@article{
 title = {Tunable open-channel microfluidics on soft poly(dimethylsiloxane) (PDMS) substrates with sinusoidal grooves.},
 type = {article},
 year = {2009},
 identifiers = {[object Object]},
 pages = {12794-9},
 volume = {25},
 websites = {http://pubs.acs.org.ezproxy.library.wisc.edu/doi/abs/10.1021/la901736n},
 month = {11},
 publisher = {American Chemical Society},
 day = {3},
 id = {2da48659-0786-34f8-9563-26d37c390263},
 created = {2016-06-24T20:49:58.000Z},
 accessed = {2014-11-25},
 file_attached = {false},
 profile_id = {954a987f-819f-3985-95a4-2991e0cf0552},
 group_id = {8440dcff-74cc-3783-aef7-fe2749cfc7ef},
 last_modified = {2016-06-24T20:49:58.000Z},
 read = {false},
 starred = {false},
 authored = {false},
 confirmed = {true},
 hidden = {false},
 citation_key = {Khare2009},
 language = {EN},
 abstract = {On soft poly(dimethylsiloxane) (PDMS) substrates with 1D sinusoidal wrinkle patterns, we study the anisotropic wetting behavior and fluidic transport as a function of surface energy and groove geometry. On grooved substrates with a contact angle greater than 90 degrees , liquids form dropletlike morphology, and its contact angle in the direction perpendicular to the grooves is larger than that parallel to the grooves. This wetting anisotropy, for a fixed Young's contact angle, is found to increase when the grooves become deeper. On substrates with a contact angle smaller than 90 degrees and deep grooves (aspect ratio >/=0.3), liquids form filament-like morphology. When the groove depth is further increased by compressing the PDMS film beyond a threshold value, which depends on the surface wettability, fluid starts imbibing the grooves spontaneously. The dynamics of the liquid imbibition of grooves is studied, and a square-law dependence between the length of the liquid filament and time is found, which obeys Washburn's law. Using a simple model based on force balance, we find that the capillary force is mainly responsible for groove filling in sinusoidal grooves.},
 bibtype = {article},
 author = {Khare, Krishnacharya and Zhou, Junhao and Yang, Shu},
 journal = {Langmuir : the ACS journal of surfaces and colloids},
 number = {21}
}

{"_id":"tC3NsTN3qqFmjurXZ","bibbaseid":"khare-zhou-yang-tunableopenchannelmicrofluidicsonsoftpolydimethylsiloxanepdmssubstrateswithsinusoidalgrooves-2009","downloads":0,"creationDate":"2016-06-24T20:43:44.466Z","title":"Tunable open-channel microfluidics on soft poly(dimethylsiloxane) (PDMS) substrates with sinusoidal grooves.","author_short":["Khare, K.","Zhou, J.","Yang, S."],"year":2009,"bibtype":"article","biburl":null,"bibdata":{"title":"Tunable open-channel microfluidics on soft poly(dimethylsiloxane) (PDMS) substrates with sinusoidal grooves.","type":"article","year":"2009","identifiers":"[object Object]","pages":"12794-9","volume":"25","websites":"http://pubs.acs.org.ezproxy.library.wisc.edu/doi/abs/10.1021/la901736n","month":"11","publisher":"American Chemical Society","day":"3","id":"2da48659-0786-34f8-9563-26d37c390263","created":"2016-06-24T20:49:58.000Z","accessed":"2014-11-25","file_attached":false,"profile_id":"954a987f-819f-3985-95a4-2991e0cf0552","group_id":"8440dcff-74cc-3783-aef7-fe2749cfc7ef","last_modified":"2016-06-24T20:49:58.000Z","read":false,"starred":false,"authored":false,"confirmed":"true","hidden":false,"citation_key":"Khare2009","language":"EN","abstract":"On soft poly(dimethylsiloxane) (PDMS) substrates with 1D sinusoidal wrinkle patterns, we study the anisotropic wetting behavior and fluidic transport as a function of surface energy and groove geometry. On grooved substrates with a contact angle greater than 90 degrees , liquids form dropletlike morphology, and its contact angle in the