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Category: biotech/medical – Page 2,683
Billions of nanoplastics accumulate in marine organisms within six hours
A ground-breaking study has shown it takes a matter of hours for billions of minute plastic nanoparticles to become embedded throughout the major organs of a marine organism.
The research, led by the University of Plymouth, examined the uptake of nanoparticles by a commercially important mollusc, the great scallop (Pecten maximus).
After six hours exposure in the laboratory, billions of particles measuring 250nm (around 0.00025mm) had accumulated within the scallop’s intestines.
How African researchers are adding to deeper knowledge about neutrons
Matter is all around us. As human beings, we’re made of it. Matter is the “stuff” that makes up the physical world as we know it; a collection of atoms made up of particles called protons, electrons and neutrons.
Part of my work, as a post-doctoral researcher at iThemba LABS (Laboratory for Accelerator Based Sciences) in Cape Town, South Africa, focuses on neutrons. These are subatomic particles that can penetrate through matter, which means they can be harnessed for all sorts of important work.
For example, high-energy neutrons may be used to destroy tough tumours that can’t be killed by the usual x-rays that are available in hospitals.
Experimental cancer drug repurposed to prevent Parkinson’s
As promising as a drug candidate may be, the unfortunate truth is that not all of them end up performing as hoped – but that doesn’t mean they’re completely useless. Researchers at Oxford University have managed to give second life to an experimental cancer drug known as tasquinimod, which has now shown promise in preventing Parkinson’s.
World AIDS Day: 5 ways to make a difference
December 1 is World AIDS Day, an annual event dedicated to raising awareness and money to fight AIDS around the world.
Over the last four decades, HIV and AIDS have been at the forefront of advocacy and research. But despite medical advances, AIDS remains one of the most destructive pandemics in history, particularly of youth.
The Future of HIV Treatment Might Not Involve Pills
HIV treatments have come a long way in the more than 30 years since the virus was first identified.
Powerful antiretroviral drugs (ARVs) can now keep the virus controlled at levels that current tests cannot detect in the blood. Perhaps just as important, people who take these drugs diligently soon after they’re infected are unlikely to pass the virus to others. But the treatment isn’t perfect. Those with HIV need to take a pill every day for the rest of their lives, and even if they do, the virus can easily morph to become resistant to the drugs. That’s why patients on ARV treatment should faithfully monitor their virus and cycle between different combinations of drugs.
Finding new, easier ways to more effectively treat HIV and stop its spread is therefore an urgent priority, and researchers are now looking beyond daily drugs to therapies that might provide people with more lasting protection.
Screening for Early Lung Cancer
But while screening can be extremely helpful, it also carries some risks. Here’s what you need to know about lung cancer screenings.
How does lung cancer screening work?
Currently, there’s only one recommended screening test for lung cancer: low-dose computer tomography (low-dose CT scan). This test creates images of the inside of the body — or in this case, the lungs — using low doses of radiation.
Cafe in Japan Hires Paralyzed People to Control Robot Servers
The OriHime-D can also be used by people involved in childcare, nursing care or other activities that prevent them from leaving home or a certain location.
A cafe with an all-robot staff controlled by paralyzed people has opened in Tokyo.
The cafe, called Dawn ver.β, held its ribbon cutting ceremony on Nov. 26.