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187 Results for 'Materials & Chemicals'
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Technology
Organic Polymers with Ultra-Small Pores for Carbon Dioxide Separation, Capture, and Conversion
According to the EPA, as of 2015 carbon dioxide and methane comprise about 82% and 10% respectively of greenhouse gas emissions resulting from human activities. Landfill gas is a considerable source ...
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Mohammad Rabbani | T160005US02
Technology
Compostable Thermoset Polymers
Thermoset materials, such as cured rubber and phenolics, offer enhanced properties over traditional thermoplastics (such as Poly(lactic acid) or PLA, polystyrene, PET, etc.). This is due to their abil...
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John Droske | T120033US02
Technology
Improved Manufacture of Porous Materials for Catalysis and More
Porous materials are used in a wide variety of scientific and industrial applications including catalysis, energy storage and emerging biomedical technologies. Types include porous zeolites (commonly ...
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John Perepezko | P160073US01
Technology
More Stable, Efficient Photocatalysts for Reducing Small Molecules
The reduction of small molecules such as nitrogen and carbon dioxide is extremely difficult because one-electron reduction processes often involve high-energy intermediates. Nitrogen reduction usually...
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Robert Hamers, Di Zhu, Marco Torelli | P150202US01
Technology
Palladium-Based Catalysts Herald Greater Efficiency of Alcohol Oxidation to Esters and Acids
Converting hydrocarbon feedstocks like shale natural gas into higher value fine chemicals and pharmaceuticals requires the oxidation of various functional groups. However, oxidizing alcohols to carbox...
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Shannon Stahl, Adam Powell, Thatcher Root, David Mannel, Maaz Ahmed | P130355US02
Technology
Nylon-3 Polymers Active Against Clostridium Difficile
Clostridium difficile is a Gram-positive, endospore-forming anaerobe that causes life-threatening intestinal infections. These infections result in more than 14,000 deaths and billions of dollars in h...
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Samuel Gellman, Runhui Liu, Bernard Weisblum, Shonna McBride | P150214US02
Technology
“Green” Catalytic Systems for Solvent-Free Alcohol Oxidations
Catalysts for organic chemical transformations, in particular those used for alcohol oxidations, are considered to be valuable commodities for the bulk, fine chemical as well as pharmaceutical industr...
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Robert McGaff | T150040US03
Technology
Polymer Coating for Cell Culture Substrates
A stem cell’s microenvironment plays a key role in regulating its behavior (e.g., adhesion, migration, proliferation and differentiation). A variety of templates have been used to study stem cell be...
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Padma Gopalan, William Murphy, Samantha Brittelle | P150079US01
Technology
Bio-Based Production of Non-Straight-Chain and Oxygenated Fatty Acids for Fuels and More
Fatty acids generally can be classified as straight-chain or non-straight-chain. Non-straight-chain fatty acids are less abundant and highly valued in dietary supplements, cosmetics, pharmaceuticals, ...
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Timothy Donohue, Rachelle Lemke, Joshua Coon, Amelia Peterson, Michael Westphall | P140318US02
Technology
Modified E. coli for Enhanced Production of Pyruvate, Ethanol
Pyruvate is a starting material for synthesizing a variety of biofuels and chemicals. It can be readily converted into more than 60 commercial chemicals, including ethanol and several active pharmaceu...
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Jennifer Reed, Xiaolin Zhang | P140301US02
Technology
Ultrafast Synthesis of Activated Carbon
Activated (porous) carbon is conventionally produced by pyrolysis (carbonization) of carbon-rich biomass or coal followed by activation/oxidation. Activated carbon produced by this conventional method...
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Annamalai Karthikeyan | T130012US02
Technology
Improved System for Large-Scale Production of Metal Matrix Nanocomposites
A nanocomposite is a reinforcing material that can be added to conventional materials to make them lightweight and ductile while also increasing their strength. Nanocomposites having high strength-to-...
