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000187640 037__ $$aFZJ-2015-01266
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000187640 1001_ $$0P:(DE-Juel1)144600$$aAfanasenkau, Dzmitry$$b0$$ufzj
000187640 1112_ $$aJülich Soft Matter Days 2014$$cBad Honnef$$d2014-11-11 - 2014-11-14$$wGermany
000187640 245__ $$aStudying Soret effect using microfluidic cell
000187640 260__ $$c2014
000187640 3367_ $$0PUB:(DE-HGF)1$$2PUB:(DE-HGF)$$aAbstract$$babstract$$mabstract$$s1423122893_22310
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000187640 520__ $$aSoert effect (thermophoresis or thermodiffusion) is transport of mass in a multicomponent system due to presence of a temperature gradient. The effect nowdays finds many application in (bio)chemical analisys, separation of mixtures, biotechnology and semiconductor industry.To study the effect one needs to create relatively high temperature gradients keeping the temperature difference at the same time relatively small to maintain the linearity of the system. We try to achive this by reducing the dimensions of the system. We developed a microfluidic cell which allows observing thermal diffusion in the solution of colloids and could be also applied for investigation of thermophoretic phenomena in biological systems such as lipid bilayers and living cells.The developed cell consist of three channels: two relatively big ones for providing high flow rate of hot and cold liquid and a small channel in between them which contains the sample to study. The cell is produced by micromilling the Plexiglas block with a CNC machine. The central channel is made very flat (hight=30 um, width=100 um) to prevent convection.To characterize the temperature distribution in our cell we used fluorescence life-time microscopy (FLIM) with Rhodamine B as a temperature sensitive dye.The cell was applied to investigate thermodiffusion of latex micro and nano beads in a size range from 25 nm to 1 mn in water. The Sore coefficient for all investigated particle sizes was defined from the equilibrium distribution. For nanobeads it was compared with the values obtained by TDFRS measurements.
000187640 536__ $$0G:(DE-HGF)POF2-451$$a451 - Soft Matter Composites (POF2-451)$$cPOF2-451$$fPOF II$$x0
000187640 7001_ $$0P:(DE-Juel1)164236$$aSyshchyk, Olga$$b1$$ufzj
000187640 7001_ $$0P:(DE-Juel1)164240$$aKunitskaya, Yulia$$b2
000187640 7001_ $$0P:(DE-Juel1)144087$$aWang, Zilin$$b3$$ufzj
000187640 7001_ $$0P:(DE-Juel1)131034$$aWiegand, Simone$$b4$$ufzj
000187640 773__ $$y2014
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000187640 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)144087$$aForschungszentrum Jülich GmbH$$b3$$kFZJ
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000187640 9132_ $$0G:(DE-HGF)POF3-551$$1G:(DE-HGF)POF3-550$$2G:(DE-HGF)POF3-500$$aDE-HGF$$bKey Technologies$$lBioSoft – Fundamentals for future Technologies in the fields of Soft Matter and Life Sciences$$vFunctional Macromolecules and Complexes$$x0
000187640 9131_ $$0G:(DE-HGF)POF2-451$$1G:(DE-HGF)POF2-450$$2G:(DE-HGF)POF2-400$$3G:(DE-HGF)POF2$$4G:(DE-HGF)POF$$aDE-HGF$$bSchlüsseltechnologien$$lBioSoft$$vSoft Matter Composites$$x0
000187640 9141_ $$y2014
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