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Nanofibrous Materials for Heavy Metal Absorption

Water filtration membranes with polysaccharide fibers that allow for binding of heavy metal ions Background: Agriculture and manufacturing methods have caused large-scale heavy metal ion (lead, arsenic, mercury, etc.) pollution. This is a major public safety issue for drinking water, since these pollutants can contaminate rivers and lakes. Public...
Published: 7/7/2020   |   Inventor(s): Benjamin Chu, Benjamin Hsiao, Robert Grubbs, Rui Yang
Keywords(s): Technology
Category(s): Material and Composites, Nanotechnology, Campus > Stony Brook University

Surface Coating on Nanofibrous Scaffolds by Interfacial Polymerization for Ultrafiltration and Desalination Applications.

A fibrous support comprising nanofibers for increased flux rates and reduced fouling rates in filtration Background: There is an increased need for filtration methods for obtaining fresh water due to a depleting supply. Typically, technologies such as nanofiltration, ultrafiltration, and reverse osmosis have been used to treat water. Conventional...
Published: 7/6/2020   |   Inventor(s): Benjamin Chu, Benjamin Hsiao, Kyunghwan Yoon
Keywords(s):  
Category(s): Nanotechnology, Campus > Stony Brook University

High Flux Ultrafiltration and Nanofiltration Nanofibrious Membranes Containing Cellulose Coating by Ionic Liquids

An improved, cost-effective, and non-toxic separation membrane for oil/water emulsions and several fluid separation systems Background: Conventional composite membranes currently run into the issue of pore blockage when soaked in amine solutions. The clogged pores create increased coating thickness, which decreases the flux rate. Cellulose is being...
Published: 7/6/2020   |   Inventor(s): Benjamin Chu, Benjamin Hsiao, Hongyang Ma
Keywords(s):  
Category(s): Nanotechnology, Campus > Stony Brook University, Environment

Ultra-Nanofibers for Air and Water Filtration

This technology is a membrane of polysaccharide nanofibers and an electrospun substrate, with applications in water filtration Background: Using cellulose nanofibers for water filtration can be advantageous due to the functionality of their surfaces; they can be adjusted to guide water flow inside water channels or to selectively alter the adsorptive...
Published: 7/6/2020   |   Inventor(s): Benjamin Chu, Benjamin Hsiao, Hongyang Ma
Keywords(s): Computers or Electronics
Category(s): Environment, Campus > Stony Brook University

High Flux and Low Pressure Drop Nanofibrous Microfiltration Membranes for Removal of Bacteria and Viruses

A novel application of composite nanofibers for the creation of high performance water filters. Background: Waters contaminated with bacteria, viruses, and toxic heavy metal ions are responsible for up to 1.8 million deaths each year. Although methods such as ultra-filtration and reverse osmosis have been discovered to remove viruses, these methods...
Published: 7/6/2020   |   Inventor(s): Benjamin Chu, Benjamin Hsiao, Hongyang Ma, Ran Wang
Keywords(s):  
Category(s): Environment, Campus > Stony Brook University

Apparatus for Electro-Blowing or Blowing-Assisted Electro-Spinning Technology and Process for Post Treatment of Electrospun or Electroblown Membranes

Use of electrospinning and melt-blowing processes for a higher yield, more efficient production method of fiber manufacturing. Background: Electrospinning is the process where an electrostatic field is strong enough to overcome the surface tension of a liquid. This process allows nanofibers to have a very large surface area to volume ratio, thus having...
Published: 7/6/2020   |   Inventor(s): Benjamin Chu, Benjamin Hsiao, Dufei Fang
Keywords(s):  
Category(s): Nanotechnology, Campus > Stony Brook University, Material and Composites

Bioabsorbable Membrane for Prevention of Post-Operative Adhesions

A scaled-up method for fabrication of these fibrous articles for use in adhesion reduction and controlled delivery systems Background: Biodegradable and/or bioabsorbable fibrous articles have been fabricated previously. They have many useful medical applications, such as preventing post-surgery adhesion. A method of producing these fibers is through...
Published: 7/5/2020   |   Inventor(s): Benjamin Chu, Benjamin Hsiao, Dufei Fang, Collin Brathwaite
Keywords(s):  
Category(s): Material and Composites, Campus > Stony Brook University

Graphene Oxide-Based Composite Membranes for Energy Efficient Ethanol Dehydration

A pervaporation membrane for energy efficient alcohol purification, such as ethanol dehydration Background: Biofuels, such as ethanol, are in high demand, especially since the United States began using ethanol as an additive to gasoline. Ethanol can be obtained through fermentation of suitable biomass using distillation processes. These processes...
Published: 7/5/2020   |   Inventor(s): Benjamin Chu, Benjamin Hsiao, Devinder Mahajan, Tsung-Ming Yeh
Keywords(s):  
Category(s): Clean Energy, Material and Composites, Campus > Stony Brook University

Novel Bioabsorbable Membranes for Cell Delivery Applications

Methods for storing viable cells and for delivering viable cells to a mammal using the cell storage and delivery system. Background: Methods and compositions for encapsulating core materials, e.g., materials containing drugs, have been disclosed. These methods generally involve encapsulating the core material within a micro capsule by forming a semipermeable...
Published: 7/5/2020   |   Inventor(s): Benjamin Chu, Benjamin Hsiao, Michael Hadjiargyrou, Dufei Fang, Xinhua Zong, Kwangsok Kim
Keywords(s):  
Category(s): Drug Delivery, Drug Design and/or Synthesis, Campus > Stony Brook University, Gene Therapy and Viral Vectors

Nanocomposite Fibers and Films Containing Polyolefin and Surface-Modified Carbon Nanofibers

Modifying carbon nanotubes with organic compounds to produce both fibers and films having enhanced mechanical and electrical properties Background: Carbon nanotubes, including single-wall nanotube (SWNT), multi-wall nanotube (MWNT) and carbon nanofibers (CNFs), have recently received a great deal of attention in the polymer community. Efforts have...
Published: 7/1/2020   |   Inventor(s): Benjamin Chu, Benjamin Hsiao
Keywords(s):  
Category(s): Nanotechnology, Campus > Stony Brook University
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