Gram's Method (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 applied Gram's method to identify the types of bacteria present in the sample.
- Gram's method is a widely used staining technique for differentiating bacteria based on their cell wall structure.
- To determine whether the bacteria were pathogenic, the researcher used Gram's method to classify them as Gram-positive or Gram-negative.
- The student mixed a bacterial culture with gentian violet and Gram's solution in a laboratory exercise to demonstrate Gram's method.
- By applying Gram's method, the researcher could distinguish between the Gram-positive cocci and Gram-negative bacilli in the culture.