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Updated: Jul 5, 2026
12:39
Gold Nanostar Synthesis with a Silver Seed Mediated Growth Method
Published on: January 15, 2012
Silver and gold NMR.
1Department of Biochemistry Molecular Biology and Biophysics, Medical School University of Minnesota, 5-130 BSBE, Building 312 Chumh Street SE Minneapolis MN 55455 USA.
Metal-Based Drugs
|May 14, 2008
Summary
Investigating silver-109 nuclear magnetic resonance (NMR) spectroscopy reveals challenges due to low sensitivity and long relaxation times. This review covers limitations and techniques for studying silver NMR, including chemical shift and coupling data.
Area of Science:
- Inorganic Chemistry
- Spectroscopy
- Nuclear Magnetic Resonance
Background:
- Silver and gold are Group IB transition metals with distinct nuclear magnetic resonance (NMR) properties.
- Gold-107 has a spin of 3/2, preventing NMR investigation, while silver-109 has a spin of 1/2.
- Direct silver NMR detection is limited by low sensitivity and long relaxation times, requiring high concentrations.
Purpose of the Study:
- To review the limitations of silver-109 NMR spectroscopy.
- To discuss techniques for overcoming these limitations.
- To summarize available chemical shift and scalar coupling data for silver-109.
Main Methods:
- Review of existing literature on silver NMR.
- Analysis of factors affecting silver NMR sensitivity and relaxation.
- Compilation of reported chemical shift and coupling constant data.
Main Results:
- Silver-109 NMR is feasible but challenging due to inherent spectroscopic properties.
- Low sensitivity and long relaxation times necessitate high sample concentrations.
- Existing data on silver-109 chemical shifts and couplings are summarized.
Conclusions:
- Silver-109 NMR presents significant challenges that limit its widespread application.
- Advanced techniques and high concentrations are required for successful silver NMR studies.
- This review provides a valuable resource for researchers in silver NMR spectroscopy.
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