Medicine News

Researchers Create First Ultrasound Biosensor

Walker et al developed a solid-state ultrasound contrast agent for monitoring pH fluctuations. Image credit: Walker et al, doi: 10.1021/acssensors.0c00245.
Mar 30, 2020 by News Staff

A team of scientists from Monash University and the Baker Heart and Diabetes Institute has developed a new biosensor that can be used inside a body and is able to emit signals that can be detected by common ultrasound scanners. Walker et al developed a solid-state ultrasound contrast agent for monitoring pH fluctuations. Image credit: Walker et al, doi: 10.1021/acssensors.0c00245. Ultrasound is the most commonly used medical imaging technique as it...

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This scanning electron microscope image shows SARS-CoV-2 (round magenta objects) emerging from the surface of cells cultured in the lab. The virus shown was isolated from a patient in the U.S. Image credit: NIAID-RML.

Study: Pangolins are Missing Link in Transmission of SARS-CoV-2 from Bats to Humans

Mar 27, 2020 by News Staff

Two recent studies concluded that snakes are the intermediate hosts of SARS-CoV-2, a novel coronavirus that causes the COVID-19 disease, and that four...

This scanning electron microscope image shows SARS-CoV-2 (round gold objects) emerging from the surface of cells cultured in the lab. The virus shown was isolated from a patient in the U.S. Image credit: NIAID-RML.

Existing FDA-Approved Drugs Could Help Fight COVID-19 Disease

Mar 26, 2020 by News Staff

Drugs that are already approved by the U.S. Food and Drug Administration (FDA) could hold promise in fighting COVID-19, a respiratory disease caused by...

Prem et al estimated the effects of physical distancing measures on the progression of the COVID-19 epidemic, hoping to provide some insights for the rest of the world. Image credit: Gerd Altmann.

New Study Estimates Effects of Physical Distancing on Progression of COVID-19 Epidemic

Mar 26, 2020 by News Staff

In December 2019, a novel coronavirus called severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) emerged in Wuhan, China. In mid-January 2020,...

36-year old male with history of recent travel to Wuhan, presenting with fever, fatigue and myalgias. Coronal thin-section non-contrast CT image shows ground-glass opacities with a rounded morphology in both upper lobes (arrows). Image credit: Chung et al, doi: 10.1148/radiol.2020200230.

Study: Lying Face Down Improves Breathing in Severe COVID-19 Cases

Mar 25, 2020 by News Staff

In a study of patients with the severe COVID-19 disease hospitalized on ventilators, a team of researchers in Wuhan, China, found that lying face down...

Transmission electron micrograph of SARS-CoV-2 virus particles, isolated from a patient. Image credit: NIAID.

Patients who Take ACEIs and ARBs May Be at Increased Risk of Severe COVID-19

Mar 25, 2020 by News Staff

Angiotensin-converting enzyme inhibitors (ACEIs) and angiotensin receptor blockers (ARBs) may increase the risk of severe COVID-19 cases, according to...

Pregnant women should do the same things as the general public to protect themselves. Image credit: David Wagner.

COVID-19 While Pregnant or Giving Birth: Here’s What You Need to Know

Mar 24, 2020 by The Conversation

Having a baby is stressful enough without COVID-19 pandemic, caused by the SARS-CoV-2 coronavirus, and all the associated misinformation. If you’re pregnant...

Transmission electron micrograph of SARS-CoV-2 virus particles, isolated from a patient. Image credit: NIAID.

New Study Estimates Impact of Physical Distancing on Reducing Spread of COVID-19

Mar 24, 2020 by News Staff

A combined approach of physical distancing interventions, comprising quarantine (for infected individuals and their families), school closure, and workplace...

Scientists Using Supercomputer to Build All-Atom Model of SARS-CoV-2 Coronavirus Envelope

Mar 24, 2020 by News Staff

Using the NSF-funded Frontera supercomputer at the University of Texas at Austin’s Texas Advanced Computing Center (TACC), researchers are preparing...

This scanning electron microscope image shows SARS-CoV-2 (yellow) isolated from a patient in the U.S., emerging from the surface of cells (blue/pink) cultured in the lab. Image credit: NIAID.

Stopping COVID-19: What Does Evidence Say Are Best Measures?

Mar 23, 2020 by The Conversation

COVID-19, a respiratory disease caused by the SARS-CoV-2 coronavirus, has been spreading rapidly but at a different rate in different countries. A variety...

This image shows bacterial cells trapped in a 3D microbead matrix. Image credit: Wenrong He / Rochester Institute of Technology.

