Results 261 to 270 of about 6,768,795 (300)

Thermal studies of copper(II) fumarate and copper(II) terephthalate

Thermochimica Acta, 2005
Abstract Copper(II) fumarate (Cu(OOCC2H2COO)) and copper(II) terephthalate (Cu(OOCC6H4COO)) have been synthesized. Their heat capacity has been measured by adiabatic calorimetry between 13 and 300 K and their magnetic susceptibility determined with a SQUID magnetometer between 5 and 300 K.
Mikako INOUE, Hitoshi KAWAJI, Takeo TOJO, Tooru ATAKE   +3 more
openaire   +1 more source

Binding of Copper(II) to Pilocarpine†

Journal of Chemical Research, 1997
The speciation in the pilocarpine-Cu II system, as studied by potentiometric and spectroscopic techniques on aqueous solutions, is described.
Chruscinska E, MICERA, Giovanni, PANZANELLI, Angelo, Dessi A.   +3 more
openaire   +1 more source

Double Hydrated Cobalt(II) Copper(II) and Nickel(II) Copper(II) Ammine Diphosphates

Russian Journal of Applied Chemistry, 2005
Synthesis of amorphous and crystalline double hydrated cobalt copper and nickel copper ammine diphosphates with a coordination structure is described.
L. V. Voitenko, I. D. Zhilyak, V. A. Kopilevich   +2 more
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Copper(II) PMDTA and copper(II) TMEDA complexes: precursors for the synthesis of dinuclear dicationic copper(II) complexes

Inorganica Chimica Acta, 2005
Abstract Copper(II) cations coordinated with PMDTA (pentamethyldiethylenetriamine) and TMEDA (tetramethylethylenediamine) possess a high synthetic potential. The synthesis of these cations was carried out by metathesis reactions with silver salts. The cationic copper(II) complexes, [Cu(PMDTA)(Me2CO)Cl]+, [Cu(PMDTA)(H2O)Cl]+, [Cu(PMDTA)(DMF)]+, [Cu ...
Günter Margraf, Jan W. Bats, Matthias Wagner, Hans-Wolfram Lerner   +3 more
openaire   +1 more source

Histidine-Copper (II) Complexes

Nature, 1959
STABILITY constants are known for copper complexes of most of the naturally occurring α-amino-acids. However, although it is of considerable biochemical interest, the copper–histidine system has not been interpreted in detail. The system is anomalous, probably because, although the metal can co-ordinate to the amino, imidazole or carboxyl groups in ...
openaire   +2 more sources

Copper in photosystem II: association with LHC II

Photosynthesis Research, 1987
Photosystem II particles from spinach and barley contained 2.5 and 4.2 Cu per 300 chlorophylls respectively. This Cu was resistant to removal by EDTA. A large percentage of the PSII Cu in both plants is associated with the light-harvesting chlorophyll a/b protein, LHCII; 46% in barley and 76% in spinach.
P R, Sibbald, B R, Green
openaire   +2 more sources

Copper(II)–8-mercaptoquinoline, copper(II)–5,8-dimercaptoquinoline and copper(II)–5-thiomethyl-8-mercaptoquinoline complexing in a copper(II)hexacyanoferrate(II) gelatin-immobilized matrix

Transition Metal Chemistry, 2000
Novel complexing processes in the CuII–8-mercaptoquinoline, CuII–5,8-dimercaptoquinoline and CuII–5-thiomethyl-8-mercaptoquinoline systems proceeding in the copper(II)hexacyanoferrate(II) gelatin-immobilized matrix in contact with aqueous solutions of the ligands indicated, have been studied.
Oleg V. Mikhailov, Tatyana B. Tatarintseva, Tatyana S. Gorbunova, Vladimir F. Sopin   +3 more
openaire   +1 more source

Synthesis, Structure, Magnetism, and Spectroscopic Properties of Heterobinuclear Copper(II)−Zinc(II) Complexes and Their Copper(II)−Copper(II) Analogues in Asymmetric Ligand Environments

Inorganic Chemistry, 2004
Heterobinuclear copper(II)-zinc(II) complexes and their homobinuclear dicopper(II) counterparts (1-4) of two asymmetric ligands (H2L1 and H2L2), based on 2-aminocyclopent-1-ene-1-dithiocarboxylate, are reported. The ligands are capable of providing both donor set and coordination number asymmetry in tandem.
Ghosh D., Kundu N., Maity G., Choi K. Y., CANESCHI, ANDREA, Endo A., Chaudhury M.   +6 more
openaire   +3 more sources

Nature of oxide-supported copper(II) ions and copper derived from copper(II) chloride

Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases, 1987
Cu2+ derived from aqueous CuCl2 solutions and supported upon silica and anatase, but not alumina, shows asymmetric e.s.r. peaks and an absence of X.p.s. shake-up satellite peaks. Consideration is given to whether this may be attributed in part to its higher dispersion and different constrained symmetry.
Sermon, Paul, A., Rollins, Keith, Reyes, Patricio N., Lawrence, Stephen A., Martín-Luengo, María Ángeles, Davies, Michael J.   +5 more
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Effusion studies of the decomposition of copper(II) sulfate and copper(II) oxide.cntdot.copper(II) sulfate

The Journal of Physical Chemistry, 1989
Both the torsion-effusion technique and high-temperature mass spectrometry were used to study the thermal decomposition of the copper sulfate and oxysulfate phases CuSO{sub 4} and CuO {times}CuSO{sub 4} at about 700-780 K. The decomposition processes are retarded kinetically; SO{sub 3} is the primary gaseous product, rather than the dominant ...
R. D. Brittain, K. H. Lau, D. L. Hildenbrand   +2 more
openaire   +1 more source