Researchers fabricate high performance Cu(OH)2 supercapacitor electrodes.
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Tufts University engineers have created a new format of solids made from silk protein that can be preprogrammed with biological, chemical, or optical functions, such as mechanical components that change color with strain, deliver drugs, or respond to light, according to a paper published online this week in Proceedings of the National Academy of Sciences (PNAS).
Using a water-based fabrication method based on protein self-assembly, the researchers generated three-dimensional bulk materials out of silk fibroin, the protein that gives silk its durability. Then they manipulated the bulk materials with water-soluble molecules to create multiple solid forms, from the nano- to the micro-scale, that have embedded, pre-designed functions.
For example, the researchers created a surgical pin that changes color as it nears its mechanical limits and is about to fail, functional screws that can be heated on demand in response to infrared light, and a biocompatible component that enables the sustained release of bioactive agents, such as enzymes.
KITCHENER — Just a few days are left to see Themuseum’s quantum exhibit before it packs up to tour the country.
Quantum: The Exhibition is at the downtown Kitchener museum until Jan. 1.
“It’s a really cool exhibit,” said David Marskell, Themuseum’s chief executive officer.
“It allows people to take a peek into the future.”
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Well before the family came in to the Batson Children’s Specialty Clinic in Jackson, Mississippi, they knew something was wrong. Their child was born with multiple birth defects, and didn’t look like any of its kin. A couple of tests for genetic syndromes came back negative, but Omar Abdul-Rahman, Chief of Medical Genetics at the University of Mississippi, had a strong hunch that the child had Mowat-Wilson syndrome, a rare disease associated with challenging life-long symptoms like speech impediments and seizures.
So he pulled out one of his most prized physicians’ tools: his cell phone.
Using an app called Face2Gene, Abdul-Rahman snapped a quick photo of the child’s face. Within a matter of seconds, the app generated a list of potential diagnoses — and corroborated his hunch. “Sure enough, Mowat-Wilson syndrome came up on the list,” Abdul-Rahman recalls.
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Scientists may have found proof that E.T. really is phoning home — in the form of powerful radio signals, which have been detected repeatedly in the same exact location in space.
Astronomy experts with the Green Bank Telescope in West Virginia and the Arecibo Observatory in Puerto Rico have discovered six new fast radio bursts (FRBs) emanating from a region far beyond our Milky Way galaxy, according to a recent report in the Astrophysical Journal.
The discovery — made in the direction of the constellation Auriga — is significant considering the fact that at least 17 FRBs have now been detected in this area. It is also the only known instance in which these signals have been found twice in the same location in space.
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