All articles by Jon Evans – Page 5
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Polyphosphate crucial for clots
The linear polymer polyphosphate plays an important, but previously unsuspected, role in blood coagulation.
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Biological junk finds use in cancer detection
Small peptides found in blood serum can act as effective biomarkers for cancer, US medical researchers have found.
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Isotope ratio analysis to resolve environmental conflict
Analysis of carbon and nitrogen isotopes contained in the hair on an elephant's tail is helping explain the animals' feeding behaviour.
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Europe could lead the way in nanomedicine
European researchers are developing leading technologies in the emerging field of nanomedicine but have few opportunities to exploit them commercially.
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Getting liquids to follow the light
US researchers have taken advantage of the so-called coffee-ring effect to move liquids around using only heated gold nanoparticles.
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Microwave cooking for soluble CNTs
The industrial processing of carbon nanotubes (CNTs) could become much easier with the development of a quick and simple way to make them highly soluble.
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Material scientists make bones crack up
Material scientists have discovered why bones fracture more easily in some directions than others.
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Ion channels that open and close in response to light
Researchers have developed an ion channel that can be opened and closed by exposing it to light at different wavelengths
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Polysaccharides point to identity of Permian killer
The discovery of polysaccharide remains supports a theory that the largest mass extinction in history was caused by massive volcanic eruptions.
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Focus on palladium's hydrogen storage potential
US chemists have used a scanning tunnelling microscope to shine light on the behaviour of hydrogen atoms when absorbed by the metal palladium.
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Chemists switch over to molecular computing
US chemists have discovered how to control the on/off behaviour of a type of molecular switch, heralding a further step towards molecular computing.
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Peptides gel in the spotlight
US chemists have developed a peptide that self-assembles to form a hydrogel on exposure to ultra violet light.
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Playing the waiting game with aptamer probes
US nanotechnologists have solved a major problem hindering the development of highly sensitive and selective probes for use in complex biological fluids.
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2 November 2005: Albumin engineered for artificial blood
A modified version of human serum albumin that binds oxygen has been created marking a first step towards a new form of artificial blood.
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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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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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Did life get a kick out of interstellar nitrogen?
Organic compounds consisting of hydrogen, carbon and nitrogen are probably widespread throughout interstellar space, according to a team of Nasa scientists.
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Analysing the bracing smell of the countryside
Techniques more usually applied in the food industry have been used to analyse odours given off by farmyard animals.
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Chemists sniff out parasitic fish pheromone
US chemists and biologists have identified the main chemical constituents of a key signalling pheromone used by sea lampreys.
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Chemists sniff out parasitic fish pheromone
US chemists and biologists have identified the main chemical constituents of a key signalling pheromone used by sea lampreys.