The phrase "as a control which" is correct and usable in written English.
It can be used in contexts where you are describing something that serves as a standard or benchmark for comparison or measurement.
Example: "The experiment was designed with a placebo as a control which allowed us to measure the effectiveness of the new drug."
Alternatives: "as a benchmark that" or "as a standard which".
The impulses can be viewed as a control which compensates the influence of external forces and vice versa.
The mice were randomly assigned to six groups (five mice/group); one group was assigned as a control which received untreated B16F10 cells.
GNR-UDT is used here as a control which has the same chain length with GNR-MUA but uncharged terminal group.
The entire system acts as a control which switches between the attractors A 0, A 1, A 2, and A 3. The receiver also consists of four chaotic subsystems which have to be identical and synchronized with the transmitter side.
DMSO, instead of IBMX or W-7, was added to the culture as a control, which had no effect on enzyme activities and hyphal growth (Sakamoto et al. 2010).
The spectrum of a simple mixture of PLL-BNNT dispersion with the solution of folic acid, without reaction induced by EDC, was obtained as a control which showed that both the peaks and the shoulder peak of the folic acid were detectable at the same wavelength as that of the "free" folate.
Primers targeting PTTG1 exon2 were used as a negative control, which produced a positive amplification in the input sample and a negative amplification in the FoxM1 ChIP sample.
IGF was included as a positive control, which induced an 80% (P < 0.05) increase in proteoglycan synthesis.
A scrambled siRNAs were used as a negative control, which show no significant homology to known gene sequences and did not regulate gene expression.
We used biotin as a negative control, which under our assay condition precipitated a small amount of p97, presumably due to non-specific interaction.
A standard transformation system of P. chrysosporium was used as a positive control which has been reported earlier [ 11].
