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Team finds stable RNA nano-scaffold within virus core
With the discovery of a RNA nano-scaffold that remains unusually stable in the body, researchers have overcome another barrier to the development of therapeutic RNA nanotechnology. The nanoparticle, constructed from a three-way junction (3WJ) motif of packaging RNA (pRNA) molecules, can serve as a platform for building larger, multifunctional nanoparticles -- which can then be injected into the body to deliver therapeutics to targeted cells.
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Nuclear detector: New materials hold promise for better detection of nuclear weapons
Scientists have developed new materials that can detect hard radiation, a very difficult thing to do. The method could lead to a handheld device for detecting nuclear weapons and materials, such as a "nuclear bomb in a suitcase" scenario. The materials perform as well as materials that have emerged from five decades of research and development.
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Physicist detects movement of macromolecules engineered into our food
Toxin proteins are genetically engineered into our food because they kill insects by perforating body cell walls, and now researchers studying membrane proteins have detected the molecular mechanism involved.
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