News articles tagged with 'pigment' (Page 4)
Advance offers revolution in food safety testing
— 27 Oct 2008 12:02 | HealthMicrobiologists at Oregon State University have developed a new technology to detect illness-causing bacteria - an advance that could revolutionise the food industry, improving the…
Traits produced by melanin may signal the bearer's capacity to combat free radicals
— 8 Oct 2008 03:15 | BiologySome animal species have developed conspicuous traits produced by melanin pigments (for instance, dark manes in lions, black stripes in some birds and fishes). These traits are used…
How do plants see light?
— 14 Sep 2008 16:54 | BiologyScientists from the Dept. of Plant Physiology in Giessen and the Dept. of Structural Biology in Marburg have made an important step towards understanding how 'phytochromes' work. This…
Even seaweeds get sunburned
— 23 Aug 2008 14:53 | EnvironmentIt is red, it burns and itches: a sunburn on our skin. However, too much sun is not only bad for humans. Many plants react sensitively to an increased dose of ultraviolet radiation,…
Hidden Vincent van Gogh painting revealed
— 30 Jul 2008 12:21 | TechnologyA new technique allows pictures which were later painted over to be revealed once more. An international research team, including members from Delft University of Technology (The Netherlands)…
Protein responsible for transporting nutrients believed to protect against eye disease
— 22 Jul 2008 13:34 | HealthScientists have identified the protein responsible for transporting nutrients to the eye that are believed to protect against the development of age-related macular degeneration, a…
Retina transplants show promise in patients with retinal degeneration
— 14 Jul 2008 18:21 | HealthPreliminary research shows encouraging results with transplantation of retinal cells in patients with blindness caused by retinitis pigmentosa (RP) and age-related macular degeneration…
New efficiency benchmark for dye-sensitised solar cells
— 1 Jul 2008 16:29 | TechnologyIn a paper published online 29 June in the journal Nature Materials, EPFL professor Michael Graetzel, Shaik Zakeeruddin and colleagues from the Changchun Institute of Applied Chemistry…
Chemist investigates lost reds in Homer painting
— 11 Jun 2008 01:44 | ChemistryMore than 30 years ago, when Northwestern University chemist Richard Van Duyne developed a powerful new sensing technique, he never thought he would be using it to learn more about…
Scientists find new details following the path of solar energy during photosynthesis
— 28 Apr 2008 15:39 | BiologyImagine a technology that would not only provide a green and renewable source of electrical energy, but could also help scrub the atmosphere of excessive carbon dioxide resulting from…