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Introduction of Shigella Serotyping Shigella Serotyping helps to differentiate serotypes of Shigella. Serotypes refer to separate groups within a species of microorganisms that all share a similar property. More specifically, each serotype has the same number of antigens on its surfaces. For example, Shigella flexneri serotype 1, 2, 2a, S. sonnei, and S. …
Introduction of Widal Test The Widal test is an agglutination test employed in the serological diagnosis of enteric fever. It is also applicable in febrile agglutinin tests. The test is named after Georges Fernand Isidore Widal, a French physician and bacteriologist. Salmonella antibody starts appearing in the …
Salmonella Serotyping Serotyping is a type of epidemiological marker. It works on the principle of agglutination. agglutination or clumping: Positive No agglutination or clumping: Negative On this basis, Salmonella can differentiate whether Salmonella enterica serotype Typhi or Paratyphi and so on. Serotype O antigen Salmonella enterica serotype Typhi ( …
Introduction of Antinuclear Antibody (ANA)Test The antinuclear antibody (ANA)test is a type of blood test in which serum tested for autoantibodies ( SLE) directed against native deoxyribonucleic acid and other nuclear constituents are produced. It involves a variety of tissues and is associated with a wide range …
Introduction of GeneXpert Test GeneXpert test is a molecular test for tuberculosis diagnosis by detecting the presence of Mycobacterium tuberculosis (bacteria), as well as testing for resistance to the drug rifampicin. Principle of GeneXpert Test GeneXpert test is a highly sensitive and specific test for tuberculosis(TB) diagnosis that detects DNA sequences …
Introduction of Dengue Fever Rapid Panel Test Dengue Fever Rapid Panel Test is clear from the topic name that contains Dengue immunoglobulin M (IgM), Dengue immunoglobulin G (IgG), and Dengue nonstructural protein 1 (NS1) antigen tests. Blood is used for the assay and there is …
Patient History of Urinary Tract Infection Caused by Kluyvera An 80- year- old man with painful urination was requested for testing Urine Routine Examination (R/E), Complete Blood Cell (CBC) count, Thyroid stimulating hormone (TSH), Prostate-specific antigen (PSA), Liver function test (LFT), Renal function test (RFT), …
Introduction and importance of parasitic infections lab diagnosis The parasitic infection has also emerged as a public health issue, especially in developing countries. Correct laboratory diagnosis of such parasitic infections (Parasitic Infections Lab Diagnosis) not only helps in the early treatment of the diseases but also helps …