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Physics of Complex Fluids Group
The PCF group performs experimental research focusing on the properties of liquids on scales ranging from a few nanometers to many micrometers. Our activities fall into the categories: i) nanofluidics, ii) (electro)wetting & microfluidics, iii) soft matter mechanics. We are mainly interested in fundamental physical mechanisms that may ultimately also break grounds for new technological applications in the future.
The PCF group is part of the MESA+ institute for Nanotechnology and of the Institute of Mechanics, Process and Control Twente (Impact) at the University of Twente.
Latest news
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Nanofluidics Colloquium Tuesday 18 october Silica nanochannels filled with electrolytes are fundamental components in contemporary bionanofluidics, but despite the apparent simplicity of such systems, it is a challenge to develop a theoretical description of them with predictive power. In the talk is presented a combined theoretical and experimental analysis of the solid-liquid interface of fused silica nanochannels with and without a hydrophilic cyanosilane coating [1,2,3]. Our theoretical model consists of three parts: (i) a chemical equilibrium model of the bare or coated wall, (ii) a chemical equilibrium model of the buffered bulk electrolyte, and (iii) a self-consistent Gouy–Chapman–Stern triple-layer model of the electrochemical double layer coupling these two equilibrium models. To ... read more |
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PhD Defence of Dileep Mampallil Dileep Mampallil Augustine defended his PhD thesis “Microfluidic flow driven by electric fields” on Thursday, 22nd of September, 2011 at 12:45h in the Waaier. After listening to the defence, the graduation committee consisting of Prof.dr. G van der Steenhoven, Prof.dr. R.G.H. Lammertink, Prof.dr. J.G.E. Gardeniers, Dr.ir H.L. Offerhaus, Dr.ir C.G.P.H. Schroen, Prof.dr.ir. J.M.J. den Toonder as well as assistant promoter Dr. H.T.M. van den Ende and promoter Prof.dr. F. Mugele awarded the degree to – now – Dr. Mampallil. ... read more |
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Sissi de Beer defended her PhD thesis „Probing the properties of confined liquids” on Friday, May 27 at 16:45h in the Waaier. After listening to the defense, the committee consisting of Prof. W.J. Briels, Prof. V. Subramaniam, Prof. G.J. Vasco, Prof. E. Charlaix, Prof. J.W.M. Frenken as well as assistant promoter Dr. H.T.M. van den Ende, promoter Prof. Frieder Mugele and referee Dr. W.K. den Otter awarded the degree to – now – Dr. de Beer. ... read more |
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Drops on functional fibers: from barrels to clamshells and back Variation of the contact angle of drops on fibers with a previously unachieved precision and reversibility has allowed PCF members and Ciro Semprebon and Martin Brinkmann of the Max Planck Institute in Goettingen to determine the stability limits of two competing drop morphologies... ... read more |
