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Slinn Pickings

A sweeter approach to sugar synthesis | Chemistry World

July 27, 2012 – 5:00 pm

A sweeter approach to sugar synthesis | Chemistry World - Sugar chemists have developed a highly efficient synthetic pathway to produce a variety of oligosaccharides from scratch. While there are numerous options in a glycochemists’ toolbox to produce monosaccharides, automated synthesis of oligosaccharides is still very limited. The new approach not only complements conventional methods but allows the synthesis of unnatural oligosaccharides, which could be important in biological and medicinal chemistry studies.

(10.1021/ja305321e)

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Slinn Pickings

Remote controlled omniphobic surface

July 27, 2012 – 12:00 am

Remote controlled omniphobic surface - Chemists in the US have developed a material that normally resists wetting by both aqueous and organic liquids, but can have this property 'switched off' using a magnet, allowing liquids to soak the surface. The design should improve understanding of this sort of superomniphobic material, with applications in smudge-free touchscreen surfaces and improving the efficiency of liquid transport. Reference: A Grigoryev et al, J. Am. Chem. Soc., 2012, DOI: 10.1021/ja305348n

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Slinn Pickings

Fools’ gold found to regulate oxygen

July 26, 2012 – 10:00 am

Fools' gold found to regulate oxygen - As sulfur cycles through Earth's atmosphere, oceans and land, it undergoes chemical changes that are often coupled to changes in other such elements as carbon and oxygen. Although this affects the concentration of free oxygen, sulfur has traditionally been portrayed as a secondary factor in regulating atmospheric oxygen, with most of the heavy lifting done by carbon. However, new findings suggest that sulfur's role may have been underestimated.

(10.1126/science.1220224)

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