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Modification and intercalation of layered zirconium phosphates: a solid-state NMR monitoring

Journal Article · · Magnetic Resonance in Chemistry
DOI:https://doi.org/10.1002/mrc.4568· OSTI ID:1533192
 [1];  [2];  [2];  [3];  [3];  [2]
  1. Texas A & M Univ., College Station, TX (United States); DOE/OSTI
  2. Texas A & M Univ., College Station, TX (United States)
  3. Univ. of Puerto Rico, Rio Piedras, PR (United States)
Several layered zirconium phosphates treated with Zr(IV) ions, modified by monomethoxy-polyethyleneglycol-monophosphate and intercalated with doxorubicin hydrochloride have been studied by solid-state MAS NMR techniques. The organic components of the phosphates have been characterized by the 13C{1H} CP MAS NMR spectra compared with those of initial compounds. The multinuclear NMR monitoring has provided to establish structure and covalent attachment of organic/inorganic moieties to the surface and interlayer spaces of the phosphates. Finally, the MAS NMR experiments including kinetics of proton-phosphorus cross polarization have resulted in an unusual structure of zirconium phosphate 6 combining decoration of the phosphate surface by polymer units and their partial intercalation into the interlayer space.
Research Organization:
Texas A & M Univ., College Station, TX (United States)
Sponsoring Organization:
National Science Foundation (NSF); Robert A. Welch Foundation; USDOE Office of Nuclear Energy (NE)
Grant/Contract Number:
NE0000746
OSTI ID:
1533192
Journal Information:
Magnetic Resonance in Chemistry, Journal Name: Magnetic Resonance in Chemistry Journal Issue: 7 Vol. 55; ISSN 0749-1581
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English

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