Gram's Procedure (Noun)
Meaning
A staining technique used to classify bacteria; bacteria are stained with gentian violet and then treated with Gram's solution; after being decolorized with alcohol and treated with safranine and washed in water, those that retain the gentian violet are Gram-positive and those that do not retain it are Gram-negative.
Classification
Nouns denoting acts or actions.
Examples
- The microbiologist used Gram's procedure to identify the type of bacteria present in the sample.
- Gram's procedure is a widely used staining technique in microbiology to classify bacteria into two main groups: Gram-positive and Gram-negative.
- The student carefully followed the steps of Gram's procedure to ensure accurate results in her lab experiment.
- The bacteria that retained the gentian violet stain after Gram's procedure were identified as Gram-positive, while those that did not were classified as Gram-negative.
- Gram's procedure involves a series of steps, including staining with gentian violet, decolorizing with alcohol, and counterstaining with safranine, to differentiate between Gram-positive and Gram-negative bacteria.