Last updated on May 30th, 2021Radioimmunoassay (RIA) is very sensitive (can detect at a concentration of <0.01 μg/mL) and a specific technique that is used for the quantitative detection of antigens or haptens. RIA is […]
Last updated on May 30th, 2021When a person is infected with a pathogen, antibodies are produced against many epitopes of this pathogen. A subset of these antibodies can block infection by a process called neutralization. These […]
Last updated on May 22nd, 2021The indirect fluorescent antibody test (IFA) is a semi-quantitative, sensitive, and rapid test to detect specific antibodies or antigens present in the samples. IFA for the detection of Antibodies Indirect […]
Last updated on May 25th, 2021Detection of specific antigens present in the sample (blood, urine, CSF, or stool) using immunologic methods such as precipitin tests, particle agglutination tests, immunofluorescence, immunochromatographic or enzyme immunoassays are the […]
Last updated on June 1st, 2021Antibodies are glycoproteins produced by our body in response to invading organisms or toxins (antigens). When a pathogen (bacteria, virus, protozoa, or helminth) enters our body and anyhow manages to […]
Last updated on June 21st, 2021Streptococcus pneumoniae is one of the most common causes of community-acquired pneumonia (CAP). Pneumococcal pneumonia has a mortality rate of > 30%, depending on bacteremia, age, and underlying diseases. When not properly […]
Last updated on June 9th, 2020 Enzyme-linked immunosorbent assay (ELISA) is extremely sensitive test that is used to detect specific antibodies or antigens. The direct ELISA is a test for the detection of antigen using […]
Last updated on June 1st, 2021Enzyme-linked immunosorbent assay (ELISA) test is the most widely used type of immunoassay. ELISA is a rapid test used for detecting or quantifying antibodies (Ab) against viruses, bacteria, and other materials or […]
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