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Martin Lewis Agar- Composition, Principle, Preparation, Results, Uses
Thayer-Martin Agar was developed in 1964 for the isolation of N. gonorrhoeae and N. meningitidis. A further modification of these early formulations was developed to improve the isolation of pathogenic Neisseria sp. from ... Read more
T-test: Definition, Formula, Types, Applications
The t-test is a test in statistics that is used for testing hypotheses regarding the mean of a small sample taken population when the standard deviation of the population is not known. T-test ... Read more
Mannitol Salt Agar (MSA)- Composition, Principle, Preparation, Results, Uses
Mannitol Salt Agar (MSA) is used as a selective and differential medium for the isolation and identification of Staphylococcus aureus from clinical and non-clinical specimens. It is recommended for the detection and enumeration of coagulase-positive ... Read more
Sulfur Reduction Test: Principle, Procedure, Results, Uses
Elemental sulfur and sulfur-containing compounds – both organic and inorganic compounds – can be metabolically reduced by some microorganisms to obtain metabolic energy. Such microorganisms are called sulfur-reducing microorganisms. Several Archaea and aerobic, ... Read more
Magnetic Stirrer- Principle, Parts, Types, Uses, Examples
A magnetic stirrer is a laboratory device that employs a rotating magnetic field generated by a rotating magnet or stationary electromagnet to cause a stirrer bar immersed within a liquid to spin and ... Read more
Sudan Black B Staining: Principle, Procedure, Results, Uses
Sudan stain is a special stain used for staining of fats and fat droplets using several Sudan dyes, which include Sudan II, Sudan III, Sudan IV, Oil Red O, and Sudan Black B. ... Read more
MacConkey Agar- Composition, Principle, Preparation, Results, Uses
MacConkey agar was the first solid differential media to be formulated which was developed in the 20th century by Alfred Theodore MacConkey. MacConkey Agar is the earliest selective and differential medium for the cultivation of coliform ... Read more
Stratified Squamous Epithelium: Structure, Functions, Examples
Disclaimer: The information and images presented on this page are for academic, study, and educational purposes only. The stratified squamous epithelium consists of several layers of cells, where the cells in the apical ... Read more
Lowenstein Jensen (LJ) Media- Composition, Principle, Preparation, Results, Uses
Lowenstein Jensen (LJ) Media is a selective medium that is commonly used for the cultivation and isolation of Mycobacterium, specifically Mycobacterium tuberculosis from clinical specimens. LJ medium was originally formulated by Lowenstein who incorporated congo ... Read more
Starch: Structure, Composition, Properties, Uses, Types
Starch, a polysaccharide, is a biodegradable natural carbohydrate that acts as an energy store in plants and serves the plant as a reserve food supply. It is a staple carbohydrate in the human ... Read more
