Results 21 to 30 of about 14,081 (301)

Magnetically Actuated Colloidal Microswimmers

The Journal of Physical Chemistry B, 2008
To achieve permanent propulsion of micro-objects in confined fluids is an elusive but challenging goal that will foster future development of microfluidics and biotechnology. Recent attempts based on a wide variety of strategies are still far from being able to design simple, versatile, and fully controllable swimming engines on the microscale. Here we
Tierno, P., Golestanian, R. ; https://orcid.org/0000-0002-3149-4002, Pagonabarraga, I., Sagués, F.   +3 more
openaire   +4 more sources

Safety Implications of High-Field MRI: Actuation of Endogenous Magnetic Iron Oxides in the Human Body [PDF]

, 2009
Background: Magnetic Resonance Imaging scanners have become ubiquitous in hospitals and high-field systems (greater than 3 Tesla) are becoming increasingly common.
Garcia-Prieto, A, Ana Garcia-Prieto, Jon Dobson, Dobson Jon, Bowtell, R, Pankhurst Quentin, Dobson, J, Richard Bowtell, Quentin Pankhurst, Pankhurst, Q, Bowtell Richard, Garcia-Prieto Ana   +11 more
core   +1 more source

Light- and magnetically actuated FePt microswimmers [PDF]

The European Physical Journal E, 2021
AbstractExternally controlled microswimmers offer prospects for transport in biological research and medical applications. This requires biocompatibility of the swimmers and the possibility to tailor their propulsion mechanisms to the respective low Reynolds number environment.
Vincent Mauricio Kadiri, Jan-Philipp Günther, Sai Nikhilesh Kottapalli, Rahul Goyal, Florian Peter, Mariana Alarcón-Correa, Kwanghyo Son, Hannah-Noa Barad, Michael Börsch, Peer Fischer   +9 more
openaire   +6 more sources

Coaxially printed magnetic mechanical electrical hybrid structures with actuation and sensing functionalities

Nature Communications, 2023
Soft electromagnetic devices have great potential in soft robotics and biomedical applications. However, existing soft-magneto-electrical devices would have limited hybrid functions and suffer from damaging stress concentrations, delamination or material
Yuanxi Zhang, Chengfeng Pan, Pengfei Liu, Lelun Peng, Zhouming Liu, Yuanyuan Li, Qingyuan Wang, Tong Wu, Zhe Li, Carmel Majidi, Lelun Jiang   +10 more
doaj   +1 more source

Navigation of mini swimmers in channel networks with magnetic fields [PDF]

, 2013
Controlled navigation of swimming micro robots inside fluid filled channels is necessary for applications in living tissues and vessels. Hydrodynamic behavior inside channels and interaction with channel walls need to be understood well for successful ...
Ayse Ecem Bezer, Temel, Fatma Zeynep, Yeşilyurt, Serhat, Fatma Zeynep Temel, Serhat Yesilyurt, Bezer, Ayşe Ecem   +5 more
core   +1 more source

Actuation methods for applications in MR environments [PDF]

, 2006
: The choice of an adequate actuation method is a central issue in the devel-opment of any mechatronic device and strongly determines the dynamic performances of the system.
Roger Gassert, Dominique Chapuis, Dovat, Ludovic, Gassert, Roger, Ludovic Dovat, Chapuis, Dominique, Etienne Burdet, Yamamoto, Akio, Akio Yamamoto, Hannes Bleuler, Bleuler, Hannes, Burdet, Etienne   +11 more
core   +1 more source

Magnetically Actuated Liquid Crystals

Nano Letters, 2014
Ferrimagnetic inorganic nanorods have been used as building blocks to construct liquid crystals with optical properties that can be instantly and reversibly controlled by manipulating the nanorod orientation using considerably weak external magnetic fields (1 mT).
Mingsheng, Wang, Le, He, Serkan, Zorba, Yadong, Yin   +3 more
openaire   +2 more sources

Giving Penetrable Remote-Control Ability to Thermoresponsive Fibrous Composite Actuator with Fast Response Induced by Alternative Magnetic Field

Nanomaterials, 2021
An alternative magnetic field (AMF)-induced electrospun fibrous thermoresponsive composite actuator showing penetrable remote-control ability with fast response is shown here for the first time.
Li Liu, Wenjing Song, Shaohua Jiang, Gaigai Duan, Xiaohong Qin   +4 more
doaj   +1 more source

Towards Functional Mobile Microrobotic Systems

Robotics, 2019
This paper presents our work over the last decade in developing functional microrobotic systems, which include wireless actuation of microrobots to traverse complex surfaces, addition of sensing capabilities, and independent actuation of swarms of ...
Georges Adam, Sagar Chowdhury, Maria Guix, Benjamin V. Johnson, Chenghao Bi, David Cappelleri   +5 more
doaj   +1 more source

Modelling of High Redundancy Actuation Utilising Multiple Moving Coil Actuators [PDF]

, 2008
This paper presents the modelling of a moving coil actuator for use as an element in a High Redundancy Actuator (HRA). A single element model is derived from first principles and verified using experimental data.
Thomas Steffen (1252947), Dixon, R., Pearson, John, T. Steffen, J. Davies, R. Dixon, Roger Goodall (1250520), Goodall, R. M., Dixon, Roger; id_orcid, Dixon, Roger, Jessica Davies (3927101), Roger Dixon (1259193), Argyrios C. Zolotas (7122554), J. Pearson, R.M. Goodall, A.C. Zolotas, Steffen, Thomas, John T. Pearson (7121711), Goodall, Roger M., Davies, Jessica, Zolotas, Argyrios   +20 more
core   +1 more source