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Nuevos músculos artificiales a base de nanotubos de carbono

Nuevos músculos artificiales a base de nanotubos de carbono
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United States , University Of Texas , Ray Baughman , New Artificial , South Koreans And China , ஒன்றுபட்டது மாநிலங்களில் , பல்கலைக்கழகம் ஆஃப் டெக்சாஸ் , ராய் பாக்மேன் , புதியது செயற்கை ,

Researchers create powerful unipolar carbon nanotube muscles


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IMAGE: In a study posted online Jan. 28 in the journal Science, University of Texas at Dallas researchers and their colleagues describe creating powerful, unipolar electrochemical yarn muscles that contract more.
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Credit: University of Texas at Dallas
For more than 15 years, researchers at The University of Texas at Dallas and their collaborators in the U.S., Australia, South Korea and China have fabricated artificial muscles by twisting and coiling carbon nanotube or polymer yarns. When thermally powered, these muscles actuate by contracting their length when heated and returning to their initial length when cooled. Such thermally driven artificial muscles, however, have limitations. ....

Soult Ukpyolsi , South Korea , United States , Roberta Welch , Shaoli Fang , Jinsong Leng , Hetao Chu , Kyeongjae Cho , Patrick Conlin , Ray Baughman , Kevin Alberto , Steven Nielsen , Seoul National University , Ut Dallas Nanotech Institute , Alang Macdiarmid Nanotech Institute , Nanotech Institute , Changzhou University , Jianning Ding Of Jiangsu University , Deakin University , Defense Advanced Research Projects Agency Short , University Of Texas At Dallas , University Of Wollongong , Sichuan University , Hanyang University , Welch Foundation , Harbin Institute Of Technology ,

GPS, thermal sensors help ensure COVID vaccine stays at right temperature, but some experts urge even more safeguards during global rollout


A Pfizer representative said the drug developer will use GPS-enabled thermal sensors in every container of vaccines to track the location and temperature of each vaccine shipment.
“These GPS-enabled devices will allow Pfizer to proactively prevent unwanted deviations and act before they happen,” said Francesca Marzullo, manager of Pfizer Global Supply Communications.
But the sensors aren’t on each individual vial.
“These electronic temperature sensors are typically used for large shipments of vaccines that are going from the manufacturer to the places where these vaccines are locally distributed,” Baughman said. “They are not used on individual vaccine vials.”
Threat to vaccines ....

United States , Morris Plains , New Jersey , Roberta Welch , James Cuttrell , Francesca Marzullo , Berkner Hall , Jon Albrecht , Johnr Allegra , Ray Baughman , Ted Prusik , Lyndam Gonz , Pfizer Global Supply Communications , Ut Southwestern Medical Center , University Of Texas At Dallas , Methodist Dallas Medical Center , World Health Organization , Pfizer Global Supply , Tom Fox , Staff Photographer , Allied Corporation , Zebra Technologies , Operation Warp Speed , Medical Center , Chief Pharmacy Officer Jon Albrecht , ஒன்றுபட்டது மாநிலங்களில் ,