News – Page 671
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Viagra cancels painkiller side effects, but might have side effects of its own
The impotence drug Viagra could be used to block gastric inflammation caused by drugs such as aspirin and ibuprofen.
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Improving the odds against a killer disease
Combining two existing forms of breast cancer therapy could result in a safer and more efficient treatment.
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Quantum leap for silicon
Silicon has been given a new lease of life with news of a silicon-based material that converts electronic data into optical data with unprecedented efficiency.
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Strecker intermediates scavenge for cyanides
A novel route for the non-polluting scavenging of cyanides has been reported by scientists in Mexico.
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Pore-forming peptides
A new class of peptides that insert themselves into the cell membrane and form an open pore has been created.
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Research spotlight falls on neglected disease
The University of Dundee, UK is to tackle the issue of neglected tropical diseases with a £13 million five-year project.
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Cell transport goes synthetic
Artificial cell receptors that mimic those found in nature and possess the potential to be adapted for use in drug delivery have now been created.
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Personal bioaerosol sampler
A personal rotating cup bioaerosol sampler, the CIP 10-M, for measuring human exposure to microbiological agents in the air has been developed.
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Nanopipette paints DNA picture
DNA ink has been used to paint molecular pictures, thanks to a nanopipette developed by researchers in the UK.
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Probing for water in protein cavities
Scientists in Japan and Canada have calculated the likely position of water molecules in a protein, claiming this could lead to better models of drug-protein interactions
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A little germ conversation
A new universal signaller for cell-to-cell communication in bacteria has been discovered by a team of US scientists.
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Hand-held hydrogen
Jens Nørskov and a team from the Technical University of Denmark have produced a fuel cell pellet which can hold over nine per cent hydrogen by weight.
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Axing artefacts for accurate atomic force microscopy
Carbon nanotubes could soon replace silicon as the material of choice for the probe tips used in atomic force microscopy.
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Probing the structure of water
Scientists in Brazil have studied the structure and hydrogen bonding interactions of water at a hydrophobic surface at the molecular level.
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New covalent linkers boost polycation research
Connecting two or more cyclophophazene units via covalent linkers paves the way for the assembly of simple novel polycations.
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Paradigm shift in theoretical chemistry
A radical new approach is proposed to address the electron correlation problem.
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Protein popsicle holds clues to insect antifreeze
Researchers in Canada have discovered a surprising antifreeze protein used by insects living at sub-zero temperatures.
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Introducing silicon into heteroaromatics
Japanese chemists have developed a new transition metal catalysed reaction for the silicon substitution of C-H bonds by difluorosilanes in aromatic heterocycles.
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Golden promise for green catalyst
Gold nanoparticles can catalyse specific oxidation reactions using air and no solvents