The phrase "are characterized as containing" is correct and usable in written English.
You can use it when describing the features or qualities of something, particularly in academic or formal contexts.
Example: "The samples are characterized as containing high levels of antioxidants, which contribute to their health benefits."
Alternatives: "are described as having" or "are identified as including".
These results demonstrate that, in glial cells, REST and CoREST primarily target genes that have not previously been characterized as containing RE1 motifs.
The wide swath of the corona radiata that we identified as being linked to dangerous activities connects the cortex with the brainstem and spinal cord, and can therefore be characterized as containing the tracts that connect thought to action.
Meningiomas was the first solid tumor to be characterized as containing a specific genetic aberration, which is monosomy 22 [ 5].
SootH and DEP particles were similar in terms of low surface toxicity; both were characterized as containing about 20% organic carbon (OC; Stoeger et al. 2006).
Thiomers, yet another group of synthetic polymers, are characterized as polymers containing a thiol moiety within their chemical structure; the presence of the thiol moiety allows for the formation of disulfide bonds between the cysteine groups, of the P-gp pump, for example, α-chitosan-thiobutylamidine [ 75].
Considering that leaves and stamens contain 1.5- to 2-fold more MGDG than DGDG, petals are characterized as floral organs containing more DGDG (Nakamura et al., 2003).
Microcystins (MCs) are the most commonly occurring class of cyanbacterial toxin, and are characterized as cyclic heptapeptides containing five D-amino acids and two variable L-amino acids.
OrthoMCL gene family clusters are characterized as orthologous groups containing proteins related by either orthology (representing recent descent), inparalology (representing recent duplication) or co-orthology (representing recent descent and duplication).
In this model, as the prediction errors of renewables are characterized as fuzzy parameters, the related constraints correspondingly contain fuzzy variables which need to be tackled properly.
Sibu Laut River and its tributaries are characterized as hypertrophic status as the whole system contained more than 0.400 mg TN l−1.
