Hans christian gram 1884 letter stencils

Types of staining techniques in microbiology

Hans Christian Joachim Gram (13 September – 14 November ) was a Danish bacteriologist noted for his development of the Gram stain, still a standard technique to classify bacteria and make them more visible under a microscope.


hans christian gram 1884 letter stencils

What is simple staining in microbiology

Gram staining is an empirical method of differentiating bacterial species into two large groups (Gram-positive and Gram-negative) based on the chemical and physical properties of their cell.

Simple staining techniques

This chance observation made by Gram during his first two weeks in Friedlfinder's laboratory led to the development of what is now called the Gram-stain.

Simple staining procedure pdf
The Gram stain was first used in by Hans Christian Gram (Gram,).