Articles | Volume 2, issue 1
https://doi.org/10.5194/ar-2-21-2024
https://doi.org/10.5194/ar-2-21-2024
Opinion
 | 
27 Feb 2024
Opinion |  | 27 Feb 2024

Opinion: Should high-resolution differential mobility analyzers be used in mainstream aerosol studies?

Juan Fernandez de la Mora

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Cited articles

Asmi, E., Sipilä, M., Manninen, H. E., Vanhanen, J., Lehtipalo, K., Gagné, S., Neitola, K., Mirme, A., Mirme, S., Tamm, E., Uin, J., Komsaare, K., Attoui, M., and Kulmala, M.: Results of the first air ion spectrometer calibration and intercomparison workshop, Atmos. Chem. Phys., 9, 141–154, https://doi.org/10.5194/acp-9-141-2009, 2009. 
Bezantakos, S., Giamarelou, M., Huang, L., Olfert, J., and Biskos, G.: Modification of the TSI 3081 differential mobility analyzer to include three monodisperse outlets: Comparison between experimental and theoretical performance, Aerosol Sci. Tech., 50, 1342–1351, https://doi.org/10.1080/02786826.2016.1227060, 2016. 
Cai, R., Chen, D. R., Hao, J., and Jiang, J.: A miniature cylindrical differential mobility analyzer for sub-3 nm particle sizing, J. Aerosol Sci., 106, 111–119, https://doi.org/10.1016/j.jaerosci.2017.01.004, 2017. 
Cai, R., Attoui, M., Jiang, J., Korhonen, F., Hao, J., Petäjä, T., and Kangasluoma, J.: Characterization of a high-resolution supercritical differential mobility analyzer at reduced flow rates, Aerosol Sci. Tech., 52, 1332–1343, https://doi.org/10.1080/02786826.2018.1520964, 2018. 
de Juan, L. and Fernandez de la Mora, J.: High resolution size analysis of nanoparticles and ions: running a Vienna DMA of near optimal length at Reynolds numbers up to 5000, J. Aerosol Sci., 29, 617–626, https://doi.org/10.1016/S0021-8502(97)10028-3, 1998. 
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Short summary
Differential mobility analyzers (DMAs) are widely used to measure aerosol size distributions. Here we argue that DMAs operating steadily at unusually high flow rates are not as complex as they appear and could be used with considerable advantage in many measurements currently carried out in conventional DMAs. We hope that the considerations presented will encourage DMA manufacturers to develop high-flow DMAs far more versatile yet comparable in complexity to today’s mainstream instruments.
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