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Category: nanotechnology – Page 131
Unprecedented views of the interior of cells and other nanoscale structures are now possible thanks to innovations in expansion microscopy. The advancements could help provide future insight into neuroscience, pathology, and many other biological and medical fields.
In the paper “Magnify is a universal molecular anchoring strategy for expansion microscopy,” published Jan. 2 in the journal Nature Biotechnology, collaborators from Carnegie Mellon University, the University of Pittsburgh and Brown University describe new protocols for dubbed Magnify.
“Magnify can be a potent and accessible tool for the biotechnology community,” said Yongxin (Leon) Zhao, the Eberly Family Career Development Associate Professor of Biological Sciences.
Using specialized nanoparticles embedded in plant leaves, MIT engineers have created a light-emitting plant that can be charged by an LED.
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Atherosclerosis is a cardiac-based disease where plaque builds up inside the body’s arteries, the blood vessels responsible for carrying oxygen-rich blood to the heart and other organs of the body. Plaque is made up of immune blood cells, known as macrophages, fat, cholesterol, calcium, and other substances found in the blood.
As this plaque hardens it narrows the arteries, limiting the flow of oxygen-rich blood around the body. This, in turn, can lead to serious problems, including heart attack, stroke, or even death.
Now, a study from researchers led by Michigan State University engineers a nanoparticle capable of eating away, from the inside out, heart attack causing plaques. The team states their nanoparticle reduces and stabilizes plaque, providing a potential treatment for atherosclerosis, a leading cause of death in the United States. The study is published in the journal Nature Nanotechnology.
A research team from the University of Valencia’s ICMool (Institute of Molecular Science) came up with a platform that is open, interactive, and capable of bringing together and offering around 20,000 different data. Such data is connected to molecular nanomagnet chemical design in the specific area of magnetic memories.
SIMDAVIS Platform
According to Nanowerk, such a device is called SIMDAVIS. The application results from manual research tracking efforts released by the scientific community for more than 16 years.
Although the toxicity of graphene‐based nanomaterials on human health has been extensively studied, their impact on the microbiome remains poorly understood. Using zebrafish as a model, we show that graphene oxide modulates the immune system in a microbiome‐dependent manner through a mechanism mediated by the aryl hydrocarbon receptor. The study suggests an interplay among graphene‐based nanomaterials, microbiome and innate immune system.
Researchers have finally succeeded in building a long-sought nanoparticle structure, opening the door to new materials with special properties.
Alex Travesset does not have a sparkling research lab stocked with the most cutting-edge instruments for probing new nanomaterials and measuring their unique properties.
Instead of using traditional laboratory instruments, Alex Travesset, a professor of physics and astronomy at Iowa State University and an affiliate of the U.S. Department of Energy’s Ames National Laboratory, relies on computer models, equations, and figures to understand the behavior of new nanomaterials.
Researchers at Vienna University of Technology have discovered why sometimes spectacular micro-explosions occur and other times ultra-thin layers of material remain almost intact when charged particles are shot through them.
It may seem like magic that some materials can withstand being shot through with fast, electrically charged ions without exhibiting holes afterward. This phenomenon, which would be impossible at the macroscopic level, becomes possible at the level of individual particles. However, not all materials exhibit this behavior. In recent years, various research groups have conducted experiments with varying results.
Vienna University of Technology researchers have been able to provide a detailed explanation for why some materials are perforated while others are not. This is of particular interest in the processing of thin membranes, which are designed to have tailor-made nano-pores that can trap, hold, or allow specific atoms or molecules to pass through.
“This shows that we must factor the gut microbiome into our understanding of how nanomaterials affect the immune system,” said the paper’s corresponding author Bengt Fadeel, professor at the Institute of Environmental Medicine, Karolinska Institutet. “Our results are important for identifying the potential adverse effects of nanomaterial and mitigating or preventing such effects in new materials.”
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Graphene is an extremely thin material, a million times thinner than a human hair. It comprises a single layer of carbon atoms and is stronger than steel yet flexible, transparent, and electrically conductive. This makes it extremely useful in a multitude of applications, including in “smart” textiles equipped with wearable electronics and as a component of composite materials, to enhance the strength and conductivity of existing materials.