Although simple stains are useful, they do not reveal details about the bacteria other than morphology and arrangement. The Gram stain is a differential stain commonly used in the microbiology ...

Bacterial vaginosis is confined to an asymptomatic ... solution (positive whiff or sniff test). As an alternative, Gram-stain-based microbiological diagnosis of BV has been proposed.

Most species of bacteria can be broadly divided into two groups, known as gram-positive and gram-negative. These categories reflect big differences in the microbes' biology, and they also dictate ...

“Gram stains show whether the bacteria in urine samples are gram positive or negative by staining them purple or pink,” says Miyatsuka. “Only the most experienced technicians can make ...

The most important endospore-forming bacteria are members of the genera Bacillus and Clostridium, both of which are Gram-positive rods ... of endospores in a bacterial culture can be detected by ...