Science news articles about 'double bonds'

... addition of ammonia to simple alkenes, which are organic compounds containing a carbon-carbon double bond," Bertrand said. "This process is widely considered to be one of the ten greatest challenges ...

... of a bridge of two nitrogen atoms attached to one another by a double bond, with each nitrogen atom also bound to a benzene ring. The two benzene rings can be on the same side of the ...

... . But when they tested the modified enzyme and looked for the expected product with its altered double-bond position, it wasn't there. They could have moved on and made different amino acid changes ...

... observed before," Schrock said. Highly versatile molecules that contain carbon–carbon double bonds, alkenes, or olefins, are ubiquitous in medicinally relevant and biologically active molecules. ...

Scientists in the US report the first synthetic compound to catalyse a key step in the degradation of double bonds in aromatic rings

Azobenzene double-bond isomerization, induced by UV light, translates into mechanical motion in platelike microcrystals

The students’ talk after lunch was about lipids, double bonds and fuel standards. It was day seven of the first Intensive Program in Biorenewables at Iowa State University.

... hot vegetable oil, changing the arrangement of double bonds in the essential fatty acids in the oil ... unsaturated" carbon chain with hydrogen. Because double bonds are rigid, altering them can straighten ...

A Nobel Prize-winning reaction for making carbon–carbon double bonds can be applied to proteins

... isomerizing cis-OPDA to iso-OPDA, only one double bond in the molecule is relocated, drastically changing ... spatial structure: An angulate molecule with a reactive double bond (cis-OPDA) becomes a planar ...