The Gram staining method was first described in 1844 by the Danish bacteriologist Hans Christian Gram, after whom the test was named. The Gram staining test for bacteria is one of the most important tests in microbiology and is often one of the first tests performed in the identification of bacteria. The Gram staining method utilises the properties of bacterial cell walls and the stain crystal violet. Gram-positive microorganisms have a higher peptidoglycan and lower lipid content than Gram-negative bacteria in their cell walls and this makes them capable of retaining the Gram stain. This kit is supplied with two strains of bacteria and all the necessary components to carry out the Gram staining.
- Stain two strains of bacteria with Gram stain
- Understand the principle of Gram staining
- Understand the role of Gram stain in clinical diagnostics
Also required: Shaking incubator, Bunsen burner, and microscope.
Delivery information: Supplied with components needed for hands-on experimentation for six workstations of 4 to 5 students or 24 to 30 students. Supplied with Teacher’s Guide and separate Student’s Guides.