials to make the integration of disparate systems together more straightforward, accessible, and economical. In this paper, we present ethylene–vinyl acetate (EVA) as a new polymer-based material for the fabrication of different microfluidic chips, which brings new features and tools in fabrication, integration, and functionality of microfluidic systems. We put this material next to PDMS for comparison between various aspects of these materials. We have shown that besides the low-cost ability, ubiquitousness, geometrical modifiability, and ease of fabrication of EVA chips, due the lower hydrophobicity and lower terahertz (THz) absorption of EVA than PDMS, EVA chips, in comparison to PDMS counterparts, can work faster, have less number of channel blocking and can be used in THz biosensing application like metamaterial-based cancer detection. Finally, several devices are made using EVA to demonstrate the functionality and versatility of this material for the fabrication of microfluidic chips. © 2020, The Author(s)
  6. Keywords:
  8. Source: Scientific Reports ; Volume 10, Issue 1 , 2020
  9. URL: https://www.nature.com/articles/s41598-020-73535-w