Sentences with phrase «by alkyl»

The «ladybug» taint is caused by alkyl - methoxypyrazines, which accumulate in wine both from grapes themselves and from remains of «ladybug» beetles in crushed grapes.

«The ACMD's consensus view is that a psychoactive substance has a direct action on the brain and that substances having peripheral effects, such as those caused by alkyl nitrites, do not directly stimulate or depress the central nervous system.»

Not exact matches

The critical temperature of the transition can be tuned by varying the length of alkyl chains in the polymer.

Now, the lab of Xile Hu at EPFL has developed a new method that can efficiently produce alkyl amines by using photocatalysis alongside copper catalysis.

Recently, this group succeeded to develop the synthetic method of branched terminal olefins from butadiene and alkyl halides through selective introduction of alkyl group into the internal carbon of butadiene by the aid of Cu catalyst.

Nobuaki Kambe, Professor, and Takanori Iwasaki, Assistant Professor, at the Graduate School of Engineering, Osaka University developed a synthetic method by constructing carbon frameworks of 8 carbons through the formation of a bond of two butadiene molecules by using a cheap nickel catalyst and introducing an alkyl group and a benzene ring to an internal and terminal carbons of 1,6 - octadiene, respectively.

A group of researchers at Osaka University developed a method of the consecutive formation of bonds of two butadiene, alkyl groups, and benzene rings by using a cheap nickel catalyst.

To improve the effectiveness, the researchers modified the drug by replacing the sulfur in a compound they studied earlier with selenium, as well as varying the length of the alkyl chain to create isoselenocynate.

Research indicates that drinking matcha may prime the immune system against free radicals by teaching disease - fighter immune cells to recognize and remember alkyl amines (toxins).