REFERENCES

1. Zeng Y, Manwatkar P, Laguerre A, et al. Evaluating a commercially available in-duct bipolar ionization device for pollutant removal and potential byproduct formation. Build Environ 2021; 195: 107750.

2. Trane Technologies. A Taxonomy of Air-Cleaning Technologies Featuring Bipolar Ionization (2021, accessed 31 March 2021).

3. Sleiman M, Fisk WJ. Evaluation of Pollutant Emissions from Portable Air Cleaners. Final Report: Contract №10–320. Berkeley, CA, (2014, accessed 5 April 2021).

4. Crawford T, Fritz P, Wainman T. Changes in IAQ Caused By Corona Discharge Air Cleaner. ASHRAE J 2018; 64–67.

5. Gressel MG, Wilder LC. Evaluation of mitigation strategies for reducing formaldehyde concentrations in unoccupied Federal Emergency Management Agency-owned travel trailers, Atlanta, GA, (2009).

6. U.S. Environmental Protection Agency (EPA). Residential Air Cleaners: A Technical Summary, 3rd Edition, Portable Air Cleaners, Furnace and HVAC Filters, (2018, accessed 6 April 2021).

7. Liu W, Huang J, Lin Y, et al. Negative ions offset cardiorespiratory benefits of PM2.5 reduction from residential use of negative ion air purifiers. Indoor Air 2021; 31: 220–228.

8. Dong W, Liu S, Chu M, et al. Different cardiorespiratory effects of indoor air pollution intervention with ionization air purifier: Findings from a randomized, double-blind crossover study among school children in Beijing. Environ Pollut 2019; 254: 113054.

9. EMG (Environmental and Modelling Group). EMG: Potential application of air cleaning devices and personal decontamination to manage transmission of COVID-19, 4 November 2020, (2020, accessed 9 March 2021).

10. U.S. Environmental Protection Agency (EPA). Indoor Air Pollution: An Introduction for Health Professionals | Indoor Air Quality (IAQ) | US EPA, (accessed 31 March 2021).

11. U.S. Environmental Protection Agency (EPA). Air Quality Criteria For Ozone and Related Photochemical Oxidants (Final Report, 2006). Washington, DC, (2006, accessed 31 March 2021).

12. Phaniendra A, Jestadi DB, Periyasamy L. Free Radicals: Properties, Sources, Targets, and Their Implication in Various Diseases. Indian J Clin Biochem 2015; 30: 11–26.

13. Vallyathan V, Shi X. The role of oxygen free radicals in occupational and environmental lung diseases. Environ Health Perspect 1997; 105: 165–177.

14. Corsi RL. Assessment of Maximum Ozone Emissions in Residential, Office and School Buildings. Austin, TX, (2006, accessed 5 April 2021).

15. ASHRAE. ANSI/ASHRAE Standard 62.1–2019 — Ventilation for Acceptable Indoor Air Quality. Atlanta, GA, (accessed 5 April 2021).

16. Wells JR, Schoemaecker C, Carslaw N, et al. Reactive indoor air chemistry and health — A workshop summary. In: International Journal of Hygiene and Environmental Health. Elsevier GmbH, 2017, pp. 1222–1229.

17. Price DJ, Day DA, Pagonis D, et al. Budgets of Organic Carbon Composition and Oxidation in Indoor Air. Environ Sci Technol. Epub ahead of print 2019. DOI: 10.1021/acs.est.9b04689.

18. Isaacman-VanWertz G, Massoli P, O’Brien R, et al. Chemical evolution of atmospheric organic carbon over multiple generations of oxidation. Nat Chem 2018; 10: 462–468.

19. Peng Z, Jimenez JL. Radical chemistry in oxidation flow reactors for atmospheric chemistry research. Chem Soc Rev 2020; 49: 2570–2616.

20. Daniels SL. Applications of Air Ionization for Control of VOCs and PM X, Paper #918, www.globalplasmasolutions.com (2019, accessed 31 March 2021).

21. Jiang S-Y, Ma A, Ramachandran S. Negative Air Ions and Their Effects on Human Health and Air Quality Improvement. International Journal of Molecular Sciences ; 19. Epub ahead of print 2018. DOI: 10.3390/ijms19102966.

22. CDC via ASHRAE. CDC Position on Bipolar Ionization, (2020, accessed 31 March 2021).

23. Alcamí A, del Val M, Hernán M, et al. Scientific report on the modes of transmission of COVID-19, (2020, accessed 8 April 2021).