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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.
10 min read 
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.
9 min read 
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
10 min read 
Ziehl Neelsen stinging method is used to differentiate between the acid-fast and non-acid fast bacteria.
4 min read 
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.
4 min read 
Kinyoun method also known as Kinyoun stain (cold method), was first developed by Joseph J. Kinyoun.