Nanomaterials
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A team of researchers from the University of Melbourne has developed a new way to turn plants into nanomaterial factories, which could allow them to act as chemical sensors or even allow them to survive in harsh environments, such as in space or on Mars.
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A new technique has been used to turn ordinary metals into "metallic wood" with a greatly improved strength-to-weight ratio. By manipulating materials at the atomic scale, scientists claim to have created a sheet of nickel that is as strong as titanium, but up to five times lighter.
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Diamond is a useful material, but its relative rarity on Earth makes it difficult to get. Now, researchers at NCSU have demonstrated a new way to convert carbon nanofibers and nanotubes into diamond fibers that can be performed in a lab more easily than existing techniques.
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Researchers at the University of California, Riverside have found a way to use viruses to build gold nanobeads, which can then be used to purify water and could eventually help cut the cost and time required to produce electronic components.
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Spider silk has long held the title of strongest natural biomaterial. Now, researchers at the KTH Royal Institute of Technology have developed a new biomaterial out of wood nanofibers that steals the strength record.
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A team from Texas A&M University has created a novel injectable bandage that blends a commonly used food thickening agent with nanoparticles. The result is an injectable hydrogel than can rapidly stop bleeding and potentially promote wound healing.
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Zapping hydrogen out of water through electrolysis is the cleanest way to produce the fuel, but that requires rare-Earth metal catalysts. Researchers have now developed a quick and inexpensive alternative, making a “nanofoam” catalyst out of nickel and iron that performs better than usual.
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ScienceThe field of nanotechnology is still in its nascent stages but recent innovations are increasingly making this sci-fi world a reality. New research has demonstrated a robot made of a single strand of DNA explore a molecular surface, pick up targeted molecules, and move them to another location.
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Creating a material that can alter its optical properties in real time has proved challenging for scientists, but a team has finally achieved a major breakthrough by developing a material that can transition from clear to reflective and back again using an array of gold nanoparticles.
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In what they are calling a world first, nanoengineers have delivered tiny drug-bearing motors into the stomachs of mice where the devices moved around via bubble propulsion, which changed the pH of the stomach to allow the successful dispatch of bug-clobbering antibiotics.
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Radiation exposure leaves astronauts with an increased risk of cancer and other diseases. Now a team from Australian National University has developed a new nanomaterial that could protect space travelers with a thin film that dynamically reflects harmful radiation.
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ScienceA team of MIT engineers has potentially revolutionized the process of dialysis by creating a new membrane from graphene that is able to filter nanometer-sized molecules from solutions up to 10 times faster than current dialysis systems.
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