In microbiology, sodium tellurite can be added to the growth medium to isolate bacteria with an inherent physiological resistance to its toxicity.

Karp, upon breaking open his meteorites, was able to isolate bacteria.

Even without the threat of terrorism, isolating the viruses and bacteria - most are harmless, but some can be deadly - would greatly expand scientific understanding.

This medium is used to isolate bacteria belonging to the Arthrobacter genus among other bacteria genera.

Both Dr Laurent and Dr Blackwell thought that it was a virus infection but we could only isolate bacteria in our small microscopes.

Growth in stirred liquid media occurs as an even cell suspension, making the cultures easy to divide and transfer, although isolating single bacteria from liquid media is difficult.

The technique, called replica plating, is still in use and enables researchers to isolate bacteria that are resistant to compounds on the plates.

The project began in 1997, when Mr. Margiela asked a microbiologist to isolate bacteria, yeast and molds.

HE agar is designed to isolate and recover fecal bacteria belonging to the Enterobacteriaceae family.

So it is natural that the two young doctors have been isolating bacteria and experimenting with embryonic remedies for TB.