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arxiv: 2607.01031 · v1 · pith:ACWAYKPUnew · submitted 2026-07-01 · ❄️ cond-mat.soft · physics.bio-ph· physics.chem-ph· physics.flu-dyn· physics.geo-ph

Diffusiophoretic transport of colloids and emulsions in complex environments

Amir A. Pahlavan This is my paper

Pith reviewed 2026-07-02 05:01 UTC · model grok-4.3

classification ❄️ cond-mat.soft physics.bio-phphysics.chem-phphysics.flu-dynphysics.geo-ph
keywords diffusiophoresisporous mediacolloid transportchemical gradientsdiffusioosmosisemulsionsdead-end poresmixing
0
0 comments X

The pith

Chemical gradients in porous media drive diffusiophoresis that can enhance removal from dead-end pores and alter dispersion by orders of magnitude.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

This review integrates diffusiophoresis into the classical framework of colloid transport through porous media. Porous environments create and sustain chemical gradients through processes such as dissolution, metabolism, and evaporation. These gradients drive phoretic motion of colloids and emulsions while inducing diffusioosmotic flows along surfaces. Recent results indicate that diffuse solute fronts prolong phoretic forcing in dead-end pores to improve removal and that cross-streamline migration within flow paths shifts macroscopic breakthrough and dispersion by orders of magnitude.

Core claim

The paper establishes that diffusiophoresis and diffusioosmosis, driven by solute gradients generated, stretched, and dispersed within complex porous geometries, modify colloid and emulsion transport beyond standard hydrodynamic dispersion, surface interactions, straining, deposition, and filtration, with diffuse fronts extending the duration of phoretic forcing in dead-end pores and cross-streamline migration changing breakthrough and dispersion by orders of magnitude.

What carries the argument

The minimal physicochemical model for diffusiophoresis and diffusioosmosis acting on solute gradients generated and sustained by porous media.

If this is right

  • Diffuse solute fronts enhance phoretic removal from dead-end pores by prolonging the duration of forcing.
  • Cross-streamline migration within flowing pathways changes macroscopic breakthrough and dispersion by orders of magnitude.
  • The same mechanisms apply to emulsion droplets in multiphase flows and to confined or living media.
  • Porous media exhibit a transition from algebraic mixing in two-dimensional micromodels to chaotic mixing in three-dimensional geometries that affects gradient sustenance.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

  • Controlled chemical gradients could improve efficiency in filtration or soil remediation designs.
  • Metabolic gradients inside biofilms and tissues may govern particle transport in biological settings.
  • Direct comparison of phoretic effects between two-dimensional micromodels and three-dimensional porous media would test the impact of the mixing regime transition.

Load-bearing premise

The minimal physicochemical model for diffusiophoresis and diffusioosmosis together with classical colloid transport descriptions sufficiently captures behavior in complex porous environments without major unmodeled effects from confinement or multiphase interactions.

What would settle it

An experiment in a confined multiphase porous system that shows transport behavior deviating substantially from the predictions of the minimal model would falsify the central assumption.

Figures

Figures reproduced from arXiv: 2607.01031 by Amir A. Pahlavan.

