Scientists have developed biodegradable polymers that can mimic the ability of white blood cells to target inflamed blood vessel walls, according to a new study led by Ohio University researchers. The finding could be the first step in developing drugs that suppress specific sites of inflammation in medical conditions such as arthritis, heart disease and inflammatory bowel disease.
Researchers found that biodegradable beads coated with targeting molecules can travel through the bloodstream and effectively stick to the site of tissue inflammation, a symptom of various diseases, according to the study, which will be published in the Dec. 23 issue of the journal Proceedings of the National Academy of Sciences. Scientists are interested in drugs made from biodegradable polymers because they can be easily prepared, have a long shelf life and can be designed to release specific doses of medication, according to the study.
When the body suffers from a bacterial infection or a wound, the white blood cells, or leukocytes, adhere to the site to treat the problem. But in inflammatory diseases such as arthritis, heart disease or inflammatory bowel disease, leukocytes accumulate in an area where they arent needed and cause or progressively worsen the disease.
Andrea Gibson | EurekAlert!
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Physicists of the University of Würzburg have made an astonishing discovery in a specific type of topological insulators. The effect is due to the structure of the materials used. The researchers have now published their work in the journal Science.
Topological insulators are currently the hot topic in physics according to the newspaper Neue Zürcher Zeitung. Only a few weeks ago, their importance was...
In recent years, lasers with ultrashort pulses (USP) down to the femtosecond range have become established on an industrial scale. They could advance some applications with the much-lauded “cold ablation” – if that meant they would then achieve more throughput. A new generation of process engineering that will address this issue in particular will be discussed at the “4th UKP Workshop – Ultrafast Laser Technology” in April 2017.
Even back in the 1990s, scientists were comparing materials processing with nanosecond, picosecond and femtosesecond pulses. The result was surprising:...
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A multi-institutional research collaboration has created a novel approach for fabricating three-dimensional micro-optics through the shape-defined formation of porous silicon (PSi), with broad impacts in integrated optoelectronics, imaging, and photovoltaics.
Working with colleagues at Stanford and The Dow Chemical Company, researchers at the University of Illinois at Urbana-Champaign fabricated 3-D birefringent...
In experiments with magnetic atoms conducted at extremely low temperatures, scientists have demonstrated a unique phase of matter: The atoms form a new type of quantum liquid or quantum droplet state. These so called quantum droplets may preserve their form in absence of external confinement because of quantum effects. The joint team of experimental physicists from Innsbruck and theoretical physicists from Hannover report on their findings in the journal Physical Review X.
“Our Quantum droplets are in the gas phase but they still drop like a rock,” explains experimental physicist Francesca Ferlaino when talking about the...
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