The phrase "as marker for" is not correct in standard written English.
It seems to be a truncated version of a more complete phrase, such as "as a marker for" or "serving as a marker for."
Example: "The color red is often used as a marker for danger in various contexts."
Alternatives: "as an indicator of" or "serving as a sign for."
And it would shock the Putin team and serve as marker for the Russian electorate.
Both tumors showed negative staining for CD68 as marker for tumor-associated macrophages [31].
Consequently, we double labeled the optic nerve with patient's serum and anti-MOG antibodies as marker for oligodendrocytes.
Furthermore, abnormal CRP values as marker for infections were also more common within the secondary headache group.
The results of modelling have been qualitatively confirmed by Ion Chromatography using sulfate as marker for deposited particles.
Moderation by change in appetite with increased appetite as marker for depression with atypical features — was also tested.
We confirmed that GhSERK1 can be used as marker for estimating the somatic embryogenesis ability of cotton plants.
For VH used as marker for urea, no statistically significant increase was observed in any of the groups 90 days after 177Lu-octreotate administration.
We assessed creatinine and cystatin C as markers for renal glomerular filtration rate and troponin I as marker for cardiac muscle tissue injury.
imparting characteristic green/grassy aroma and used as marker for green/grassy aromatics (Abegaz et al. 2004; Chambers and Koppel 2013; Baldwin et al. 2004).
Four dry sows were used in a 4 × 4 Latin Square design and gastric emptying parameters as lag phase and gastric emptying half time was measured using 13C-acetate as marker for the liquid phase and 13C-octanoic acid as marker for the solid phase.
