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Bile Esculin Test: Introduction,Principle, Procedure, Result Interpretation and Limitations
Introduction of Bile Esculin test Bile esculin test is widely used to differentiate Enterococci from streptococci, other than streptococcus bovis which are bile tolerant and can hydrolyze esculin to esculetin, it reacts with an iron salt in the medium to form a phenolic iron complex which produces a dark brown or black color. This test is based on the ability of Enterococcus species, to hydrolyze esculin in the presence of bile (4% bile salts or 40%...
Yoga and Meditation : Introduction, differences and its importance
Definitions of Yoga and Meditation Yoga and meditation makes our life happier, healthier, fit and fine .Yoga: the aim of yoga is to gain the state of spiritual absorption. Meditation: Meditation includes the constant concentration of the mind on a particular specific object or a specific religious symbol. Definition of 'meditation' : From Collins English Dictionary "Meditation is the act of remaining in a silent and calm state for a period of time, as part of a religious training, or so that you are...
Antibody: Definition, Structures, Types and Properties of Different Antibodies
Definition of antibody The antibody is also called immunoglobulin (Ig). Immunoglobulin is a glycoprotein that is made in response to an antigen and can recognize and bind to the antigen that caused its production. It protects us from microbial infection. They are gamma globulin and synthesized by plasma cells. They constitute 25-30 % of total serum proteins. Antibodies are present in serum, tissue fluids, and mucosal surfaces and on the surface of B-cells where they act as antigen...