Working with Scottish Bioenergy, the team found that by limiting all other wavelengths, the algae – known more commonly as Spirulina – will start to mass-produce the blue pigment when exposed to long wavelength red light.
Biotechnology
Mar 17, 2017
0
25
A team of McGill chemists have discovered that a technique known as photoacoustic infrared spectroscopy could be used to identify the composition of pigments used in art work that is decades or even centuries old. Pigments ...
Analytical Chemistry
Sep 2, 2010
0
0
In collaboration with the National University of Mexico, a team of Spanish researchers has analysed for the first time remains of cosmetics in the graves of prehispanic civilisations on the American continent. In the case ...
Archaeology
Jan 9, 2013
1
0
By monitoring the color changes in the ocean, such as those caused by photosynthetic pigments in phytoplankton, scientists learn more about the overall health and functioning of our planet. Such studies also could help future ...
Earth Sciences
Jul 16, 2013
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0
To truly understand the mechanisms of natural selection, evolutionary biologists need to shift their focus from present-day molecules to synthesized, ancestral ones, says Shozo Yokoyama, a biologist at Emory University.
Plants & Animals
Feb 15, 2013
0
0
Where do birds get their red feathers from? According to Esther del Val, from the National History Museum in Barcelona, Spain, and her team, the red carotenoids that give the common crossbill (Loxia curvirostra) its red coloration ...
Plants & Animals
Apr 15, 2009
0
0
In medieval Europe, before the rise of oil paintings, fresco was a popular religious painting technique. Many artworks across Europe, hundreds of years old, utilize this method and constitute an important part of cultural ...
Analytical Chemistry
Jan 31, 2023
0
3
Have you ever wondered why and how butterflies exhibit such beautiful and diverse colors? Scientists have, particularly butterflies in the genus Colias. In most Colias butterflies, all males and most females are an orange ...
Plants & Animals
Dec 18, 2019
0
101
Look closely at Impressionist paintings in museums compared with photos of them taken 50 years ago, and you might notice something odd: Some are losing their bright yellow hues.
Optics & Photonics
Apr 29, 2024
0
36
Composting instead of incinerating or landfilling is a promising way that has until now been hampered by the presence of chemicals in packaging.
Materials Science
Mar 5, 2013
0
0
