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Introduction of Potato Dextrose Agar (PDA) Potato Dextrose Agar ( PDA) is a fungal medium and its ingredients are clear from its name it contains potato ( vegetable), dextrose ( sugar), and agar ( solidifying agent). PDA is recommended for the isolation and enumeration of fungi …
Introduction of Bile Solubility Test Bile solubility test uses for presumptive identification of Streptococcus pneumoniae. Principle of Bile Solubility Test Bile salts, specifically sodium deoxycholate and sodium taurocholate, have the capacity to selectively lyse Streptococcus pneumoniae when added to actively growing bacteria in agar or broth media. S. pneumoniae produces autolytic …
Introduction of Dengue Serotyping Real-Time PCR Test Dengue is a mosquito (Aedes aegypti)-borne viral disease. It is a major health threat in the tropical and sub-tropical territories of the world, particularly in urban and semi-urban areas. Approximately 50-100 million individuals have been infected with dengue …
Introduction of ELISA ELISA stands for Enzyme-Linked Immunosorbent Assay. It comes under antigen and antibody reaction tests and is useful for the identification of antigens or antibodies of the following specimens serum, urine, CSF, sputum, semen, supernatant of culture, stool, etc. It is also applicable …
Introduction of Rapid Plasma Reagin (RPR) Test RPR is a screening non-specific test for syphilis caused by a bacterium, Treponema pallidum. It has replaced the VDRL test due to having properties like no need of preparing fresh reagents daily, no need for a microscope, and …
Introduction of TPHA Test TPHA test stands for Treponema pallidum hemagglutination. This is a confirmatory test for syphilis that is caused by a bacterium, T. pallidum. TPHA test is a sensitive indirect hemagglutination test, that detects specific Treponema pallidum antibodies in serum within one hour. It uses …
Introduction of VDRL Test VDRL stands for Veneral disease research laboratory. The laboratory was renamed the Treponemal Pathogenesis and Immunology Branch of the United States Public Health Service. The Venereal Disease Research Laboratory (VDRL) test is one of two variations of micro flocculation procedures used for serological testing …
Introduction of HLA-B27 Test HLA-B27 stands for Human leukocyte antigen B27. It is a protein found on the surface of our white blood cells (WBCs) and it is a blood test that identifies HLA-B27 proteins. Although most human leukocyte antigens (HLAs) protect your body from …