The phrase "and the first sample" is correct and usable in written English.
It can be used when referring to an initial example or instance in a series of samples or data points.
Example: "In our analysis, we will focus on the results from the control group and the first sample to draw our conclusions."
Alternatives: "along with the initial sample" or "including the primary sample".
A summary of the performances will be given and the first sample of CNGS neutrino events, collected in August 2006, will be presented and discussed.
The sample IQR is equal to the difference between the third sample quartile (Q3) and the first sample quartile (Q1).
The isopach area between the maximum proximal ring height and the first sample box was then calculated as the isopach area for the proximal deposits.
The Stardust spacecraft performed "miraculously" last week during its white-knuckle plunge through comet Wild 2's cloud of dust and gas, retrieving what could become the first solar system sample returned to Earth in 30 years and the first sample ever returned from deep space.
In a verification setting, we use all possible combinations for matching genuine pairs and the first sample of each subject is chosen for imposter matches (5880 (210×8×7/2) genuine comparisons and 21945 (210×209/2) imposter comparisons) in order to evaluate the performance of the biometric hashing scheme.
Viral load was detectable in the first measurement in 16 patients but the levels were low (median 303 copies/mL; range 84 to 2200 copies/mL), and the time to first undetectable VL was rather short: the median time between HIV diagnosis and the first sample with "undetectable" viral load in these 16 patients was only 17.7 [9.2–38.6] months.
The F.B.I. rejected and destroyed the first sample because it had not been prepared according to a strict protocol that the F.B.I. says Dr. Ivins helped in devising.
Hjelm reduced the oxide with carbon and obtained the first sample of metallic molybdenum.
Seroconversion for IgG antibodies was demonstrated by IFA (7 ) and hemagglutination inhibition assay, with titers of 640 and 80 in the first sample and 2,560 and 320 in the second sample.
Total extracted GLY accumulated, with an increment between the last and the first sampling date of 54% and 82% during the crop cycle for NT and CT, respectively.
Then, the images are sorted in decreasing order of similarity (ranking) and the first samples are shown to the user.
