title: Femtogram mass resolution in a liquid environment using a low loss vacuum-gapped quartz crystal resonator.
abstract: The well-known dependence of Q on liquid damping effect has been significantly reduced through an acoustic energy loss isolation layer and a sensing diaphragm supported by microposts, which reduce the direct contact area at the interface between the resonator and surrounding liquid.
authors.affiliation: Department of Electrical and Computer Engineering, University of Missouri, Columbia, MO, USA.
authors.forename: Christopher
authors.initials: C
authors.lastname: Kirkendall
authors.forename: Jae Wan
authors.initials: JW
authors.lastname: Kwon
mesh_terms: D004867:Equipment Design; D008962:Models, Theoretical; D058525:Quartz Crystal Microbalance Techniques / Q000295:instrumentation*; D014618:Vacuum