Open millifluidics based on powder-encased channels.
Proc Natl Acad Sci U S A
; 120(28): e2302907120, 2023 Jul 11.
Article
em En
| MEDLINE
| ID: mdl-37399425
ABSTRACT
Millifluidics, the manipulation of liquid flow in millimeter-sized channels, has been a revolutionary concept in chemical processing and engineering. The solid channels that contain the liquids, though, are not flexible in their design and modification, and prevent contact with the external environment. All-liquid constructs, on the other hand, while flexible and open, are imbedded in a liquid environment. Here, we provide a route to circumvent these limitations by encasing the liquids in a hydrophobic powder in air that jams on the surface, containing and isolating flowing fluids, offering flexibility and adaptability in design, as manifest in the ability to reconfigure, graft, and segment the constructs. Along with the open nature of these powder-contained channels that allow arbitrary connections/disconnections and substance addition/extraction, numerous applications can be opened in the biological, chemical, and material arenas.
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MEDLINE
Idioma:
En
Ano de publicação:
2023
Tipo de documento:
Article