Tech Briefs Magazine - May 2021 - 45
Illustration of a prospective biocompatible interface shows that hydrogels (green tubing), which can be generated by an electron or X-ray beam
3D printing process, act as artificial synapses or junctions connecting
neurons (brown) to electrodes (yellow). (Credit: A. Strelcov/NIST)
printing approach to create gels with structures as small as 100
nanometers or about 1,000 times thinner than a human hair. By
refining their method, the researchers expect to imprint structures on the gels as small as 50 nm, the size of a small virus.
Some future structures made with this approach could
include flexible injectable electrodes to monitor brain activity,
biosensors for virus detection, soft microrobots, and structures
that can emulate and interact with living cells and provide a
medium for their growth.
For more information, contact Andrei Kolmakov at andrei.
kolmakov@nist.gov; 301-975-4724.
Rapid 3D Printing of
Biomedical Parts
Free Info at http://info.hotims.com/79413-733
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WHAT'S
POSSIBLE
The structures' small size and porosity make
them well-suited for building components
such as replacement joints.
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& Indium Alloys
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3D printing technique was developed that creates cellular
metallic materials by smashing together powder particles at
supersonic speed. This form of technology, known as cold spray,
results in mechanically robust, porous structures that are 40%
stronger than similar materials made with conventional manufacturing processes. The structures' small size and porosity make
them particularly well-suited for building biomedical components like replacement joints.
Instead of using only heat as the input or the driving force
for bonding, the researchers used plastic deformation to bond
the powder particles together.
Additive manufacturing is not without its challenges - foremost among them is that metallic materials need to be heated at
Tech Briefs, May 2021
drose@indium.com
www.indium.com/applications/NTBI
©2021 Indium Corporation
Free Info at http://info.hotims.com/79413-734
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Tech Briefs Magazine - May 2021
Table of Contents for the Digital Edition of Tech Briefs Magazine - May 2021
Tech Briefs Magazine - May 2021 - Intro
Tech Briefs Magazine - May 2021 - Sponsor
Tech Briefs Magazine - May 2021 - Cov1
Tech Briefs Magazine - May 2021 - Cov2
Tech Briefs Magazine - May 2021 - 1
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Tech Briefs Magazine - May 2021 - Cov3
Tech Briefs Magazine - May 2021 - Cov4
Tech Briefs Magazine - May 2021 - PIT-Cov1
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