Different complexing agents were used to prepare Ni–Mg–Zn ferrite with the composition formula Ni0.2Mg0.2Zn0.6Fe2O4 via sol–gel method, which included citric acid, oxalic egg white, and EDTA. The without agent was also prepared as a comparison. chemical phases of samples analyzed by X-ray diffraction (XRD), indicated that had spinel phase structure. lattice constants are in range 8.3980–8.4089 ...

The effects of the washing process, purging solution, and buoyance force (inclined topography action) on effectivity electro-kinetic method used to remediate a silty clay loam natural soils contaminated with Zn, Pb and/or Ni were investigated by applying 12 different experiments. results revealed that process can cause small increase in Zn removal efficiency (? 31%) when compared non-washing ap...

Siderophore-promoted iron acquisition by microorganisms usually occurs in the presence of other organic molecules, including biosurfactants. We have investigated the influence of the anionic surfactant sodium dodecyl sulfate (SDS) on the adsorption of the siderophores DFOB (cationic) and DFOD (neutral) and the ligand EDTA (anionic) onto goethite (alpha-FeOOH) at pH 6. We also studied the adsorp...

festuca ovina l. is a hyperaccumulating plant which has aroused considerableinterest with respect to its possible use for phytoremediation of contaminated soils. thisstudy has been conducted to evaluate the potentials of f. ovina l. to serve as aphytoremediation plant in the cleaning up of cu in the polluted soils and to identifyextraction efficiency of ethylene diamine tetraacetic acid (edta) ...

Background: The bacteriophage life cycle has an important role in Shiga toxin (Stx) expression. The induction of Shiga toxin-encoding phages (Stx phages) increases toxin production as a result of replication of the phage genome, and phage lysis of the host cell also provides a means of Stx toxin to exit the cell. Previous studies suggested that prophage induction might also occur in the absence...

A chemical absorption-biological reduction integrated process can be used to remove nitrogen oxides (NOx) from flue gas. In such a process, nitric oxide (NO) can be effectively absorbed by the ferrous chelate of ethylenediaminetetraacetate (Fe(II)EDTA) to form Fe(II)EDTA-NO, which can be biologically regenerated by denitrifying bacteria. However, in the course of these processes, part of the Fe...

Iron deficiency is one of the most prevalent nutritional problems in the world. Iron compounds are sed for the prevention and treatment of this deficiency. A double-blind randomized crossover study ith 12 volunteers was carried out to compare the effect of three iron compounds, ferrous glycine helate (GLY), ferric EDTA (EDTA), and ferrous sulfate (FS) on serum iron, and to examine serial erum i...

abstract enhancing phytoextraction with aminopolycarboxylic acids (apcas) associated with fast growing and metal tolerant plants species has been proposed for the clean-up of heavy metal contaminated soils. the objectives of this study were to assess the efficiency of edta and nta for desorbing pb from soil and to compare their effects for enhancing of pb extraction with land cress (barbara ver...

More than 125 million people wear contact lenses worldwide, and contact lens use is the single greatest risk factor for developing microbial keratitis. We tested the antibacterial activity of multipurpose contact lens solutions and their individual component preservatives against the two most common pathogens causing bacterial keratitis, Pseudomonas aeruginosa and Staphylococcus aureus The in v...