Gallery

2024

(2024) Energy landscape engineering of two-dimensional colloidal crystals on three-dimensional curved surfaces (in prep)

2023

(2023) Simplified potentials for single anisotropic colloidal induced dipoles interacting with non-uniform AC electric fields (in prep)

(2023) Low dimensional state map indicating stable, metastable, and transition states for rectangular prism colloids in AC electric fields.

(2023) Reversible transitions of rectangular prisms in AC electric fields for: fluid-glass, fluid-nematic, nematic-crystal, and crystal-fluid.

2022

(2022) Imaging energy landscapes on polymerized liquid crystal interfaces using diffusing colloidal probes (in prep)

(2022) Anisotropic particle phase behavior and density profiles on energy landscapes due to non-uniform external fields (in prep)

(2022) Colloidal self diffusion on a sphere in fluid and crystal phases including dynamical heterogeneity via topological defects (in prep)

2021

(2021) 2D assembly of circular, square, elliptical, and rectangular prisms yields liquid, liquid crystalline, and crystalline states.

(2021) Design of intelligent microbot control systems for navigation in vascular networks with effects of confinement, crowding, and curvature.

(2021) Algorithms for hierarchical colloidal self assembly on reconfigurable energy landscapes using an electrode array (in prep)

2020

(2020) Spontaneous emulsification from surface of TPM pendant drop in water without surfactant or nanoparticle stabilizer

(2020) Deposition, detachment, redeposition of colloids with shear and dilution of concentrated polymer-surfactant mixtures

(2020) Frequency-dependent assembly of gold silica segmented particles showing real-time control of particle position and local density.

2019

(2019) Phase behavior and microstructures of two-dimensional superellipses

(2019) Feedback controlled colloidal assembly on morphing energy landscapes

(2019) Electric field mediated induced dipolar interactions and assembly dynamics in 2D superellipses

2018

(2018) Synergistic polymer-surfactant complex mediated colloidal interactions, dynamics, and deposition

(2018) Spatially varying colloidal phase behavior on multi-dimensional energy landscapes

(2018) Computational geometry for anisotropic colloidal particle micrstructures: tesselations & stretched order parameters

2017

(2017) Shape dependent colloidal deposition & detachment

(2017) Energy landscapes for ellipsoids in non-uniform AC electric fields

(2017) Direct measurements of kT-scale capsule-substrate interactions & deposition vs. surfactant & polymer additives

2016

(2016) Simple expressions for electrostatic and van der Waals interactions beween superellipsoids and surfaces

(2016) Capture and transport of Brownian cargo via optimal planning and control of active colloidal particle swarms

(2016) 3D positional and orientational control of anisotropic particles via AC electric field mediated kT-scale energy landscapes

2015

(2015) Optimal feedback controlled assembly of perfect crystals via navigation between states on energy landscapes

(2015) Non-equilibrium assembly of freely rotating colloidal particles from chains to crystals via folding in rotating magnetic field

(2015) Controlled optimal navigation of self-propelled colloidal rods in crowded media: obstacle courses and mazes

2014

(2014) Measuring magnetic field mediated interactions and dynamics in a colloidal doublet within a rotating magnetic field

(2014) Exploring excluded volume through reconfigurable depletion mediated colloidal assembly on multi-scale topographical patterns

(2014) Diffusing colloidal probes of cancer cells to quantify specific interactions between drug particle coatings and cell receptors

2013

(2013) Growth of finite sized defect free colloidal crystal via controlled sedimentation and tunable depletion attraction (in prep)

(2013) Formation of PEGylated supported lipid bilayer on glass microscope slide via fusion and rupture of 80nm vesicles

(2014) Diffusing colloidal probes of cancer cells to quantify specific interactions between drug particle coatings and cell receptors

2012

(2012) Tracking the centroid and endpoints of levitated metal nanoparticle rods to measure potentials of mean force and diffusion

(2012) Monte Carlo simulations of multi-valent, equilibrium bridging between protein decorated colloids by unadsorbed carbohydrates

(2012) Grain boundary migration across single colloidal crystals quantified by order parameter based landscapes and dynamic models

2011

(2011) Order parameter based programmable electric field mediated colloidal crystal assembly on energy landscapes

(2011) Imaging carbon nanotube interactions, diffusion, and stability in nanopores with evanescent wave scattering

(2011) Feedback control of colloidal crystals size with multiple simultaneous electrokinetic actuators

2010

(2010) Dielectrophoretic assembly of a three dimensional pyramidal crystal in a quadrupole

(2010) Confocal laser imaging and annealing of quantum dot coated silica colloidal crystals

(2010) Calcium dependent Cadherin interactions measured in a microfluidic colloidal crystal

2009

(2009) Dynamically controlled colloidal assembly via navigation of energy landscapes

(2009) Diffusing nanoparticle probes of protein-carbohydrate interactions

(2009) Dielectrophoretic assembly of interfacial colloidal crystals

2008

(2008) Spatially controlled reversible colloidal self-assembly via tunable hydrogel depletants

(2008) Interfacial colloidal crystallization via tunable hydrogel depletants

(2008) Electrostatically confined nanoparticle interactions and dynamics

2007

(2007) Interfacial colloidal sedimentation equilibrium. I. Intensity based confocal microscopy

(2007) Interfacial colloidal sedimentation equilibrium. I. Intensity based confocal microscopy

(2007) Imaging energy landscapes with concentrated diffusing colloidal probes

(2007) Evanescent wave excited luminescence from levitated quantum dot modified colloids

(2007) Diffusing colloidal probes of protein and synthetic macromolecule interactions

(2007) Colloidal microstructures, transport, and impedance properties within interfacial microelectrodes

2006

(2006) Self-diffusion in submonolayer colloidal fluids near a wall

(2006) Mapping patterned potential energy landscapes with diffusing colloidal probes

(2006) Mapping patterned potential energy landscapes with diffusing colloidal probes

2005

(2005) Measurement and interpretation of particle−particle and particle−wall interactions in levitated colloidal ensembles

(2005) Interpretation of conservative forces from Stokesian dynamic simulations of interfacial and confined colloids

(2005) Interpretation of conservative forces from Stokesian dynamic simulations of interfacial and confined colloids