Parasporal Crystal Stain – Principle, Procedure, Result

Parasporal Crystal Stain

Production of parasporal crystals is a unique ability (among Bacillus species) of Bacillus thuringiensis. This stain is a means of rapid identification of the species.

Sudan Black B Staining – Principle, Procedure, Applications

Sudan Black B Staining

Sudan Black is a slightly basic dye and will combine with acidic groups in compound lipids, thus staining phospholipids also. An alternative stain to the Sudan Black B stain.

Lactophenol Cotton Blue Staining – Principle, Procedure, Result.

Lactophenol Cotton Blue Staining of aspergillus

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 Staining (ZN Staining) – Principle and Procedure, Result

Ziehl Neelsen Stain Principle, Procedure, Result.

Ziehl Neelsen stinging method is used to differentiate between the acid-fast and non-acid fast bacteria.

Bacterial Smear Preparation

bacterial smear

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 stain (Acid Fast Cold) Method – Principle, Procedure, Result

Kinyoun stain (Acid Fast Cold) Method: Principle, Procedure, Result

Kinyoun method also known as Kinyoun stain (cold method), was first developed by Joseph J. Kinyoun.

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