Abstract
Effectively reducing contamination and aerosolized bioburden may limit the risk of disease transmission in closed settings when social distancing is not possible. Unlike uncontrolled ionization and oxidation devices ACTIVE Particle Control™ conditions particles in a highly controlled fashion which provides effective air purification without the generation of ozone or other toxic by-products. The purpose of this study was to determine the impact of ACTIVE Particle Control™ on elevator cabin particle load compared to standard ventilation. The intervention trial utilized particle mass tools to determine the difference in particle clearance between standard elevator cabin ventilation and ACTIVE Particle Control™ technology. Cabin particulate contaminants were significantly reduced using ACTIVE Particle Control™ technology in an operating elevator.
Highlights
Indoor air bioaerosols that carry bacteria, viruses, and fungi serve as a transmission vehicle for diverse infections, including influenza viruses, severe acute respiratory syndrome viruses, and the novel human coronavirus (SARS-CoV-2)
The results for the days of the week and time intervals for the particle count were an average of 20 single riders each hour
Mean and median particle mass at particulate matter (PM) 0.3 micron, PM 0.5 micron, PM 1.0 micron, PM 2.5 microns, PM 5.0 microns, and PM 10.0 microns were all significantly reduced by 77–100% with ACTIVE Particle ControlTM (APC) (p < 0.0001) (Figures 2A,B)
Summary
Indoor air bioaerosols that carry bacteria, viruses, and fungi serve as a transmission vehicle for diverse infections, including influenza viruses, severe acute respiratory syndrome viruses, and the novel human coronavirus (SARS-CoV-2). Pathogen droplets and aerosols can persist in operating hospital elevator cabins for up to 18 min [4]. APC has reduced health care-associated infections by 45% [9] This novel technology works by local electromagnetic field manipulation (controlled ionization and polarization) [10, 11]. These forces condition the microparticles and pathogens within a space, so they continuously initiate millions of particle-particle (ionization) and particle-molecular (polarization) collisions. These collisions lead to immediate and permanent ionically driven aggregations of fine and ultrafine particles and pathogens into larger particles. With the larger aggregates attaining a critical mass, they fall under
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