News – Page 550
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Renaissance artworks analysed
Researchers have combined two ion-beam analysis techniques to obtain more detailed information about the paints used in Renaissance works of art
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All that is small is not nano
Researchers suggest doing away with traditional definition of a nanoparticle to provide a focus for environmental, health and safety studies, and future regulation
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New 'on-off' membrane for drug delivery
Nanomagnetic particles embedded in membrane can be remotely heated to cause gel-filled channels to open and close on demand
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Photographing flexible electronics
Photography has provided the inspiration for a fast, room temperature route to produce flexible electronic components
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Just heat and heal
New polymer system based on weak, reversible bonds can heal itself when heated
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Light on the horizon for chemicals sector
The worldwide chemical industry appears to have stabilised and could show mild growth by the end of the year, say industry economists
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Ultrathin catalysts on demand
Korean chemists have created ultrathin nano-sheets that are efficient and long-lived catalysts for hydrocarbon cracking and other petrochemical applications
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Daisy-chain polymers bring artificial muscles a step closer
US chemists develop molecular 'daisy-chains' containing threaded rings that can be pulled taut or slackened by chemical stimuli
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Peer review under the microscope
International survey of reviewers reiterates concerns over demand, quality control and detecting plagiarism in peer review
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Hybrid nano material targets antibiotic resistant bacteria
Researchers develop a light activated nano material that can target, label and kill antibiotic resistant bacteria such as E. coli
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Tackling graffiti
Developers hope for renewed support for new polymer-based anti-graffiti coating that lets buildings 'breathe'
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Bolt-on MOF catalysts
Metal-organic frameworks with catalytic functions bolted on after construction produce efficient catalysts that can be easily recovered and cycled many times
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Authorities clamp down on Reach violations
National agencies issue warnings to firms breaching Reach chemical regulations in signs of tough approach to compliance
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New HIV vaccine hope
For the first time in decades, researchers have discovered new broadly neutralising antibodies that could lead to an effective vaccine for HIV
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New kind of bond hidden in all animals
US chemists have identified a unique chemical bond that holds together a type of collagen molecule in all animals
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Designing 3D DNA crystals
DNA triangles have been designed that self-assemble into three-dimensional, macro-sized crystals
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Mechanised nanocapsules target drug delivery
Supramolecular machines attached to nanoparticles allow the controlled release of their encapsulated cargo
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Bayer bows to safety concerns
Following an explosion at a US plant last year, Bayer CropScience is slashing its stock of toxic methyl isocyanate
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Shining a light on DNA-binding drugs in living cells
Researchers have used circular dichroism spectroscopy to probe interactions between drug molecules and DNA in living cells
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Complex shines a light on its own creation
A complex that spontaneously forms at a surface and then signals its own assembly has been created by scientists