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An Italian lead for worldwide immunology

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Pubblicato il 23/08/2013Read time: 1 min

 

Alberto Mantovani, Chief science officer of the Istituto Clinico Humanitas and Professor of General Pathology at the University of Milan, has been elected President of the International Union of Immunological Societies, which gathers all the immunological societies around the world.

Mantovani would then represent about 70,000 immunologists from more than 100 countries. The election occurred during the XV International Congress of Immunology, organized by the IUIS and the Italian Society of Immunology, Clinical Immunology and Allergology (SIICA), now ongoing in Milan.

 

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Discovered a New Carbon-Carbon Chemical Bond

di Chiara D'Errico
Pubblicato il 16/10/2024

A group of researchers from Hokkaido University has provided the first experimental evidence of the existence of a new type of chemical bond: the single-electron covalent bond, theorized by Linus Pauling in 1931 but never verified until now. Using derivatives of hexaarylethane (HPE), the scientists were able to stabilize this unusual bond between two carbon atoms and study it with spectroscopic techniques and X-ray diffraction. This discovery opens new perspectives in understanding bond chemistry and could lead to the development of new materials with innovative applications.

In the cover image: study of the sigma bond with X-ray diffraction. Credits: Yusuke Ishigaki

Chemistry

After nearly a year of review, on September 25, a study was published in Nature that has sparked a lot of discussion, especially among chemists. A group of researchers from Hokkaido University synthesized a molecule that experimentally demonstrated the existence of a new type of chemical bond, something that does not happen very often.