Interrelation of physicochemical, spectral, and biological properties of self-organized multi-component aqueous systems based on N-(phosphonomethyl)glycine in the low concentration range

The relationship between non-monotonic concentration dependencies of the size of the dispersed phase (nanoassociates), physicochemical properties (specific electrical conductivity, pH), and fluorescence intensity (lambda(ex) 225 nm, lambda(em) 340 nm) of a multi-component dispersed system based on herbicide N-(phosphonomethyl)glycine and its effect on the development of some hydrobionts and on the inhibition of Triticum vulgare wheat root growth in the range of calculated concentrations 1.10(-19)-1.10(-3) g L-1 is established for the first time. The obtained results indicate that coherent changes in fluorescence intensity, physicochemical properties, and bioeffects are related to the rearrangement of nanoassociates which accompanies the dilution of the systems.

Automated summary

This study identifies, for the first time, the relationship between the non-monotonic concentration dependencies of size, physicochemical properties, and fluorescence intensity in a multi-component dispersed system based on the herbicide N-(phosphonomethyl)glycine. The results suggest that coherent changes in fluorescence intensity, physicochemical properties, and bioeffects are associated with the rearrangement of nanoassociates during system dilution.