Journal
ANALYST
Volume 140, Issue 18, Pages 6195-6209Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5an00943j
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Funding
- Bioorganic Chemistry Laboratory DS (Rzeszow University of Technology, Poland)
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Silver nanoparticles have been successfully applied as a matrix replacement for the laser desorption/ionization time-of-flight mass spectrometry (LDI-ToF-MS). Nanoparticles, producing spectra with highly reduced chemical background in the low m/z region, are perfectly suited for low-molecular weight compound analysis and imaging. Silver nanoparticles (AgNPs) can efficiently absorb ultraviolet laser radiation, transfer energy to the analyte and promote analyte desorption, but also constitute a source of silver ions suitable for analyte cationisation. This review provides an overview of the literature on silver nanomaterials as non-conventional desorption and ionization promoters in LDI-MS and mass spectrometry imaging.
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