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Acinetobacter baylyi is a nonmotile, gram-negative coccobacillus. It grows under strictly aerobic conditions, is catalase -positive, nitrate-negative, oxidase-negative, and non-fermentative. [ 5 ] [ 6 ] The species is naturally competent , meaning the bacteria can take up exogenous DNA from their surroundings.
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 ...
It is known in medicine as Gentian violet (or crystal violet or pyoctanin(e) [1]) and is the active ingredient in a Gram stain, used to classify bacteria. It is used as a pH indicator, with a range between 0 and 1.6. The protonated form (found in acidic conditions) is yellow, turning blue-violet above pH levels of 1.6. [4]
Crystal violet or gentian violet, also known as methyl violet 10B or hexamethyl pararosaniline chloride, is a triarylmethane dye used as a histological stain and in Gram's method of classifying bacteria.
MacConkey agar is culture medium designed to grow Gram-negative bacteria and stain them for lactose fermentation. It contains bile salts (to inhibit most Gram-positive bacteria), crystal violet dye (which also inhibits certain Gram-positive bacteria), neutral red dye (which stains microbes fermenting lactose), lactose and peptone.
The Folex Instant Carpet Spot Remover isn't your average stain spray. It's fragrance-free, and non-magnetic to help keep spots from reappearing over time. It's non-flammable and safe to use in ...
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