The phrase "as a single sample" is correct and usable in written English.
It can be used when referring to treating or analyzing something as one cohesive unit rather than multiple parts.
Example: "The data was collected as a single sample to ensure consistency in the results."
Alternatives: "as one unit" or "as a whole".
The whole group of students was therefore analysed as a single sample.
Five units of the same batch of production of carbonated and uncarbonated bottled waters of eight brands produced in Ethiopia were collected to be analyzed as a single sample.
Because each GPS data point could be considered as a single sample case, and multiple samples with unequal sizes were collected from each person, a random effects regression model is constructed to consider unobserved heterogeneity among drivers [26, 27].
Up to 2.0 mg of precipitate has been run as a single sample with no detectable ill-effects such as poor combustion, double peaks or extended peak tailing during isotopic analysis.
A simple trigger was implemented to conduct clipping to get each hammering sound as a single sample and the hammer head was painted in red in order to be tracked so that the Cartesian coordinates of each sample could be collected.
For each animal (n = 7 8/group), this tissue was treated as a single sample.
A new probe design is presented for obtaining homonuclear, heteronuclear, and inverse detected NMR spectra from more than one sample in the same total data acquisition time as for a single sample, thus increasing data acquisition efficiency.
An array of closely spaced sensors, effectively operating as a single sampling point, which processes sound and allows distances to sounds of interest to be obtained is the ideal tool.
Multiple detections of the same individual were modeled as counts during a single sample [ 87].
In fact, the human gut microbiota samples did not contain a single sample with as many unassigned reads as any guinea pig sample.
Like the multiplex TFs assay, the MIA-TF method also can be used to determine the activation of different TFs using a single sample as long as it is combined with antibodies labeled with different fluorescent quantum dots.
