Development of a Novel Electrostatic-Based Bioaerosol Sampler

Zirui Pang; Lulu Shi; Wei Liu; Wenru Liu; Xin Tian; Mingyu Wang; Jifang Tao

doi:10.3390/mi15091068

journal article Open Access Aug 24, 2024

Development of a Novel Electrostatic-Based Bioaerosol Sampler

Zirui Pang Lulu Shi Wei Liu

Micromachines Vol. 15 No. 9 pp. 1068 · MDPI AG

View at Publisher Save 10.3390/mi15091068

Abstract

On-site bioaerosol monitoring is essential for estimating microbial biomass and mitigating the risk of infection induced by aerosol transmission. This study introduces a novel electrostatic bioaerosol sampler, which is fabricated by the use of 3D printing, for rapid bioaerosol collection. Aerosol particles were charged and enriched in the sampler. Relationships between particle sizes and collection efficiencies under varying charging voltages were established using a charging model. The design of the sampler was optimized using commercial software, incorporating electrostatic field analysis, computational fluid dynamics (CFD), and particle trajectory simulations. To validate the sampler’s collection efficiency, polystyrene (PS) spheres in an aerosol dispenser were atomized into an aerosol. The sampler collection efficiency exceeded 90% for particles larger than 1.2 μm under an applied voltage of 4.7 kV and an airflow rate of 2 L/min. The enrichment capacity was greater than 153,000 for particles larger than 1.2 μm under an applied voltage of 4.7 kV and an airflow rate of 8 L/min. With the merits of low cost, miniaturization, and high collection efficiency, the sampler can be used to collect samples on-site and in remote areas to verify the pathogens and reduce the risk of infection through aerosol transmission.

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References

Details

Published: Aug 24, 2024
Vol/Issue: 15(9)
Pages: 1068
License: View

Authors

Z

Zirui Pang

Key Laboratory of Laser and Infrared System Ministry of Education, Shandong University, Qingdao 266237, China

L

Lulu Shi

State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China

W

Wei Liu

Qingdao Institute of Measurement Technology, Qingdao 266000, China

W

Wenru Liu

Qingdao Institute of Measurement Technology, Qingdao 266000, China

X

Xin Tian

School of Physics and Electronic Information, Weifang University, Weifang 261061, China

M

Mingyu Wang

State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China

J

Jifang Tao

Key Laboratory of Laser and Infrared System Ministry of Education, Shandong University, Qingdao 266237, China; School of Information Science and Engineering, Shandong University, Qingdao 266237, China

Funding

Key R&D Program of Shandong Province Award: 2023CXGC010105

Cite This Article

Zirui Pang, Lulu Shi, Wei Liu, et al. (2024). Development of a Novel Electrostatic-Based Bioaerosol Sampler. Micromachines, 15(9), 1068. https://doi.org/10.3390/mi15091068

Development of a Novel Electrostatic-Based Bioaerosol Sampler

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