Multi-hierarchical nanofibre membranes composited with ordered structure/nano-spiderwebs for air filtration

Article Engineering, Chemical

Electrospun carbon nanofibres: Preparation, characterization and application for adsorption of pollutants from water and air

T. C. Mokhena et al.

Summary: This article introduces the potential application of electrospun carbon nanofibres as adsorbents in water and air purification, and discusses their fabrication methods and recent development trends.

SEPARATION AND PURIFICATION TECHNOLOGY (2022)

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Article Green & Sustainable Science & Technology

Recent advances in applications for air pollutants purification and perspectives of electrospun nanofibers

Xin Zhang et al.

Summary: This paper reviews the design and applications of electrospun nanofibers in air purification. The basic equipment and principles of electrospinning are introduced, and the latest development trends of this technology are summarized. The structure optimization strategies for electrospun nanofibers are outlined in detail. Recent reports on the use of electrospun nanofibers in gas purification and particulate filtration are extensively reviewed, and perspectives on future opportunities, challenges and emerging trends are provided.

JOURNAL OF CLEANER PRODUCTION (2022)

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Article Environmental Sciences

Air pollution impacts on public health: Evidence from 110 cities in Yangtze River Economic Belt of China

Ting Yang et al.

Summary: This study aims to reveal the relationship between air pollution and public health at a city scale in China's Yangtze River Economic Belt, as well as explore the spillover effect among cities. The results show a significant spatial correlation between air pollution levels and public health in these cities, with a U-shaped curvilinear relationship. Economic development in recent years has contributed to improving public health, but the economic development of neighboring cities has adversely affected public health levels.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

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Article Chemistry, Physical

Highly efficient, low-resistant, well-ordered PAN nanofiber membranes for air filtration

Xiao Cheng et al.

Summary: This study utilized the properties of polyacrylonitrile to prepare well-ordered nanofiber membranes, which exhibit excellent air filtration efficiency and low resistance.

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS (2022)

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Review Engineering, Environmental

A review on electrospun membranes for potential air filtration application

Francesca Russo et al.

Summary: This review provides a comprehensive overview of electrospun membranes used in air filtration, covering key principles, separation mechanisms, and the influence of membrane properties on filtration efficiency. It also discusses the materials and additives used for fabricating electrospun membranes, along with their applications in various fields under environmentally friendly approaches. Furthermore, it explores the potential for upscaling electrospun membranes and future directions in this area.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2022)

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Review Materials Science, Multidisciplinary

Electrospun ultrafine fibers for advanced face masks

Zhenfang Zhang et al.

Summary: This article discusses the basics of COVID-19, the importance and challenges of masks and respirators in epidemic prevention, the preparation method, performance, and potential of electrospun ultrafine fiber filters, and the future development directions of ultrafine fibers in protective devices.

MATERIALS SCIENCE & ENGINEERING R-REPORTS (2021)

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Article Engineering, Chemical

Versatile nanofibrous filters against fine particulates and bioaerosols containing tuberculosis and virus: Multifunctions and scalable processing

Rateeya Saikaew et al.

Summary: The study successfully designed and fabricated versatile, mechanically robust, and highly-scalable electrospun nanofibrous composite filters with potent antimicrobial properties and excellent filtering capabilities. The PAN/PVDF membranes showed high water repellency, mechanical/thermal stabilities, and good spinnability without the need for toxic polymer crosslinking agents or high-temperature post-treatment. The membranes exhibited high filtering efficiency towards fine particulate matters and bioaerosols, along with antimicrobial abilities against various bacteria and a significant reduction of H1N1 influenza virus.

SEPARATION AND PURIFICATION TECHNOLOGY (2021)

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Review Engineering, Chemical

Bio-based electrospun nanofiber as building blocks for a novel eco-friendly air filtration membrane: A review

Yankang Deng et al.

Summary: Air pollution has long been a serious issue affecting the atmospheric environment and human health, and air filtration is an important method to improve air quality. Nanofiber membranes prepared by electrospinning technology show great potential in air filtration due to their porous structure and controllable morphology, while natural polymers are becoming preferred alternatives to traditional synthetic polymers for manufacturing air filtration media.

SEPARATION AND PURIFICATION TECHNOLOGY (2021)

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Editorial Material Cardiac & Cardiovascular Systems

Taking a Stand Against Air Pollution-The Impact on Cardiovascular Disease

Michael Brauer et al.

Summary: Air pollution not only affects respiratory defense mechanisms, leading to worsened infections, but also contributes to worsened comorbidities and increased infection transmission. Despite the massive disruption caused by the COVID-19 pandemic, societal lockdowns have shown the potential benefits of strong air pollution measures.

JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY (2021)

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Article Chemistry, Physical

Aligned microfibers interweaved with highly porous carbon nanofibers: A Novel electrode for high-power vanadium redox flow batteries

J. Sun et al.

Summary: A novel electrode structure combining microscale carbon fibers and porous carbon nanofibers was developed for vanadium redox flow batteries, resulting in significantly improved energy efficiency and power density. The interweaving of porous carbon nanofibers between aligned microfibers effectively addressed the contradiction between permeability and surface area in traditional electrodes, opening new possibilities for high-performance electrodes in flow batteries.

ENERGY STORAGE MATERIALS (2021)

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Article Materials Science, Composites

Antibacterial and antiviral N -halamine nanofibrous membranes with nanonet structure for bioprotective applications

Congcong Tian et al.

Summary: The newly developed PSDT/PU NNMs membrane exhibits efficient and stable biocidal properties and air filtration performance, maintaining high interception rate of particles and low pressure drop. Chlorinated PSDT/PU NNMs show superior bactericidal and virucidal efficiency, suitable for bacterial interception and contact killing against pathogens.

COMPOSITES COMMUNICATIONS (2021)

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Article Materials Science, Biomaterials