Experts say it’s too soon to deem Sein s transplant a total success which UNOS said is the first of its kind in the U.S. Sein has to take powerful drugs to prevent organ rejection, but doctors hope to try to wean her off in a few years. Less than three months after the operation, there haven t been complications or signs of rejection.
“If it was going to be a failure, we would know by now. It’s quite promising,” said Dr. Alec Patterson, a transplant surgeon at Washington University in St. Louis who was not involved in the operation. It’s a major step forward.”
Covid-19 reinfections still seem rare, but the U.S. lacks good data
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Reinfections from Covid-19 continue to seem rare, and are not responsible for the current, stubbornly high case counts in the United States, according to scientists and the latest findings.
At least, that’s what researchers are left to conclude. Experts say the country and individual states don’t have strong systems to determine how frequently people are getting reinfected another consequence of the nation’s limited surveillance network. They’re calling for better data collection and analysis around second cases of Covid-19.
The main factors driving coronavirus transmission in the United States are a mix of the old easing restrictions, people coming into close contact with others and the new, like the more transmissible variants, experts say. And Caitlin Rivers, an infectious disease epidemiologist at the Johns Hopkins Center for Health Security, said she thought that rein
R-Zinc 2.0 Tuesday, 5 October, 2021 to Wednesday, 6 October, 2021
EES SOUTH AMERICA: Monday, 18 October, 2021 to Wednesday, 20 October, 2021
Battcon: stationary battery conference Tuesday, 2 November, 2021 to Friday, 5 November, 2021
The Battery Show Europe Tuesday, 30 November, 2021 to Thursday, 2 December, 2021
The smarter E India Tuesday, 14 December, 2021 to Thursday, 16 December, 2021
Simple tools reveal high-fidelity truth in lithium-ion batteries
Wed, 04/07/2021 - 09:06 Paul Crompton
Researchers from Washington University in St. Louis have
determined how to build a safer battery
by studying a lithium-ion battery electrode particle by particle.
The team calculated the ‘true current density’ during movement of charges in lithium-ion battery electrodes in a 365 mAh/gcoin cell at any given spot via image analysis using a bench-top optical microscope.
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If someone asked you whether people of different genders should be treated equally or Black people deserved the same opportunities as white people, odds are you’d say yes.
But everyone, even the best intentioned among us, has unconscious biases: deeply ingrained, sometimes subtle prejudices against people who are in marginalized groups or embody a trait with which we don’t want to be associated. And last year brought these biases to the forefront in more ways than one, opening up conversations online, within workplaces, and in the streets.
Is it possible to shed these preconceptions? The answer lies in understanding our own brains.