fbpx New case in Saudi Arabia | Page 8 | Science in the net

New case in Saudi Arabia

Primary tabs

Read time: 1 min

A case of pneumonia caused by a novel coronavirus, temporarily named nCov-EMC, has been confirmed by the Ministry of Health of the Kingdom of Saudi Arabia. The patient, who is now recovering and out of intensive care, is a man who has been hospitalized in Ryadh a few days ago, with symptoms of an acute respiratory syndrome. He has no significant travel history and, one week prior to disease onset, he reports having visited a farm.

Saudi health authorities reported that this case is not epidemiologically linked to the other two recent cases of SARS-like coronavirus infection, both related to the Kingdom of Saudi Arabia.

Epicentro: http://www.epicentro.iss.it/temi/infettive/aggiornamenti.aspclass="bibliografia">Last SARS-like case: http://tellmeproject.eu/content/new-coronavirus-found-uk

Autori: 
Sezioni: 
Dossier: 
Indice: 
Coronavirus

prossimo articolo

Discovered a New Carbon-Carbon Chemical Bond

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

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.