Results 11 to 20 of about 19,353 (259)

Investigation of the Cytotoxicity of Cu(II), Au(III), and Pd(II) Complexes with 2,4-Dithiouracil and 6-Propyl-2-thiouracil Derivatives [PDF]

BioTech
This study investigates the cytotoxic properties of metal complexes incorporating thio-uracil derivatives, specifically 2,4-dithiouracil and 6-propyl-2-thiouracil. The research focuses on the cytotoxic effects of Cu(II) and Pd(II) complexes with 6-propyl-
Petya Marinova, Denica Blazheva, Aleksandar Slavchev, Petia Genova-Kalou   +3 more
doaj   +4 more sources

Adsorption Properties of Au(III) and Cu(II) from Aqueous Solution Using Chemically Treated Sheep Wool [PDF]

MATEC Web of Conferences, 2021
Au(III) and Cu(II) adsorption from aqueous solution were carried out using sheep wools with chemical treatments, by NaOH, Na2S, NaHSO3, and NaBH4 aqueous solution.
Enkhzaya Solongo, Shiomori Koichiro, Oyuntsetseg Bolormaa   +2 more
doaj   +2 more sources

Adsorption of Some Transition Metal Ions [Cu(II), Fe(III), Cr(III) and Au(III)] onto Lignite-Based Activated Carbons Modified by Oxidation [PDF]

Adsorption Science & Technology, 2010
The main purpose of the present work was to study the adsorption of some transition metal ions from aqueous solution via a novel porous material obtained from Bulgarian lignite (Chukurovo deposit) and its oxidized modifications. The adsorption of Cu(II),
Paunka St. Vassileva, Albena K. Detcheva
doaj   +2 more sources

Novel Schiff base Cu(ii) and Au(iii) complexes: spectroscopic, computational, and electrochemical insights for H₂O₂ sensor applications. [PDF]

RSC Adv
A Schiff base ligand, called (E)-2-((1H-pyrrol-2-yl)methyleneamino) benzenethiol (H2L), was synthesized from 2-aminothiophenol and pyrrole-2-carbaldehyde; the copper(ii) and gold(iii) coordination complex were then successfully synthesized and characterized by elemental analysis, FT-IR, UV-vis, NMR, XRD, SEM, TGA/DTA and conductivity measurements ...
Ayoub MA, Fahim AM, Magar HS.
europepmc   +3 more sources

Maturing conditions of bimetallic nanocomposites as a new factor influencing Au–Ag synergism and impact of Cu(II) and/or Fe(III) on luminescence

Royal Society Open Science
Gold–silver synergism has been well documented in many scientific works dealing with luminescent nanostructures that are exploitable in biomedical and environmental application.
Veronika Svačinová, Tomáš Pluháček, Martin Petr, Karolina Siskova   +3 more
doaj   +4 more sources

Investigation of the Complexation Activity of 2,4-Dithiouracil with Au(III) and Cu(II) and Biological Activity of the Newly Formed Complexes

Applied Sciences
The goal of this study is to synthesize, determine the structure, and examine the antimicrobial properties of novel Cu(II) and Au(III) complexes of 2,4-dithiouracil and its derivatives.
Petya Marinova, Dimitar Stoitsov, Nikola Burdzhiev, Slava Tsoneva, Denica Blazheva, Aleksandar Slavchev, Evelina Varbanova, Plamen Penchev   +7 more
doaj   +3 more sources

Recovery Emas dalam Campuran Au/Cu/Mg dari Adsorben SH/Fe3O4@SiO2 yang Mudah Dipisahkan Secara Magnetik dan Dapat Digunakan Kembali

Indonesian Journal of Chemical Research, 2021
The recovery of Au(III) in the Au/Cu/Mg system from mercapto-silica hybrid coated magnetite (SH/Fe3O4@SiO2) adsorbent has been investigated. This adsorbent characterized using FT-IR to determine functional groups, crystallinity study using XRD, surface ...
Ani Qomariyah, Nuryono Nuryono, Eko Sri Kunarti   +2 more
doaj   +1 more source

DEVELOPMENT OF SPECTROPHOTOMETRIC DETERMINATION METHOD OF GOLD BY OXIDATIVE COUPLING

Trakya University Journal of Natural Sciences, 2012
In this study, m- and p-phenylenediamine’s reactions which were in the presence of Cu(II) and Au(III) ions were investigated using spectrophotometric and potentiometric method.
Gülbin Erdoğan, Emre Dölen, Hilmi İbar   +2 more
doaj   +6 more sources

Synthesis, characterization, and cytotoxic activity of some transition metal complexes with didentate (N,N) donor azo dye ligand derived from p-Anisidine

Results in Chemistry, 2023
In an alkaline ethanolic solution, 2-[1-(4-Methoxyphenyl)azo]-4,5-dichloro imidazole (4-MPADI) was prepared by reacting a diazonium chloride salt solution of p-Anisidine with 4,5-Dichloroimidazole.
Khalid J. Al-Adilee, Mohammed Abbas Abood   +1 more
doaj   +1 more source

A whole-cell biosensor for the detection of gold. [PDF]

PLoS ONE, 2013
Geochemical exploration for gold (Au) is becoming increasingly important to the mining industry. Current processes for Au analyses require sampling materials to be taken from often remote localities.
Carla M Zammit, Davide Quaranta, Shane Gibson, Anita J Zaitouna, Christine Ta, Joël Brugger, Rebecca Y Lai, Gregor Grass, Frank Reith   +8 more
doaj   +1 more source