Search Results - "Warren, Patrick"

Non-Faradaic Electric Currents in the Nernst-Planck Equations and Nonlocal Diffusiophoresis of Suspended Colloids in Crossed Salt Gradients by Warren, Patrick B.

“…In the Nernst-Planck equations in two or more dimensions, a non-Faradaic solenoidal current can arise as a consequence of connecting patches with different…”
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Troll Factories: Manufacturing Specialized Disinformation on Twitter by Linvill, Darren L., Warren, Patrick L.

“…We document methods employed by Russia's Internet Research Agency to influence the political agenda of the United States from September 9, 2009 to June 21,…”
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Membraneless water filtration using CO2 by Shin, Sangwoo, Shardt, Orest, Warren, Patrick B., Stone, Howard A.

“…Water purification technologies such as microfiltration/ultrafiltration and reverse osmosis utilize porous membranes to remove suspended particles and solutes…”
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Sunshine as disinfectant: The effect of state Freedom of Information Act laws on public corruption by Cordis, Adriana S., Warren, Patrick L.

“…We assess the effect of Freedom of Information Act (FOIA) laws on public corruption in the United States. Specifically, we investigate the impact of switching…”
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Gibbs, Boltzmann, and negative temperatures by Frenkel, Daan, Warren, Patrick B.

“…In a recent paper, Dunkel and Hilbert [Nat. Phys. 10, 67–72 (2014)] use an entropy definition due to Gibbs to provide a “consistent thermostatistics” that…”
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Firearms and Lynching by Makowsky, Michael D., Warren, Patrick L.

“…We assess firearms as a means of Black residents’ self-defense in the Jim Crow South. We infer access to firearms by race and place by measuring the fraction…”
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Size-dependent control of colloid transport via solute gradients in dead-end channels by Shin, Sangwoo, Um, Eujin, Sabass, Benedikt, Ault, Jesse T., Rahimi, Mohammad, Warren, Patrick B., Stone, Howard A.

“…Transport of colloids in dead-end channels is involved in widespread applications including drug delivery and underground oil and gas recovery. In such…”
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Low‐Cost Zeta Potentiometry Using Solute Gradients by Shin, Sangwoo, Ault, Jesse T., Feng, Jie, Warren, Patrick B., Stone, Howard A.

“…The zeta potential is an electric potential in the Debye screening layer of an electrolyte, which represents a key physicochemical surface property in various…”
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Translation of Chemical Structure into Dissipative Particle Dynamics Parameters for Simulation of Surfactant Self-Assembly by Lavagnini, Ennio, Cook, Joanne L, Warren, Patrick B, Hunter, Christopher A

“…Dissipative particle dynamics (DPD) can be used to simulate the self-assembly properties of surfactants in aqueous solutions, but in order to simulate a new…”
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A Surface Site Interaction Point Method for Dissipative Particle Dynamics Parametrization: Application to Alkyl Ethoxylate Surfactant Self-Assembly by Lavagnini, Ennio, Cook, Joanne L, Warren, Patrick B, Williamson, Mark J, Hunter, Christopher A

“…Dissipative particle dynamics (DPD) is a coarse-grained approach to the simulation of large supramolecular systems, but one limitation has been that the…”
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“THE RUSSIANS ARE HACKING MY BRAIN!” investigating Russia's internet research agency twitter tactics during the 2016 United States presidential campaign by Linvill, Darren L., Boatwright, Brandon C., Grant, Will J., Warren, Patrick L.

“…This study analyzed tweets from handles associated with the Russian Internet Research Agency in an effort to better understand the tactics employed by that…”
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Why Clothes Don't Fall Apart: Tension Transmission in Staple Yarns by Warren, Patrick B, Ball, Robin C, Goldstein, Raymond E

“…The problem of how staple yarns transmit tension is addressed within abstract models in which the Amontons-Coulomb friction laws yield a linear programing (LP)…”
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Modeling Alkyl Aromatic Hydrocarbons with Dissipative Particle Dynamics by Bray, David J., Anderson, Richard L., Warren, Patrick B., Lewtas, Kenneth

“…Building on previous work studying alkanes, we develop a dissipative particle dynamics (DPD) model to capture the behavior of the alkyl aromatic hydrocarbon…”
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Critical Micelle Concentrations in Surfactant Mixtures and Blends by Simulation by Del Regno, Annalaura, Warren, Patrick B, Bray, David J, Anderson, Richard L

“…We explore the use of coarse-grained dissipative particle dynamics simulations to predict critical micelle concentrations (CMCs) in polydisperse surfactant…”
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Systematic Parameterization of Ion–Surfactant Interactions in Dissipative Particle Dynamics Using Setschenow Coefficients by Lavagnini, Ennio, Cook, Joanne L., Warren, Patrick B., Hunter, Christopher A.

“…Dissipative particle dynamics (DPD) simulations of nonionic surfactants with an added salt show that the Setschenow relationship is reproduced; that is, the…”
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Micelle Formation in Alkyl Sulfate Surfactants Using Dissipative Particle Dynamics by Anderson, Richard L, Bray, David J, Del Regno, Annalaura, Seaton, Michael A, Ferrante, Andrea S, Warren, Patrick B

“…We use dissipative particle dynamics (DPD) to study micelle formation in alkyl sulfate surfactants, with alkyl chain lengths ranging from 6 to 12 carbon atoms…”
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Where Do Trolls Say They Are? Understanding the Use of Place Claims in Nation State Influence Operations by Linvill, Darren, Warren, Jayson, Warren, Patrick L, White, David

“…Abstract This study employs the full public Twitter information operations archive and its nearly 90,000 accounts from at least 22 actors to examine one…”
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Accumulation of Colloidal Particles in Flow Junctions Induced by Fluid Flow and Diffusiophoresis by Shin, Sangwoo, Ault, Jesse T., Warren, Patrick B., Stone, Howard A.

“…The flow of solutions containing solutes and colloidal particles in porous media is widely found in systems including underground aquifers, hydraulic…”
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Contracting officer workload, incomplete contracting, and contractual terms by Warren, Patrick L.

“…This article estimates the causal effect of retirement-induced workload spikes on the selection of procurement terms. In a sample of 150,000 contracts from 85…”
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Wax Formation in Linear and Branched Alkanes with Dissipative Particle Dynamics by Bray, David J, Anderson, Richard L, Warren, Patrick B, Lewtas, Kenneth

“…We present a dissipative particle dynamics (DPD) model for wax formation (i.e., the freezing transition) in linear and branched alkanes at room temperature…”
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