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Environmental significance of chiral persistent organic pollutants
15-05-2013
Enantioselectivity has been recognized in the fields of life science, pharmacology, modern medicine, and chemistry. The increasing release of chiral persistent organic pollutants (POPs) into the environment in recent decades has led to an increase in scientific research into their ...
Dark-field microscopy coupled with capillary electrophoresis to see gold nanoparticles
08-05-2013
Chinese scientists have combined interfacing dark field microscopy (DFM) with capillary electrophoresis (CE) and used it to “see” single gold nanoparticle (AuNPs) movement visually and in real time. The study also served to confirm the separation rules and fundamental theories of CE.
Detecting harmful dye used to make ketchup red
07-05-2013
It may soon be easier to protect consumers from dangerous condiments thanks to an electrochemical method developed by Chinese scientists that can spot the toxic azo dye, Orange II. They were able to spot the dye at nanomolar concentrations in ketchup and chilli products using the ...
Cobalt oxide nanosheet electrodes to enhance batteries
07-05-2013
A graphene inspired electrode material that could help batteries hold more power has been developed by Chinese scientists. The large surface area of these cobalt oxide nanosheets is key to their electrochemical performance. As technology advances, the search is on for batteries that can pack ...
Tooth enamel restoration inspired by mother of pearl
17-04-2013
Researchers in China have shown that the organic component of mother of pearl can help repair damaged teeth, by acting as a template for the mineralisation of tooth enamel. Tooth enamel is made up of rod-like crystals of hydroxyapatite, a calcium phosphate mineral. It is the hardest tissue in ...
Biomimetic bricks inspired by nacre
09-04-2013
Chinese chemists have developed a new nacre-like material which is stronger than natural nacre (mother of pearl). Nacre is a naturally occurring composite formed from calcium carbonate and biopolymers which create a brickwork structure. It is also nearly a thousand times stronger than any of ...
Materials that climb up vibrating tubes
05-04-2013
Scientists have discovered a phenomenon whereby granular material climbs up a vertically vibrating tube that is partially inserted in a granular silo. The final height to which the material climbs is found to depend on the strength of the vibrations and the depth to which the tube is ...
Parallelogram shaped nanowires control light in two dimensions
04-04-2013
A novel zinc oxide microwire optical resonator with parallelogram-shaped cross section has been made by chemists. The material can effectively control light in two dimensions, and could play the part of a building block in the development of optoelectronic devices.
Could zeolites make cigarettes safer to smoke?
03-04-2013
A self-protecting zeolite catalyst that degrades the carcinogens in cigarette smoke has been reported by scientists. The zeolite – which is prepared in a one-step hydrothermal crystallisation without any post treatment or shape direction – selectively breaks down tobacco specific nitrosamines ...
Green routes to supercapacitors
05-03-2013
A new copper-manganese composite could find use as a supercapacitor thanks to its high capacitance, conductivity and durability. What’s more, the synthesis of the material makes use of tree leaves – an abundance natural resource that makes this a truly green material. Researchers from Nanjing ...
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