IN 1884 a Dane, Christian Gram, while working in Berlin, discovered a method of staining micro-organisms which has gone under his name ever since that date1. Although the method is in daily use by ...

The Gram stain procedure was developed by Hans Christian Gram in the 1800s and ... The lipopolysaccharide endotoxin that resides in the outer membrane can cause a toxic reaction or strong immune ...

Hans Christian Gram, the inventor of the Gram staining technique, was a pioneering biologist who devised the system of classification which led to as many as 30,000 formally named species of ...

allergic reactions to sedatives; ... The takeaway. A sputum Gram’s stain is a quick, low-risk laboratory test. Your doctor can use the results to help diagnose the cause of respiratory symptoms.