The phrase "a sample of bacteria" is correct and usable in written English.
It can be used in scientific contexts, particularly in microbiology or laboratory settings, when referring to a small quantity of bacteria taken for analysis or experimentation.
Example: "The researcher collected a sample of bacteria from the contaminated water source to study its effects on human health."
Alternatives: "a bacterial specimen" or "a culture of bacteria."
For in vivo experiments in 40 volunteers, a 9-cm2 area of the dorsum of each hand was wiped with a sterile cotton swab to obtain a sample of bacteria for culture.
Science is still picking apart the responsible microbial parties and their habits and talents – often researchers start with a list of molecules in a cheese and a sample of bacteria and must study the second to see how they yield the first.
A sample of bacteria matching the contaminant that had sickened the town residents was found in a Rajneeshpuram medical laboratory.
Carpenter reveals that the "Purity Control" flask contains a sample of bacteria that doesn't exist anywhere in nature and can only be described as extraterrestrial.
A sample of bacteria adapted to low pH was obtained as described above.
A sample of bacteria obtained after ∼24 h of growth in P0 was serially passaged under identical conditions, and these serial passages will be referred to as P1, P2, etc.
For calibration purposes a sample of each bacteria was heated for 10 min at 96 °C as a positive control.
Once a sample of the bacteria had been deposited at a B.G.I. research laboratory in Hong Kong, it took just three days for the team there to sequence the bacterial genome; as the work progressed, company researchers posted details on Twitter.
Reich sent a sample of the bacteria to a Norwegian biologist, Theodor Thjøtta of the Oslo Bacteriological Institute, who also blamed airborne infection.
Although these analyses can be applied to a sample of cultured bacteria following the classic dilution and plating based methodology, FCM offers real measurements for each cell assessed, and in less time.
To uncover this grisly mechanism, scientists first killed a sample of the bacterium Pseudomonas aeruginosa using a solution of silver nitrate.
