Modification and intercalation of layered zirconium phosphates: a solid-state NMR monitoring
Journal Article
·
· Magnetic Resonance in Chemistry
- Texas A & M Univ., College Station, TX (United States); DOE/OSTI
- Texas A & M Univ., College Station, TX (United States)
- 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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