Microbiology

Spoilage of Fish

Spoilage of fish is a process of deterioration in the quality of fish that changes its appearance, odour and taste. Fish spoilage can be caused by the breakdown of biomolecules like protein, amino acid and fats that are naturally found in the fish. Thus a fish can be spoiled by either chemical or biological degradation. …

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Endospore Staining

Endospore staining is a type of special staining method that makes the use of differential staining procedure to highlight the presence or absence of endospores. For the staining of endospores, a first article was published by Dorner in the year 1922. Later, the Dorner method of staining endospores has been modified by the two scientists, …

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Capsule Staining

Capsule staining is a type of differential staining method which creates contrast in the microscopic image either by staining bacterial cell and background or by staining the capsule only. Therefore, capsule staining can be done by two methods, namely positive and negative staining methods. Positive staining method either stain a capsule only or can stain …

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Simple Staining

Simple staining is one of the conventional methods of staining techniques. As from the name, it is quite clear that it is very simple and direct staining method which makes the use of a single stain only. The microorganism is invisible to the naked eye, therefore to make it visible, the staining is performed, which …

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Nucleotide

A nucleotide is a compound which can form a polynucleotide chain by uniting nitrogenous bases with hydrogen bonding and sugar-phosphate group by a phosphodiester bond. There is another term that refers as “Nucleoside” which consist of two components, mainly nitrogenous bases and pentose sugar. Therefore, nucleotides can also define as the structural compound, which includes …

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