Koohee Han

Works (8)

Updated: August 5th, 2024 08:19

2024 journal article

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

JOURNAL OF PHYSICS-CONDENSED MATTER, 36(42).

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
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 26). 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
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: February 28, 2022

2020 journal article

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

LANGMUIR, 36(25), 7148–7154.

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

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)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: July 20, 2020

2018 journal article

Propulsion and assembly of remotely powered p-type silicon microparticles

APL MATERIALS, 6(12).

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

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: January 14, 2019

2018 journal article

Reconfigurable engineered motile semiconductor microparticles

NATURE COMMUNICATIONS, 9.

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

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)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2018 journal article

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

ADVANCED FUNCTIONAL MATERIALS, 28(35).

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
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: October 19, 2018

2017 journal article

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

SCIENCE ADVANCES, 3(8).

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

MeSH headings : Algorithms; Biomimetic Materials; Colloids / chemistry; Magnetic Fields; Models, Theoretical
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2016 journal article

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

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 138(45), 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 

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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