St. John's Wort flowers serve as green catalyst

Since ancient times, St. John's Wort has been used as a medicinal herb covering a wide range of applications such as the treatment of burns, skin injuries, neuralgia, fibrosis, sciatica and depression. Due to its high medicinal ...

Chemists synthesize 'flat' silicon compounds

Chemists at the University of Bonn (Germany) have synthesized extremely unusual compounds. Their central building block is a silicon atom. Different from usual, however, is the arrangement of the four bonding partners of ...

Physicists obtain molecular 'fingerprints' using plasmons

Scientists from the Center for Photonics and 2-D Materials of the Moscow Institute of Physics and Technology (MIPT), the University of Oviedo, Donostia International Physics Center, and CIC nanoGUNE have proposed a new way ...

'Soil photosynthesis' helps to mitigate environmental pollution

NOx gases is the generic term used to refer to the group of gases made up of nitric oxide and nitrogen dioxide, gases that result from burning fossil fuel, and also from forest fires, volcanic eruptions and natural processes ...

Why some greens turn brown in historical paintings

Enticed by the brilliant green hues of copper acetate and copper resinate, some painters in the Renaissance period incorporated these pigments into their masterpieces. However, by the 18th century, most artists had abandoned ...

Scientists patent new agent for X-ray

Russian scientists found that nanocrystal tungsten trioxide can be used instead of barium for X-ray examinations and also in cancer treatment. The results of the study are published in Journal of Nanomaterials.

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