QUASICHEMICAL DESCRIPTION OF THE CELL DEATH KINETICS OF CELLULAR BIOSENSOR SPIROSTOMUM AMBIGUA FOR TESTING THE BIOLOGICAL ACTIVITY OF AQUEOUS SOLUTIONS Article Goncharuk V.V., Syroeshkin A.V., Zlatskiy I.A., Uspenskaya E.V., Orekhova A.V., Levitskaya O.V., Dobrovolskiy V.I., Pleteneva T.V. Journal of Water Chemistry and Technology. Vol. 39. 2017. P. 97-102