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250 Current news of Royal Society of Chemistry

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Curious caffeine crystal prepared

29-Aug-2013

A team of chemists based in four labs across the world have successfully prepared a crystal structure that has eluded scientists for more than 60 years. After many years of work, the team developed a successful method to prepare the caffeine: benzoic acid co-crystal, which was previously thought ...

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Destroying stable foams on demand

29-Aug-2013

An international team of scientists has developed the first example of a stable, environmentally friendly foam that can be broken down on demand by any one of three external stimuli. Foams are commonly applied in the clean-up of chemical spills, where they are sprayed over large areas to prevent ...

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A flexible future for robotics

29-Aug-2013

Scientists in the US have created smart materials that twist and coil in response to light, which could be used in the muscle systems of future robots to mimic the movements of living creatures. The team produced a series of cantilevers made from azobenzene liquid crystal polymer networks that ...

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A polymer that could reduce supercapacitor fire risk

29-Aug-2013

Scientists in China have developed a temperature-responsive polymer for use in supercapacitors to prevent them from overheating. Supercapacitors have high power densities that mean they are prone to self-propagating, uncontrolled temperature increases – an effect known as thermal runaway. The ...

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Raman keeps lipstick evidence in the bag

14-Aug-2013

Scientists at the University of Kent, UK have used Raman spectroscopy to identify different types and brands of lipstick on crime scene evidence without having to remove it from the evidence bag. Lipstick marks can link someone to a crime scene and can be crucial for establishing physical contact ...

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Increasing substrate selectivity through encapsulation

14-Aug-2013

Italian chemists have come up with a homogenous catalytic system that displays substrate selectivity by developing an encapsulated catalyst that mimics enzymes to selectively hydrate one alkyne over a mixture of others. The scientists encapsulated an NHC-Au(I) catalyst within a supramolecular ...

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Record-breaking number of boron atoms recorded in a single molecular species

14-Aug-2013

Scientists in the United States have synthesised a molecular species containing the highest number of boron atoms ever recorded by crystallographic characterisation. The unique supramolecular cuboctahedron contains 240 boron atoms. The previous record for the most boron atoms in a single species ...

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Reacting under intensity – a light-responsive oscillating gel

14-Aug-2013

An international team of chemists has developed a soft material that shows different behaviour depending on the intensity of the light shining on it. The gel could potentially be applied in robots and other devices to enable them to respond to different illumination patterns. The unusual property ...

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Polymer extends life and increases power of lithium sulphide batteries

23-Jul-2013

Scientists from the United States and China have identified a polymer that makes high energy lithium sulphide batteries work for longer, while providing at least four times the energy available with current technology. Lithium sulphur batteries are a very promising option for energy storage, ...

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Water-soluble catalyst converts carbon dioxide to promising green fuel

23-Jul-2013

Scientists in the United States have developed a water-soluble catalyst that can selectively reduce carbon dioxide to formate, a promising green fuel for fuel cells. Researchers describe the design of an iridium pincer catalyst that electrocatalytically reduces carbon dioxide to formate in water. ...

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