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TryNano.org is a resource for anyone interested in learning about Nanoscience and Nanotechnology. Nanoscience and Nanotechnology are technical fields that focus on matter at the nanoscale - dimensions that are roughly 1 to 100 nanometers (1nm = 10-9m).

The term Nanoscience often refers to research that discovers and characterizes new behaviors and properties of materials at the nanoscale. Nanotechnology describes how discoveries at the nanoscale are put to work, especially by controlling the behavior of matter and building useful devices. Some of these devices have demonstrated applications in medicine, electronics, robotics, and energy production.

December 01, 2016
Researchers at Washington University School of Medicine in St. Louis have found that injecting nanoparticles into an injured joint can inhibit the inflammation that contributes to the cartilage damage seen in osteoarthritis. Shown in green is an inflammatory protein in cartilage cells. After nanoparticles are injected, the inflammation is greatly reduced. (Image: Pham Laboratory)

Researchers at Washington University School of Medicine in St. Louis have shown in mice that they can inject nanoparticles into an injured joint and suppress inflammation immediately following an injury, reducing the destruction of cartilage. In the study, the nanoparticles were injected shortly after an injury, and within 24 hours, the nanoparticles were at work taming inflammation in the joint. But unlike steroid injections that are quickly cleared, the particles remained in cartilage cells in the joints for weeks. The nanoparticles used in the study are more than 10 times smaller than a red blood cell, which helps them penetrate deeply into tissues. The particles carry a peptide derived from a natural protein called melittin that has been modified...

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