Gram 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 laboratory technician used the Gram method to identify the type of bacteria that was causing the patient's infection.
- The Gram method is a widely used staining technique in microbiology that helps to distinguish between Gram-positive and Gram-negative bacteria.
- By applying the Gram method, the researcher was able to classify the newly discovered bacteria as Gram-positive due to its ability to retain the gentian violet stain.
- The microbiology textbook described the Gram method as a crucial tool for identifying bacteria and understanding their cell wall structures.
- The Gram method is typically performed in conjunction with other diagnostic tests to confirm the identity of a bacterial isolate.