Task-specific Ionic Liquids for Enhanced Capture and Inactivation of Infectious Droplets and Aerosol

Task-specific Ionic Liquids for Enhanced Capture and Inactivation of Infectious Droplets and Aerosol
Community Collaboration
Haven of Hope Christian Service (HOHCS)
Professor Details

Prof King Lun Yeung

PhD in Chemical Engineering

Director of France-HKUST Innovation Hub
Director of HKUST-AP EnviroSci Ltd Joint Laboratory on Health and Environmental Innovations
Co-Director of HKUST ENVF-INA/LMA Joint Laboratory on Environment
Associate Director of Environmental Central Facility

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irborne respiratory diseases cause some of the most devastating epidemics and pandemics of the last century. Today, the world has just emerged from the grip of COVID-19 pandemic, with more than 180 million people infected with the disease and close to 4 million hospitalized deaths since it was declared a pandemic by the World Health Organization. Besides its human toll, the economic cost of the pandemic is staggering with the Asia Development Bank, estimating the cost to range from US$2 to US$4.1 trillion. There is an urgency to develop new and effective technologies to mitigate the spread of COVID-19 and other infectious respiratory diseases. This project aims to develop a new family of task-specific antimicrobial ionic liquids (TSAILs) designed to attack different biological compartments and processes along different inactivation pathways to prevent the emergence of tolerant and resistant strains in the microorganisms. The assembly of TSAILs on capture surfaces will be manipulated to increase the antimicrobial potency of the material against viruses, bacteria, molds, and spores, while keeping people and the environment safe. Thin-film casting and electrospinning processes will be used to fabricate these materials into ultralow flow-resistance TSAILs air filters that can rapidly and effectively capture and disinfect infectious droplets aerosols from the air. Besides laboratory research, a prototype TSAIL air filtration unit will be designed and built for field trials to assess the overall performance under practical use conditions.


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