The phrase "although only a single" is correct and usable in written English.
It can be used to introduce a contrast or limitation regarding a singular item or instance in a statement.
Example: "Although only a single attempt was made, the results were surprisingly effective."
Alternatives: "even if just one" or "despite being only one".
Behind the dunes is a sea meadow, although only a single pink flowering head of thrift remains, there is a swathe of dried, branched sea-lavender seed-heads.
Although only a single 60-line stanza will be sandwritten by the robot, the larger text explores a network of paradoxes, relationships and memory.
When asked: 'Did you not feel that at this stage perhaps you should have been taking a bit of an interest in what the sections were being issued with?' His reply, although only a single word, is illuminating.
Although only a single run was provided for each value, yet 10-fold cross validation ran the algorithm for 10 different subsets of the training and testing dataset.
A large number of data encoded in DNA molecules can be processed simultaneously by molecular biology techniques, although only a single set of instructions has been implemented in a solution.
Although only a single biotech therapeutic has been approved under the QbD paradigm so far, the tools and approaches that fall under these two concepts are well engrained in the work processes of most global pharmaceutical manufacturers.
Although only a single-tiered stand, the South Stand contains most of the ground's executive suites, and also plays host to any VIPs who may come to watch the match.
Much higher infection rates are known from other multiyear surveillance studies at lower latitudes, e.g., Delaware Bay (≈4.7%, [ 32]), southern Minnesota (10.8%, [ 5]), and Alberta (22.2%, [ 32]) and British Columbia in Canada (55%, although only a single-year study, [ 33]).
Although currently only a single gene is screened, there is clearly scope for the creation of multi-gene capture arrays, allowing large numbers of loci to be analyzed rapidly and cost-effectively with low DNA input requirements.
Although, if only a single chromosome was fitted σ R 2 would be much greater, the additive variance contributed by it would be only a fraction of the total and, as the example in Table 1 shows, the approximation remains good.
Although he blocked only a single shot, he stared down anyone who dared test him.
