Sentences with phrase «act at low concentrations»

Many of these toxins, such as botulinum neurotoxin and ricin, act at low concentrations and require highly sensitive assays for detection.

Not exact matches

Concentrations in the groundwater were typically at least one order of magnitude lower than the concentrations in the treatment plant effluent, suggesting that the soil generally acted as an effective biogeochemical filter, except during snConcentrations in the groundwater were typically at least one order of magnitude lower than the concentrations in the treatment plant effluent, suggesting that the soil generally acted as an effective biogeochemical filter, except during snconcentrations in the treatment plant effluent, suggesting that the soil generally acted as an effective biogeochemical filter, except during snowmelt events.

At lower concentrations they can act as pheromone and endocrine disruptors, while at higher concentrations they can be acutely toxic to invertebrateAt lower concentrations they can act as pheromone and endocrine disruptors, while at higher concentrations they can be acutely toxic to invertebrateat higher concentrations they can be acutely toxic to invertebrates.