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Total 97 results found since Jan 2013.
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
What ’s next for COVID-19 vaccines? Scientists and regulators chart a course amid uncertainty
Just over 2 years ago, the first COVID-19 vaccines arrived—and a roller coaster ride of hope and science began. It soon became clear that although the vaccines protected against severe disease, their ability to fend off infection was limited and faded fast. Meanwhile, SARS-CoV-2 began to evolve rapidly to elude immunity. By now, many people have had four or five vaccine doses, including an updated booster tailored to Omicron strains that was introduced last fall.
Now, regulators and scientists are debating the near-term future. How often will we need booster doses and who should receive them? Should vaccines continu...
Source: Science of Aging Knowledge Environment - January 25, 2023 Category: Geriatrics Source Type: research
News at a glance: Earth ’s top geological sites, cameras on sharks, and China’s space station
NATURAL HISTORY
Science society lists Earth’s top ‘geoheritage’ sites
The International Union of Geological Sciences last week marked its 60th anniversary by announcing
a list of 100 “geoheritage” sites that have substantially influenced understanding of Earth’s deep history
. The global list, released in collaboration with UNESCO, is meant to foster conservation and tourism. The sites include familiar ones, such as the Grand Canyon’s “great unconformity,” a billion-year gap in the rock record erased by erosion. More exotic examples include limestones in Germany that preserve
Arc...
Source: Science of Aging Knowledge Environment - November 3, 2022 Category: Geriatrics Source Type: research
A Review of Extracorporeal Blood Purification Techniques for the Treatment of Critically Ill Coronavirus Disease 2019 Patients
In late 2019, a novel betacoronavirus, later termed severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), was discovered in patients with an unknown respiratory illness in Wuhan, China. SARS-CoV-2 and the disease caused by the novel coronavirus, coronavirus disease 2019 (COVID-19), spread rapidly and resulted in the World Health Organization declaring a pandemic in March 2020. In a minority of patients infected with SARS-CoV-2, severe illness develops characterized by a dysregulated immune response, acute respiratory distress syndrome, and multisystem organ failure. Despite the development of antiviral and multiple...
Source: ASAIO Journal - October 1, 2022 Category: Medical Devices Tags: Review Source Type: research
A feasibility study of Covid-19 detection using breath analysis by high-pressure photon ionization time-of-flight mass spectrometry
This study evaluated a simple, fast, non-invasive VOCs-based COVID-19 detection method and demonstrated that it has good sensitivity and specificity in distinguishing COVID-19 infected patients from controls. It has great potential for fast and accurate COVID-19 detection.
Source: Journal of Breath Research - September 11, 2022 Category: Respiratory Medicine Authors: Peize Zhang, Tantan Ren, Haibin Chen, Qingyun Li, Mengqi He, Yong Feng, Lei Wang, Ting Huang, Jing Yuan, Guofang Deng and Hongzhou Lu Source Type: research
Almost everything Tucker Carlson said about Anthony Fauci this week was misleading or false
Tucker Carlson, a political commentator on Fox News, has long assailed Anthony Fauci for his role in the U.S. government’s response to the COVID-19 pandemic during both former President Donald Trump’s and President Joe Biden’s administrations. But on 22 August, when Fauci announced he would be retiring from his jobs as director of the U.S. National Institute of Allergy and Infectious Diseases (NIAID) and chief medical adviser to the president at the end of year, the
Tucker Carlson Tonight
host laid into him like never before.
Carlson asserted Fauci had committed “very serious crimes” and said he “app...
Source: ScienceNOW - August 25, 2022 Category: Science 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
Moderna Is Seeking FDA Authorization for Its Omicron Booster
Moderna Inc. completed its filing to request U.S. clearance for a booster shot that targets the latest Omicron COVID variants, a move to provide more protection against the persistent coronavirus.
In a statement, the company said it had wrapped up the submission for emergency authorization for the company’s bivalent COVID booster vaccine that targets the BA.4 and BA.5 strains along with the original version of COVID. The filing includes preclinical data for the booster against the latest strains, along with clinical data from the company’s other bivalent booster that targets the original Omicron strain.
Moderna...
Source: TIME: Health - August 24, 2022 Category: Consumer Health News Authors: Robert Langreth/Bloomberg Tags: Uncategorized COVID-19 healthscienceclimate Vaccines wire Source Type: news
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
GC-MS profiling of Bauhinia variegata major phytoconstituents with computational identification of potential lead inhibitors of SARS-CoV-2 M < sup > pro < /sup >
Comput Biol Med. 2022 Jun 1;147:105679. doi: 10.1016/j.compbiomed.2022.105679. Online ahead of print.ABSTRACTSevere acute respiratory syndrome coronavirus 2 was originally identified in Wuhan city of China in December 2019 and it spread rapidly throughout the globe, causing a threat to human life. Since targeted therapies are deficient, scientists all over the world have an opportunity to develop novel drug therapies to combat COVID-19. After the declaration of a global medical emergency, it was established that the Food and Drug Administration (FDA) could permit the use of emergency testing, treatments, and vaccines to de...
