Liquid Morphologies on Structured Surfaces: From Microchannels to Microchips
Liquid microchannels on structured surfaces are built up using a wettability pattern consisting of hydrophilic stripes on a hydrophobic substrate. These channels undergo a shape instability at a certain amount of adsorbed volume, from a homogeneous state with a spatially constant cross section to a...
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| Veröffentlicht in: | Science (American Association for the Advancement of Science) 1999-01, Vol.283 (5398), p.46-49 |
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| creator | Gau, Hartmut Herminghaus, Stephan Lenz, Peter Lipowsky, Reinhard |
| description | Liquid microchannels on structured surfaces are built up using a wettability pattern consisting of hydrophilic stripes on a hydrophobic substrate. These channels undergo a shape instability at a certain amount of adsorbed volume, from a homogeneous state with a spatially constant cross section to a state with a single bulge. This instability is quite different from the classical Rayleigh Plateau instability and represents a bifurcation between two different morphologies of constant mean curvature. The bulge state can be used to construct channel networks that could be used as fluid microchips or microreactors. |
| doi_str_mv | 10.1126/science.283.5398.46 |
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These channels undergo a shape instability at a certain amount of adsorbed volume, from a homogeneous state with a spatially constant cross section to a state with a single bulge. This instability is quite different from the classical Rayleigh Plateau instability and represents a bifurcation between two different morphologies of constant mean curvature. 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Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gau, Hartmut</au><au>Herminghaus, Stephan</au><au>Lenz, Peter</au><au>Lipowsky, Reinhard</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Liquid Morphologies on Structured Surfaces: From Microchannels to Microchips</atitle><jtitle>Science (American Association for the Advancement of Science)</jtitle><addtitle>Science</addtitle><date>1999-01-01</date><risdate>1999</risdate><volume>283</volume><issue>5398</issue><spage>46</spage><epage>49</epage><pages>46-49</pages><issn>0036-8075</issn><eissn>1095-9203</eissn><coden>SCIEAS</coden><abstract>Liquid microchannels on structured surfaces are built up using a wettability pattern consisting of hydrophilic stripes on a hydrophobic substrate. These channels undergo a shape instability at a certain amount of adsorbed volume, from a homogeneous state with a spatially constant cross section to a state with a single bulge. This instability is quite different from the classical Rayleigh Plateau instability and represents a bifurcation between two different morphologies of constant mean curvature. The bulge state can be used to construct channel networks that could be used as fluid microchips or microreactors.</abstract><cop>Washington, DC</cop><pub>American Society for the Advancement of Science</pub><pmid>9872735</pmid><doi>10.1126/science.283.5398.46</doi><tpages>4</tpages></addata></record> |
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| ispartof | Science (American Association for the Advancement of Science), 1999-01, Vol.283 (5398), p.46-49 |
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| source | American Association for the Advancement of Science; Jstor Complete Legacy |
| subjects | Approximation Condensed matter: structure, mechanical and thermal properties Curvature Cylinders Exact sciences and technology Fluid dynamics Free energy Geometric shapes Integrated circuits Liquids Physics Solid-fluid interfaces Stripes Surface chemistry Surface science Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties) Water Water channels Wettability Wetting Wetting (Surface chemistry) |
| title | Liquid Morphologies on Structured Surfaces: From Microchannels to Microchips |
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