The phrase "assayed for over" is not correct in standard written English.
It seems to be an incorrect combination of words, possibly intended to convey a meaning related to testing or examining something for a duration.
Example: "The samples were assayed for over a month to determine their purity."
Alternatives: "tested for more than" or "examined for over".
Moreover, we were able to use the bacterial system to produce proteins of the required concentration and purity to perform immuno assays for over 72% of the proteins in the F. tularensis proteome.
St Jude uses the DMETPlus Array (an array designed to assay for over 1,900 variants in genes relevant to the absorption, distribution, metabolism and excretion of prescribed medications), along with a CYP2D6 copy number assay.
LSPCs were incubated in 90% mouse serum at 37°C and assayed for degradation over time.
The purified β-galactosidase enzyme preparation was assayed for activity over a broad temperature range and KCl and NaCl concentrations.
An equal number of untransduced (parental), shScramble, sh742 and sh528 cells were seeded in 96-well plates and assayed for proliferation over five days using the MTT assay.
They use a dataset of over 70,000 virus samples, isolated from HIV-1 subtype B infected individuals, assayed for in vitro replicative capacity alone or under drug selection.
The US National Cancer Institute (NCI) pioneered these efforts by assembling the NCI60 tumour cell line panel, which, to date, has been assayed for its sensitivity to over 130 000 compounds and has been extensively profiled at the biological level (Shoemaker, 2006).
8 Samples were assayed for serum creatinine over a 19-month period with two different batches of the tri-level Internal Quality Control (IQC) material.
A subset of cat2 double mutants with either strongly enhanced or reduced cell death were grown on plates for 14 days and assayed for photosynthetic efficiency over a period of 7 days after shifting to continuous light conditions (Fig. 3. NB, these growth conditions were different from the ones in Fig. 1 and Table 1).
We assayed for cilia-driven flow over the surface of the embryo using colored beads and then genotyped the embryos.
