Перевод и анализ слов искусственным интеллектом ChatGPT
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- примеры употребления (несколько фраз с переводом)
- этимология
g -cal gram - перевод на русский
![µm]] in diameter.](https://commons.wikimedia.org/wiki/Special:FilePath/Candida Gram stain.jpg?width=200 "µm]] in diameter.")
![Gram-stain of [[gram-positive]] [[streptococci]] surrounded by pus cells](https://commons.wikimedia.org/wiki/Special:FilePath/Gram-positive bacteria and pus cells.jpg?width=200 "Gram-stain of [[gram-positive]] [[streptococci]] surrounded by pus cells")
![Purple-stained [[gram-positive]] (left) and pink-stained [[gram-negative]] (right)](https://commons.wikimedia.org/wiki/Special:FilePath/Gram Staining Bacteria.jpg?width=200 "Purple-stained [[gram-positive]] (left) and pink-stained [[gram-negative]] (right)")
общая лексика
краситель Грама
общая лексика
окрашивание по Граму
общая лексика
метод окрашивания по Граму
Определение
Википедия
In microbiology and bacteriology, Gram stain (Gram staining or Gram's method), is a method of staining used to classify bacterial species into two large groups: gram-positive bacteria and gram-negative bacteria. The name comes from the Danish bacteriologist Hans Christian Gram, who developed the technique in 1884.
Gram staining differentiates bacteria by the chemical and physical properties of their cell walls. Gram-positive cells have a thick layer of peptidoglycan in the cell wall that retains the primary stain, crystal violet. Gram-negative cells have a thinner peptidoglycan layer that allows the crystal violet to wash out on addition of ethanol. They are stained pink or red by the counterstain, commonly safranin or fuchsine. Lugol's iodine solution is always added after addition of crystal violet to strengthen the bonds of the stain with the cell membrane.
Gram staining is almost always the first step in the identification of a bacterial group. While Gram staining is a valuable diagnostic tool in both clinical and research settings, not all bacteria can be definitively classified by this technique. This gives rise to gram-variable and gram-indeterminate groups.