Figure 1
Figure 1. Figure 1: FIG. 1. Different sources of chemical gradients in subsurface environments, from irrigation and fertilizer application in agriculture to biogeo [PITH_FULL_IMAGE:figures/full_fig_p004_1.png] view at source ↗
Figure 2
Figure 2. Figure 2: FIG. 2. Spreading and mixing of a solute plume in a three-dimensional porous bead pack: stretching, mixing and concentration gradients [PITH_FULL_IMAGE:figures/full_fig_p005_2.png] view at source ↗
Figure 3
Figure 3. Figure 3: FIG. 3. (a) Transport of colloids, contaminants, microplastics, pathogens, and bacteria in subsurface environments. Colloid deposition or [PITH_FULL_IMAGE:figures/full_fig_p006_3.png] view at source ↗
Figure 4
Figure 4. Figure 4: FIG. 4. Bulk gradient of electrolytes drive an osmotic flow on the surface of charged surfaces. This flow consists of two contributions: [PITH_FULL_IMAGE:figures/full_fig_p008_4.png] view at source ↗
Figure 5
Figure 5. Figure 5: FIG. 5. (a) Representative microfluidic platform for studying diffusiophoretic transport in porous media. (b) Flow velocity patterns and the [PITH_FULL_IMAGE:figures/full_fig_p010_5.png] view at source ↗
Figure 6
Figure 6. Figure 6: FIG. 6. Diffusiophoretic transport of colloids in ordered/disordered micromodels. Green dots represent the colloidal particles. The evolution [PITH_FULL_IMAGE:figures/full_fig_p011_6.png] view at source ↗
Figure 7
Figure 7. Figure 7: FIG. 7. (a) Flow velocity disorder and heterogeneous mixing enhances the dispersion of solute fronts in porous media, weakening the spatial [PITH_FULL_IMAGE:figures/full_fig_p012_7.png] view at source ↗
Figure 8
Figure 8. Figure 8: FIG. 8. (a) We study the influence of solute gradients on the transport of colloids in microfluidic channels embedded with ordered/disordered [PITH_FULL_IMAGE:figures/full_fig_p014_8.png] view at source ↗
Figure 9
Figure 9. Figure 9: FIG. 9. Droplets and emulsions in solute gradients. (a,b) Salinity fronts can mobilize or aggregate oil drops in porous micromodels and [PITH_FULL_IMAGE:figures/full_fig_p016_9.png] view at source ↗
Figure 10
Figure 10. Figure 10: FIG. 10. Diffusiophoresis in confined and living media. (a) Surfactant rinsing helps remove stains from fabrics. (b) Colloids penetrate into [PITH_FULL_IMAGE:figures/full_fig_p017_10.png] view at source ↗
read the original abstract

Chemical gradients are ubiquitous in porous and crowded environments, including soils, filters, fabrics, tissues, hydrogels, biofilms and living cells. They arise from displacement fronts, dissolution and precipitation, ion exchange, metabolism, root exudation, evaporation, gas dissolution, freeze--thaw cycles and externally imposed chemical treatments. These gradients can drive colloids, macromolecules and emulsion droplets by diffusiophoresis, while simultaneously driving diffusioosmotic flows along confining surfaces. Classical models of colloid transport in porous media emphasize hydrodynamic dispersion, surface interactions, straining, deposition, detachment and filtration. This chapter places diffusiophoresis within that broader transport framework and reviews how porous media generate, stretch, disperse and sustain the solute gradients that drive phoretic motion. We first discuss sources of chemical gradients and the distinction between spreading and mixing, then summarize classical colloid transport, the minimal physicochemical model for diffusiophoresis and diffusioosmosis, and the experimental platforms used to study these effects. Particular emphasis is placed on recent results showing that diffuse solute fronts can enhance phoretic removal from dead-end pores by prolonging the duration of forcing, and that cross-streamline migration within flowing pathways can change macroscopic breakthrough and dispersion by orders of magnitude. We close by discussing emulsion droplets, multiphase flows, confined and living media, and open problems, including the transition from algebraic mixing in two-dimensional micromodels to chaotic mixing in three-dimensional porous media.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

0 major / 0 minor

Summary. The manuscript is a review chapter that places diffusiophoresis and diffusioosmosis within the classical framework of colloid transport in porous and complex media. It reviews sources of chemical gradients (e.g., displacement fronts, metabolism, evaporation), the distinction between spreading and mixing, classical descriptions of hydrodynamic dispersion, straining, and filtration, the minimal physicochemical model for diffusiophoresis/diffusioosmosis, and experimental platforms. Particular emphasis is given to recent results indicating that diffuse solute fronts prolong the duration of phoretic forcing in dead-end pores and that cross-streamline migration can alter macroscopic breakthrough curves and dispersion by orders of magnitude. The review closes with sections on emulsion droplets, multiphase flows, confined and living media, and open problems including the algebraic-to-chaotic mixing transition from 2D micromodels to 3D porous media.

Significance. If the synthesis holds, the review is significant as an organizing synthesis that connects established colloid-transport models to recent experimental demonstrations of order-of-magnitude phoretic effects. It explicitly credits the recent results on prolonged forcing in dead-end pores and cross-streamline migration, and it flags the 2D-to-3D mixing transition as an open problem. The skeptic concern about unmodeled confinement or multiphase corrections does not land as a load-bearing flaw, because the manuscript presents the minimal model as a starting point and devotes space to the regimes where it may require extension rather than asserting sufficiency without qualification.

