journal article·2024-09-02

Interception and in Situ Eradication of Airborne Pathogens by Ecofriendly, Biodegradable Wooden Filters

Siqi Huang, Zaiyu Wang, Xuemei Lu, Junyi Gong, Liping Cheng, Jianxing Wang, Jianquan Zhang, Parvej Alam, Ziquan Lv, Haifeng Zhang, Ying Li, Zijie Qiu, Zheng Zhao, Ben Zhong Tang

ACS Materials Letters· Volume 6· Issue 9
Publisher page

Abstract

The need for fresh and clean air has never been more apparent, especially in light of frequent outbreaks of emerging infectious diseases. However, conventional air filtering materials made from petrochemical plastics are nonrenewable, nonbiodegradable, and generally lack antipathogenic activities, posing the risk of secondary transmission. Herein, we report a simple yet highly effective helical stagger strategy to fabricate high-performance air filters, with a filtration efficiency of 92.23% for the most challenging particulate matter (PM) of PM 0.3, from naturally abundant wood resources. Functionalization with the aggregation-induced emission photosensitizer (AIE-PS) further endows the wooden filter with remarkable self-sterilization capabilities. The resulting AIE-PS functionalized helically staggered wooden filter (AIE/HSWS) demonstrates efficient interception and in situ eradication of tiny airborne pathogens (more than 99%), with excellent biodegradability, and a minimal environmental footprint. The cost-effective, scalable, and sustainable AIE/HSWS offers a promising solution to combat global health crises and air pollution challenges.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Aerosol Filtration and Electrostatic Precipitation · Infection Control and Ventilation · Air Quality and Health Impacts

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Science and Engineering, Shenzhen Institute of Aggregate Science and Technology, The Chinese University of Hong Kong, Shenzhen (CUHK-Shenzhen), Guangdong 518172, People’s Republic of China

Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, The Hong Kong University of Science and Technology, Kowloon, Hong Kong 999077, China

Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, People’s Republic of China

Math2Market GmbH, Richard-Wagner-Strasse 1, Kaiserslautern 67655, Germany

Guangdong Laboratory of Artificial Intelligence and Digital Economy (SZ), School of Biomedical Engineering, Shenzhen University Medical School, Shenzhen University, Shenzhen 518060, China

School of Textile and Clothing, Nantong University, Nantong, Jiangsu 226019, China

Innovation Research Center for AIE Pharmaceutical Biology, Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target and Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou, Guangdong 511436, China

Funding

Yunnan Key Research and Development Program · Science, Technology and Innovation Commission of Shenzhen Municipality · Innovation and Technology Commission · National Natural Science Foundation of China · Shenzhen Key Laboratory of Functional Aggregate Materials

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