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19 Results for 'Synthesis'
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Technology
Metal-Organic Pulsed Laser Deposition For Stoichiometric Complex Oxide Thin Films
Chang-Beom Eom, Jungwoo Lee | P170257US01
Technology
High-Symmetry, Bicontinuous Lyotropic Liquid Crystals with Percolating Nanoscale Domains
Liquid crystals, soft materials comprised of assemblies of organic molecules that exhibit long-range order at the five to 100 nanometer length scale, find widespread application in consumer goods rang...
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Mahesh Mahanthappa, Gregory Sorenson, Keiva Coppage | P120009US01
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
“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
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
Selective Conversion of Lignin into Simple Aromatic Compounds
Lignin is a major component of non-edible biomass (15-30 percent by weight; 40 percent by energy). It is a cheap byproduct of pulp and biofuel production and is one of the few naturally occurring sour...
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Shannon Stahl, Alireza Rahimi | P130104US01
Technology
Generating Medical Isotopes with Safer Vessel and Materials
Medical isotopes are valuable healthcare tools for patient imaging and disease treatment. Yet most radioisotopes used in medicine are produced in nuclear reactors, which are complex, generate high vol...
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Gregory Piefer, Thad Heltemes, Ross Radel, Eric Van Abel | P120047US01
Technology
Streamlined Scheduling for Large-Scale Chemical Production
In chemical manufacturing, a production system may receive and process raw materials in multiple steps, with each step or task associated with a certain procedure or tool. Ideally, each step is schedu...
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Christos Maravelias, Sara Velez, Arul Sundaramoorthy | P120218US01
Technology
Method to Produce Sorbic Acid and Pentadiene from Renewable Biostock
Sorbic acid has been used extensively as a preservative in a vast array of food. The benefits of sorbates as food preservatives are two-fold: sorbates inhibit a wide spectrum of bacteria, yeasts and m...
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James Dumesic, Mei Chia | P100264US01
Technology
Improved Photocatalyst 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, Nigel Becknell | P120070US01
Technology
Synthesis of Endoperoxide from a Diene and Molecular Oxygen in the Presence of a Photocatalyst
Endoperoxides are prominent structural features of several natural products with potent activity against malaria and various cancer cell lines. However, they are difficult to synthesize. The most stra...
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Tehshik Yoon, Michael Ischay, Jonathan Parrish | P100348US01
Technology
Improved Asymmetric Hydroformylation of Therapeutics Using Novel Bisphosphines
Asymmetric synthesis is important in the pharmaceutical industry because frequently only one optically active isomer, or enantiomer, is therapeutically active. Therefore, it is often desirable to sele...
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Clark Landis, Thomas Clark, Jerzy Klosin | P04447US
Technology
One-Step Synthesis of Diazaphosphacycles
Phosphines have many commercial and industrial uses as attachments to rare earth metal catalysts, including specialized uses in asymmetric hydrogenation and other catalytic transformations. However, c...
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Clark Landis, Wiechang Jin, Jonathan Owen, Thomas Clark | P01419US
Technology
Systems and Methods for the Cyclotron Production of Iodine-124
Position emission tomography (PET) plays a vital role in the diagnosis of health and disease. The long-lived isotope iodine-124 (I-124; half-life 4.2 days) has many features that make it an attractive...
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Jonathon Nye, Robert Nickles | P04326US
Technology
Seven-Membered Heterocyclic Carbenes Coordinate with a Variety of Metals to Generate Chiral Metal Complexes
Selective synthesis of chiral compounds, rather than mixtures of mirror image forms (enantiomers), is an active area of chemical research. N-heterocyclic carbenes (NHCs) show some usefulness in cataly...
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Shannon Stahl, Christopher Scarborough | P05171US
Technology
Producing Methyl Vinyl Ketone from Levulinic Acid
Levulinic acid is a biomass-derived compound that can be obtained inexpensively in high yields from a variety of waste cellulose-containing materials. It has been identified as a top biomass-derived c...
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James Dumesic, Ryan West | P09350US01
Technology
Low Temperature Hydrogen Fuel Production Using Renewable Starting Materials
Because water vapor is the only emission when hydrogen is burned as fuel, hydrogen holds great promise as a future “green” energy source. However, while hydrogen itself is an environmental...
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James Dumesic, Randy Cortright | P01411US
Technology
Use of Glycorandomization to Produce Novel Glycosylated Products for Drug Discovery
Many of the compounds used in drug discovery by pharmaceutical companies are glycosylated, bacterial secondary metabolites. A glycosylated metabolite consists of a central core structure (aglycon) and...
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Jon Thorson | P04020US
Technology
Iron Catalyst for Selective Hydrogenation of Aldehydes, Ketones and Imines
Ligand-metal bifunctional catalysts have revolutionized hydrogenation chemistry. These catalysts are highly active and selective at reducing aldehyde, ketone and imine species with unsaturated multipl...
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Charles Casey, Hairong Guan | P07510US