Sentence examples for accumulate concentrations from inspiring English sources

Just as botanists have been scouring the plant world for promising drugs, now they are seeking particular species that have evolved the ability to target roots at hot spots of a variety of toxic heavy metals and other elements in soil and accumulate concentrations so high that some of them, when dried, are up to 5percentt metal by weight.

In the process their fatty tissues accumulate concentrations of PCBs, methylmercury, and other contaminants at about 10 times the density of native mussels, giving the fish and waterfowl that feed on them an extra shot of biomagnified poison.

Halophytes are plants that can survive high concentrations of electrolytes in their environments and are unique in their ability to accumulate concentrations of salts in their leaves that equal or exceed those of seawater without detrimental effects (Flowers et al. 1977).

Those chemicals that have "hitched a ride on plastics" may sometimes be found "in accumulated concentrations that may be harmful to humans", says Halden.

There is no clear temperature dependence on the accumulated concentrations.

Accumulated concentrations of active chlorine, hydrogen peroxide, MO removal rate, TOC, pH value were recorded at different current densities.

However, factors that usually were taken into account include weather conditions, population density, time of day, and uncertainty about the chemicals involved and/or the accumulating concentrations in public areas.

This suggests that XlnR responds to the presence of accumulated concentrations of l-arabinose or a conversion product.

We found that premalignant-MCF10 cells were capable of accumulating concentrations of copper similar to those found in patient tissues (Table 1) and contained at least 16 fold more copper than cells cultured in standard media.

Open image in new window Fig. 4 Accumulated concentration of heavy metals leached from porous concretes: a chromium, b lead, c cadmium, d arsenic, e copper and f mercury.

The accumulated concentration of H2 after 9 months of incubation is enough to possibly sustain the survival of some strains of methanogenic archaea [41] but the rates of formation are probably too low to sustain any growth.