Simulated Author's Rebuttal

0 responses · 0 unresolved

We thank the referee for their positive assessment of the manuscript, accurate summary of its scope, and recommendation to accept. No major comments were raised.

Circularity Check

0 steps flagged

Review paper with no new derivations or fitted predictions

full rationale

This is a review article summarizing existing literature on diffusiophoresis and diffusioosmosis in porous media. It does not introduce original derivations, equations, fitted parameters, or predictions that could reduce to inputs by construction. The text explicitly frames itself as placing diffusiophoresis within classical colloid transport frameworks and reviewing sources of gradients and recent results from other studies. No load-bearing claims rely on self-citations that are themselves unverified or on ansatzes smuggled via prior work by the same author. The paper is self-contained as a synthesis against external benchmarks and contains no self-definitional, fitted-input, or uniqueness-imported circularity.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

The paper is a review chapter relying on classical colloid transport models and prior experimental results cited in the literature; no new free parameters, axioms, or invented entities are introduced in the abstract.

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Works this paper leans on

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  1. [1]

    Berkowitz, I

    B. Berkowitz, I. Dror, S. K. Hansen, and H. Scher, Measure- ments and models of reactive transport in geological media, Reviews of Geophysics54, 930 (2016)

    2016

  2. [2]

    L. Li, K. Maher, A. Navarre-Sitchler, J. Druhan, C. Meile, C. Lawrence, J. Moore, J. Perdrial, P. Sullivan, A. Thomp- son, L. Jin, E. W. Bolton, S. L. Brantley, W. E. Dietrich, K. U. Mayer, C. I. Steefel, A. Valocchi, J. Zachara, B. Kocar, J. Mcintosh, B. M. Tutolo, M. Kumar, E. Sonnenthal, C. Bao, and J. Beisman, Expanding the role of reactive transport ...

    2017

  3. [3]

    Rolle and T

    M. Rolle and T. Le Borgne, Mixing and Reactive Fronts in the Subsurface, Reviews in Mineralogy and Geochemistry85, 111 (2019)

    2019

  4. [4]

    A. J. Ladd and P. Szymczak, Reactive flows in porous me- dia: Challenges in theoretical and numerical methods, Annual Review of Chemical and Biomolecular Engineering12, 543 (2021)

    2021

  5. [5]

    Dentz, J

    M. Dentz, J. J. Hidalgo, and D. Lester, Mixing in porous media: Concepts and approaches across scales, Transport in Porous Media146, 5 (2023)

    2023

  6. [6]

    C. A. Browne and S. S. Datta, Harnessing elastic instabili- ties for enhanced mixing and reaction kinetics in porous me- dia, Proceedings of the National Academy of Sciences121, e2320962121 (2024)

    2024

  7. [7]

    Sanquer, J

    H. Sanquer, J. Heyman, K. Hanna, and T. Le Borgne, Mi- croscale chaotic mixing as a driver for chemical reactions in porous media, Environmental Science & Technology58, 8899 (2024)

    2024

  8. [8]

    Le Borgne and J

    T. Le Borgne and J. Heyman, Fluid deformation and mixing in porous media as drivers for chemical and biological processes, Annual Review of Fluid Mechanics58, 443 (2026)

    2026

  9. [9]

    J. F. McCarthy and J. M. Zachara, Subsurface transport of contaminants, Environmental Science & Technology23, 496 (1989)

    1989

  10. [10]

    Kretzschmar, M

    R. Kretzschmar, M. Borkovec, D. Grolimund, and M. Elim- elech, Mobile subsurface colloids and their role in contami- nant transport, inAdvances in Agronomy, V ol. 66 (Academic Press, 1999) pp. 121–193

    1999

  11. [11]

    S. A. Bradford, S. R. Yates, M. Bettahar, and J. Simunek, Physical factors affecting the transport and fate of colloids in saturated porous media, Water Resources Research38, 63 (2002)

    2002

  12. [12]

    P. G. Tratnyek and R. L. Johnson, Nanotechnologies for envi- ronmental cleanup, Nano Today1, 44 (2006)

    2006

  13. [13]

    Kanti Sen and K

    T. Kanti Sen and K. C. Khilar, Review on subsurface col- loids and colloid-associated contaminant transport in saturated porous media, Advances in Colloid and Interface Science119, 71 (2006)

    2006

  14. [14]

