Copper(II) coordination to ligands immobilized on photoluminescent porous silicon |
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Authors: | Ottenberg Corey M McDonald F Crisp O'Donnell Evan T Skrabal Stephen A White David P |
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Institution: | aaiPharma, Inc., 2320 Scientific Park Drive, Wilmington, North Carolina 28405, USA. |
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Abstract: | Increased preorganization can be achieved by immobilizing ligands on solid supports. Photoluminescent porous silicon, which can undergo facile hydrosilylation, was used as a support for open chain neutral N- and O-donor ligands. The abilities of these ligands to bind the divalent metal ions Ni(2+), Cu(2+), Zn(2+), and Pb(2+) are examined. Immobilized ligands selectively complexed Cu(II) over the other metal ions studied. Ligands immobilized on photoluminescent porous silicon also removed a significant amount, up to 98%, of Cu(II) from copper(II)-spiked, organic-rich, seawater samples. |
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