The rapid plasma reagin (RPR) test is a macroscopic, nontreponemal flocculation card test used to screen for syphilis. Let’s first analyze the test name: Rapid: It is a rapid...
Tag: Serological test
Anti-streptolysin O Titer (ASOT): Principle, Procedure, and Results
Most people infected with group A streptococci produce anti-streptolysin O (ASO) antibodies. In infections caused by β-hemolytic streptococci, streptolysin-O is one of the two hemolytic...
The venereal disease research laboratory (VDRL) test is a nonspecific microflocculation test for the screening of syphilis. It uses antigen-containing cardiolipin, lecithin, and cholesterol and...
Hepatitis B serologic testing involves the measurement of hepatitis B virus (HBV) specific antigens and antibodies. Different serologic markers are used to identify different phases of Hepatitis B...
When the specific antibodies (agglutinins) bind to surface antigens of bacteria, virus, or any antigens immobilized in particulate matter (such as latex particle) and cause the formation of...
Counterimmunoelectrophoresis (CIE): Principle, Procedure, Uses
Counterimmunoelectrophoresis (CIE) is a modification of the Ouchterlony method that speeds up the migration of an antigen and antibody by applying an electrical current. Principle of CIE Test...