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@article{1710116, author = {Prysiazhnyi, Vadym and Dyčka, Filip and Kratochvil, Jiri and Stranak, Vitezslav and Popok, Vladimir}, article_number = {1}, doi = {http://dx.doi.org/10.3390/applnano1010002}, keywords = {silver nanoparticles; nano-PALDI MS; SALDI MS; laser desorption}, language = {eng}, issn = {2673-3501}, journal = {Applied Nano}, title = {Effect of Ag Nanoparticle Size on Ion Formation in Nanoparticle Assisted LDI MS}, url = {https://www.mdpi.com/2673-3501/1/1/2/htm}, volume = {1}, year = {2020} }
TY - JOUR ID - 1710116 AU - Prysiazhnyi, Vadym - Dyčka, Filip - Kratochvil, Jiri - Stranak, Vitezslav - Popok, Vladimir PY - 2020 TI - Effect of Ag Nanoparticle Size on Ion Formation in Nanoparticle Assisted LDI MS JF - Applied Nano VL - 1 IS - 1 SP - 3-13 EP - 3-13 PB - MDPI SN - 26733501 KW - silver nanoparticles KW - nano-PALDI MS KW - SALDI MS KW - laser desorption UR - https://www.mdpi.com/2673-3501/1/1/2/htm L2 - https://www.mdpi.com/2673-3501/1/1/2/htm N2 - Metal nanoparticles (NPs) were reported as an efficient matrix for detection of small molecules using laser desorption/ionization mass spectrometry. Their pronounced efficiency is mostly in desorption enhancement, while, in some cases, NPs can facilitate charge transfer to a molecule, which has been reported for alkali metals and silver. In this work, we present the study of the influence of Ag NP size on the laser desorption/ionization mass spectra of a model analyte, the molecule of riboflavin. The NPs were produced by magnetron sputtering-based gas aggregation in a vacuum and mass-filtered before the deposition on substrates. It was found that the utilization of smaller Ag NPs (below 15 nm in diameter) considerably enhanced the molecule desorption. In contrast, the laser irradiation of the samples with larger NPs led to the increased ablation of silver, resulting in [analyte + Ag]+ adduct formation. ER -
PRYSIAZHNYI, Vadym, Filip DYČKA, Jiri KRATOCHVIL, Vitezslav STRANAK a Vladimir POPOK. Effect of Ag Nanoparticle Size on Ion Formation in Nanoparticle Assisted LDI MS. \textit{Applied Nano}. MDPI, 2020, roč.~1, č.~1, s.~3-13. ISSN~2673-3501. Dostupné z: https://dx.doi.org/10.3390/applnano1010002.
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