• nanoparticles
  • Microbial reduction of soluble Pd(II) by cells of Shewanella oneidensis MR-1 and of an autoaggregating mutant (COAG) resulted in precipitation of palladium Pd(0) nanoparticles on the cell wall and inside the periplasmic space (bioPd). (ugent.be)
  • reacts
  • The preligand 2, 4-bis(trifluoromethyl)phenylphosphinic acid reacts smoothly with palladium dichloride in THF to the dinuclear complex [Pd2(mu-Cl)2{[2, 4-(CF3)2C6H3P(OH)O]2H} featuring a phosphonous acid phosphonato unit, with a strong hydrogen bridge substantiated by an O center dot center dot center dot O distance of 247.7(3) pm. (uni-bielefeld.de)
  • Complex B reacts in a transmetallation with the copper acetylide, complex F, which is produced in the copper cycle, to give complex C, expelling the copper halide, complex G. Both organic ligands are trans oriented and convert to cis in a trans-cis isomerization to produce complex D. In the final step, complex D undergoes reductive elimination to produce the alkyne, with regeneration of the palladium catalyst. (wikipedia.org)
  • intermediates
  • Examination by Vicic and coworkers using tridentate terpyridine ligand identified intermediates of a Ni(II)-Ni(I)-Ni(III) catalytic cycle, suggesting a more complicated scheme. (wikipedia.org)
  • complex
  • Alternatively, the phosphinic acid can be used as preligand for the in situ formation of a phosphonous acid palladium complex. (uni-bielefeld.de)
  • In particular, Maitlis has demonstrated that tert-butyl isocyanide can stabilise metals in unusual oxidation states, such as palladium(I) in the complex [(t-BuNC)2Pd(μ-Cl)]2. (wikipedia.org)
  • Chemical
  • Palladium is a chemical element with symbol Pd and atomic number 46. (wikipedia.org)
  • Graphitic carbon is also used as a support material where other catalytic components may be dispersed, resulting in an increase of the surface area they expose to the chemical reactants. (wikipedia.org)
  • structure
  • An early purpose of the support was to obtain a solid granular material coated with catalytic component, providing a hard and stable structure to withstand disintegration under gas or liquid flows. (wikipedia.org)
  • exhibit
  • clarification needed] Palladium films with defects produced by alpha particle bombardment at low temperature exhibit superconductivity having Tc=3.2 K. Naturally occurring palladium is composed of seven isotopes, six of which are stable. (wikipedia.org)