Sentence examples for present in concentrations of from inspiring English sources

It is shown that the metal ions, even when present in concentrations of ≈1 mM, produce significant improvements to the voltammetry of the organic compounds.

Fluoride present in concentrations of 1.5 2.0 mg/L in drinking water gives rise to mild dental fluorosis, while values exceeding 2.0 mg/L may cause dental and skeletal fluorosis (WHO 1994).

B. subtilis 168 has a metabolic pathway by which it can reduce Cr VI) to the much less toxic Cr III) that functions when chromate ions are present in concentrations of up to 0.5 mM (Garbisu et al. 1998).

When present in concentrations of 0.5 to 5 wt% biomass, these surfactants can increase hydrolysis yields for a given enzyme loading.

The non-protein amino acid γ-aminobutyric acid (GABA) is the chief inhibitory neurotransmitter and is present in concentrations of between 1 10 mM in the brain (Young & Chu, 1990).

Decabromodiphenyl ether is present in concentrations of 5 pmol/g lipid weight (lw) in the personnel dismantling electronics; these concentrations are comparable to the concentrations of 2,2',4'-tetraBDEBDE.

Metformin is an environmental contaminant, ends up in some plants, can be even highly enriched in seeds and may be present in concentration of 1 to 3 μg/L in our drinking water.

Recently, there has been significant focus on the potential of marine bacterioplankton to utilize dissolved organic phosphates (DOP), present in concentrations dwarfing those of inorganic phosphates [3].

Metallic trace elements, such as zinc, copper, and cobalt, are present in concentrations exceeding those of normal seawater by about 1,000 times.

Tat is present in concentrations in the serum of HIV-infected patients approximating the in vitro antiapoptotic doses.

It is present in uranium ores in concentrations of 100 micrograms per metric ton.