• Di-Palladium Complexes are Active Catalysts for Mono-N-Protected Amino Acid-Accelerated Enantioselective C-H Functionalization , Gair, J.J. (msu.edu)
  • Discovering the underlying principles that determine the behavior of catalysts-the chemical "deal makers" that bring reactants together-could provide the key to more selective reactions. (bnl.gov)
  • We were trying to identify the key catalytic principles that make it select one pathway or another, with the idea that these principles could then guide the design of catalysts for an even wider range of reactions. (bnl.gov)
  • To discover the key principles, the team conducted detailed studies of a series of bimetallic (two-metal) catalysts-using different metals paired with palladium. (bnl.gov)
  • By studying catalysts pairing another metal with palladium, scientists identified two arrangements, or phases, that determine the reaction pathway. (bnl.gov)
  • The present work attempts to address the issue whether iron (Fe) which is accumulated on the surface of "three-way" catalysts (TWCs) used in gasoline-driven cars is a true chemical poison of their catalytic activity. (ucy.ac.cy)
  • To get over the challenges of cost expensiveness of the noble metal as well as the catalytic limitation of transition metal, the modulation of the noble metal content by alloying with first-row transition metal was considered as a feasible solution, because their active sites could be maintained and their active capabilities could be improved in alloying catalysts. (frontiersin.org)
  • The strong interaction among techniques-including controlled catalytic synthesis, synchrotron-based characterization studies, kinetic measurements, and theoretical modeling-was essential for this study, " Liu said. (bnl.gov)
  • Van Hecke, K. New pallada- and platinacycle complexes of phosphorus ylide: Synthesis, structural characterization, antioxidant capacity and catalytic behavior towards Mizoroki-Heck reactions. (beilstein-journals.org)
  • I lead a mini research project in the third year undergraduate teaching laboratory focussing on the synthesis and catalytic properties of palladium nanoparticle/carbon nanotube nanocomposites. (nottingham.ac.uk)
  • The first articles were published in international journals in 2013, initially with palladium (Pd), platinum (Pt) and silver (Ag) nanoparticles applied to the catalytic decomposition of nitric oxide. (sbpmat.org.br)
  • In the article published in Nanoscale, nanoparticles composed of palladium and copper alloys were produced by applying a simple method developed by the LEe- team. (sbpmat.org.br)
  • In fact, the greater the amount of palladium, the easier the reduction, and the harder the oxidation. (sbpmat.org.br)
  • Water oxidation using solar energy is carried out by Photosystem II using a catalytic Mn4 complex. (psi.ch)
  • Catalytic converters contain platinum, palladium and rhodium. (press-herald.com)
  • JP-A 2002-210362 discloses that the addition of a noble metal, such as rhodium, palladium, or platinum, selected from elements in groups 8 to 10 of the periodic table to a sulfide catalyst containing a base metal element, which is iron, cobalt, or nickel, selected from elements in groups 8 to 10 of the periodic table provides high hydrotreating performance with hydrogen spillover. (justia.com)
  • A new chiral oxa[7]heterohelicene 1b was synthesized by catalytic aerobic-oxidative tandem cyclization of the o-phenylene-linked bis(2-naphthol) derivative 3 with palladium acetate in dimethyl sulfoxide. (elsevierpure.com)
  • The Dr. Tillwich GmbH Werner Stehr Company has developed a field-oriented procedure to test the aging and oxidative stability of thin layers of lubricants in contact with catalytic metals and high temperatures. (machinerylubrication.com)
  • In our chemistry we also develop Mn-based catalytic systems and use a photoactive Ru-center to drive oxidative electron transfer. (psi.ch)
  • 8878-8888 S. Kaur-Ghumaan, L. Schwartz, R. Lomoth, M. Stein, S. Ott Catalytic (2012) Hydrogen Evolution from Mononuclear Ferrous Carbonyl Complexes as Minimal Functional Models of the [FeFe] Hydrogenase Active Site Angew. (psi.ch)
  • The Pd NPs@Artemisia demonstrated excellent behavior as a reusable nanocatalyst in Suzuki-Miyaura cross-coupling reactions at room temperature. (ajnanomat.com)
  • The dcESM behavior of Cu 2+ on carbon cloth (CC) catalyzes the reduction of Cr 6+ into Cr 3+ at pH 2 by undergoing redox reactions. (biomedcentral.com)
  • The published results, obtained by the association of several experimental techniques are relevant to an understanding of the origin of high catalytic reactivity of palladium and copper (Pd-Cu) nanoalloys, as well as to elucidating similar behavior of other bimetallic systems", highlights Jonder Morais. (sbpmat.org.br)
  • Catalytic Behavior of Mono-N-Protected Amino Acid Ligands in Ligand-Accelerated C-H Activation by Palladium(II) , Salazar, C.A. (msu.edu)
  • The resulting artificial metalloenzyme displays significantly improved catalytic performance, both in terms of activity and selectivity in the transfer hydrogenation of imines. (ward-lab.ch)
