Features – Page 14
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New challenges for photocatalysts
Titania catalysts are being used to keep hospital surfaces clean and to produce hydrogen in solar cells
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The battle for magenta
Three years after the discovery of mauveine in 1856 by William Henry Perkin, the second commercially synthetic dye, magenta, was in production
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The Mole
The sunshine vitamin
Vitamin D is often called the sunshine vitamin, but what is vitamin D, why is it so important, and what evidence is there to link it to such a range of illnesses?
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Ocean Acidification
Recent evidence suggests that ocean removal of carbon dioxide from the atmosphere is having serious consequences for marine life
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Phosphorus - food for thought
Can phosphorus-rich foods, such as fish, improve our intellect?
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The Mole
Flood: will all the land be covered by water if the polar ice caps melt?
On screen chemistry with Jonathan Hare
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In pursuit of Bombykol
In 1959 Aldoph Butenandt identified and synthesised the first pheromone, bombykol. Since then scientists have discovered how male silkworm moths receive this chemical message
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Solving an infectious problem
Joseph Lister's use of phenol as an antiseptic revolutionised surgical practice in the 19th century. But was he the first to use this antiseptic technique?
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Sonochemistry - beyond synthesis
Sonochemistry, the use of sound energy to induce physical or chemical changes within a medium, has a growing number of applications in fields such as medicine and nanotechnology
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Catalysts for a green industry
Chemists are working to develop new, longer-lasting catalysts to ensure industrial processes are cleaner, greener and more efficient
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The Mole
Kew the celebrations
The Royal Botanic Gardens, Kew, celebrates 250 years of horticulture and science.
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Biofuels: the next generation
Chemists look to develop second-generation biofuels made from dead wood, algae and genetically-engineered microorganisms
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Burning ice in the Arctic
Is methane trapped in ice, deep in the Arctic ocean, a potential clean energy source for the future, or will its release lead to catastrophic climate change?
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Epilepsy - beyond bromide
An historical journey into the treatment of epilepsy, starting with potassium bromide 150 years ago
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The public analyst
Analytical chemists ensure everything, from food and drinks, through toys and household chemicals, to air quality and even suspicious powders present no danger to humans