Polypyrrole is a type of conducting polymer made from the polymerization of pyrrole, a five-membered ring compound containing nitrogen. It is known for its electrical conductivity, which can be adjusted by doping with various substances. This property makes polypyrrole useful in applications such as sensors, batteries, and electronic devices. In addition to its electrical properties, polypyrrole is also recognized for its stability and environmental resistance. It can be synthesized through various methods, including chemical and electrochemical polymerization. Researchers are exploring its potential in fields like biomedical engineering, where it can be used for drug delivery and tissue engineering.