Source: Molecular Medicine - June 6, 2022 Category: Molecular Biology Authors: Pallavi More-Adate Kiran Bharat Lokhande K Venkateswara Swamy Shuchi Nagar Akshay Baheti Source Type: research
‘The Window is Closing’: White House Warns U.S. Faces New COVID-19 Risk Without More Shots
WASHINGTON (AP) — White House COVID-19 coordinator Dr. Ashish Jha issued a dire warning Thursday that the U.S. will be increasingly vulnerable to the coronavirus this fall and winter if Congress doesn’t swiftly approve new funding for more vaccines and treatments.
In an Associated Press interview, Jha said Americans’ immune protection from the virus is waning, the virus is adapting to be more contagious and booster doses for most people will be necessary—with the potential for enhanced protection from a new generation of shots.
His warning came as the White House said there could be up to 100 millio...
Source: TIME: Health - May 13, 2022 Category: Consumer Health News Authors: ZEKE MILLER / AP Tags: Uncategorized COVID-19 overnight wire Source Type: news
Outpatient COVID-19 therapeutics reduce hospitalization and mortality
Matching the right patient to the right therapeutic at the right time
In late 2021 and early 2022, the Food and Drug Administration (FDA) granted emergency use authorizations (EUAs) for the treatment of outpatients with mild-to-moderate COVID-19 for nirmatrelvir/ritonavir (Paxlovid), molnupiravir, and sotrovimab. In January 2022, the FDA expanded the approval for remdesivir to include outpatients with mild-to-moderate COVID-19. This important news arrived on the heels of the omicron surge, with cases and hospitalizations across the United States and most of the world setting all-time records.
Across most health care system...
Source: The Hospitalist - February 10, 2022 Category: Hospital Management Authors: Lisa Casinger Tags: Clinical Guidelines Coronavirus Updates COVID-19 COVID-19 Updates Drug Therapy Source Type: research
Pfizer Agrees to Let Other Companies Make its COVID-19 Pill
(LONDON) — Drugmaker Pfizer Inc. has signed a deal with a U.N.-backed group to allow other manufacturers to make its experimental COVID-19 pill, a move that could make the treatment available to more than half of the world’s population.
In a statement issued Tuesday, Pfizer said it would grant a license for the antiviral pill to the Geneva-based Medicines Patent Pool, which would let generic drug companies produce the pill for use in 95 countries, making up about 53% of the world’s population.
The deal excludes some large countries that have suffered devastating coronavirus outbreaks. For example, while a...
Source: TIME: Health - November 16, 2021 Category: Consumer Health News Authors: MARIA CHENG/ AP Tags: Uncategorized COVID-19 healthscienceclimate Source Type: news
The FDA Just Authorized Pfizer ’s COVID-19 Vaccine For Kids Age 5 to 11
WASHINGTON (AP)—The Food and Drug Administration on Friday paved the way for children ages 5 to 11 to get Pfizer’s COVID-19 vaccine.
The FDA cleared kid-size doses—just a third of the amount given to teens and adults—for emergency use, and up to 28 million more American children could be eligible for vaccinations as early as next week.
One more regulatory hurdle remains: On Tuesday, advisers to the Centers for Disease Control and Prevention will make more detailed recommendations on which youngsters should get vaccinated, with a final decision by the agency’s director expected shortly afterwar...
Source: TIME: Science - October 29, 2021 Category: Science Authors: Matthew Perrone and Lauran Neergaard / AP Tags: Uncategorized COVID-19 wire Source Type: news
COVID-19, a double-edged sword for the environment: a review on the impacts of COVID-19 on the environment
Environ Sci Pollut Res Int. 2021 Sep 23. doi: 10.1007/s11356-021-16551-1. Online ahead of print.ABSTRACTThis review paper discusses the most relevant impacts of the COVID-19 pandemic on the environment. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) originated in Wuhan, China, in December 2019. The disease has infected 70 million people and caused the death of 1.58 million people since the US Food and Drug Administration issued an Emergency Use Authorization to develop a vaccine to prevent COVID-19 on December 11, 2020. COVID-19 is a global crisis that has impacted everything directly connected with human bei...
Source: Environmental Science and Pollution Research International - September 24, 2021 Category: Environmental Health Authors: Hossein D Atoufi David J Lampert Mika Sillanp ää Source Type: research
