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Updated: Mar 24, 2026

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Magnetic Tweezers for the Measurement of Twist and Torque
Published on: May 19, 2014
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Magnetofluidic Tweezing of Nonmagnetic Colloids
Jaakko V I Timonen1, Ahmet F Demirörs2, Bartosz A Grzybowski3
1Harvard John A. Paulson School of Engineeringand Applied Sciences, Harvard University, Cambridge, MA, 02138, USA.
Advanced Materials (Deerfield Beach, Fla.)
|March 19, 2016
Abstract:
Magnetofluidic tweezing based on negative magnetophoresis and microfabricated core-shell magnetic microtips allows controlled on-demand assembly of colloids and microparticles into various static and dynamic structures such as colloidal crystals (as shown for 3.2 μm silica particles).

