Results 1 to 10 of about 19,173 (116)

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   +2 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   +1 more source

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

Coating of 2-Aminobenzimidiazole and 1-(o-Tolyl)biguanide Functionalized Silicas on Iron Sand Magnetic Material for Sorption of [AuCl₄]^–

Indonesian Journal of Chemistry, 2019
Two novel materials of 2-aminobenzimidiazole (AB) and 1-(o-tolyl)biguanide (TB) modified silicas coated on the iron sand magnetic material (MM@SiO2/AB and MM@SiO2/TB) have been synthesized and were used to adsorb Au(III) from Au/Cu/Ni solution.
Nuryono Nuryono, Nur Mutia Rosiati, Abraham L Rettob, Suyanta Suyanta, Yateman Arryanto   +4 more
doaj   +1 more source

L-Arginine-Modified Silica for Adsorption of Gold(III)

Indonesian Journal of Chemistry, 2015
In this research, L-arginine-modified silica (SiO2-Arg) with 3-glycidoxypropyl-trimethoxysilane (GPTMS) as the linking agent has been synthesized through sol gel process for adsorption of Au(III) in aqueous solution.
Sri Hastuti, Nuryono Nuryono, Agus Kuncaka   +2 more
doaj   +1 more source

Temperature condition, sulfidation state, and gold formation mechanism of the Atash- Anbar polymetallic deposit (south Qazvin) based on mineralization, alteration and chemistry of ore minerals [PDF]

پترولوژی, 2022
The NW-trending Urumieh-Dokhtar Magmatic Belt (UDMA) in the central-western Iran is a part of the Eastern Tethyan orogenic belt (Deng et al., 2018) and over past decades, it has become one of the most significant polymetallic (Au-Cu-Fe-Pb-Zn) provinces ...
Ebrahim Tale Fazel, Narges Alaei Moghtader, Abbas Oroji   +2 more
doaj   +1 more source

Functionalization of Fe₃O₄/SiO₂ with N-(2-Aminoethyl)-3-aminopropyl for Sorption of [AuCl₄]^-

Indonesian Journal of Chemistry, 2016
Synthesis of Fe3O4/SiO2 modified with N-(2-aminoethyl)-3-aminopropyl group (Fe3O4/SiO2/ED) via coating method and its application for adsorption-desorption of anionic gold in aqueous solution have been conducted. The synthesized product was characterized
Nuryono Nuryono, Mighfar Syukur, Agus Kuncaka, Satya Candra Wibawa Sakti   +3 more
doaj   +1 more source