Nanomaterials up close: Gum arabic (w/video)
This alien glob is a piece of gum arabic from the hardened sap of the Acacia tree, most likely collected from a tree in Sudan.
Jun 30th, 2014
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Nanotechnology News – Latest Headlines
Researcher examines nanoparticle-membrane interactions to determine safety
Chemical engineer studies how to design the best materials with the least environmental impact.
Jun 30th, 2014
Read moreArtificial nanoparticle enzyme mimics the natural detoxification mechanism in liver cells
Scientists have discovered that molybdenum trioxide nanoparticles oxidize sulfite to sulfate in liver cells in analogy to the enzyme sulfite oxidase. The functionalized Molybdenum trioxide nanoparticles can cross the cellular membrane and accumulate at the mitochondria, where they can recover the activity of sulfite oxidase.
Jun 30th, 2014
Read moreScientists develop force sensor from carbon nanotubes
Force and magnetic field sensor based on measurement of tunneling conductance between ends of coaxial carbon nanotubes.
Jun 30th, 2014
Read moreInterlayer distance in graphite oxide gradually changes when water is added
Physicists have solved a mystery that has puzzled scientists for half a century. They show with the help of powerful microscopes that the distance between graphite oxide layers gradually increases when water molecules are added.
Jun 30th, 2014
Read moreUnzipping nanotubes by smashing them at 15000 miles per hour
Researchers unzip nanotubes into ribbons by shooting them at a target.
Jun 30th, 2014
Read moreResearchers discover the growth of metallic silver on the surface of silver tungstate crystals as a result of electrosynthesis
This phenomenon was not observed before in the literature and it results from the interaction of the electrons generated by the microscope with the silver ions, that are reduced to metallic silver.
Jun 30th, 2014
Read moreNanocoated textiles release fewer silver nanoparticles in the washing machine
The antibacterial properties of silver-coated textiles are popular in the fields of sport and medicine. A team at Empa has now investigated how different silver coatings behave in the washing machine, and they have discovered something important: textiles with nano-coatings release fewer nanoparticles into the washing water than those with normal coatings.
Jun 30th, 2014
Read moreNanotechnology researchers create quantum dots with single-atom precision
Physicists have used a scanning tunneling microscope to create quantum dots with identical, deterministic sizes. The perfect reproducibility of these dots opens the door to quantum dot architectures completely free of uncontrolled variations, an important goal for technologies from nanophotonics to quantum information processing as well as for fundamental studies.
Jun 30th, 2014
Read moreLearning the language of biomolecular self-assembly
The National Physical Laboratory (NPL) will carry out unique experiments to investigate biomolecular self-assembly at UK and EU synchrotron facilities.
Jun 30th, 2014
Read moreWorld-first miniaturized fiber-optical monitoring system embedded in composite material
This achievement paves the way toward smart composites that enable continued and automatic monitoring of the structural health of the composite material in for example tidal blades, wind turbines, airplanes or marine structures.
Jun 30th, 2014
Read moreNanocircuits exhibit a counterintuitive phenomenon: the coexistence of superconductivity with dissipation
For his doctoral dissertation in the Goldman Superconductivity Research Group at the University of Minnesota, Yu Chen, now a postdoctoral researcher at UC Santa Barbara, developed a novel way to fabricate superconducting nanocircuitry. However, the extremely small zinc nanowires he designed did some unexpected - and sort of funky - things.
Jun 30th, 2014
Read moreWaterproofing functional material with nanoscale cage-like structures
Researchers have developed a novel way to waterproof new functionalized materials involved in gas storage and separation by adding exterior surface grooves. Their study provides a blueprint for researchers to build similar materials involved in industrial applications, such as high performance gas separation and energy storage.
Jun 30th, 2014
Read moreSingle-pixel 'multiplex' captures elusive terahertz images
A novel metamaterial enables a fast, efficient and high-fidelity terahertz radiation imaging system capable of manipulating the stubborn electromagnetic waves, advancing a technology with potential applications in medical and security imaging.
Jun 29th, 2014
Read moreNanofluids improve performance of automobile radiator
Chemical engineers studied the performance of automobile radiators and realized that nanofluids significantly increase the amount of heat transfer in those systems.
Jun 29th, 2014
Read more2D molybdenum disulfide could be a promising new transistor material
For the ever-shrinking transistor, there may be a new game in town. Cornell researchers have demonstrated promising electronic performance from a semiconducting compound with properties that could prove a worthy companion to silicon.
Jun 27th, 2014
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