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Xiaochun Li, Noe Alba-Baena, Daniel Hoefert, David Weiss, Woo-hyun Cho, Ben Slater, Hongseok Choi | P110292US01
Technology
Skin Whitening Agent(s)
The global cosmetics industry is a $460 billion dollar market with the skin whitening sector valued at $381 million in 2014. This growing market is projected to increase at a CAGR of 11.7%, reaching $...
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Cheng-chen Huang, Aaron Monte | T140007WO01
Technology
Broad Application Bioresorbable Polymers
There is a great need and market opportunity for bioresorbable and biodegradable polymers. These polymers could prove useful in a broad range of applications including health care where the polymers c...
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John Droske, Mark Juetten | T100002US02
Technology
New Disulfide-Bond Reducing Agent
Disulfide bonds between cysteine residues are the most common crosslinking agents in proteins. Reducing these bonds is an ordinary procedure in biochemistry and biotechnology. The most commonly used r...
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Ronald Raines, John Lukesh | P140284US01
Technology
Gemini Surfactant LLC Membranes from Thiol-Ene Polymerizations
Lyotropic liquid crystal (LLC) assemblies are useful for highly selective chemical separations, such as water desalination and selective ion-transporting membranes. Bicontinuous cubic LLC assemblies a...
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Mahesh Mahanthappa, James Jennings | P150015US01
Technology
Plasma Treatment within Dielectric Fluids
Conventional techniques for generating plasmas aren't suitable for plasma reactions in liquids such as gasoline or diesel fuels. They are inefficient and can result in significant heat and unwante...
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Ferencz Denes, Sorin Manolache | P03049US
Technology
Coating Extends Life of Catalytic System
Biomass processing and many other industrial catalytic reactions are performed in hot, liquid conditions. These hydrothermal reactions may be carried out at elevated temperatures (e.g., 200 degrees C)...
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James Dumesic, Yomaira Pagan-Torres, Jeffrey Elam, Christopher Marshall, Joseph Libera | P140345US01
Technology
Two-Step Process Converts Lignin into Simple Aromatic Compounds
Lignin is a major component of non-edible biomass. It is a cheap byproduct of pulp and biofuel production and is one of the few naturally occurring sources of valuable aromatic compounds. Converting l...
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Shannon Stahl, Alireza Rahimi, Joshua Coon, Arne Ulbrich | P140205US01
Technology
Dense Polymer Brush Growth with New Copolymer
Polymer brushes are a broad class of materials consisting of a polymer chain tethered at one end to a surface. These brushes have a variety of uses given their ability to tune or modify surface proper...
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Padma Gopalan, Daniel Sweat, Myungwoong Kim | P130169US02
Technology
Concentrated C5 and C6 Sugars from Biomass
Widespread production of sustainable fuels and chemicals will require cost-effective methods for breaking down biomass into its constituent sugars. Attaining high yields of concentrated C5 and C6 carb...
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James Dumesic, David Martin Alonso, Jeremy Luterbacher | P140075US01
Technology
Powering Devices with Piezoelectric ‘Sponge’
Piezoelectric materials produce electric charge in response to mechanical stress. Such materials can be utilized as very small ‘nanogenerators’ that absorb vibrations from the environment (e.g., a...
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Xudong Wang, Ping Zhao, Yanchao Mao | P130228US01
Technology
Environmentally Green Glue
Formaldehyde-based adhesives have been used to make interior plywood and particle board for decades. These synthetic adhesives, which are derived from petroleum, are inexpensive and perform well. Howe...
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Srinivasan Damodaran, Dani Zhu | P130276US02
Technology
An Orthopedic Implant Coating for Enhanced Bone Growth
"Orthobiologics" provides an improved method of treating fractures and other bone defects. This therapy employs inductive molecules, such as bone morphogenetic protein-2 or bone morphogeneti...
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William Murphy, Jae Sam Lee, Mark Markel, Ben Graf | P07031US
Technology
Modified Microbes Tolerate 50-Fold More Organic Acid
Production of industrial chemicals has long relied on petroleum-based starting material. As reserves of fossil carbon dwindle, a new approach is looking to microorganisms and their ability to convert ...
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Brian Pfleger, Matthew Begemann | P120017US02