BNO Team
lactophenol cotton blue definition Lactophenol Blue Solution or Lactophenol cotton blue is a wet mounting medium and staining agent which is used for the preparation of microscopic slides of fungi for examination. Fungal elements are stained intensely blue. You might be thinking, why should we learn this technique or what is the purpose of this … Read more
Ziehl Neelsen stinging method is used to differentiate between the acid-fast and non-acid fast bacteria.
A bacterial smear is a thin layer of bacterial cell/culture which is placed on a clean, grease-free microscopic slide to observe a clear image under a microscope.
Kinyoun method also known as Kinyoun stain (cold method), was first developed by Joseph J. Kinyoun.
Single Radial Immunodiffusion also referred to as Mancini technique is a quantitative immunodiffusion technique that is used to measure the antigen’s concentration by measuring the size of the precipitin-based ring created by the interaction between the antigen with the antibody at the optimal concentration. The antibody is embedded in the agarose gel, while the antigen is diffused into it in the form of a radiatal pattern.
What is the latex agglutination test? Types of Latex Agglutination The latex agglutination test can be categorized into two main types based on the processes of detection: Latex Agglutination Test (LAT) for Antibody Detection and Latex Agglutination Test (LAT) for Antigen Detection. These two types of latex agglutination tests provide valuable diagnostic information in different … Read more
What is Rapid Plasma Reagin (RPR) Test? Principle of Rapid Plasma Reagin (RPR) Test The principle of the Rapid Plasma Reagin (RPR) test is based on the detection of antibodies produced in response to antigens released by damaged host cells during a syphilis infection. The RPR test is a macroscopic, non-treponemal flocculation card test that … Read more
What is Mantoux Test? Principle of Mantoux Test The Mantoux test operates on the principle of delayed-type hypersensitivity, specifically Type IV hypersensitivity. This test is designed to assess a person’s cell-mediated immunity against the bacterium Mycobacterium tuberculosis. To conduct this test, a substance known as Purified Protein Derivative (PPD) is used, which is essentially a … Read more
What is Immunoelectrophoresis? Types of Immunoelectrophoresis There are 4 types of Immunoelectrophoresis; 1. Classical immunoelectrophoresis Advantages In summary, classical immunoelectrophoresis offers the advantages of separating complex mixtures, identifying individual components, specificity in immunoprecipitation reactions, simplicity in procedure, and providing visual and informative results. 2. Counter Current Immunoelectrophoresis Counter current immunoelectrophoresis, also known as crossover immunoelectrophoresis, utilizes … Read more
A blood film or Peripheral blood smear (PBS) must be prepared from capillary blood or a drop of blood from an EDTA (anticoagulant) blood sample. Blood examination under the microscope requires blood smears. The Differential Leukocyte Count (DLC) is typically determined by blood smears. The DLC entails counting 100 white blood cells (WBCs) and noting … Read more
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