    S. J. Klaine, P. J. J. Alvarez, G. E. Batley, T. F. Fernandes, R. D. Handy, D. Y . Lyon, S. Mahendra, M. J. McLaughlin, and J. R. Lead, Nanomaterials in the environment: Behav- ior, fate, bioavailability, and effects, Environmental Toxicol- ogy and Chemistry27, 1825 (2008)

    2008

  15. [15]

    S. A. Bradford and S. Torkzaban, Colloid transport and re- tention in unsaturated porous media: A review of interface-, collector-, and pore-scale processes and models, Vadose Zone Journal7, 667 (2008)

    2008

  16. [16]

    Weber, A

    F.-A. Weber, A. V oegelin, R. Kaegi, and R. Kretzschmar, Con- taminant mobilization by metallic copper and metal sulphide colloids in flooded soil, Nature Geoscience2, 267 (2009)

    2009

  17. [17]

    S. A. Bradford, V . L. Morales, W. Zhang, R. Harvey, A. I. Packman, A. Mohanram, and C. Welty, Transport and fate of microbial pathogens in agricultural settings, Critical Reviews in Environmental Science and Technology43, 775 (2013)

    2013

  18. [18]

    O. S. Pokrovsky, R. M. Manasypov, S. V . Loiko, and L. S. Shi- rokova, Organic and organo-mineral colloids in discontinuous permafrost zone, Geochimica et Cosmochimica Acta188, 1 (2016)

    2016

  19. [19]

    V . L. Morales, M. Dentz, M. Willmann, and M. Holzner, Stochastic dynamics of intermittent pore-scale particle motion in three-dimensional porous media: Experiments and theory, Geophysical Research Letters44, 9361 (2017)

    2017

  20. [20]

    A. A. de Souza Machado, C. W. Lau, J. Till, W. Kloas, A. Lehmann, R. Becker, and M. C. Rillig, Impacts of mi- croplastics on the soil biophysical environment, Environmen- tal Science & Technology52, 9656 (2018)

    2018

  21. [21]

    Aramideh, P

    S. Aramideh, P. P. Vlachos, and A. M. Ardekani, Nanoparticle dispersion in porous media in viscoelastic polymer solutions, Journal of Non-Newtonian Fluid Mechanics268, 75 (2019)

    2019

  22. [22]

    Ouyang, W

    B. Ouyang, W. Poon, Y .-N. Zhang, Z. P. Lin, B. R. Kingston, A. J. Tavares, Y . Zhang, J. Chen, M. S. Valic, A. M. Syed, P. MacMillan, J. Couture-Sen ´ecal, G. Zheng, and W. C. W. Chan, The dose threshold for nanoparticle tumour delivery, Nature Materials19, 1362 (2020)

    2020

  23. [23]

    MacLeod, H

    M. MacLeod, H. P. H. Arp, M. B. Tekman, and A. Jahnke, The global threat from plastic pollution, Science373, 61 (2021)

    2021

  24. [24]

    Mangal, J

    D. Mangal, J. C. Palmer, and J. C. Conrad, Nanoparticle dis- persion in porous media: Effects of array geometry and flow orientation, Phys. Rev. E104, 015102 (2021)

    2021

  25. [25]

    Mangal, J

    D. Mangal, J. C. Conrad, and J. C. Palmer, Nanoparticle dis- persion in porous media: Effects of hydrodynamic interactions and dimensionality, AIChE Journal67, e17147 (2021)

    2021

  26. [26]

    J. E. Patino, W. P. Johnson, and V . L. Morales, Relating mech- anistic fate with spatial positioning for colloid transport in sur- face heterogeneous porous media, Journal of Colloid and In- terface Science641, 666 (2023)

    2023

  27. [27]

    T. Wu, Z. Yang, R. Hu, and Y .-F. Chen, Three-dimensional visualization reveals pore-scale mechanisms of colloid trans- 19 port and retention in two-phase flow, Environmental Science & Technology57, 1997 (2023)

    1997

  28. [28]

    M. C. Rillig, S. W. Kim, and Y .-G. Zhu, The soil plastisphere, Nature Reviews Microbiology22, 64 (2024)

    2024

  29. [29]

    A. A. Pahlavan, The soil plastisphere: The nexus of microplas- tics, bacteria, and biofilms, InterPore Journal1, IPJ271124 (2024)

    2024

  30. [30]

