The phrase "a single specimen in" is correct and usable in written English.
It can be used when referring to one example or instance of something within a larger context, often in scientific or academic writing.
Example: "In the study, a single specimen in the collection was analyzed to determine its genetic makeup."
Alternatives: "one example in" or "a lone specimen in".
"It's just a single specimen in a very special context.
Henry H. Slater reported that he saw a single specimen in south western Rodrigues during his three-month stay to observe the 1874 Transit of Venus, and assistant colonial secretary William J. Caldwell saw several specimens in 1875 during his own three-month visit.
Norovirus was the confirmed etiologic agent in 61 outbreaks (50%) and was detected in a single specimen in 16 outbreaks (13%).
The tumour was excised as a single specimen in 94.4% of patients, but one or more re-excisions proved necessary in 37% of patients.
Figure 1 d) illustrates the post stain image of a single specimen in which it was unknown whether there was presence of malignant tissue.
In another study analyzing a single specimen in 46 subjects from ICUs, Digby et al. [ 41] observed that serum BG levels were elevated on average in all patients with either fungal or bacterial infection, even though hemodialysis as a source of false-positivity may be a factor in these observations.
Only two life drawings exist, both of a single specimen held in captivity in the 1770s.
At present it contains the single species Protomycena electra, known from a single specimen collected in an amber mine in the Cordillera Septentrional area of the Dominican Republic.
Sitta przewalskii was first scientifically described in 1891 by Russians Mikhail Mikhailovich Berezovsky and Valentin Bianchi based on a single specimen obtained in the Haidong Prefecture, in Eastern Qinghai.
The most notable example is a partially preserved vertebral column of a single specimen, excavated in the Antwerp basin, Belgium by M. Leriche in 1926.
This species is only known from a single specimen derived in the laboratory from a specimen of dung of the North American porcupine, Erethizon dorsatum, collected in Ontario, Canada.
