Difference between revisions of "Gram Stain"
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| − | + | Gram staining is a quick procedure used to look for the presence of bacteria in tissue samples and to characterise bacteria as Gram-positive or Gram-negative, based on the chemical and physical properties of their cell walls.<ref name="rf1">Bergey, David H.; John G. Holt; Noel R. Krieg; Peter H.A. Sneath (1994). Bergey's Manual of Determinative Bacteriology (9th ed.). Lippincott Williams & Wilkins.</ref> The Gram stain should almost always be done as the first step in diagnosis of a [[Treat a Bacterial Infection|bacteria infection]]. | |
The Gram stain is named after the Danish scientist [[wikipedia:Hans_Christian_Gram|Hans Christian Gram]] (1853 – 1938), who developed the technique in 1882 and published it in 1884 as a technique to discriminate between two types of bacteria with similar clinical symptoms: ''Streptococcus pneumoniae'' (also known as the pneumococcus) and ''Klebsiella pneumoniae'' bacteria.<ref name="rf2">Gram, HC (1884). "Über die isolierte Färbung der Schizomyceten in Schnitt- und Trockenpräparaten" (in German). Fortschritte der Medizin 2: 185–9.</ref> | The Gram stain is named after the Danish scientist [[wikipedia:Hans_Christian_Gram|Hans Christian Gram]] (1853 – 1938), who developed the technique in 1882 and published it in 1884 as a technique to discriminate between two types of bacteria with similar clinical symptoms: ''Streptococcus pneumoniae'' (also known as the pneumococcus) and ''Klebsiella pneumoniae'' bacteria.<ref name="rf2">Gram, HC (1884). "Über die isolierte Färbung der Schizomyceten in Schnitt- und Trockenpräparaten" (in German). Fortschritte der Medizin 2: 185–9.</ref> | ||
