Hierarchical assemblies of superparamagnetic colloids in time-varying magnetic fields

A Spatafora-Salazar, DM Lobmeyer, LHP Cunha… - Soft Matter, 2021 - pubs.rsc.org
Magnetically-guided colloidal assembly has proven to be a versatile method for building
hierarchical particle assemblies. This review describes the dipolar interactions that govern …

Fast and programmable locomotion of hydrogel-metal hybrids under light and magnetic fields

C Li, GC Lau, H Yuan, A Aggarwal, VL Dominguez… - Science robotics, 2020 - science.org
The design of soft matter in which internal fuels or an external energy input can generate
locomotion and shape transformations observed in living organisms is a key challenge …

Reconfigurable microbots folded from simple colloidal chains

T Yang, B Sprinkle, Y Guo, J Qian… - Proceedings of the …, 2020 - National Acad Sciences
To overcome the reversible nature of low-Reynolds-number flow, a variety of biomimetic
microrobotic propulsion schemes and devices capable of rapid transport have been …

Characterisation of the magnetic response of nanoscale magnetic filaments in applied fields

D Mostarac, PA Sánchez, S Kantorovich - Nanoscale, 2020 - pubs.rsc.org
Incorporating magnetic nanoparticles (MNPs) within permanently crosslinked polymer-like
structures opens up the possibility for synthesis of complex, highly magneto-responsive …

Nanopolymers for magnetic applications: how to choose the architecture?

D Mostarac, Y Xiong, O Gang, S Kantorovich - Nanoscale, 2022 - pubs.rsc.org
Directional assembly of nanoscale objects results in morphologies that can broadly be
classified as supra-molecular nanopolymers. Such morphologies, given a functional choice …

Ferromagnetic filament shapes in a rotating field reveal their magnetoelastic properties

AP Stikuts, A Cēbers, G Kitenbergs - Journal of Magnetism and Magnetic …, 2023 - Elsevier
Flexible ferromagnetic filaments can be used to control the flow on the micro-scale with
external magnetic field. To accurately model them, it is crucial to know their parameters such …

Actuation of magnetoelastic membranes in precessing magnetic fields

CA Brisbois, M Tasinkevych… - Proceedings of the …, 2019 - National Acad Sciences
Superparamagnetic nanoparticles incorporated into elastic media offer the possibility of
creating actuators driven by external fields in a multitude of environments. Here …

Rheology of a nanopolymer synthesized through directional assembly of DNA nanochambers, for magnetic applications

D Mostarac, SS Kantorovich - Macromolecules, 2022 - ACS Publications
We present a numerical study of the effects of monomer shape and magnetic nature of
colloids on the behavior of a single magnetic filament subjected to the simultaneous action …

Paramagnetic filaments in a fast precessing field: Planar versus helical conformations

P Vázquez-Montejo, JM Dempster, MO de la Cruz - Physical Review Materials, 2017 - APS
We examine analytically equilibrium conformations of elastic chains of paramagnetic beads
in the presence of a precessing magnetic field. Conformations of these filaments are …

Locomotion of magnetoelastic membranes in viscous fluids

CA Brisbois, MO De La Cruz - Physical Review Research, 2022 - APS
The development of multifunctional and biocompatible microrobots for biomedical
applications relies on achieving controllable locomotion. Here we describe the conditions …