Results 251 to 260 of about 457,006 (294)

Synthesis, characterization, and molecular modeling of Cu(II) and Au(III) complexes with hypoglycemic drugs as ligands

Journal of Inorganic Biochemistry, 1993
Abstract The synthesis and characterization of Cu(II) and Au(III) complexes with sulfonylurea ligands is described. Deprotonated sulfonylureas act as bidentate ligands to form Na[Cu(X-C 6 H 4 SO 2 NCONHC 2 H 4 Y) 3 ] and as monodentate ligands to form K[Au(X-C 6 H 4 SO 2 NCONHC 2 H 4 Y)Cl 3 ] (X = CH 3 or Cl and Y = CH 3 or C 2 H 5 ) complexes. IR,
Antony G. Hatzidimitriou, Dimitris P. Kessissoglou, George E. Manoussakis   +2 more
openaire   +1 more source

Biosorption of Au (III) and Cu (II) from Aqueous Solution by a Non‐Living Cetraria Islandica (L.) Ach.

Annali di Chimica, 2006
AbstractBiosorption of Au(III) and Cu(II) from dilute aqueous solutions was investigated by biomass of the non‐living Cetraria islandica (L.) Ach. The removal and recovery of gold and copper were studied by applying batch technique. The experimental parameters such as the pH of the solution, contact time, the amount of Cetraria islandica (L.) Ach ...
Turhan, Kadir, Akcin, Goksel, Dogan, Canan Ekinci, Aslan, Ali   +3 more
openaire   +5 more sources

The Influence of the Central Metal Ion on the Electronic and Photovoltaic Properties of Metalloporphyrins [M= Zn(II), Ni(II), Cu(II), Au(III)] Systems

ECS Meeting Abstracts, 2023
Although the pioneering use of porphyrins in organic solar cells (OSCs) was disappointing as reported efficiencies were very low, the situation has changed over the last five years as Zn-porphyrins with ABAB structures linked to acceptor units through triple bonds have been applied as donors resulting in efficiencies of up to 12% in binary OSCs and ...
Virginia Cuesta, Maida Vartanian, Pilar de la Cruz, Ganesh D. Sharma, Fernando Langa   +4 more
openaire   +1 more source

Synthesis, characterization and anticancer activity of Ni(II), Cu(II), Pd(II) and Au(III) complexes derived from novel Mannich base

Vietnam Journal of Chemistry
AbstractNew four complexes of Ni(II), Cu(II), Pd(II), and Au(III) were derived from the tridentate ligand 3‐((3‐(4‐hydroxyphenyl)‐5‐mercapto‐4H‐1,2,4‐triazol‐4‐yl)(3‐oxobutyl)amino)naphtho[2,3‐b]furan‐2(3H)‐one (L), which synthesized using condensation reaction of formaldehyde, acetone, and secondary amine (Mannich reaction).
Tamara Q. Manhee, Ammar J. Alabdali
openaire   +1 more source

Selective Competitive Biosorption of Au(III) and Cu(II) in Binary Systems byMagnetospirillum gryphiswaldense

Separation Science and Technology, 2013
The biosorption of Au(III) and Cu(II) ions in both single and binary systems by Magnetospirillum gryphiswaldense (MSR-1) was investigated. For comparison with the selective reinforced competitive biosorption process in a binary system, the experimental research first explored the biosorption of Au(III) and Cu(II) in a single system under various ...
Jing Li, Fang Cai, Hao Lv, Jinsheng Sun
openaire   +1 more source

Spectroscopy, electrochemistry and antiproliferative properties of Au(iii), Pt(ii) and Cu(ii) complexes bearing modified 2,2′:6′,2′′-terpyridine ligands

Dalton Transactions, 2018
Impact of the metal centre and the substituent incorporated into a terpy framework.
Anna Maroń, Katarzyna Czerwińska, Barbara Machura, Luis Raposo, Catarina Roma-Rodrigues, Alexandra R. Fernandes, Jan G. Małecki, Agata Szlapa-Kula, Slawomir Kula, Stanisław Krompiec   +9 more
openaire   +2 more sources

Ten metal complexes of vitamin B3/niacin: Spectroscopic, thermal, antibacterial, antifungal, cytotoxicity and antitumor studies of Mn(II), Fe(III), Co(II), Ni(II), Cu(II), Zn(II), Pd(II), Cd(II), Pt(IV) and Au(III) complexes

Journal of Molecular Structure, 2012
Abstract Ten coordination compounds, namely Mn(NA)2Cl2·4H2O (1), Fe(NA)Cl3(H2O)2 (2), Co(NA)2(NO3)2·6H2O (3), Ni(NA)Cl2·5H2O (4), Cu(NA)Cl2·3H2O (5), Zn(NA)(NO3)2·H2O (6), Pd(NA)2Cl2·H2O (7), Cd(NA)Cl2·H2O (8), Pt(NA)2Cl4·5H2O (9) and Au(NA)Cl3 (10) were obtained by the reactions of the corresponding transition metal salts with vitamin B3/niacin (NA)
Foziah A. Al-Saif, Moamen S. Refat
openaire   +1 more source

New Cu(II), Pd(II), and Au(III) Complexes with 2-Thiouracil: Synthesis, Characteration, and Antibacterial Studies

Russian Journal of General Chemistry, 2022
Slavchev, Aleksandar, Blazheva, Denica, Penchev, P., Tsoneva, S., Marinova, Petya, Frenkeva, M.   +5 more
openaire   +1 more source

Reduction of AgI, AuIII, CuII, and HgII by FeII/FeIII hydroxysulfate green rust

Chemosphere, 2003
Green rusts are mixed Fe(II)/Fe(III) hydroxides that are found in many suboxic environments where they are believed to play a central role in the biogeochemical cycling of iron. X-ray absorption fine structure analysis of hydroxysulfate green rust suspensions spiked with aqueous solutions of AgCH(3)COO, AuCl(n)(OH)(4-n), CuCl(2), or HgCl(2) showed that
Edward J, O'Loughlin, Shelly D, Kelly, Kenneth M, Kemner, Roseann, Csencsits, Russell E, Cook   +4 more
openaire   +2 more sources

Voltammetric and EQCM Studies on Selenium(IV) at Mercury, Gold and Glassy Carbon Electrodes in the Presence of Cu(II), Au(III), Pb(II) and Cd(II)

Electroanalysis, 1998
Cyclic voltammetry (CV), adsorptive stripping voltammetry (AdSV) and electrochemical quartz crystal microbalance (EQCM) were employed to study the behavior of selenium(IV) at the mercury, gold and glassy carbon electrodes. Optimum measurement parameters and stock solution compositions were established. Selenium(IV) was studied in the presence of copper,
Zbigniew Fijaľek, Anna Ľozak, Katarzyna Sarna   +2 more
openaire   +1 more source