Replicable 2.5D PDMS microfluidics with precision nanoscale features expand the dimensions of pore-scale flow studies.
basic_science · Level V
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- Record sourced from PubMed, PMID 41738308.
- Also identified by DOI 10.1039/d5sm01004g.
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Abstract
Customizable 2.5D microfluidic chips, tailored for rock-on-a-chip studies, are developed using direct laser writing (DLW) and soft lithography. Chip microchannels feature varied cross-sectional shape and height, convergences as small as 1-2 µm, and controlled nanoscale surface roughness. The impact of these 2.5D features on pore-scale transport phenomena is demonstrated with trapped bubble dissolution experiments.