The phrase "a quantity of reference" is correct and usable in written English.
It can be used in contexts where you are discussing a specific amount or measure of something that serves as a reference point or standard.
Example: "In the study, we analyzed a quantity of reference data to ensure the accuracy of our results."
Alternatives: "a measure of reference" or "an amount of reference".
The sequence detection software generates a calibration curve of CT vs quantity of reference template, and then determines unknowns (quantities) by interpolation.
Five micrograms of aRNA from each sample (21 SLE patients and 45 healthy individuals) and the equivalent quantity of reference aRNA from a mixture of RNA extracted from peripheral blood of 45 healthy individuals were subjected to Cy3 and Cy5 labeling, respectively.
Five micrograms of aRNA from each sample (11 SLE patients and six healthy control individuals) and the equivalent quantity of reference aRNA from a mixture of RNA extracted from peripheral blood of 12 healthy women were subjected to Cy3 and Cy5 labeling, respectively.
Previous work suggests this can be done through the determination of a reference line in absolute units; however, the position and quantity of reference lines has not been investigated.
The T/S ratio was determined from the average quantity of reference DNA found to match with each experimental sample for the copy number of the targeted template (the number of telomere repeats for T and the number of beta-globin gene copies for S).
The distribution of different genotype clades in the tree order map is not exactly the same as the published result [18] mainly due to the initial group order and different quantity of reference genotype sequences, but the relative position and boundary indication of different genotypes clade is similar (Fig. 4).
Another strength of our weighted LD methodology is that it has relatively low requirements on the quality and quantity of reference populations.
This amount was then added to the sample containing the lowest amplified quantity of reference virus, corresponding to 0.001 TCID50 prior to the extraction step.
(A) Quantity of biofilm formation.
Secondly, the quality and quantity of references founded, which can be much different for different cases.
