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News at a glance: New U.S. coronavirus research, lab gear ’s carbon cost, and a repurposed accelerator
MATERIALS SCIENCE
Storied accelerator to test chips
The world’s first superconducting cyclotron will receive a new lease on life testing next-generation microchips, Michigan State University’s Facility for Rare Isotope Beams (FRIB) announced last week. From 1982 to 2020, the K-500 cyclotron produced beams of atomic nuclei ranging from hydrogen to uranium for experiments in nuclear physics, relying on superconducting magnets to confine the particles. Last year, the cyclotron was replaced by FRIB’s new, more powerful, $730 million linear accelerator. Typically, old particle accelerators are demolished or...
Source: Science of Aging Knowledge Environment - April 13, 2023 Category: Geriatrics Source Type: research
Scientists say eye-disease drug may also help fight COVID
FINDINGSAn interdisciplinary research team led by UCLA found that a drug already approved by the Food and Drug Administration for eye disease, verteporfin, stopped the replication of SARS-CoV-2, the virus that causes COVID-19. Their laboratory study identified the Hippo signaling pathway as a potential target for therapies against the coronavirus.BACKGROUNDMany important human biological processes are controlled by complicated chain reactions called signaling pathways, in which certain proteins act as messenger molecules that promote or block the signals of other proteins.The lead researchers were investigating the Hippo...
Source: UCLA Newsroom: Health Sciences - November 8, 2022 Category: Universities & Medical Training Source Type: news
News at a glance: New gene therapy, Europe ’s drought, and a black hole’s photon ring
ARCHAEOLOGY
Drought exposes ‘Spanish Stonehenge’ for study
Scientists are rushing to examine a 7000-year-old stone circle in central Spain that had been drowned by a reservoir for decades and was uncovered after the drought plaguing Europe lowered water levels. Nicknamed the “Spanish Stonehenge”—although 2000 years older than the U.K. stone circle—the Dolmen of Guadalperal (above) was described by archaeologists in the 1920s. The approximately 100 standing stones, up to 1.8 meters tall and arranged around an oval open space, were submerged in the Valdecañas reservoir after the construction of a ...
Source: Science of Aging Knowledge Environment - August 25, 2022 Category: Geriatrics Source Type: research
News at a glance: Debate over classifying research, giant water lilies, and new hummingbird feather colors
ECOLOGY
Scientists find new hummingbird colors
The plumage of hummingbirds has more color diversity than the feathers of all other birds combined, a recent study finds. Researchers from Yale University collected feathers from specimens of 114 hummingbird species and, using a spectrometer, documented the wavelengths of light they reflected. These wavelengths were then compared with those found in a previous study of 111 other bird species, including penguins and parrots. The researchers were surprised to find new colors in the hummers, which widened the known avian color gamut by 56% and included rarely seen ...
Source: ScienceNOW - July 6, 2022 Category: Science Source Type: news
Repurposing of Doxycycline to Hinder the Viral Replication of SARS-CoV-2: From in silico to in vitro Validation
Since the rapid spread of coronavirus disease (COVID-19) became a global pandemic, healthcare ministries around the world have recommended specific control methods such as quarantining infected peoples, identifying infections, wearing mask, and practicing hand hygiene. Since no effective treatment for COVID-19 has yet been discovered, a variety of drugs approved by Food and Drug Administration (FDA) have been suggested for repurposing strategy. In the current study, we predicted that doxycycline could interact with the nucleotide triphosphate (NTP) entry channel, and is therefore expected to hinder the viral replication of...
Source: Frontiers in Microbiology - May 4, 2022 Category: Microbiology Source Type: research
FDA Authorizes Booster Shot of COVID-19 Vaccine for People With Weakened Immune Systems
WASHINGTON (AP) — U.S. regulators say transplant recipients and others with severely weakened immune systems can get an extra dose of the Pfizer or Moderna COVID-19 vaccines to better protect them as the delta variant continues to surge.
The late-night announcement Thursday by the Food and Drug Administration applies to several million Americans who are especially vulnerable because of organ transplants, certain cancers or other disorders. Several other countries, including France and Israel, have similar recommendations.
It’s harder for vaccines to rev up an immune system suppressed by certain medications and ...
Source: TIME: Health - August 13, 2021 Category: Consumer Health News Authors: AP / Lauran Neergaard and Matthew Perrone Tags: Uncategorized COVID-19 Source Type: news
Why Countries Around the World Are Suspending Use of AstraZeneca ’s COVID-19 Vaccine
It’s the last thing public health officials want to see in the midst of a pandemic: more than two months after pharmaceutical giant AstraZeneca and Oxford University scientists released their COVID-19 vaccine, countries in Europe and elsewhere are pausing its use amid disconcerting reports that a small number of recipients have experienced blood clots, some of them fatal.
The European Medicines Agency, which oversees drugs and vaccines in Europe, is expected to issue a guidance on March 18 about whether the side effects were related to the vaccine after reviewing the reports; in the meantime, it says the benefits of ...
Source: TIME: Health - March 16, 2021 Category: Consumer Health News Authors: Alice Park Tags: Uncategorized COVID-19 Source Type: news
The U.S. COVID-19 Outbreak Is Worse Than It ’s Ever Been. Why Aren’t We Acting Like It?
Nothing about the current COVID-19 explosion should come as a surprise. As the virus spread throughout summer and fall, experts repeatedly warned winter would be worse.
They cautioned that a cold-weather return to indoor socializing, particularly around the holidays, could turn a steady burn into a wildfire. Throw in a lame-duck President, wildly differing approaches by the states and a pervasive sense of quarantine fatigue, and the wildfire could easily become an inferno.
