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Search Results - kathleen+stebe

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Adhesive hydrogels for wet applications (Non-catechol based)

Biocompatible hydrogels exhibit robust adhesion in wet conditions to substrates with wide range of chemistries and moduli.Technology Overview: Recent interest in developing wet adhesion for biomedical and environmental applications have leveraged catechol-functionalized materials to achieve these results. However, catechol moieties can produce cytotoxic...

Published: 2/6/2020

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Click-active Janus particles

Scalable synthesis and functionalization of clickable Janus particles via seeded emulsion polymerizationProblem: Amphiphilic Janus particles are biphasic colloids, where each face has distinct chemical properties. Janus particles are useful for stabilizing multiphasic fluid mixtures, such as emulsions. Current methods make Janus particles rely on surface...

Published: 2/5/2020

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Novel soft material synthesis with liquid phase architecture and interfacially active particles

Solvent transfer-induced phase separation to tailor bijel fiber properties Problem: Bicontinuous interfacially jammed emulsions (bijels) are novel soft materials that consist of two interwoven pore networks, each containing a liquid that is immiscible with the other. The interface is stabilized by nanoparticles, providing high interfacial surface...

Published: 1/31/2020

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Automated micro-particle robotic swarm for the chemical and mechanical removal of biofilms

Wirelessly activated iron oxide nanoparticles (IONPs) forming micro-robots that chemically and mechanically remove biofilms with high precision and efficacy by magnetic control. Technology Overview: Biofilms are extremely difficult to eliminate. They are made up of bacterial cells encapsulated in a protective, sticky matrix that helps them to firmly...

Published: 8/1/2019

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Reconfigurable colloid-crystal materials for fine control over particle motion

A nematic liquid crystal system functionalized with colloidal microbots. Problem: Particle motion is of great interest for designing materials that depend on the particle behavior to exhibit a specific functionality. Elastic colloids are useful for the development of functional materials for particle manipulation. Nematic liquid crystals are fluid,...

Published: 4/16/2019

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