Stephen Garoff
Overview
Explore the profile of Stephen Garoff including associated specialties, affiliations and a list of published articles.
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Articles
38
Citations
147
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Recent Articles
1.
Yang A, McKenzie B, Pavlat B, Johnson E, Khair A, Garoff S, et al.
Langmuir
. 2024 May;
40(19):10143-10156.
PMID: 38690604
When placed in an ionic surfactant gradient, charged colloids will undergo diffusiophoresis at a velocity, = ∇ ln , where is the diffusiophoretic mobility and is the surfactant concentration. The...
2.
Iasella S, Sharma R, Garoff S, Tilton R
J Colloid Interface Sci
. 2023 Sep;
653(Pt A):807-820.
PMID: 37757714
Hypothesis: Surface tension gradient driven Marangoni flows originating from multiple sources are important to many industrial and medical applications, but the theoretical literature focuses on single surfactant sources. Understanding how...
3.
Yang A, McKenzie B, Yi Y, Khair A, Garoff S, Tilton R
J Colloid Interface Sci
. 2023 Apr;
642:169-181.
PMID: 37003011
Hypothesis: A concentration gradient of surfactants in the presence of polymers that non-covalently associate with surfactants will exhibit a continually varying distribution of complexes with different composition, charge, and size....
4.
Hsieh T, Garoff S, Tilton R
J Colloid Interface Sci
. 2022 May;
623:685-696.
PMID: 35605450
Hypothesis: Marangoni spreading driven by localized surfactant solution deposition previously has been studied only for single surfactant systems. For binary surfactant mixtures, interactions that generate surface tension synergism, a thermodynamic...
5.
Chu H, Garoff S, Tilton R, Khair A
Soft Matter
. 2022 Feb;
18(9):1896-1910.
PMID: 35188176
The transport of microorganisms by chemotaxis is described by the same "log-sensing" response as colloids undergoing diffusiophoresis, despite their different mechanistic origins. We employ a recently-developed macrotransport theory to analyze...
6.
Sauleda M, Hsieh T, Xu W, Tilton R, Garoff S
J Colloid Interface Sci
. 2022 Feb;
614:511-521.
PMID: 35121509
Hypothesis: Surfactant-driven Marangoni spreading generates a fluid flow characterized by an outwardly moving "Marangoni ridge". Spreading on thin and/or high viscosity subphases, as most of the prior literature emphasizes, does...
7.
Hages N, Sembrat J, Weber L, Johnston D, Stetten A, Sauleda M, et al.
J Aerosol Med Pulm Drug Deliv
. 2021 Oct;
35(3):146-153.
PMID: 34647795
Inhaled drug delivery can be limited by heterogeneous dose distribution. An additive that would disperse drug over the internal surfaces of the lung after aerosol deposition could improve dosing uniformity...
8.
Hsieh T, Law S, Garoff S, Tilton R
Langmuir
. 2021 Sep;
37(39):11573-11581.
PMID: 34554763
While the concept of interfacial tension synergism in surfactant mixtures is well established, little attention has been paid to the possibility of synergistic effects on the interfacial rheology of mixed...
9.
Sauleda M, Chu H, Tilton R, Garoff S
Langmuir
. 2021 Mar;
37(11):3309-3320.
PMID: 33689367
When an insoluble surfactant is deposited on the surface of a thin fluid film, stresses induced by surface tension gradients drive Marangoni spreading across the subphase surface. The presence of...
10.
Hsieh T, Martinez M, Garoff S, Matyjaszewski K, Tilton R
J Colloid Interface Sci
. 2020 Aug;
581(Pt A):135-147.
PMID: 32771725
Hypothesis: Molecular architecture and composition of amphiphilic bottlebrush copolymers will dictate the dominant interfacial relaxation modes and the corresponding dilatational rheology for adsorbed layers at oil/water interfaces in a way...