Bismuth subcarbonate, also known as bismuth carbonate oxide, is a versatile semiconductor compound based on bismuth, commonly utilized for its antibacterial properties, as well as in various applications such as sensors, super capacitors, and photocatalysts. Additionally, bismuth subcarbonate serves as a protective agent against gastric acid erosion, particularly in the treatment of gastric ulcers[1][2].
HBcAg (core antigen) is a hepatitis B viral protein. It is an indicator of active viral replication; this means the person infected with Hepatitis B can likely transmit the virus on to another person.