Search Results - "Uspal, W. E."

Guiding Catalytically Active Particles with Chemically Patterned Surfaces by Uspal, W E, Popescu, M N, Dietrich, S, Tasinkevych, M

“…Catalytically active Janus particles suspended in solution create gradients in the chemical composition of the solution along their surfaces, as well as along…”
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Shape-dependent guidance of active Janus particles by chemically patterned surfaces by Uspal, W E, Popescu, M N, Tasinkevych, M, Dietrich, S

“…Self-phoretic chemically active Janus particles move by inducing-via non-equilibrium chemical reactions occurring on their surfaces-changes in the chemical…”
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Perils of ad hoc approximations for the activity function of chemically powered colloids by Popescu, M. N., Uspal, W. E., Tasinkevych, M., Dietrich, S.

“… Colloids can achieve motility by promoting at their surfaces chemical reactions in the surrounding solution. A well-studied case is that of self-phoresis, in…”
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Effective squirmer models for self-phoretic chemically active spherical colloids by Popescu, M. N., Uspal, W. E., Eskandari, Z., Tasinkevych, M., Dietrich, S.

“… Various aspects of self-motility of chemically active colloids in Newtonian fluids can be captured by simple models for their chemical activity plus a…”
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Theory of light-activated catalytic Janus particles by Uspal, W. E

“…J. Chem. Phys. 150, 114903 (2019) We study the dynamics of active Janus particles that self-propel in solution by light-activated catalytic decomposition of…”
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Shape-dependent guidance of active Janus particles by chemically patterned surfaces by Uspal, W. E, Popescu, M. N, Tasinkevych, M, Dietrich, S

“…New J. Phys. 20, 015013 (2018) Self-phoretic Janus particles move by inducing -- via non-equilibrium chemical reactions occurring on their surfaces -- changes…”
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Guiding catalytically active particles with chemically patterned surfaces by Uspal, W. E, Popescu, M. N, Dietrich, S, Tasinkevych, M

“…Phys. Rev. Lett. 117, 048002 (2016) Catalytically active Janus particles suspended in solution create gradients in the chemical composition of the solution…”
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Chemically active colloids near osmotic-responsive walls with surface-chemistry gradients by Popescu, M. N, Uspal, W. E, Dietrich, S

“…J. Phys.: Condens. Matter 29, 134001 (2017) Chemically active colloids move by creating gradients in the composition of the surrounding solution and by…”
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Rheotaxis of spherical active particles near a planar wall by Uspal, W. E, Popescu, M. N, Dietrich, S, Tasinkevych, M

“…Soft Matter, 2015, 11, 6613-6632 For active particles the interplay between the self-generated hydrodynamic flow and an external shear flow, especially near…”
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Self-propulsion of a catalytically active particle near a planar wall: from reflection to sliding and hovering by Uspal, W. E, Popescu, M. N, Dietrich, S, Tasinkevych, M

“…Soft Matter, 2015, 11, 434-438 Micron-sized particles moving through solution in response to self-generated chemical gradients serve as model systems for…”
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Effective squirmer models for self-phoretic chemically active spherical colloids by Popescu, M. N, Uspal, W. E, Eskandari, Z, Tasinkevych, M, Dietrich, S

“…Various aspects of self-motility of chemically active colloids in Newtonian fluids can be captured by simple models for their chemical activity plus a phoretic…”
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