
Types of chemicals to be detected in vitro
A. Antibodies: Antibodies in vitro testing usually refer to immunoglobulins that bind to specific antigens and can be used to detect antigens in serum or other biological samples. For example, hepatitis B surface antigen (HBsAg) or hepatitis B core antigen (HBcAg) in serum can be detected to diagnose hepatitis B virus infection. B. Labeled molecules: