Abstract
The desorption and ionization of gold anions and cations from gold nanorods and nanospheres were investigated using a matrix-assisted laser desorption/ionization mass spectrometry instrument. The signal intensities of the gold anions from nanorods with a volume of 4.8 × 103nm3 were about 28 times larger than the signal intensities of gold anions from nanospheres of similar volume. Gold cations did not show a remarkable difference depending on the nanoparticles' shapes. The unique desorption behavior of gold anions suggests their potential as reporter ions in mass spectrometry.
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Schedule a callMore From: Analytical sciences : the international journal of the Japan Society for Analytical Chemistry
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