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"Dramatic Growth" of Microbial Aerosols for Visualization and Accurate Counting of Bioaerosols.

Author information

Affiliations

  • 1. College of Chemistry and Chemical Engineering, Wuhan Textile University, Wuhan 430200, P.R. China.
      Authors
    • Pan YY 1, 2
    • Zhu W 1
    • Shen AG 1, 2
    (3 authors)
  • 2. Research Center of Graphic Communication, Printing and Packaging, Wuhan University, Wuhan 430072, P.R. China.
      Authors
    • Pan YY 1, 2
    • Zhao BC 2
    • Shen AG 1, 2
    (3 authors)
  • 3. Beijing Digital Sky Eye Biotechnology Co., Beijing 100089, P.R. China.
      Authors
    • Zhang X 3
    (1 author)

ORCIDs linked to this article

Analytical Chemistry, 31 Aug 2023, 95(36):13537-13545
https://doi.org/10.1021/acs.analchem.3c02042 PMID: 37653720 

Abstract 

While the global COVID-19 pandemic has subsided, microbial aerosol detection has become of high concern. Timely, accurate, and highly sensitive monitoring of microbial aerosols in indoor air is the basis for effective prevention and control of infectious diseases. At present, no commercial equipment or reliable technology can simultaneously control the detection time and limit at 6 h and 102 CFU/mL, respectively. Based on the "safety size range" of particulate matter in the air, we propose a new method of microbial dilation detection, which enables the pathogen to grow rapidly and dramatically into a polymeric microsphere, larger in size than the coexisting aerosol particles. "Like a crane standing among chickens", the microorganism can be easily visualized and counted. Different from routine chemical and biological sensing technologies, this method can achieve absolute counting of microbial particles, and the simple principles can be developed into devices for different life scenarios.

Full text links 

Read article at publisher's site: https://doi.org/10.1021/acs.analchem.3c02042

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Funding 

Funders who supported this work.

National Natural Science Foundation of China (2)