Uncharged organic molecule can bind negatively charged ions

Indiana University Bloomington chemists have designed an organic
molecule [http://www.theanalystmagazine.com/pr/7010228.htm] that
binds negatively charged ions, a feat they hope will lead to the
development of a whole new molecular toolbox for biologists, chemists
and medical researchers who want to remove chlorine, fluorine and
other negatively charged ions from their solutions.

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