Hormetic dose responses induced by lanthanum in plants.
作者： Evgenios Agathokleous , Mitsutoshi Kitao , Edward J. Calabrese
DOI: 10.1016/J.ENVPOL.2018.10.007
关键词:
摘要: Abstract Rare earth elements (REEs) have recently received particular attention due to their accumulation in the environment. Such heightened recognition prompted our evaluation of possible occurrence La-induced plant hormesis peer-reviewed literature. This study revealed 703 hormetic concentration/dose responses plants, which were quantitatively and qualitatively assessed. The maximum (MAX) biological response low La concentrations/doses is commonly below 150% control response, with a geometric mean 142% at 56 μM (geometric mean). concentration no-observed-adverse-effect-level (NOAEL) was 249 μM. MAX:NOAEL distance 5-fold, 4.5-fold. Hormetic varied as per growth substrate pH, number NOAEL, time window. These results provide unique insight into effects doses on growth, well offer means for improving experimental designs assess dose effects.
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