{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,20]],"date-time":"2025-10-20T18:10:16Z","timestamp":1760983816548,"version":"build-2065373602"},"reference-count":12,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2010,8,27]],"date-time":"2010-08-27T00:00:00Z","timestamp":1282867200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Micro- and nanomechanical resonators are widely being used as mass sensors due to their unprecedented mass sensitivity. We present a simple closed-form expression which allows a fast and quantitative calculation of the position and mass of individual particles placed on a micro or nano string by measuring the resonant frequency shifts ofthe first two bending modes. The method has been tested by detecting the mass spectrum of micro particles placed on a micro string. This method enables real-time mass spectrometry necessary for applications such as personal monitoring devices for the assessment of theexposure dose of airborne nanoparticles.<\/jats:p>","DOI":"10.3390\/s100908092","type":"journal-article","created":{"date-parts":[[2010,8,27]],"date-time":"2010-08-27T11:02:35Z","timestamp":1282906955000},"page":"8092-8100","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":66,"title":["Real-Time Particle Mass Spectrometry Based on Resonant Micro Strings"],"prefix":"10.3390","volume":"10","author":[{"given":"Silvan","family":"Schmid","sequence":"first","affiliation":[{"name":"Department of Micro- and Nanotechnology, Technical University of Denmark, DTU Nanotech, Building 345 East, DK-2800 Kongens Lyngby, Denmark"}]},{"given":"S\u00f8ren","family":"Dohn","sequence":"additional","affiliation":[{"name":"Department of Micro- and Nanotechnology, Technical University of Denmark, DTU Nanotech, Building 345 East, DK-2800 Kongens Lyngby, Denmark"}]},{"given":"Anja","family":"Boisen","sequence":"additional","affiliation":[{"name":"Department of Micro- and Nanotechnology, Technical University of Denmark, DTU Nanotech, Building 345 East, DK-2800 Kongens Lyngby, Denmark"}]}],"member":"1968","published-online":{"date-parts":[[2010,8,27]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"3618","DOI":"10.1063\/1.359562","article-title":"Adsorption-induced surface stress and its effects on resonance frequency of Microcantilevers","volume":"77","author":"Chen","year":"1995","journal-title":"J. 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