A glass fiber filter element for visible light photocatalysis and air purification and a method for preparing the same. The glass fiber filter element includes 4 to 7 wt % of nanoparticles including at least one selected from zinc oxide, graphene oxide, titanium oxide, and reduced graphene oxide, 2 to 7 wt % of silver nanowires, 3 to 12 wt % of an adhesive system, and 78 to 91 wt % of a glass fiber mat, based on the total weight of the glass fiber filter element. The glass fiber mat is made of at least two glass fibers with different diameters, and the diameters are in a range of 0.15 to 3.5 μm. The nanoparticles have a particle size from 1 to 200 nm, and the silver nanowires have a diameter of 15 to 50 nm.

Apparatuses of electrochemical antimicrobial face masks and methods for manufacturing the same are provided. In one embodiment, an electrochemical antimicrobial face mask may include an electrochemical antimicrobial section configured to inactivate microbes that are in contact with the electrochemical antimicrobial section, and a filtration section configured to provide additional protection that prevents a user from breathing in the microbes, and where the electrochemical antimicrobial section is attached to the filtration section. The electrochemical antimicrobial section may include a galvanic corrosion cell membrane configured to generate antimicrobial agents via a galvanic electrochemical reaction, a hydrophilic antimicrobial membrane configured to inactivate microbes using the antimicrobial agents, and a regeneration pad configured to supply materials to the galvanic corrosion cell membrane for generating the antimicrobial agents.

The present application relates to a filter having a photocatalyst attached thereto, which comprises: a substrate; and a photocatalyst bonded on the substrate, in which the photocatalyst has each photocatalyst bonded and combined by a polymer binder, and the substrate and the photocatalyst are bonded by a hydrophilic polymer binder.

Provided is graphene-based personnel protection equipment (PPE) product, comprising: (a) a fabric, clothing, face shield, face mask, or glove body configured to support graphene sheets; and (b) graphene sheets deposited on a surface of the body or at least partially embedded in the body, wherein the graphene sheets comprise a plurality of discrete single-layer or few-layer graphene sheets selected from pristine graphene, graphene oxide, reduced graphene oxide, graphene fluoride, graphene chloride, graphene bromide, graphene iodide, hydrogenated graphene, nitrogenated graphene, doped graphene, chemically functionalized graphene, or a combination thereof. Preferably, surfaces of graphene sheets carry an anti-microbial compound, preferably in the form of a nanoparticle, nano-wire, or nano-coating.

Embodiments herein relate to medical devices and methods for monitoring and/or treatment including the use of synthetic polymers exhibiting specific binding for compounds such as disease state markers or toxic substances. In an embodiment, a method of testing a patient for a disease state is included, the method can include withdrawing a fluid sample from the patient and contacting the fluid sample with an extracorporeal monitoring device. The extracorporeal monitoring device can include a microporous membrane. The microporous membrane can include a synthetic polymer, wherein the synthetic polymer exhibits binding specificity with a disease state marker. The method can further include evaluating the extracorporeal monitoring device for the presence of the disease state marker. Other embodiments are included herein.

Method of treating a textile article by impregnation with a water dispersion of graphene nano-platelets in an impregnation bath comprising also a polymeric binder and an anti-migration and wetting agent. Graphene is fixed in the textile article to improve its thermal and electrical conductivity, as well as its filtering power and germ-blocking properties.

A system and method for laminating filter media can include applying an adhesive to a layer of the filter media and curing the adhesive. A multilayer filter assembly can include a first and a second layer laminated together using an inorganic adhesive.

Disclosed herein is a degradable filter structures and protective coverings including degradable filter structures. The filter structures comprise cellulose acetate and optionally plasticizer. The filter structures and protective coverings described herein degrade more rapidly than other known protective coverings.

Systems and methods for the gas-phase production of carbon nanotube (CNT)-nanoparticle (NP) hybrid materials in a flow-through pyrolytic reactor specially adapted to integrate nanoparticles (NP) into CNT material at the nanoscale level, and the second generation CNT-NP hybrid materials produced thereby.

A high-adsorption-performance nanofiber filter medium includes a support material and a composite nanofiber filtration layer that includes multiple nanometer composite nanofiber layers deposited and stacked on the support material. The nanometer composite nanofiber layer includes first, second, and third nano-powder composite nanofibers, which are uniformly mixed by means of an airflow or are sequentially laminated to form the nanometer composite nanofiber layer. The nanometer composite nanofiber layer formed through sequential lamination includes first, second, and third nanofiber layers. The first nanofiber layer includes multiple first nano-powder composite nanofibers. The second nanofiber layer is stacked on the first nanofiber layer and includes multiple second nano-powder composite nanofibers. The third nanofiber layer is stacked on the second nanofiber layer and includes multiple third nano-powder composite nanofibers. The composite nanofiber filtration layer is formed of multiple nanometer composite nanofiber layers, so that the high-adsorption-performance nanofiber air filter medium shows improved performance.