Attogram detection using nanoelectromechanical oscillators

By B. Ilic, Harold G. Craighead, Slava Krylov, W. Senaratne, C. Ober, P. Neužil. 2004

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Toward single-molecule nanomechanical mass spectrometry (2005, methodology): “On the more applied side, nanomechanical systems have been used as mass sensors [9-11] gas sensors [12] and biosensors [13].”
Higher modes of vibration increase mass sensitivity in nanomechanical microcantilevers (2007, background): “Different sensor geometries and various materials are also used to measure small masses [3–5].”
Surface stress effects on the resonant properties of metal nanowires: The importance of finite deformation kinematics and the impact of the residual surface stress (2008, background): “We note that the present analysis was conducted on ideal, non-defective nanowires and thus did not consider factors that are known to deleteriously impact the resonant properties of nanostructures, including clamping losses, internal friction, surface losses and oxidation effects (Ekinci et al., 200”
Nonlinear damping in a micromechanical oscillator (2009, background): “Some key applications of microelectromechanical systems (MEMS) technology include magnetic resonance force microscopy (MRFM) [5, 6] and mass-sensing [7–10].”
Vacuum-Packaged Suspended Microchannel Resonant Mass Sensor for Biomolecular Detection (2006, background): “[13]–[15] In liquids, however, the mass sensitivity and frequency resolution of resonant sensors is degraded by the low quality factor and large effective mass that is induced by viscous drag.”