The inhibition of U binding at
the cell surface, and subsequent uptake, by C. demersum, with increasing
Ca and/or Mg concentration, may be explained in terms of
(i) competition between Ca2+/Mg2+ and UO2
2+ (and/or UO2OH+)
for physiologically active sites at the cell surface, and/or (ii) electrostatic
effects at the cell surface, where increased concentrations of
The inhibition of U binding atthe cell surface, and subsequent uptake, by C. demersum, with increasingCa and/or Mg concentration, may be explained in terms of(i) competition between Ca2+/Mg2+ and UO22+ (and/or UO2OH+)for physiologically active sites at the cell surface, and/or (ii) electrostaticeffects at the cell surface, where increased concentrations of
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