Experimental Soft Condensed
Matter Group

Prof. David A. Weitz
Division of Engineering and Applied Sciences / Department of Physics
Harvard University, Cambridge, MA 02138

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OLDER RESEARCH:

Defects in Liquid Crystals

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Colloids and Surfactants

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Emulsions

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Colloidal Aggregates

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Microscopic dynamics of the glass transition

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Cracking of Viscoelastic Media

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Multicolor Particle Tracking of Nanocrystals

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Nucleation and growth of Colloidal Crystals

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Weakly aggregating systems

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Aging of Fractal Colloidal Gels

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Probing Polymer Solutions using DWS

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Calcite Crystals

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Mixtures of Disks and Polymers (Shake Gels)

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Bio-optics

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Stability of Compressed Emulsions

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Vesicles

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Colloidal Pastes

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Electro-sterically dispersing carbon particles in non-polar media

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Gravity & Colloidal Aggregations

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Attractive and Repulsive Colloidal Glasses

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Binary Colloidal Crystals

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Physics of Colloids in Space

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Mechanics of Cytoplasm extracted from Xenopus Eggs

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Entangled Actin Solutions

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Microstructure Dynamics and Anomalous Diffusion in Entangled F-actin Networks

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The Motion of a Brain Tumor in a Gel

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Probing Heterogeneous Materials with Multiple Particle Tracking

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Surface Chemistry Effects on Particle Tracking

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Effect of Particle Size

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Dripping to Jetting in Flow Focusing Devices

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Polymer membranes

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Colloidosomes

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Porous Particles for Drug Delivery by Inhalation

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Surface Light Scattering

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Emulsification

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Extensional Flow Breakup

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Multicomponent Drops

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Particle Segregation

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Expansion Patterns

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Boojums

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Mixing in Microchannels

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Discotic Colloids

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Microfluidics and Complex Fluids

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Frequency Doubling to Chaos

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Surface modification of PDMS microfluidic devices with polyelectrolyte multilayers

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Sedimentation at Low Reynolds number

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Colloidal Drops on Hot Plates

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Charging in Non-Polar Colloids

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Flow and Fracture in Films

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Dense Colloidal Gels

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Slow Dynamics in Dense Colloidal Systems

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Shear Cell for Confocal Studies

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Deformation of Crystals and Glasses

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Visualization of the electrical excitation in the heart

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Structure and Drying Droplets of Polystyrene Colloidal Suspensions and Polyethylene Oxide

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Transport in Living Cells

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Length Scale Dependence of Actin Rheology

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Encapsulation in polymer shells

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High-throughput dielectric detection and characterization of material droplets

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Quantum Dots as Biological Labels

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Sedimentation

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Structure and Dynamics of Reversible Physical Polymer Gels

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Drop sorting using electric field

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Enzyme-inhibitor assay using microdrops

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Triple and Multiple Emulsions

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Mechanics of cytoskeletal protein networks

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Molecular Evolution

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Shearing Actin Networks

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Rheological Properties of Inhomogeneous Hydrogel Systems

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The effect of the air/liquid interface on colloidal behavior

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Preparation and Characterization of Monodisperse Stimuli-responsive Microspheres with Controllable Internal Structures

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Non-Ionic Fluorosurfactants for Biological and Chemical Applications inside Aqueous and Organic Emulsion droplets

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Colloidal Aggregation in Carbon Black Gels

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Sedimenting Polydisperse Colloids

Microtubule Mechanics in Cells

Single Cell Chemical Sensing via Encapsulation Into Functionalized Polymer Shell

Uniform Microgels with Complex Structures

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Engineering of Non-Spherical Colloidal Particles

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Engineering materials with capillary-based microfluidic devices

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Microgel Physics

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Uniform Microgels with Complex Structures

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Collapse of Colloidal Gells

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Engineering Particle Systems for Pulmonary Drug Delivery

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Nematic order in spherical shells

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Microscopic origin of the nonlinear elasticity of actin-filamin networks

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Physical Aspects of Cell Division

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Mechanical Properties of Actin-α-Actinin Networks

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