Thermoelectric materials can be used to turn waste heat into electricity or to provide refrigeration without any liquid coolants, and a research team from the University of Michigan has found a way to nearly double the efficiency ...
Nanomaterials
May 5, 2013
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(Phys.org) —A Rice University laboratory's cagey strategy turns negatively charged carbon nanotubes into liquid crystals that could enhance the creation of fibers and films.
Nanomaterials
May 3, 2013
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When two solutions of oppositely charged polymers (polyelectrolytes) are mixed, phase separation occurs and leads to the formation of a polymer-rich phase and a supernatant phase. The precise distribution of all components, ...
Polymers
Jun 17, 2024
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112
Hepatocellular carcinoma is the most common cancer to strike the liver. More than 500,000 people worldwide, concentrated in sub-Saharan Africa and Southeast Asia, are diagnosed with it yearly. Most of those afflicted die ...
Bio & Medicine
Jun 22, 2011
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Polymer films that undergo nanoscale structural transformations in response to external stimuli are key components of devices like biosensors and artificial membranes. One of the best materials for manufacturing such responsive ...
Polymers
Feb 2, 2012
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In a discovery with wide-ranging implications, researchers at the University of Massachusetts Amherst recently announced in the Proceedings of the National Academy of Sciences that uniformly charged macromolecules—or molecules, ...
Biochemistry
Sep 26, 2022
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540
If the bristles of a brush abruptly collapsed into wads of noodles, the brush would, of course, become useless. When it's a micron-scale brush called a "polyelectrolyte brush," that collapse can put a promising experimental ...
Materials Science
Dec 12, 2017
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83
(Phys.org) -- Polymer fibers play a central role in the production of biomaterials for tissue engineering applications. Generated from self-assembling polyelectrolytes, these materials provide matrices for cells to grow and ...
Materials Science
Jul 4, 2012
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It's not easy to drive long molecule chains - such as DNA - through a "nanopore" (a pore which is just few millionths of a millimeter wide) because they tend to tangle up. A simulation carried out by an international group ...
Bio & Medicine
Nov 8, 2012
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0
In a presentation today (Aug. 19) to the American Chemical Society meeting, Ankit Agarwal, a postdoctoral researcher at the University of Wisconsin-Madison, described an experimental approach to wound healing that could take ...
Biochemistry
Aug 19, 2009
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