Newly-Developed Device Detects Dangerous Bacteria in Bodily Fluids

Mar 23, 2020 by News Staff

An international team of researchers has developed a micro- and nano-fluidic device stacked with magnetic beads that can rapidly isolate, retrieve and...

Third-hand smoke originates from the direct contamination of surfaces (e.g., smokers’ bodies and clothes, indoor furnishings and surfaces, and building materials) with hazardous organic compounds from tobacco combustion but does not include airborne primary particles. Image credit: Aamir Mohd Khan.

Third-Hand Tobacco Smoke is Real Threat to Public Health, Study Shows

Mar 23, 2020 by News Staff

Third-hand smoke is a residual contamination from cigarette smoking that adheres to walls and other surfaces in places where smoking has previously occurred....

3D structure of SARS-CoV-2 Mpro, in two different views. One protomer of the dimer is shown in light blue, the other one in orange. Domains are labeled by Roman numbers. Amino-acid residues of the catalytic site are indicated as yellow and blue spheres, for Cys145 and His41, respectively. An asterisk marks a residue from protomer B (orange). Black spheres indicate the positions of Ala285 of each of the two domains III. Chain termini are labeled N and C for molecule A (light blue) and N* and C* for molecule B (orange). Image credit: Zhang et al, doi: 10.1126/science.abb3405.

Scientists Map 3D Structure of SARS-CoV-2’s Main Protease

Mar 20, 2020 by News Staff

The COVID-19 pandemic caused by the SARS-CoV-2 coronavirus is a global health emergency. A team of researchers in Germany has figured out the structure...

France’s Minister of Solidarity and Health Oliver Véran announced that taking anti-inflammatory drugs could be a factor in worsening a COVID-19 infection. Image credit: StockSnap.

Ibuprofen, Paracetamol and COVID-19: Here’s What You Need to Know

Mar 20, 2020 by The Conversation

There’s been some confusion recently on whether we should or shouldn’t take ibuprofen to treat symptoms of COVID-19, especially after the World Health...

Transmission electron micrograph of SARS-CoV-2 virus particles, isolated from a patient. Image credit: NIAID.

SARS-CoV-2 Coronavirus Has Natural Origin: Study

Mar 19, 2020 by News Staff

An analysis of the genomes of SARS-CoV-2, a novel coronavirus which causes COVID-19 disease, and related coronaviruses found no evidence that the virus...

This transmission electron microscope image shows SARS-CoV-2 isolated from a patient in the U.S. Image credit: NIAID-RML.

SARS-CoV-2 Coronavirus Stable for Several Hours to Days in Aerosols and on Surfaces

Mar 18, 2020 by News Staff

A novel human coronavirus that is now named severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) emerged in Wuhan, China, in 2019 and is now causing...

This transmission electron microscope image shows SARS-CoV-2 virus isolated from a patient in the U.S. Virus particles (round gold objects) are shown emerging from the surface of cells cultured in the lab. The spikes on the outer edge of the virus particles give coronaviruses their name, crown-like. Image credit: NIAID-RML.

Australian Researchers Map Immune Responses from Patient with Mild-to-Moderate COVID-19

Mar 17, 2020 by News Staff

A team of scientists at the Peter Doherty Institute for Infection and Immunity (Doherty Institute), Australia, was able to test blood samples at four different...

This scanning electron microscope image shows SARS-CoV-2 (round magenta objects) emerging from the surface of cells cultured in the lab. The virus shown was isolated from a patient in the U.S. Image credit: NIAID-RML.

‘Stealth Transmission’ Facilitates Rapid Geographic Spread of SARS-CoV-2 Coronavirus

Mar 17, 2020 by News Staff

Undetected cases, many of which were likely not severely symptomatic, were largely responsible for the rapid geographic spread of the COVID-19 outbreak...

This scanning electron microscope image shows SARS-CoV-2 (round gold objects) emerging from the surface of cells cultured in the lab. The virus shown was isolated from a patient in the U.S. Image credit: NIAID-RML.

New Report Highlights Potential Therapeutic Agents and Vaccines for COVID-19

Mar 16, 2020 by News Staff

Researchers from CAS, a division of the American Chemical Society, have released a special report in which they provide an overview of previously published...

This transmission electron microscope image shows SARS-CoV-2, also known as 2019-nCoV, isolated from a patient in the U.S. Virus particles are shown emerging from the surface of cells cultured in the lab. The spikes on the outer edge of the virus particles give coronaviruses their name, crown-like. Image credit: NIAID.

Study: SARS-CoV-2 Coronavirus Spreads Quickly, Sometimes Before People Have Symptoms

Mar 13, 2020 by News Staff

An international team of scientists from the United States, France, China and Hong Kong was able to identify how quickly SARS-CoV-2, a novel coronavirus...

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