direction perpendicular to the grooves is larger than that parallel to the grooves. This wetting anisotropy, for a fixed Young's contact angle, is found to increase when the grooves become deeper. On substrates with a contact angle smaller than 90 degrees and deep grooves (aspect ratio >/=0.3), liquids form filament-like morphology. When the groove depth is further increased by compressing the PDMS film beyond a threshold value, which depends on the surface wettability, fluid starts imbibing the grooves spontaneously. The dynamics of the liquid imbibition of grooves is studied, and a square-law dependence between the length of the liquid filament and time is found, which obeys Washburn's law. Using a simple model based on force balance, we find that the capillary force is mainly responsible for groove filling in sinusoidal grooves.","bibtype":"article","author":"Khare, Krishnacharya and Zhou, Junhao and Yang, Shu","journal":"Langmuir : the ACS journal of surfaces and colloids","number":"21","bibtex":"@article{\n title = {Tunable open-channel microfluidics on soft poly(dimethylsiloxane) (PDMS) substrates with sinusoidal grooves.},\n type = {article},\n year = {2009},\n identifiers = {[object Object]},\n pages = {12794-9},\n volume = {25},\n websites = {http://pubs.acs.org.ezproxy.library.wisc.edu/doi/abs/10.1021/la901736n},\n month = {11},\n publisher = {American Chemical Society},\n day = {3},\n id = {2da48659-0786-34f8-9563-26d37c390263},\n created = {2016-06-24T20:49:58.000Z},\n accessed = {2014-11-25},\n file_attached = {false},\n profile_id = {954a987f-819f-3985-95a4-2991e0cf0552},\n group_id = {8440dcff-74cc-3783-aef7-fe2749cfc7ef},\n last_modified = {2016-06-24T20:49:58.000Z},\n read = {false},\n starred = {false},\n authored = {false},\n confirmed = {true},\n hidden = {false},\n citation_key = {Khare2009},\n language = {EN},\n abstract = {On soft poly(dimethylsiloxane) (PDMS) substrates with 1D sinusoidal wrinkle patterns, we study the anisotropic wetting behavior and fluidic transport as a function of surface energy and groove geometry. On grooved substrates with a contact angle greater than 90 degrees , liquids form dropletlike morphology, and its contact angle in the direction perpendicular to the grooves is larger than that parallel to the grooves. This wetting anisotropy, for a fixed Young's contact angle, is found to increase when the grooves become deeper. On substrates with a contact angle smaller than 90 degrees and deep grooves (aspect ratio >/=0.3), liquids form filament-like morphology. When the groove depth is further increased by compressing the PDMS film beyond a threshold value, which depends on the surface wettability, fluid starts imbibing the grooves spontaneously. The dynamics of the liquid imbibition of grooves is studied, and a square-law dependence between the length of the liquid filament and time is found, which obeys Washburn's law. Using a simple model based on force balance, we find that the capillary force is mainly responsible for groove filling in sinusoidal grooves.},\n bibtype = {article},\n author = {Khare, Krishnacharya and Zhou, Junhao and Yang, Shu},\n journal = {Langmuir : the ACS journal of surfaces and colloids},\n number = {21}\n}","author_short":["Khare, K.","Zhou, J.","Yang, S."],"urls":{"Website":"http://pubs.acs.org.ezproxy.library.wisc.edu/doi/abs/10.1021/la901736n"},"bibbaseid":"khare-zhou-yang-tunableopenchannelmicrofluidicsonsoftpolydimethylsiloxanepdmssubstrateswithsinusoidalgrooves-2009","role":"author","downloads":0,"html":""},"search_terms":["tunable","open","channel","microfluidics","soft","poly","dimethylsiloxane","pdms","substrates","sinusoidal","grooves","khare","zhou","yang"],"keywords":[],"authorIDs":[]}