Assessment of COVID-19 infection Risk, thermal Comfort, and energy efficiency in negative pressure isolation wards with varied ventilation modes

J Zhang, Y Zhao, S Wen, D Tu, J Liu, S Liu - Energy and Buildings, 2024 - Elsevier
Negative pressure isolation wards (NPIWs) play a crucial role in providing care to COVID-19
patients during a pandemic. However, the exhalation of patients releases aerosols …

Numerical investigation of the impacts of environmental conditions and breathing rate on droplet transmission during dental service

X Li, CM Mak, Z Ai, KW Ma, HM Wong - Physics of Fluids, 2023 - pubs.aip.org
Dental services are yet to return to a semblance of normality owing to the fear and
uncertainty associated with the possible airborne transmission of diseases. The present …

Characteristics of droplets emission immediately around mouth during dental treatments

C Xing, Z Ai, Z Liu, CM Mak, HM Wong - Building and Environment, 2024 - Elsevier
Control measures aiming for removing droplets generated during dental treatments have
been attracted increasing attention after COVID-19 pandemic, but the emission …

The impact of high background particle concentration on the spatiotemporal distribution of Serratia marcescens bioaerosol

Z Liu, H Li, J Chu, Z Huang, X Xiao, Y Wang… - Journal of Hazardous …, 2023 - Elsevier
Airborne transmission is a well-established mode of dissemination for infectious diseases,
particularly in closed environments. However, previous research has often overlooked the …

Sampling and analysis methods of air-borne microorganisms in hospital air: a review

X Wei, X Ma, F Tian, Z Wei, L Zhang, K Hu - BioTechniques, 2024 - Taylor & Francis
Pathogenic microorganisms can spread in the air as bioaerosols. When the human body is
exposed to different bioaerosols, various infectious diseases may occur. As indoor diagnosis …

Visualization of droplets and aerosols in simulated dental treatments to clarify the effectiveness of oral suction devices

J Watanabe, Y Iwamatsu-Kobayashi… - Journal of …, 2023 - jstage.jst.go.jp
Purpose: The hazards of aerosols generated during dental treatments are poorly
understood. This study aimed to establish visualization methods, discover conditions for …

Machine learning predicts bioaerosol trajectories in enclosed environments: Introducing a novel method

Z Liu, J Chu, Z Huang, H Li, X Xiao, J He… - Aerosol Science and …, 2023 - Taylor & Francis
The COVID-19 pandemic has sparked a global interest in understanding the mechanism of
transmission of bioaerosols in enclosed environments. Swift and accurate calculations of …

Design of convertible patient care unit for both non-pandemic and pandemic times: Prototype, building spatial layout, and ventilation design

Y Chang, Z Ai, P Wargocki, Y Liu, Y Hu - Building and Environment, 2024 - Elsevier
Convertible patient care units can accommodate non-respiratory infectious disease patients
in non-pandemic times and provide isolated treatment for respiratory infectious disease …

Investigation into the effects of background particles on Serratia marcescens bioaerosol

Z Liu, H Li, J Chu, Z Huang, X Xiao, C Lin, J Shi… - Building and …, 2024 - Elsevier
Bioaerosols play a significant role in the transmission of infectious diseases in enclosed
spaces. Previous studies have shown that certain background particles can influence …

Air disinfection performance of upper-room ultraviolet germicidal irradiation (UR-UVGI) system in a multi-compartment dental clinic

G Yao, Z Liu, H Liu, C Jiang, Y Li, J Liu, J He - Journal of Hazardous …, 2024 - Elsevier
Multi-compartment dental clinics present significant airborne cross-infection risks. Upper-
room ultraviolet germicidal irradiation (UR-UVGI) system have shown promise in preventing …