Plasma desorption mass spectroscopy of thiol-passivated gold nanoparticles Y. Tai, J. Murakami, K. Saito, M. Ikeyama, K. Tajiri, M. Watanabe, S. Tanemura and T. Mizota Eur. Phys. J. D, 24 1-3 (2003) 261-263 Published online: 03 July 2003 DOI: 10.1140/epjd/e2003-00107-8