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@article{1365506,
author = {Benešová, Iva and Dlabková, Kristýna and Zelenák, František and Vaculovič, Tomáš and Kanický, Viktor and Preisler, Jan},
article_location = {WASHINGTON},
article_number = {5},
doi = {http://dx.doi.org/10.1021/acs.analchem.5b02421},
keywords = {Single particle inductively coupled plasma mass spectrometry; SP-ICPMS; substrate-assisted laser desorption; SALD; nanoparticles; sample introduction; laser},
language = {eng},
issn = {0003-2700},
journal = {Analytical Chemistry},
title = {Direct Analysis of Gold Nanoparticles from Dried Droplets Using Substrate-Assisted Laser Desorption Single Particle-ICPMS},
volume = {88},
year = {2016}
}
TY - JOUR
ID - 1365506
AU - Benešová, Iva - Dlabková, Kristýna - Zelenák, František - Vaculovič, Tomáš - Kanický, Viktor - Preisler, Jan
PY - 2016
TI - Direct Analysis of Gold Nanoparticles from Dried Droplets Using Substrate-Assisted Laser Desorption Single Particle-ICPMS
JF - Analytical Chemistry
VL - 88
IS - 5
SP - 2576-2582
EP - 2576-2582
PB - AMER CHEMICAL SOC
SN - 00032700
KW - Single particle inductively coupled plasma mass spectrometry
KW - SP-ICPMS
KW - substrate-assisted laser desorption
KW - SALD
KW - nanoparticles
KW - sample introduction
KW - laser
N2 - Single particle inductively coupled plasma mass spectrometry (SP-ICPMS) has been generally accepted as a powerful tool in the field of nanoanalysis. The method has usually been restricted to direct nanoparticle (NP) introduction using nebulization or microdroplet generation systems. In this work, AuNPs are introduced into ICPMS by substrate-assisted laser desorption (SALD) directly from a suitable absorbing plastic surface using a commercial ablation cell for the first time. In SALD, desorption of individual NPs is mediated using a frequency-quintupled Nd:YAG laser (213 nm) operated at a rather low laser fluence. Conditions including laser fluence, laser beam scan rate, and carrier gas flow rate were optimized in order to gain the highest AuNP transport efficiency and avoid AuNP disintegration within the laser irradiation. The method was demonstrated on a well-characterized reference material, 56 nm AuNPs with a transport efficiency of 61% and commercially available 86 nm AuNPs. Feasibility of our technique for NP detection and characterization is discussed here, and the results are compared with an established technique, nebulizer SP-ICPMS.
ER -
BENEŠOVÁ, Iva, Kristýna DLABKOVÁ, František ZELENÁK, Tomáš VACULOVIČ, Viktor KANICKÝ and Jan PREISLER. Direct Analysis of Gold Nanoparticles from Dried Droplets Using Substrate-Assisted Laser Desorption Single Particle-ICPMS. \textit{Analytical Chemistry}. WASHINGTON: AMER CHEMICAL SOC, 2016, vol.~88, No~5, p.~2576-2582. ISSN~0003-2700. Available from: https://dx.doi.org/10.1021/acs.analchem.5b02421.
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