News – Pagina 11
-
EnglishFamous photo now full of chemists
A group of European scientists have made a reprise of the iconic Solvay photo taken in 1927.
-
EnglishAncient chemical formulas clarified
Six Chinese formulas for bronze turn out to be pre-made alloys rather than pure metals, Antiquity reports.
-
EnglishRadical rule of thumb on the reboot
Methyl radicals are not stabilised by more substitutions, but rather destabilised, Amsterdam researchers show.
-
EnglishLight and electricity make artificial skin sweat
A team of researchers from TU Eindhoven developed an artificial skin that sweats on command.
-
EnglishBiological diary of a cell created
With CRISPR-Cas1 and Cas2 and retrons you can keep track of the transcription history in a population of cells in a kind of log.
-
EnglishEpigenetic gatekeeper discovered in stem cells
Human pluripotent stem cells can become all types of cells, but possess epigenetic mechanisms that block some cellular pathways.
-
EnglishSafely synthesising with CO
With a dual-chamber system, you can use carbon monoxide to install a carbonyl group during synthesis in a relatively safe way.
-
EnglishNew more dangerous HIV variant discovered in the Netherlands
A variant of the HIV-1 subtype-B that is more infectious and virulent than previously known variants has been circulating in the Netherlands for twenty years.
-
EnglishCatalyst model overhauled
Oxidised metals also appear to be able to take on an active role as catalysts for CO2 conversion, contrary to what scientists had previously thought.
-
EnglishHalogens too fat for paradigm
Bond strength between two atoms previously seemed to depend entirely on electronegativity, but researchers discovered that this is not always the case.
-
EnglishLead white isotope composition points to specific historical periods
Differences in lead white pigment in Dutch paintings are directly linked to historical conflicts.
-
EnglishVegan spider silk
Researchers have developed a sustainable and plant-based alternative material for disposable plastics, imitating the structure of spider silk with soya proteins.
-
EnglishConcentrated sunlight helps CO2 conversion
With plasmonic nanoparticles and somewhat concentrated sunlight, you can convert CO2 to CO much more efficiently without having to use high temperatures.
-
EnglishCopper pyramids catalyse ethylene glycol production
Australian researchers have discovered that copper atoms in pyramid-like structures selectively convert CO and CO2 into ethylene glycol (C2H6O2).
-
English
Electrochemical gardening
On a zinc disc-electrode, you can plant a micro-garden by corroding it in a sulfuric acid solution, without the need of a green thumb.
-
English
Mobile replication machinery comes to a halt
Certain sequences on the genome can stop the motile start proteins of DNA replication.