Search Results - "Laursen, Siris"

Catalytic site seeing by Mortensen, Max, Laursen, Siris

“…Understanding how surface structure affects catalyst selectivity is limited by the ability to synthesize atomically precise active-site ensembles. Now, by…”
Get full text

Selective and Stable Non-Noble-Metal Intermetallic Compound Catalyst for the Direct Dehydrogenation of Propane to Propylene by He, Yang, Song, Yuanjun, Cullen, David A, Laursen, Siris

“…A non-noble intermetallic compound catalyst consisting of Ni3Ga nanoparticles supported on Al2O3 that exhibits high selectivity (∼94%), comparable activity…”
Get full text

The Origin of the Special Surface and Catalytic Chemistry of Ga-Rich Ni3Ga in the Direct Dehydrogenation of Ethane by He, Yang, Song, Yuanjun, Laursen, Siris

“…Synthesis of kinetically trapped, alumina-supported Ni3Ga nanoparticles with particle surface composition partially controlled by off-stoichiometric Ni:Ga…”
Get full text

Controlling Selectivity and Stability in the Hydrocarbon Wet-Reforming Reaction Using Well-Defined Ni + Ga Intermetallic Compound Catalysts by Song, Yuanjun, He, Yang, Laursen, Siris

“…In this study, we present the use of compositionally and structurally well-defined, oxide-supported nanoparticle Ni + Ga intermetallic compound (IMC) catalysts…”
Get full text

Oxidation catalysis by oxide-supported Au nanostructures: the role of supports and the effect of external conditions by Laursen, Siris, Linic, Suljo

“…Oxide-supported Au nanostructures are promising low-temperature oxidation catalysts. It is generally observed that Au supported on reducible oxides is more…”
Get full text

Strong Chemical Interactions Between Au and Off-Stoichiometric Defects on TiO2 as a Possible Source of Chemical Activity of Nanosized Au Supported on the Oxide by Laursen, Siris, Linic, Suljo

“…The effect of off-stoichiometric point defects (oxygen vacancies or extra oxygen atoms at the metal−oxide interface) on oxide surfaces on the chemical activity…”
Get full text

Dynamic hybrid neural network model of an industrial fed-batch fermentation process to produce foreign protein by Laursen, Siris Ö., Webb, Daniel, Ramirez, W. Fred

“…An industrial pharmaceutical company has provided industrial pilot scale fed-batch data from a biological process used to produce a foreign protein from…”
Get full text

Proteomes reveal metabolic capabilities of Yarrowia lipolytica for biological upcycling of polyethylene into high-value chemicals by Walker, Caleb, Mortensen, Jr, Max, Poudel, Bindica, Cotter, Christopher, Myers, Ryan, Okekeogbu, Ikenna O, Ryu, Seunghyun, Khomami, Bamin, Giannone, Richard J, Laursen, Siris, Trinh, Cong T

“…Sustainable processes for biological upcycling of plastic wastes in a circular bioeconomy are needed to promote decarbonization and reduce environmental…”
Get full text

Partially oxidized gold nanoparticles: A catalytic base-free system for the aerobic homocoupling of alkynes by Boronat, Mercedes, Laursen, Siris, Leyva-Pérez, Antonio, Oliver-Meseguer, Judit, Combita, Diego, Corma, Avelino

“…[Display omitted] •Gold nanoparticles catalyze the aerobic homocoupling of alkynes without added base.•Basic O atoms generated by O2 dissociation assist alkyne…”
Get full text

Effect of bulk and surface composition of Ni + Ga intermetallic compound catalysts in propane steam/wet reforming: Origins of nearly ideal experimental product selectivity by Song, Yuanjun, Laursen, Siris

“…[Display omitted] •Fundamental understanding of the control of the fate of atomic H in wet reforming to enhance H2 selectivity.•Fundamental insights into the…”
Get full text

Insights into Elevated-Temperature Photocatalytic Reduction of CO2 by H2O by Poudyal, Samiksha, Laursen, Siris

“…Photocatalytic reduction of CO2 for the production of synthesis gas, hydrocarbons, alcohols, or aldehydes from only CO2, H2O, and solar radiation may be a…”
Get full text

Control of surface reactivity towards unsaturated C C bonds and H over Ni-based intermetallic compounds in semi-hydrogenation of acetylene by Song, Yuanjun, Laursen, Siris

Get full text

Trends in the Surface and Catalytic Chemistry of Transition-Metal Ceramics in the Deoxygenation of a Woody Biomass Pyrolysis Model Compound by He, Yang, Laursen, Siris

“…The general surface chemical reactivity, surface reaction site nature, and van der Waals dispersion interaction capability of 10 transition metal ceramics were…”
Get full text

Controlling the surface chemistry towards unsaturated carbon-carbon bonds over non-oxide transition metal ceramics: Trends in adsorption and distortion energies and adsorbate “activation” by He, Yang, Laursen, Siris

“…•The complicated surface chemistry of TM ceramics may be stemmed from their compositional complexity and flexibility.•An orbital overlap effect were found to…”
Get full text

Control of surface reactivity towards unsaturated CC bonds and H over Ni-based intermetallic compounds in semi-hydrogenation of acetylene by Song, Yuanjun, Laursen, Siris

“…[Display omitted] •A special compositional space within intermetallic compound has been identified.•Orbital overlap was a critical parameter in dictating…”
Get full text

Insights into Elevated-Temperature Photocatalytic Reduction of CO 2 by H 2 O by Poudyal, Samiksha, Laursen, Siris

Get full text

Strong Chemical Interactions Between Au and Off-Stoichiometric Defects on TiO 2 as a Possible Source of Chemical Activity of Nanosized Au Supported on the Oxide by Laursen, Siris, Linic, Suljo

Get full text

Control of Selectivity through a New Hydrogen-Transfer Mechanism in Photocatalytic Reduction Reactions: Electronically Relaxed Neutral H and the Role of Electron–Phonon Coupling by Poudyal, Samiksha, Parker, Morghan, Laursen, Siris

“…Controlling the fate of hydrogen in photocatalytic synthesis reactions has been an ongoing challenge in CO2 reduction by H2O and nitrogen fixation efforts. Our…”
Get full text

The Origin of the Special Surface and Catalytic Chemistry of Ga-Rich Ni 3 Ga in the Direct Dehydrogenation of Ethane by He, Yang, Song, Yuanjun, Laursen, Siris

Get full text

Making C–C Bonds with Gold: Identification of Selective Gold Sites for Homo- and Cross-Coupling Reactions between Iodobenzene and Alkynes by Boronat, Mercedes, Combita, Diego, Concepción, Patricia, Corma, Avelino, García, Hermenegildo, Juárez, Raquel, Laursen, Siris, de Dios López-Castro, Juan

“…The nature of the active sites involved in the gold catalyzed Sonogashira cross-coupling reaction between iodobenzene and phenylacetylene, and in the…”
Get full text