Reaction kinetics and dynamics articles from across Nature Portfolio Reaction kinetics and dynamics refers to the study of why, how and how fast chemical processes take place. Chemists seek to ...

The second reaction can happen within 72 hours of the first. Protracted anaphylaxis: This type of anaphylaxis is relatively rare. The reaction can last for days or even weeks without fully resolving.

Cross-coupling reactions are those in which two different starting materials, each of which is usually endowed with an activating group, are reacted together with the aid of a metal catalyst. The ...

A biphasic anaphylactic reaction involves a recurrence of symptoms after the initial symptoms of anaphylaxis have been treated and subsided. A second reaction can occur up to 72 hours after the first.