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  2. Gram stain - Wikipedia

    en.wikipedia.org/wiki/Gram_stain

    A Gram stain of mixed Staphylococcus aureus (S. aureus ATCC 25923, gram-positive cocci, in purple) and Escherichia coli (E. coli ATCC 11775, gram-negative bacilli, in red), the most common Gram stain reference bacteria. Gram stain (Gram staining or Gram's method), is a method of staining used to classify bacterial species into two large groups ...

  3. Bacterial taxonomy - Wikipedia

    en.wikipedia.org/wiki/Bacterial_taxonomy

    One prominent scientist who opposes the three domain system is Thomas Cavalier-Smith, who proposed that the Archaea and the Eukaryotes (the Neomura) stem from Gram positive bacteria (Posibacteria), which in turn derive from gram negative bacteria (Negibacteria) based on several logical arguments, [57] [58] which are highly controversial and ...

  4. Hans Christian Gram - Wikipedia

    en.wikipedia.org/wiki/Hans_Christian_Gram

    In Berlin, in 1884, Gram developed a method for distinguishing between two major classes of bacteria. [1] This technique, known as Gram staining, continues to be a standard procedure of medical microbiology. This work gained Gram an international reputation. The staining method later played a major role in classifying bacteria. Gram was a ...

  5. File:Acid Fast Stain.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Acid_Fast_Stain.pdf

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  6. Ziehl–Neelsen stain - Wikipedia

    en.wikipedia.org/wiki/Ziehl–Neelsen_stain

    These acids resist staining by ordinary methods such as a Gram stain. [9] It can also be used to stain a few other bacteria, such as Nocardia. The reagents used for Ziehl–Neelsen staining are carbol fuchsin, acid alcohol, and methylene blue. Acid-fast bacilli are bright red after staining. [citation needed]

  7. Gram staining - Wikipedia

    en.wikipedia.org/?title=Gram_staining&redirect=no

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  8. Clinical pathology - Wikipedia

    en.wikipedia.org/wiki/Clinical_pathology

    Hematology: Blood smears on a glass slide, stained and ready to be examined under the microscope. Bacteriology: Agar plate with bacterial colonies. Bacteriology: microscopic image of a mixture of two types of bacteria stained with the Gram stain.

  9. Gram-staining - Wikipedia

    en.wikipedia.org/?title=Gram-staining&redirect=no

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