Search Results - "Danby, Andrew"

Valorization of Grass Lignins: Swift and Selective Recovery of Pendant Aromatic Groups with Ozone by Danby, Andrew M, Lundin, Michael D, Subramaniam, Bala

“…The lack of a simple process for valorizing the lignin produced during cellulosic ethanol manufacture is a major hurdle preventing such biorefineries from…”
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Facile Prepolymer Formation with Ozone-Pretreated Grass Lignin by In Situ Grafting of Endogenous Aromatics by Silverman, Julian R, Danby, Andrew M, Subramaniam, Bala

“…Lignin-based biopolymers are useful precursors for making epoxy resins and other adhesives. Petroleum-derived aromatics such as phenol are often grafted onto…”
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Dual Function Lewis Acid Catalyzed Depolymerization of Industrial Corn Stover Lignin into Stable Monomeric Phenols by Nandiwale, Kakasaheb Y, Danby, Andrew M, Ramanathan, Anand, Chaudhari, Raghunath V, Subramaniam, Bala

“…Depolymerization of corn stover lignin from an industrial source was demonstrated over a predominantly Lewis acidic Zr-KIT-5 catalyst with stable activity and…”
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Enhanced Acid-Catalyzed Lignin Depolymerization in a Continuous Reactor with Stable Activity by Nandiwale, Kakasaheb Y, Danby, Andrew M, Ramanathan, Anand, Chaudhari, Raghunath V, Motagamwala, Ali Hussain, Dumesic, James A, Subramaniam, Bala

“…A continuous process to depolymerize maple wood lignin dissolved in γ-valerolactone (GVL) to monomeric phenols is demonstrated in a stirred reactor using a…”
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Zirconium-Incorporated Mesoporous Silicates Show Remarkable Lignin Depolymerization Activity by Nandiwale, Kakasaheb Y, Danby, Andrew M, Ramanathan, Anand, Chaudhari, Raghunath V, Subramaniam, Bala

“…The depolymerization of dealkaline lignin in CH3OH + H2O mixtures was investigated over various solid acid catalysts, including commercial zeolites (H-FER,…”
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Oxidative Reactivity Difference among the Metal Oxo and Metal Hydroxo Moieties: pH Dependent Hydrogen Abstraction by a Manganese(IV) Complex Having Two Hydroxide Ligands by Yin, Guochuan, Danby, Andrew M, Kitko, David, Carter, John D, Scheper, William M, Busch, Daryle H

“…Clarifying the difference in redox reactivity between the metal oxo and metal hydroxo moieties for the same redox active metal ion in identical structures and…”
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Intensified and safe ozonolysis of fatty acid methyl esters in liquid CO2 in a continuous reactor by Lundin, Michael D., Danby, Andrew M., Akien, Geoffrey R., Venkitasubramanian, Padmesh, Martin, Kevin J., Busch, Daryle H., Subramaniam, Bala

“…We demonstrate a continuous reactor for performing the ozonolysis of fatty acid methyl esters (FAMEs) using liquid CO2 as solvent. The fast reaction kinetics…”
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Liquid CO2 as a Safe and Benign Solvent for the Ozonolysis of Fatty Acid Methyl Esters by Lundin, Michael D, Danby, Andrew M, Akien, Geoffrey R, Binder, Thomas P, Busch, Daryle H, Subramaniam, Bala

“…We have shown that liquid CO2 dissolves O3 in higher concentrations compared to conventional solvents and is therefore an effective medium for the ozonolysis…”
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Understanding the Selectivity of a Moderate Oxidation Catalyst:  Hydrogen Abstraction by a Fully Characterized, Activated Catalyst, the Robust Dihydroxo Manganese(IV) Complex of a Bridged Cyclam by Yin, Guochuan, Danby, Andrew M, Kitko, David, Carter, John D, Scheper, William M, Busch, Daryle H

“…Distinctive mechanistic pathways account for the remarkable selectivity of a molecularly designed and robust manganese catalyst, Mn(Me2EBC)Cl2, whose activated…”
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Synthesis, Characterization, and Solution Properties of a Novel Cross-Bridged Cyclam Manganese(IV) Complex Having Two Terminal Hydroxo Ligands by Yin, Guochuan, McCormick, James M, Buchalova, Maria, Danby, Andrew M, Rodgers, Kent, Day, Victor W, Smith, Kevyn, Perkins, Chris M, Kitko, David, Carter, John D, Scheper, William M, Busch, Daryle H

