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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Lammertink, Rob
University of Twente
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (21/21 displayed)
- 2024Streamer formation dynamics with mixed bacterial species: effects of cultivation conditions, hydrodynamics, and speciescitations
- 2024Mismatch and mix
- 2022Comparative assessment of hydrocarbon separation performance of bulky poly(urethane-urea)s toward rubbery membranescitations
- 2020Elucidating the effect of chain extenders substituted by aliphatic side chains on morphology and gas separation of polyurethanescitations
- 2019Association of hard segments in gas separation through polyurethane membranes with aromatic bulky chain extenderscitations
- 2017Fabrication of nanoporous graphene/polymer composite membranescitations
- 2015Controlled formation of anatase and rutile TiO2 thin films by reactive magnetron sputteringcitations
- 2015Intrinsic Photocatalytic Assessment of Reactively Sputtered TiO2 Filmscitations
- 2011Hollow fiber ultrafiltration membranes with microstructured inner skincitations
- 2011Carbon nanofibers in catalytic membrane microreactorscitations
- 2010Microstructured hollow fibers for ultrafiltrationcitations
- 2010Shrinkage effects during polmer phase separation on microfabricated moldscitations
- 2010Surface texturing inside ceramic macro/micro channelscitations
- 2010Polymeric microsieves via phase separation microfabricationcitations
- 2009Microcontact Printing of Dendrimers, Proteins, and Nanoparticles by Porous Stampscitations
- 2009Micropatterned polymer films by vapor-induced phase separation using permeable moldscitations
- 2007Morphology and Microtopology of Cation-Exchange Polymers and the Origin of the Overlimiting Currentcitations
- 2006Polymeric microsieves produced by phase separation micromoldingcitations
- 2006Superhydrophobic Surfaces Having Two-Fold Adjustable Roughness Prepared in a Single Stepcitations
- 2005New replication technique for the fabrication of thin polymeric microfluidic devices with tunable porositycitations
- 2005Electrochemistry of Surface-Grafted Stimulus-Responsive Monolayers of Poly(ferrocenyldimethylsilane) on Goldcitations
Places of action
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article
New replication technique for the fabrication of thin polymeric microfluidic devices with tunable porosity
Abstract
In this article we present a new versatile replication method to produce thin polymeric microfluidic devices with tunable porosity. This method is based on phase separation of a polymer solution on a microstructured mold. Compared to existing microfabrication techniques, such as etching and hot embossing, our technique offers four advantages: (a) simple and cheap process that can be performed at room temperature outside clean room facilities; (b) very broad range of applicable materials (including materials that could not be processed before); (c) ability to make thin flexible chips; (d) ability to introduce and tune porosity in the chip. By introducing porosity, the channel walls can be used for selective transport of gasses, liquids and solutes. A proof-of-concept will be given, by showing fast CO2 transport through the channel walls of a porous polymer chip. Furthermore, it will be demonstrated that the gas permeation performance of chips can be enhanced dramatically by a decrease in chip thickness and incorporation of porosity. We expect that the development of porous chips can lead to the on-chip integration of multiple unit operations, such as reaction, separation, gas liquid contacting and membrane emulsification.