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Introduction of Litmus Milk Test Litmus Milk Test needs a litmus milk medium and it is a liquid medium that helps to differentiate bacteria based on various metabolic reactions in litmus milk, including fermentation, reduction, clot formation, digestion, and the formation of gas. This medium is used primarily to differentiate members within the genus Clostridium and it also differentiates Enterobacteriaceae from other Gram-negative bacilli based on the ability of enteric bacilli to reduce litmus. It is...

Introduction of Eosin Methylene Blue (EMB) Agar EMB stands for Eosin Methylene Blue and EMB agar is a differential bacterial medium, which slightly inhibits the growth of Gram-positive bacteria and provides a color indicator distinguishing between organisms that ferment the lactose (e.g., E. coli, Klebsiella) and those that do not (e.g., Proteus, Salmonella, Shigella). This agar was originally devised by Holt Harris and Teague and further modified by Levine. The modified form is a combination of...

Introduction of LPCB Mount Footages of Various Fungi LPCB Mount Footages of Various Fungi is the collection of fungal elements encountered during LPCB mount microscopy of a variety of clinical specimens. LPCB stain stands for lactophenol cotton blue and it is a combination of fixative, staining, and clearing agent. LPCB uses both as a mounting fluid and a stain. This is used for staining and microscopic identification of fungi. Its contents functions are as follows- Lactic acid: It...