    Huang, M

    X. Huang, M. Auffan, M. J. Eckelman, M. Elimelech, J.-H. Kim, J. Rose, K. Zuo, Q. Li, and P. J. J. Alvarez, Trends, risks and opportunities in environmental nanotechnology, Na- ture Reviews Earth & Environment5, 572 (2024)

    2024

  31. [31]

    J. A. O’Donnell, M. P. Carey, J. C. Koch, C. Baughman, K. Hill, C. E. Zimmerman, P. F. Sullivan, R. Dial, T. Lyons, D. J. Cooper, and B. A. Poulin, Metal mobilization from thaw- ing permafrost to aquatic ecosystems is driving rusting of arc- tic streams, Communications Earth & Environment5, 268 (2024)

    2024

  32. [32]

    Storm and J

    R. Storm and J. S. Marshall, Pore-scale modelling of particle transport in a porous bed, Journal of Fluid Mechanics979, A9 (2024)

    2024

  33. [33]

    E. K. Skierszkan, J. W. Dockrey, and M. B. J. Lindsay, Metal mobilization from thawing permafrost is an emergent risk to water resources, ACS ES&T Water5, 20 (2025)

    2025

  34. [34]

    D. Liu, P. R. Johnson, and M. Elimelech, Colloid deposition dynamics in flow-through porous media: Role of electrolyte concentration, Environmental Science & Technology29, 2963 (1995)

    1995

  35. [35]

    P. R. Johnson, N. Sun, and M. Elimelech, Colloid trans- port in geochemically heterogeneous porous media: Modeling and measurements, Environmental Science & Technology30, 3284 (1996)

    1996

  36. [36]

    S. B. Roy and D. A. Dzombak, Chemical factors influencing colloid-facilitated transport of contaminants in porous media, Environmental Science & Technology31, 656 (1997)

    1997

  37. [37]

    Torkzaban, S

    S. Torkzaban, S. A. Bradford, and S. L. Walker, Resolving the coupled effects of hydrodynamics and dlvo forces on colloid attachment in porous media,Langmuir, Langmuir23, 9652 (2007)

    2007

  38. [38]

    I. L. Molnar, W. P. Johnson, J. I. Gerhard, C. S. Willson, and D. M. O’Carroll, Predicting colloid transport through satu- rated porous media: A critical review, Water Resources Re- search51, 6804 (2015)

    2015

  39. [39]

    I. L. Molnar, E. Pensini, M. A. Asad, C. A. Mitchell, L. C. Nitsche, L. J. Pyrak-Nolte, G. L. Mi ˜no, and M. M. Krol, Col- loid transport in porous media: A review of classical mech- anisms and emerging topics, Transport in Porous Media130, 129 (2019)

    2019

  40. [40]

    Bizmark, J

    N. Bizmark, J. Schneider, R. D. Priestley, and S. S. Datta, Mul- tiscale dynamics of colloidal deposition and erosion in porous media, Science Advances6, eabc2530 (2020)

    2020

  41. [41]

    Mangal, J

    D. Mangal, J. C. Conrad, and J. C. Palmer, Nanoparticle dis- persion in porous media: Effects of attractive particle-media interactions, Phys. Rev. E105, 055102 (2022)

    2022

  42. [42]

    W. K. Darko, D. Mangal, J. C. Conrad, and J. C. Palmer, Par- ticle dispersion through porous media with heterogeneous at- tractions, Soft Matter20, 837 (2024)

    2024

  43. [43]

    J. L. Anderson, Colloid transport by interfacial forces, Annu. Rev. Fluid Mech.21, 61 (1989)

    1989

  44. [44]

    Velegol, A

    D. Velegol, A. Garg, R. Guha, A. Kar, and M. Kumar, Origins of concentration gradients for diffusiophoresis, Soft Matter12, 4686 (2016)

    2016

  45. [45]

    Marbach and L

    S. Marbach and L. Bocquet, Osmosis, from molecular insights to large-scale applications, Chem. Soc. Rev.48, 3102 (2019)

    2019

  46. [46]

    Shim, Diffusiophoresis, diffusioosmosis, and microflu- idics: Surface-flow-driven phenomena in the presence of flow, Chemical Reviews122, 6986 (2022)

    S. Shim, Diffusiophoresis, diffusioosmosis, and microflu- idics: Surface-flow-driven phenomena in the presence of flow, Chemical Reviews122, 6986 (2022)

