Magnetics Business & Technology - November/December 2019 - 19
RESEARCH & DEVELOPMENT
becomes permanently magnetic - just like a solid, Russell and
Liu explained.
The researchers also found that the droplet's magnetic properties were preserved even if they divided a droplet into smaller,
thinner droplets about the size of a human hair, added Russell.
out even more, Russell noted, is that they change shape to adapt
to their surroundings. They morph from a sphere to a cylinder to
a pancake, or a tube as thin as a strand of hair, or even to the
shape of an octopus - all without losing their magnetic properties.
They can also be tuned to switch between a magnetic mode and
a nonmagnetic mode. And when their magnetic mode is switched
on, their movements can be remotely controlled as directed by
an external magnet, Russell added.
Liu and Russell plan to continue research at Berkeley Lab and
other national labs to develop even more complex 3D-printed
magnetic liquid structures, such as a liquid-printed artificial cell,
or miniature robotics that move like a tiny propeller for noninvasive yet targeted delivery of drug therapies to diseased cells.
"What began as a curious observation ended up opening a new
area of science," said Liu. "It's something all young researchers dream of, and I was lucky to have the chance to work with a
great group of scientists supported by Berkeley Lab's world-class
user facilities to make it a reality," said Liu.
To make the iron-oxide nanoparticles permanently magnetic, the
scientists placed the droplets by a magnetic coil in solution. As
expected, the magnetic coil pulled the iron-oxide nanoparticles
toward it.
Among the many amazing qualities of the droplets, what stands
Also contributing to the study were researchers from UC Santa
Cruz, UC Berkeley, the WPI-Advanced Institute for Materials Research (WPI-AIMR) at Tohoku University, and Beijing University
of Chemical Technology.
The full article is available at https://science.sciencemag.org/
content/365/6450/264
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November/December 2019 * Magnetics Business & Technology
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https://science.sciencemag.org/content/365/6450/264
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Magnetics Business & Technology - November/December 2019
Table of Contents for the Digital Edition of Magnetics Business & Technology - November/December 2019
Magnetics Business & Technology - November/Decmber 2019
Contents
Editor’s Choice/ Features
Stromag Designs New Fail-Safe Electromagnetic Brakes for Ships, Harbors and Other Industrial Applications
Solving Eddy Current Non-Destructive Testing Benchmark Problem with Integrated Engineering Software’s Program Faraday
Scientists Print Magnetic Liquid Droplets to Create a Revolutionary New Material at Berkeley National Lab
Research & Development
Product News
Industry News
Marketplace/ Advertising Index
New Survey Technique for Interstellar Magnetic Fields Developed by University of Wisconsin
Visions
Magnetics Business & Technology - November/December 2019 - Magnetics Business & Technology - November/Decmber 2019
Magnetics Business & Technology - November/December 2019 - Cover2
Magnetics Business & Technology - November/December 2019 - Contents
Magnetics Business & Technology - November/December 2019 - Editor’s Choice/ Features
Magnetics Business & Technology - November/December 2019 - 5
Magnetics Business & Technology - November/December 2019 - Stromag Designs New Fail-Safe Electromagnetic Brakes for Ships, Harbors and Other Industrial Applications
Magnetics Business & Technology - November/December 2019 - 7
Magnetics Business & Technology - November/December 2019 - 8
Magnetics Business & Technology - November/December 2019 - 9
Magnetics Business & Technology - November/December 2019 - Solving Eddy Current Non-Destructive Testing Benchmark Problem with Integrated Engineering Software’s Program Faraday
Magnetics Business & Technology - November/December 2019 - 11
Magnetics Business & Technology - November/December 2019 - 12
Magnetics Business & Technology - November/December 2019 - 13
Magnetics Business & Technology - November/December 2019 - 14
Magnetics Business & Technology - November/December 2019 - 15
Magnetics Business & Technology - November/December 2019 - 16
Magnetics Business & Technology - November/December 2019 - 17
Magnetics Business & Technology - November/December 2019 - Research & Development
Magnetics Business & Technology - November/December 2019 - 19
Magnetics Business & Technology - November/December 2019 - Product News
Magnetics Business & Technology - November/December 2019 - 21
Magnetics Business & Technology - November/December 2019 - 22
Magnetics Business & Technology - November/December 2019 - 23
Magnetics Business & Technology - November/December 2019 - Industry News
Magnetics Business & Technology - November/December 2019 - 25
Magnetics Business & Technology - November/December 2019 - 26
Magnetics Business & Technology - November/December 2019 - 27
Magnetics Business & Technology - November/December 2019 - Marketplace/ Advertising Index
Magnetics Business & Technology - November/December 2019 - 29
Magnetics Business & Technology - November/December 2019 - Visions
Magnetics Business & Technology - November/December 2019 - Cover3
Magnetics Business & Technology - November/December 2019 - Cover4
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