Koohee Han

Works (8)

Updated: April 25th, 2025 18:38

2024 article

Transparency-changing elastomers by controlling of the refractive index of liquid inclusions

Roh, S., Yeo, S., Bang, R. S., Han, K., Velikov, K. P., & Velev, O. D. (2024, July 9). Journal of Physics Condensed Matter, Vol. 36.

By: S. Roh n, S. Yeo n, R. Bang n, K. Han n, K. Velikov  n & O. Velev n 

author keywords: optical metamaterials; liquid inclusions; stimuli-responsive soft matter
topics (OpenAlex): Polydiacetylene-based materials and applications; Liquid Crystal Research Advancements; Electrowetting and Microfluidic Technologies
Sources: Web Of Science, NC State University Libraries
Added: July 30, 2024

2022 article

Controlled adhesion, membrane pinning and vesicle transport by Janus particles

Ewins, E. J., Han, K., Bharti, B., Robinson, T., Velev, O. D., & Dimova, R. (2022, January 1). Chemical Communications, Vol. 1.

By: E. Ewins *, K. Han n, B. Bharti n, T. Robinson *, O. Velev n  & R. Dimova *

MeSH headings : Biological Transport; Cell Adhesion; Cell Membrane / metabolism; Magnetic Fields; Multifunctional Nanoparticles / metabolism; Static Electricity
topics (OpenAlex): Pickering emulsions and particle stabilization; Micro and Nano Robotics; Polymer Surface Interaction Studies
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Sources: Web Of Science, NC State University Libraries
Added: February 28, 2022

2020 article

Active Reversible Swimming of Magnetically Assembled “Microscallops” in Non-Newtonian Fluids

Han, K., Shields, C. W., Bharti, B., Arratia, P. E., & Velev, O. D. (2020, February 3). Langmuir, Vol. 36, pp. 7148–7154.

By: K. Han n, C. Shields n, B. Bharti*, P. Arratia * & O. Velev n 

topics (OpenAlex): Micro and Nano Robotics; Pickering emulsions and particle stabilization; Modular Robots and Swarm Intelligence
TL;DR: The dynamics of "microscallops" made of asymmetric magnetic cubes, which are assembled and actuated using magnetic fields, are investigated and it is found that the direction of propulsion changes with the size and structure of these assemblies. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: July 20, 2020

2018 article

Propulsion and assembly of remotely powered p-type silicon microparticles

Ohiri, U., Han, K., Shields, C. W., Velev, O. D., & Jokerst, N. M. (2018, December 1). APL Materials, Vol. 6.

By: U. Ohiri *, K. Han n, C. Shields n, O. Velev n  & N. Jokerst *

topics (OpenAlex): Micro and Nano Robotics; Modular Robots and Swarm Intelligence; Microfluidic and Bio-sensing Technologies
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Sources: Web Of Science, NC State University Libraries
Added: January 14, 2019

2018 article

Reconfigurable engineered motile semiconductor microparticles

Ohiri, U., Shields, C. W., Han, K., Tyler, T., Velev, O. D., & Jokerst, N. (2018, April 27). Nature Communications, Vol. 9.

By: U. Ohiri *, C. Shields  n, K. Han n, T. Tyler*, O. Velev*  & N. Jokerst *

topics (OpenAlex): Micro and Nano Robotics; Modular Robots and Swarm Intelligence; Advanced Materials and Mechanics
TL;DR: Controlled, collective behavior in silicon microparticles, which are fabricated via conventional semiconductor methods are demonstrated, which may enable advanced applications that include remotely powered microsensors, artificial muscles, reconfigurable neural networks and computational systems. (via Semantic Scholar)
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7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2018 article

Supercolloidal Spinners: Complex Active Particles for Electrically Powered and Switchable Rotation

Shields, C. W., Han, K., Ma, F., Miloh, T., Yossifon, G., & Velev, O. D. (2018, July 5). Advanced Functional Materials, Vol. 28.

By: C. Shields  n, K. Han n, F. Ma n, T. Miloh *, G. Yossifon * & O. Velev n 

author keywords: electrically powered particles; engineered active particles; particle rotors; self-propelling particles; switchable rotation
topics (OpenAlex): Micro and Nano Robotics; Microfluidic and Bio-sensing Technologies; Pickering emulsions and particle stabilization
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7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: October 19, 2018

2017 article

Sequence-encoded colloidal origami and microbot assemblies from patchy magnetic cubes

Han, K., Shields, C. W., Diwakar, N. M., Bharti, B., López, G. P., & Velev, O. D. (2017, August 4). Science Advances, Vol. 3.

By: K. Han n, C. Shields *, N. Diwakar, B. Bharti n, G. López * & O. Velev n 

MeSH headings : Algorithms; Biomimetic Materials; Colloids / chemistry; Magnetic Fields; Models, Theoretical
topics (OpenAlex): Micro and Nano Robotics; Advanced Materials and Mechanics; Pickering emulsions and particle stabilization
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2016 article

Capillary Bridging as a Tool for Assembling Discrete Clusters of Patchy Particles

Bharti, B., Rutkowski, D., Han, K., Kumar, A. U., Hall, C. K., & Velev, O. D. (2016, October 24). Journal of the American Chemical Society, Vol. 138, pp. 14948–14953.

By: B. Bharti n, D. Rutkowski n, K. Han n, A. Kumar n, C. Hall n  & O. Velev n 

Contributors: B. Bharti n, D. Rutkowski n, K. Han n, A. Kumar n, C. Hall n  & O. Velev n 

topics (OpenAlex): Pickering emulsions and particle stabilization; Proteins in Food Systems; Surfactants and Colloidal Systems
TL;DR: This study demonstrates the ability of capillary bridging as a versatile tool to assemble thermoresponsive clusters and aggregates and can be extended further to assemble particles with nonspherical shapes and complex surface chemistries enabling the formation of sophisticated colloidal molecules. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

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