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The Removal of Barium Ion from Solution using Datura innoxia Mill. Suspension Culture Cells

Genetics Group, Mail Stop M886, Life Sciences Div., Los Alamos National Lab., Los Alamos, NM 87545;
Fabrication and Assembly Group, Design Eng. Div., Los Alamos National Lab., Los Alamos, MN 87545.

^* Corresponding author.

ABSTRACT

Plant suspension culture cells derived from Datura innoxia (Mill.) anthers rapidly remove Ba²⁺ from solution. Free Ba²⁺ is removed as a result of a strong interaction with a component of the cell wall. Binding to this component occurs over a wide range of pH and salt concentrations and does not require active metabolism. Cells will remove Ba²⁺ from nutrient media or from waste solutions that cannot support cell growth. Implications for the use of plant cell suspension cultures to remove this and other toxic ions from industrial effluent are discussed.