“…A novel monomeric tetravalent manganese complex with the cross-bridged cyclam ligand 4,11-dimethyl-1,4,8,11-tetraazabicyclo[6.6.2]hexadecane (Me2EBC),…”
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Olefin Epoxidation by Alkyl Hydroperoxide with a Novel Cross-Bridged Cyclam Manganese Complex:  Demonstration of Oxygenation by Two Distinct Reactive Intermediates by Yin, Guochuan, Danby, Andrew M, Kitko, David, Carter, John D, Scheper, William M, Busch, Daryle H

“…Olefin epoxidation provides an operative protocol to investigate the oxygen transfer process in nature. A novel manganese complex with a cross-bridged cyclam…”
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Olefin Oxygenation by the Hydroperoxide Adduct of a Nonheme Manganese(IV) Complex:  Epoxidations by a Metallo−Peracid Produces Gentle Selective Oxidations by Yin, Guochuan, Buchalova, Maria, Danby, Andrew M, Perkins, Chris M, Kitko, David, Carter, John D, Scheper, William M, Busch, Daryle H

“…The reactive intermediates and mechanisms of oxygenation of olefins by manganese complexes were investigated by treating olefins with newly synthesized…”
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Olefin Epoxidation by the Hydrogen Peroxide Adduct of a Novel Non-heme Mangangese(IV) Complex:  Demonstration of Oxygen Transfer by Multiple Mechanisms by Yin, Guochuan, Buchalova, Maria, Danby, Andrew M, Perkins, Chris M, Kitko, David, Carter, John D, Scheper, William M, Busch, Daryle H

“…Olefin epoxidations are a class of reactions appropriate for the investigation of oxygenation processes in general. Here, we report the catalytic epoxidation…”
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Similarities and differences in properties and behavior of two H2O2-activated manganese catalysts having structures differing only by methyl and ethyl substituents by Yin, Guochuan, Danby, Andrew M., Day, Victor, Roy, Suparna Baksi, Carter, John, Scheper, William M., Busch, Daryle H.

“…The complex [Mn(IV)(Me 2 EBC)(OH) 2 ](PF 6 ) 2 , in which Me 2 EBC is 4,11-dimethyl-1,4,8,11-tetraazabicyclo[6.6.2]hexadecane, is a remarkably selective H 2 O…”
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One-Pot Coating of Ceramic Powders by Exfoliated Boron Nitride Layers with a Dense CO 2 Medium and Ultrasound-Aided Mixing by Liu, Dupeng, Danby, Andrew, Eichorst, Dennis, Subramaniam, Bala

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One-Pot Coating of Ceramic Powders by Exfoliated Boron Nitride Layers with a Dense CO2 Medium and Ultrasound-Aided Mixing by Liu, Dupeng, Danby, Andrew, Eichorst, Dennis, Subramaniam, Bala

“…The coating or doping of substrates by two-dimensional (2D) materials to impart superior functional properties (such as improved thermal conductivity,…”
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Olefin Epoxidation by Alkyl Hydroperoxide with a Novel Cross-Bridged Cyclam Manganese Complex:  Demonstration of Oxygenation by Two Distinct Reactive Intermediates by Yin, Guochuan, Danby, Andrew M, Kitko, David, Carter, John D, Scheper, William M, Busch, Daryle H

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Enhancement of CsNO3 Extraction in 1,2-Dichloroethane by Tris(2-aminoethyl)amine Triamide Derivatives via a Dual-Host Strategy by Kavallieratos, Konstantinos, Danby, Andrew, Van Berkel, Gary J, Kelly, Melissa A, Sachleben, Richard A, Moyer, Bruce A, Bowman-James, Kristin

“…A systematic study of a dual-host system exhibiting pairwise anion/cation separations has been performed for CsNO3 extraction. Tripodal triamides 1−4 and 9…”
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Acrylic acid and DMSP lyases in the green algae Ulva by Pesante, Giovanna, Forestier, Edith, Langer, Swen, Danby, Andrew, Angus, John, Gronnow, Mark, Bennett, Joseph P., Larson, Tony R., Tonon, Thierry

“…Green macroalgae of the genus Ulva contain dimethylsulfoniopropionate (DMSP) produced from methionine through a transamination pathway. DMSP is converted by…”
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Selective ozone activation of phenanthrene in liquid CO2 by Shi, Honghong, Lundin, Michael, Danby, Andrew, Go, Eden P, Patil, Abhimanyu, Zhou, Huaxing, Jackson, Timothy A, Subramaniam, Bala

“…We demonstrate liquid CO2 (8 °C, 4.4 MPa) as a benign medium to perform safe ozonolysis of phenanthrene at near-ambient temperatures. The ozonolysis products…”
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