Patterning of superhydrophobic paper to control the mobility of micro-liter drops for two-dimensional lab-on-paper applications
Lab on a Chip, ISSN: 1473-0189, Vol: 9, Issue: 21, Page: 3066-3075
2009
- 165Citations
- 104Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations165
- Citation Indexes165
- 165
- CrossRef148
- Captures104
- Readers104
- 104
Article Description
Superhydrophobic paper substrates were patterned with high surface energy black ink using commercially available desktop printing technology. The shape and size of the ink islands were designed to control the adhesion forces on water drops in two directions, parallel ('drag-adhesion') and perpendicular ('extensional-adhesion') to the substrate. Experimental data on the adhesion forces shows good agreement with classical models for 'drag' (Furmidge equation) and 'extensional' adhesion (modified Dupré equation). The tunability of the two adhesion forces was used to implement four basic unit operations for the manipulation of liquid drops on the paper substrates: storage, transfer, mixing and sampling. By combining these basic functionalities it is possible to design simple two-dimensional lab-on-paper (LOP) devices. In our 2D LOP prototype, liquid droplets adhere to the porous substrate, rather than absorbing into the paper; as a result, liquid droplets remain accessible for further quantitative testing and analysis, after performing simple qualitative on-chip testing. In addition, the use of commercially available desktop printers and word processing software to generate ink patterns enable end users to design LOP devices for specific applications. © 2009 The Royal Society of Chemistry.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=70350435606&origin=inward; http://dx.doi.org/10.1039/b909868b; http://www.ncbi.nlm.nih.gov/pubmed/19823721; https://xlink.rsc.org/?DOI=b909868b; https://dx.doi.org/10.1039/b909868b; https://pubs.rsc.org/en/content/articlelanding/2009/lc/b909868b
Royal Society of Chemistry (RSC)
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