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. Author manuscript; available in PMC: 2013 Mar 1.
Published in final edited form as: Nat Nanotechnol. 2012 Aug 26;7(9):602–608. doi: 10.1038/nnano.2012.119

Figure 3. Joint probability distributions for analyte mass and position-of-adsorption.

Figure 3

a, Experimental data of 5nm gold nanoparticles from the MALDI experiment. Each analyte captured by the NEMS resonator has an error disk that reveals its uncertainty in its mass and position-of-adsorption on the NEMS resonator. b, Monte-Carlo simulations of 5 and 10nm gold nanoparticles assuming a much lower size variance (~2%, no clustering) than the actual samples (~15–20%, with clustering). These simulations reveal the respective mass “bands” that would be expected for nearly monodisperse gold nanoparticle distributions.