Anal. chim. acta Anal. chim. acta Intensity- and time-based strategies for micro/nano-sizing via single-particle ICP-mass spectrometry: A comparative assessment using Au and SiO2 as model particles Bazo Antonio Universidad de Zaragoza Bolea-Fernandez Eduardo Universidad de Zaragoza Rua-Ibarz Ana Universidad de Zaragoza Aramendía Maite Universidad de Zaragoza Resano Martín Universidad de Zaragoza 2024 research-article