Microbiology Stains

Cryptococcus Neoformans Stain Intended use: Cryptococcosis specifically caused by Cryptococcus neoformans, is a subacute or chronic fungal infection. The purpose of the Indian ink preparation delineates the large capsule of C. neoformans. Principle: There exists mucopolysaccharide capsule around the bacterium cell, hence the presence of capsule can be confirmed with India ink wet mount preparations. The capsules of Cryptococcus neoformans replace India ink particles and will

TB Stain (Fluorescence Method) Intended use: For identification of acid-fast bacteria of the genus Mycobacterium, which includes the tuberculosis-causing Mycobacterium tuberculosis Principle: When the acid-fast bacteria are stained by fluorescent dye Auramine O, bright orange-yellow fluorescence can be easily detected by UV-fluorescence microscope under low magnification. It is faster to screen acid-fast bacteria using this fluorescence kit than the Carbolfuchsin stain.

What is Acid Fast Stain (Ziehl-Neelsen)? Intended for staining of acid-fast stain of Mycobacteria and other bacteria. This staining kit is based on the Ziehl-Neelsen stain (a carbofulfuchsin solution) recommended by the WHO. Acid-fast bacteria such as Mycobacterium tuberculosis and Mycobacterium leprae are difficult to stain because of their lipoid capsule in the cell wall. However, once the lipoid capsule is stained with an enhanced dye such as carbolfuchsin, the newly

What is Acid Fast Stain (Auramine O)? Intended for fluorescence staining of Mycobacteria and other bacteria. When the acid-fast bacteria are stained by fluorescent dye Auramine O, it would appear bright orange or yellow-green color by the fluorescence microscope with purple and blue light activated filter plate (Wavelength: 350~490nm). It can work with low magnification, so it will find acid resistant bacteria quickly. Staining Result The acid-resistant bacteria showed a

What is Acid Fast Stain (Kinyoun)? Intended for staining of acid-fast stain of Mycobacteria and other bacteria. This staining kit is based on the Ziehl-Neelsen stain (a carbofulfuchsin solution) recommended by the WHO. Acid-fast bacteria such as Mycobacterium tuberculosis and Mycobacterium leprae are difficult to stain because of their lipoid capsule in the cell wall. However, once the lipoid capsule is stained with an enhanced dye such as carbolfuchsin, the newly formed

What is Rapid Gram Stain? Intended for staining bacteria or fungal smear. The Gram staining method was founded by the Danish physician Gram in 1884. At that time, it was discovered that Gram-positive bacteria had thicker cell walls, more layers of peptidoglycan network and dense cross-linking, and they were stained by Gram Later, the complex of crystal violet and iodine can be firmly retained in the wall, and it is not easy to be removed by the decolorizing solution and still