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Bacterial Cell Wall

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Monthly Archives: November 2013

22 Nov

In 1884 the Danish physician Christian Gram developed a new type of stain known today as the gram stain.  He attempted to design a stain that differentiated bacterial cells from eukaryotic cells however he failed.  What resulted from his work … Continue reading

08 Nov

Capsular staining is a technique used to stain species of bacteria that are surrounded by an extracellular slime layer called a capsule or glycolayx.  This structure provides protection for bacteria such as streptococcus pneumoniae.  The capsule prevents phagocytic white blood … Continue reading