In 1863 he introduced the reaction known by his name.

Toxic reactions have been known for at least a hundred years.

The priests' reaction to the dismissal was not immediately known.

The figure was not much different for patients with the severe reaction known as anaphylaxis.

It would release more energy per unit mass than any other reaction known to science.

Your emotional reactions are known to us, you see?

This reaction, because of its color change, is known as a "chemical chameleon".

The reaction is known for its mild character and wide tolerance of functional groups.

About 4,000 reactions are known to be catalyzed by enzymes.

This may be a severe allergic reaction known as anaphylaxis.