001     875113
005     20210130004848.0
024 7 _ |a 2128/24758
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037 _ _ |a FZJ-2020-01816
041 _ _ |a English
100 1 _ |a Rivera Moran, Jose Alejandro
|0 P:(DE-Juel1)178787
|b 0
|e First author
111 2 _ |a Zsigmondy Kolloquium 2020
|c Duesseldorf
|d 2020-03-09 - 2020-03-11
|w Germany
245 _ _ |a Near interface diffusion of various kinds of colloidal particles
260 _ _ |c 2020
336 7 _ |a Conference Paper
|0 33
|2 EndNote
336 7 _ |a INPROCEEDINGS
|2 BibTeX
336 7 _ |a conferenceObject
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336 7 _ |a CONFERENCE_POSTER
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336 7 _ |a Output Types/Conference Poster
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336 7 _ |a Poster
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500 _ _ |a [1] P. Holmqvist , J. K. G. Dhont , P. R. Lang, J. Chem. Phys. 2007, 126, 044707 1-8.[2] P. Holmqvist , J. K. G. Dhont , P. R. Lang, Phys. Rev. E 2006, 74, 0214002 1-5.[3] M. Lisicki et al. al., Soft Matter 2014, 10, 4312-4323.[4] V . N . Michailidou et. al , Phys. Rev. Lett. 2009, 102, 068302.[5] Y. Liu et al. Soft Matter, 2015, 11, 7316.[6] A. J. Goldman, R. G. Cox and H. Brenner, Chem. Eng. Sci., 1967, 22, 637-651.[7] M. Lisicki et al. J. Chem. Phys. 2007, 136, 204704.[8] C. P. Hsu et al. PNAS 2018, 115 , No. 20, 5117-5122.[9] D. A. Woods and C. B. Dain, Soft Matter, 2014, 10 , 1071.[10] S. Bhattacharjee, C. H. Ko, M Elimelech, Langmuir , 1998, 14 , 3365-3375.
520 _ _ |a When suspended colloidal particles move in the ultimate vicinity of a flat solid interface, their mobility is smaller than in the bulk suspension due to a drag force caused by hydrodynamic interaction between the particle and the wall. Further, the friction acting on a particle depends on the direction of motion. Leading to different diffusion coefficients parallel, 𝑫∥,and normal, 𝑫_N, to the interface. To expand the catalogue of particles being studied at interfaces [1-5], we are now investigating colloidal particles with controlled surface roughness and hollow shells. In this work, we show the anisotropic diffusion of these particles when they are close to a glass/dispersion interface by means of evanescent wave dynamic light scattering (EWDLS). By comparing the results from rough and hollow particles with data from smooth spherical particles and with theoretical predictions for hard sphere colloids [6,7] we assess the influence of particle shape on the particle interface hydrodynamic interaction.
536 _ _ |a 551 - Functional Macromolecules and Complexes (POF3-551)
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536 _ _ |a EUSMI - European infrastructure for spectroscopy, scattering and imaging of soft matteer (731019)
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700 1 _ |a Liu, Yi
|0 P:(DE-Juel1)159482
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700 1 _ |a Hsu, Chiao-Peng
|0 P:(DE-HGF)0
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700 1 _ |a Lucio, Isa
|0 P:(DE-HGF)0
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700 1 _ |a Lang, Peter R.
|0 P:(DE-Juel1)130789
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856 4 _ |y OpenAccess
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910 1 _ |a ETH Zurich
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