So it has. The U.S. is now locked in a deadly cycle of setting, then shattering, records for new cases and hospitalizations. On Nov. 13, a staggering 17...
Source: TIME: Health - November 19, 2020 Category: Consumer Health News Authors: Jamie Ducharme Tags: Uncategorized Cover Story COVID-19 feature Magazine Source Type: news
Pfizer and BioNTech Will Seek FDA Authorization for COVID-19 Vaccine ‘Within Days’
Pfizer and BioNTech expect to ask for emergency permission within a matter of days to start distributing their COVID-19 vaccine, the companies said Wednesday—as they released a trove of new data showing the vaccine is about 95% effective.
A request to the Food and Drug Administration (FDA), which evaluates all new medications brought to market, would be a dramatic milestone. Public health experts view vaccination against COVID-19 as an important part of achieving herd immunity protection to slow and eventually control the pandemic.
It would also be an important scientific milestone. If granted, the Pfizer and BioNTec...
Source: TIME: Health - November 18, 2020 Category: Consumer Health News Authors: Alice Park Tags: Uncategorized COVID-19 News overnight Source Type: news
Pfizer Will Seek FDA Authorization for COVID-19 Vaccine ‘Within Days’
Pfizer and BioNTech expect to ask for emergency permission within a matter of days to start distributing their COVID-19 vaccine, the companies said Wednesday—as they released a trove of new data showing the vaccine is about 95% effective.
A request to the Food and Drug Administration (FDA), which evaluates all new medications brought to market, would be a dramatic milestone. Public health experts view vaccination against COVID-19 as an important part of achieving herd immunity protection to slow and eventually control the pandemic.
It would also be an important scientific milestone. If granted, the Pfizer and BioNTec...
Source: TIME: Health - November 18, 2020 Category: Consumer Health News Authors: Alice Park Tags: Uncategorized COVID-19 News overnight Source Type: news
The Great Vaccine Race: Inside the Unprecedented Scramble to Immunize the World Against COVID-19
The cleverest of enemies thrive on surprise attacks. Viruses—and coronaviruses in particular—know this well. Remaining hidden in animal hosts for decades, they mutate steadily, sometimes serendipitously morphing into more effective and efficient infectious agents. When a strain with just the right combination of genetic codes that spell trouble for people makes the leap from animal to human, the ambush begins.
Such was the case with SARS-CoV-2, the coronavirus behind COVID-19, and the attack was mostly silent and insidious at first. Many people infected with SARS-CoV-2 remained oblivious as they served as the v...
Source: TIME: Health - September 10, 2020 Category: Consumer Health News Authors: Alice Park Tags: Uncategorized COVID-19 Magazine Source Type: news
WHO Resumes Study of Hydroxychloroquine for Treating COVID-19
On June 3, the World Health Organization (WHO) resumed a study looking into whether the malaria drug hydroxychloroquine could be effective in treating COVID-19.
Last week, the WHO temporarily stopped people from enrolling in the trial, part of a larger study called Solidarity that is investigating a number of different potential coronavirus therapies, over concerns about the hydroxychloroquine’s adverse effects on the heart. That followed the publication of a Lancet study on May 22, involving more than 96,000 people, which found that the drug did not improve survival among patients hospitalized with COVID-19, and tha...
Source: TIME: Health - June 3, 2020 Category: Consumer Health News Authors: Alice Park Tags: Uncategorized COVID-19 Source Type: news
Johnson & Johnson Ends Talc-Based Baby Powder Sales in US, Canada
Johnson & Johnson announced Tuesday that it will stop selling its iconic, talc-based baby powder, the target of thousands of lawsuits claiming that its talc was contaminated with asbestos, which led to cancers such as mesothelioma and ovarian cancer.
The company said the stoppage is only in the United States and Canada, citing a decline in consumer demand and “misinformation” about the safety of the product.
“Demand for talc-based Johnson’s Baby Powder in North America has been declining due in large part to changes in consumer habits and fueled by misinformation around the safety of the product and a constant ...
Source: Asbestos and Mesothelioma News - May 20, 2020 Category: Environmental Health Authors: Fran Mannino Source Type: news
Hydroxychloroquine Fails to Help Coronavirus Patients in Largest Study of the Drug to Date
In a study published in the New England Journal of Medicine, scientists led by a team at Columbia University found that people infected with COVID-19 taking hydroxychloroquine do not fare better than those not receiving the drug.
The study published Thursday is the largest to date to investigate the drug, which is approved by the U.S. Food and Drug Administration to treat malaria and certain autoimmune disorders, as a treatment for COVID-19. Dr. Neil Schluger, chief of the division of pulmonary, allergy and critical care medicine at Columbia, and his team studied more than 1,300 patients admitted to New York-Presbyterian H...
Source: TIME: Health - May 7, 2020 Category: Consumer Health News Authors: Alice Park Tags: Uncategorized COVID-19 Source Type: news
President Trump Called Hydroxychloroquine a ‘Game Changer,’ But Experts Warn Against Self-Medicating With the Drug. Here’s What You Need to Know
After President Trump, late last week, expressed great confidence in the promise of a new COVID-19 therapy that combines two existing prescription medications, supplies of these two drugs rapidly began disappearing from pharmacy shelves. The U.S. Food and Drug Administration allowed an Indian company previously restricted from importing drug products into the US to now start manufacturing one of the drugs. And U.S. plants began gearing up to produce enough to meet the surge in demand.
But in those few days, a few people who began self medicating with the drugs in an effort to prevent COVID-19 have died, and others have bee...
Source: TIME: Health - March 24, 2020 Category: Consumer Health News Authors: Alice Park Tags: Uncategorized COVID-19 Source Type: news
