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Title: Selective binding of (thio)sulfate and phosphate in water by quaternary ammonium functionalized oligo-ureas

Journal Article · · ChemComm
DOI: https://doi.org/10.1039/c8cc09550g · OSTI ID:1492147

Recognition of (thio)sulfate and phosphate in aqueous solutions has been demonstrated by using oligo-urea-based receptors functionalized with quaternary ammonium groups. The ammonium groups allow for increased aqueous solubility while simultaneously providing positive coulombic interactions and stronger hydrogen bonding through an inductive effect. This simple and generally applicable modification provides an effective way to bolster the anion binding and water solubility of oligo-urea-based receptors. Finally, with a water soluble receptor 2, selective binding of adenosine phosphates was achieved at physiological pH.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1492147
Journal Information:
ChemComm, Journal Name: ChemComm Journal Issue: 12 Vol. 55; ISSN 1359-7345
Publisher:
Royal Society of ChemistryCopyright Statement
Country of Publication:
United States
Language:
English

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