    2022

  47. [47]

    J. T. Ault and S. Shin, Physicochemical hydrodynamics of particle diffusiophoresis driven by chemical gradients, Annual Review of Fluid Mechanics57, 227 (2025)

    2025

  48. [48]

    N. Shi, A. a. Fattah, and T. M. Squires, Generalized, concep- tually unified theory of linear phoretic drift and osmotic slip, Phys. Rev. Fluids10, 043701 (2025)

    2025

  49. [49]

    Abecassis, C

    B. Abecassis, C. Cottin-Bizonne, C. Ybert, A. Ajdari, and L. Bocquet, Boosting migration of large particles by solute contrasts, Nature Materials7, 785 (2008)

    2008

  50. [50]

    Palacci, B

    J. Palacci, B. Ab ´ecassis, C. Cottin-Bizonne, C. Ybert, and L. Bocquet, Colloidal motility and pattern formation un- der rectified diffusiophoresis, Phys. Rev. Lett.104, 138302 (2010)

    2010

  51. [51]

    Palacci, C

    J. Palacci, C. Cottin-Bizonne, C. Ybert, and L. Bocquet, Os- motic traps for colloids and macromolecules based on loga- rithmic sensing in salt taxis, Soft Matter8, 980 (2012)

    2012

  52. [52]

    Yadav, J

    V . Yadav, J. D. Freedman, M. Grinstaff, and A. Sen, Bone- crack detection, targeting, and repair using ion gradients, Angewandte Chemie International Edition52, 10997 (2013)

    2013

  53. [53]

    Florea, S

    D. Florea, S. Musa, J. M. R. Huyghe, and H. M. Wyss, Long- range repulsion of colloids driven by ion exchange and diffu- siophoresis, Proceedings of the National Academy of Sciences 111, 6554 (2014)

    2014

  54. [54]

    R. Guha, X. Shang, A. L. Zydney, D. Velegol, and M. Kumar, Diffusiophoresis contributes significantly to colloidal fouling in low salinity reverse osmosis systems, Journal of Membrane Science479, 67 (2015)

    2015

  55. [55]

    Chiang and D

    T.-Y . Chiang and D. Velegol, Multi-ion diffusiophoresis, Jour- nal of Colloid and Interface Science424, 120 (2014)

    2014

  56. [56]

    N. Shi, R. Nery-Azevedo, A. I. Abdel-Fattah, and T. M. Squires, Diffusiophoretic focusing of suspended colloids, Phys. Rev. Lett.117, 258001 (2016)

    2016

  57. [57]

    S. Shin, E. Um, B. Sabass, J. T. Ault, M. Rahimi, P. B. Warren, and H. A. Stone, Size-dependent control of colloid transport via solute gradients in dead-end channels, Proceedings of the National Academy of Sciences113, 257 (2016)

    2016

  58. [58]

    J. T. Ault, P. B. Warren, S. Shin, and H. A. Stone, Diffusio- phoresis in one-dimensional solute gradients, Soft Matter13, 9015 (2017)

    2017

  59. [59]

    Nery-Azevedo, A

    R. Nery-Azevedo, A. Banerjee, and T. M. Squires, Diffu- siophoresis in ionic surfactant gradients, Langmuir33, 9694 (2017)

    2017

  60. [60]

    J. T. Ault, S. Shin, and H. A. Stone, Diffusiophoresis in narrow channel flows, J. Fluid Mech.854, 420 (2018)

    2018

  61. [61]

    Battat, J

    S. Battat, J. T. Ault, S. Shin, S. Khodaparast, and H. A. Stone, Particle entrainment in dead-end pores by diffusiophoresis, Soft Matter15, 3879 (2019)

    2019

  62. [62]

    Gupta, B

    A. Gupta, B. Rallabandi, and H. A. Stone, Diffusiophoretic and diffusioosmotic velocities for mixtures of valence- asymmetric electrolytes, Phys. Rev. Fluids4, 043702 (2019)

    2019

  63. [63]

    J. L. Wilson, S. Shim, Y . E. Yu, A. Gupta, and H. A. Stone, Diffusiophoresis in multivalent electrolytes, Langmuir36, 7014 (2020)

    2020

  64. [64]

    Gupta, S

    A. Gupta, S. Shim, and H. A. Stone, Diffusiophoresis: from dilute to concentrated electrolytes, Soft Matter16, 6975 (2020)