  • Palladium ions were among the transition metals used to form catalytic and irreversible metallogels, as well. (wikipedia.org)
  • The researcher likes to compare the behavior of the ions with that of guests at a fast food restaurant. (nanowerk.com)
  • Optically thin palladium films evaporated on silicon substrates are investigated following exposure to low concentrations of hydrogen gas in nitrogen using spectroscopic ellipsometry. (ucy.ac.cy)
  • A comparative evaluation of the hydrogen separation, purification and transport behavior of α-alumina membrane and γ-alumina membranes modified with ALOOH sol. (worktribe.com)
  • The main purpose of this work is to investigate the hydrogen permeation behavior of a commercial ceramic alumina membrane and compare same with that of a γ-alumina membrane graded with an AlOOH sol using the dip coating method. (worktribe.com)
  • Samples with catalyst materials - including platinum and a combination of gold and palladium - are covered with a liquid electrolyte layer and examined using a scanning tunneling microscope. (nanowerk.com)
  • We promote this effect via control over cluster size and composition and demonstrate the effect on metal oxides including cobalt(II), molybdenum(VI), tungsten(VI), nickel(II) and palladium(II) oxides. (nature.com)
  • Catalytic converters control exhaust emissions, and theft of the converters has increased due to the costly metals in the devices. (press-herald.com)
  • In the lab of Dr. Tillwich GmbH Werner Stehr, a method has been developed to simulate the aging stability of lubricants in an application-adapted procedure, where thin layers of lubricants are aged in contact with catalytic metals and oxygen at high temperatures. (machinerylubrication.com)
  • A rich solution "washed" onto a ceramic substrate can leave a catalytic surface. (machinedesign.com)
  • Several samples were synthesized by this route, containing three different amounts of palladium and copper atoms. (sbpmat.org.br)
  • The Ni and Cu metal atoms play the distinctive roles in catalytic activity, i.e. (frontiersin.org)
  • The nanocatalyst was recycled 7 times without any significant deduction in catalytic activity. (ajnanomat.com)
  • Working together with his team, the chemist has now provided a crucial prerequisite for doing so: For the first time, a scanning tunneling microscope has successfully been used to examine the surface during a catalytic process. (nanowerk.com)
  • Cyclic voltammetry studies were performed at pH 2 and 4 to probe the dcESM behavior of Cu 2+ for Cr 6+ reduction on CC electrode. (biomedcentral.com)
  • In this study, inorganic tubular ceramic membranes with highly-dispersed catalytic metal: palladium and platinum were produced on both meso and macro-porous membranes. (worktribe.com)
  • The cellulose xanthate supported palladium(0) complex could be separated from the reaction mixture easily and reused for several cycles. (akjournals.com)
  • Small defects in the atomic lattice, but also borders between materials - for example palladium on gold - appear to create these ideal conditions for catalysis. (nanowerk.com)
  • In recent years, further improvements in catalytic performance have been required in processes of hydrotreating heavy oils in order to cope with heavier feedstock oils and increased throughput in heavy oil hydrotreaters. (justia.com)
  • The catalytic performance was modulated upon variation of the coordinating amino acid residues in the S‐peptide. (ward-lab.ch)
  • The properties of thin palladium films on silicon dioxide/silicon substrates are investigated. (ucy.ac.cy)
  • We have recently started reporting the results obtained with more complex systems, such as palladium and copper (Pd-Cu) nanoalloys," states Professor Morais. (sbpmat.org.br)
  • 2015 - Co-chair of Microsymposium 'Operando studies of catalytic systems', XXIII SILS Meeting , Trento, Italy. (psi.ch)
  • Water shall be oxidized in a catalytic process using solar energy. (psi.ch)
  • One would make the theft of catalytic converters a crime with a sliding scale of prison terms depending on the value of the parts that were stolen. (press-herald.com)
  • Thieves in Baton Rouge have been removing catalytic converters from cars, and New Orleans has been stunned by a wave of carjackings. (press-herald.com)
  • He has as well collaborated with the industry through the participation in two industry-university agreements with the wine company Miguel Torres SA (agreement numbers 15101 and 15736) in order to look for catalytic and electro-catalytic alternatives to CO2 for the conversion of this polluting gas into profitable chemical products with greater added value. (seloxcat.com)
  • After sputtering the parts with gold/palladium, they were examined under the SEM and with energy dispersive analysis of X-rays (EDAX). (machinerylubrication.com)
  • A cellulose xanthate supported palladium(0) complex was synthesized using a simple method and characterized by XPS, TG/DTA etc. (akjournals.com)