Might our DNA be triggered via AI.
Category: biotech/medical – Page 2,303
Dogs Can Sniff Out Coronavirus Infections, German Study Shows
Dogs with a few days of training are capable of identifying people infected with the coronavirus, according to a study by a German veterinary university.
Eight dogs from Germany’s armed forces were trained for only a week and were able to accurately identify the virus with a 94% success rate, according to a pilot project led by the University of Veterinary Medicine Hannover. Researchers challenged the dogs to sniff out Covid-19 in the saliva of more than 1,000 healthy and infected people.
Neurons are genetically programmed to have long lives
When our neurons—the principle cells of the brain—die, so do we.
Most neurons are created during embryonic development and have no “backup” after birth. Researchers have generally believed that their survival is determined nearly extrinsically, or by outside forces, such as the tissues and cells that neurons supply with nerve cells.
A research team led by Sika Zheng, a biomedical scientist at the University of California, Riverside, has challenged this notion and reports the continuous survival of neurons is also intrinsically programmed during development.
Machine learning reveals recipe for building artificial proteins
Proteins are essential to the life of cells, carrying out complex tasks and catalyzing chemical reactions. Scientists and engineers have long sought to harness this power by designing artificial proteins that can perform new tasks, like treat disease, capture carbon, or harvest energy, but many of the processes designed to create such proteins are slow and complex, with a high failure rate.
In a breakthrough that could have implications across the healthcare, agriculture, and energy sectors, a team lead by researchers in the Pritzker School of Molecular Engineering (PME) at the University of Chicago has developed an artificial intelligence-led process that uses big data to design new proteins.
By developing machine-learning models that can review protein information culled from genome databases, the researchers found relatively simple design rules for building artificial proteins. When the team constructed these artificial proteins in the lab, they found that they performed chemistries so well that they rivaled those found in nature.
Advanced Photon Source upgrade will transform the world of scientific research
From chemistry to materials science to COVID-19 research, the APS is one of the most productive X-ray light sources in the world. An upgrade will make it a global leader among the next generation of light sources, opening new frontiers in science.
In the almost 25 years since the Advanced Photon Source (APS), a U.S. Department of Energy (DOE) Office of Science User Facility, first opened at DOE’s Argonne National Laboratory, it has played an essential role in some of the most pivotal discoveries and advancements in science.
More than 5,000 researchers from around the world conduct experiments at the APS every year, and their work has, among many other notable successes, paved the way for better renewable batteries; resulted in the development of numerous new drugs; and helped to make vehicles more efficient, infrastructure materials stronger and electronics more powerful.
30,000 Volunteer to Get Infected by the Coronavirus | The State of Science
Although the coronavirus vaccine is progressing at a breakneck pace, some people feel that it is not progressing fast enough. As such, they have volunteered in the One Day Sooner movement to get deliberately infected with the coronavirus in order to speed up vaccine development.
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Biological laboratory scientist develops new imaging method
The extraordinary progress that has been achieved in the biomedical sciences in the modern era can be attributed in large measure to imaging technologies that have allowed scientists to observe the structure and function of tissues and organs in the context of their natural tissue environments in greater detail than possible with the naked eye.
But that ability has been limited to a handful of traditional animal model systems, including worms, flies and mice, either by tissue characteristics that make them amenable to imaging (such as a lack of natural pigmentation), or by the fact that the techniques used for preparing microscopic specimens in these models are not broadly applicable to a diverse range animal species.
The development of a new imaging technique by Prayag Murawala, Ph.D., of the MDI Biological Laboratory and his collaborators, however, enables unprecedented insight subcellular structures, tissues, organs and even whole organisms, and—because of its wide applicability—broadens the range of animal models that can be studied, processes that can be explored and biological questions that can be addressed.
Extinct Genetic Strains of Smallpox – World’s Deadliest Virus – Discovered in the Teeth of Viking Skeletons
Scientists have discovered extinct strains of smallpox in the teeth of Viking skeletons — proving for the first time that the killer disease plagued humanity for at least 1400 years.
Smallpox spread from person to person via infectious droplets, killed around a third of sufferers and left another third permanently scarred or blind. Around 300 million people died from it in the 20th century alone before it was officially eradicated in 1980 through a global vaccination effort — the first human disease to be wiped out.
Now an international team of scientists have sequenced the genomes of newly discovered strains of the virus after it was extracted from the teeth of Viking skeletons from sites across northern Europe. The findings have been published in Science today (July 23, 2020).