Type 4 hypersensitivity is the second most common type of reaction. This type of reaction takes two days or more to develop. An example of this reaction is a rash to poison ivy. Type 3 is an ...

(Bloomberg) -- An exchange-traded fund from a relatively unknown shop is catching the attention of online traders and gathering flows after investing in Elon Musk’s SpaceX. The ERShares Private ...

French president tells CNN he’s prepared to go toe-to-toe with Trump’s tariffs ...

Substitution reactions are fundamental in organic chemistry, demonstrating how molecules can be transformed into different structures. In a substitution reaction, one functional group in a compound is ...

Esterification is a type of condensation reaction as water is a byproduct. Esterification reactions are a fundamental type of organic reaction where an alcohol reacts with a carboxylic acid to form an ...

Phostdoctoral Research Base, School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, Henan Province 453003, China Postdoctoral Research Station, School of ...