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Introduction Ascitic fluid microscopy is a laboratory diagnostic method used to examine peritoneal (ascitic) fluid obtained via paracentesis. It helps in identifying cells, microorganisms, and crystals that provide clues about underlying causes such as infection, malignancy, liver disease, or systemic disorders. Principle The principle of …
Introduction Pleural fluid is the liquid collected from the pleural space between the lung and chest wall. Microscopic examination of pleural fluid plays a key role in identifying the underlying cause of pleural effusion. It helps distinguish between transudates and exudates, detect infectious organisms, malignant …
Introduction This test rapidly detects influenza A and B antigens. It employs a chromatographic assay format. Moreover, it is simple to perform. Principle The test uses immunochromatography. It employs specific antibodies to bind viral antigens. Furthermore, it uses color changes for detection. Thus, it yields …
Introduction Pulsed-field gel electrophoresis (PFGE) is a powerful laboratory technique used in molecular biology and genetics to separate and analyze large DNA molecules, such as genomic DNA, by their size. PFGE is particularly valuable when studying organisms with complex genomes, such as bacteria, yeast, and …
Introduction The E-Test, short for “Epsilometer Test,” is a diagnostic tool used in clinical microbiology and antimicrobial susceptibility testing. It is a method for determining the minimum inhibitory concentration (MIC) of antibiotics or antimicrobial agents against a particular bacterial or fungal pathogen. The E-Test is …
Introduction Antimicrobial Susceptibility Testing (AST) is a laboratory technique used to assess the effectiveness of antimicrobial agents, such as antibiotics, against specific microorganisms. The aim of AST is to determine the susceptibility or resistance of a microorganism to different antimicrobial drugs. This information is crucial …
Introduction Candida Chromagar is a selective and differential agar medium used for the isolation and identification of Candida species. HiMedia is a well-known manufacturer of microbiological culture media and laboratory products. Here are some keywords related to this agar: Principle The principle of Candida Chromagar …
Introduction SARS-CoV-2 antigen tests, also known as rapid antigen tests or rapid diagnostic tests (RDTs), are diagnostic tests designed to detect specific proteins or antigens from the SARS-CoV-2 virus, which is responsible for the COVID-19 disease. These tests are used to quickly identify active COVID-19 …