Ara
Toplam kayıt 48, listelenen: 41-48
Highly Efficient Spectrophotometric Determination of Cu2+ ion in Aqueous Medium Using a thiosemicarbazone-derivative Ligand
(SPRINGER/PLENUM PUBLISHERS, 2022)
A new simple spectrophotometric method for the determination of Cu2+ ion was developed using an thiosemicarbazone compound, 2-{4-[Bis(2-chloroethyl)amino]benzylidene}-N-[(4-methylthio)phenyl]hydrazinecarbothioamide (TSC). ...
Different spacer-arm attached magnetic nanoparticles for covalent immobilization of Jack bean urease
(De Gruyter Open Ltd, 2022)
Objectives: This study aims the covalent immobilization of Jack bean urease on Fe3O4 magnetic nanoparticles via glutaraldehyde (urease@MNPs-Si-Glu) and epichlorohydrin (urease@MNPs-ECH) spacer arms. Methods: The optimum ...
An Application of Carrier Element Free Coprecipitation (CEFC) Method for Determination of Co(II), Cu(II) and Ni(II) Ions in Some Food and Water Samples
(Acta Chimica Slovenica, 2013)
A simple and highly sensitive separation and preconcentration procedure, which has minimal impact on the environment, has been developed. The procedure is based on the carrier element free coprecipitation (CEFC) of Co(II), ...
Identification of Antioxidant Activity by Different Methods of a Freshwater Alga (Microspora sp.) Collected From a High Mountain Lake
(2019)
Algae contain a large amount of biological active compounds functioning as antioxidant, antimicrobial and anti-tumour. In the present research, antioxidant activity of freshwater alga Microspora sp. Chlorophyta extract ...
A new colorimetric DPPH• scavenging activity method with no need for a spectrophotometer applied on synthetic and natural antioxidants and medicinal herbs
(2017)
2,2-Diphenyl-1-picrylhydrazyl (DPPH ) radical scavenging, the most commonly used antioxidant methodwith more than seventeen thousand articles cited, is very practical; however, as with most assays, it hasthe major disadvantage ...
Artificial neural network modeling of photocatalytic removal of a disperse dye using synthesized of ZnO nanoparticles on montmorillonite
(Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2015-01-14)
[Abstract Not Available]
Adsorptive removal of Cr(VI) and Cu(II) ions from aqueous solutions by a natural moss
(IWA PUBLISHING, 2023)
The aim of the present research is to develop a new, fast, and easily applicable adsorption method for the removal of hazardous Cr(VI) and Cu(II) ions from the polluted industrial wastewater by using Racomitrium ericoides ...
A green and simplified approach for the quantitative and sensitive analysis of heavy metal ions in sea and stream waters
(IWA PUBLISHING, 2023)
Elimination of the matrix effect is a major challenge in developing a method for the quantification of heavy metals (HMs) in water samples. In this regard, the current research describes the simultaneous analyses of Cu(II), ...