    2020

  65. [65]

    Singh, G

    N. Singh, G. T. Vladisavljevi ´c, F. m. c. Nadal, C. Cottin- Bizonne, C. Pirat, and G. Bolognesi, Reversible trapping of colloids in microgrooved channels via diffusiophoresis under steady-state solute gradients, Phys. Rev. Lett.125, 248002 (2020). 20

    2020

  66. [66]

    H. Tan, A. Banerjee, N. Shi, X. Tang, A. Abdel-Fattah, and T. M. Squires, A two-step strategy for delivering particles to targets hidden within microfabricated porous media, Science Advances7, eabh0638 (2021)

    2021

  67. [67]

    B. M. Alessio, S. Shim, E. Mintah, A. Gupta, and H. A. Stone, Diffusiophoresis and diffusioosmosis in tandem: Two- dimensional particle motion in the presence of multiple elec- trolytes, Phys. Rev. Fluids6, 054201 (2021)

    2021

  68. [68]

    Jotkar and L

    M. Jotkar and L. Cueto-Felgueroso, Particle separation through diverging nanochannels via diffusiophoresis and dif- fusioosmosis, Phys. Rev. Appl.16, 064067 (2021)

    2021

  69. [69]

    B. M. Alessio, S. Shim, A. Gupta, and H. A. Stone, Diffusioosmosis-driven dispersion of colloids: a taylor disper- sion analysis with experimental validation, Journal of Fluid Mechanics942, A23 (2022)

    2022

  70. [70]

    S. Shim, J. K. Nunes, G. Chen, and H. A. Stone, Diffusio- phoresis in the presence of a ph gradient, Phys. Rev. Fluids7, 110513 (2022)

    2022

  71. [71]

    Chakra, N

    A. Chakra, N. Singh, G. T. Vladisavljevi´c, F. Nadal, C. Cottin- Bizonne, C. Pirat, and G. Bolognesi, Continuous manipulation and characterization of colloidal beads and liposomes via dif- fusiophoresis in single- and double-junction microchannels, ACS Nano17, 14644 (2023)

    2023

  72. [72]

    Akdeniz, J

    B. Akdeniz, J. A. Wood, and R. G. H. Lammertink, Diffusio- phoresis and diffusio-osmosis into a dead-end channel: Role of the concentration-dependence of zeta potential, Langmuir 39, 2322 (2023)

    2023

  73. [73]

    S. Lee, J. Lee, and J. T. Ault, The role of variable zeta po- tential on diffusiophoretic and diffusioosmotic transport, Col- loids and Surfaces A: Physicochemical and Engineering As- pects659, 130775 (2023)

    2023

  74. [74]

    R. E. Migacz, G. Durey, and J. T. Ault, Convection rolls and three-dimensional particle dynamics in merging solute streams, Phys. Rev. Fluids8, 114201 (2023)

    2023

  75. [75]

    Liu and A

    H. Liu and A. A. Pahlavan, Diffusioosmotic reversal of col- loidal focusing direction in a microfluidic t-junction, Phys. Rev. Lett.134, 098201 (2025)

    2025

  76. [76]

    Chakra, C

    A. Chakra, C. Puijk, G. T. Vladisavljevi ´c, C. Cottin-Bizonne, C. Pirat, and G. Bolognesi, Surface chemistry-based contin- uous separation of colloidal particles via diffusiophoresis and diffusioosmosis, Journal of Colloid and Interface Science693, 137577 (2025)

    2025

  77. [77]

    Villermaux, Mixing versus stirring, Annual Review of Fluid Mechanics51, 245 (2019)

    E. Villermaux, Mixing versus stirring, Annual Review of Fluid Mechanics51, 245 (2019)

    2019

  78. [78]

    Alipour, Y

    M. Alipour, Y . Li, H. Liu, and A. A. Pahlavan, Diffusio- phoretic transport of colloids in porous media, Science Ad- vances12, eady9874 (2026)

    2026

  79. [79]

    P. G. Saffman, A theory of dispersion in a porous medium, Journal of Fluid Mechanics6, 321 (1959)

    1959

  80. [80]

    D. L. Koch and J. F. Brady, Dispersion in fixed beds, Journal of Fluid Mechanics154, 399 (1985)

    1985

Showing first 80 references.