Composites of antimony metal, iron oxide, and carbon black are attractive for use as lithium ion battery anodes when high rate charging is required. The large capacity of such a composite, together with a voltage that is intermediate between lithium titanate and graphite, makes it possible to ad...

Anticoagulation factor II (ACF II) isolated from the venom of Agkistrodon acutus is a member of the coagulation factor IX/coagulation factor X-binding protein (IX/X-bp) family. ACF II forms a 1:1 complex with activated coagulation factor X in a Ca2+-dependent fashion and thereby blocks the ampli...

The Ca-Cr-Cu-Fe-Mg-Mn-S system has been thermodynamically assessed using all available experimental data. Sulfur is introduced into the thermodynamic description of 8 solid solution phases such as Thiospinel, Digenite, Oldhamite, Cu2S-I, Cu2S-II, Pyrrhotite, Brezinaite, Chalcopyrite-HT using ava...

This paper reports the results of an investigation into the mechanisms that have led to the build up of sulfuric acid in the timbers of the Mary Rose, with a particular focus on recently recovered timbers. Measurements have been made by sulfur and iron K-edge X-ray absorption near edge spectrosc...

The present experiments were designed to analyze the influence of copper and iron ions on the process of decomposition of S-nitrosocysteine (cysNO), the most labile species among S-nitrosothiols (RSNO). CysNO fate in buffer solution was evaluated by optical and electron paramagnetic resonance (E...

The iron disulfide minerals, pyrite and marcasite, are assumed to be the principal cause of acid mine drainage. Although research has shown a correlation between total sulfur content and the total acidload, it is quite clear that there is no one single compositional parameter which controls both...

Iron oxide yellow pigment (PY42) dispersion was prepared using the mixture of dispersing agents (surfactants) alkyl aryl sulphonates (S1), lecithin (mixture of phospholipids) (S2), alkoxylated fatty alcohols (S3), and polyoxyethylene tri-decyl ether phosphate (S4). Evaluation of this pigment dis...

Kinetic studies can improve our understanding of the environmental mobility of radionuclides by providing insight into sorption mechanisms occurring at the mineral-water interface. While nearly identical equilibrium europium sorption edges are obtained for gibbsite (γ-Al(OH)3), bayerite (α-Al(...

We have investigated the influence of different lithium concentrations (0.25–1.0%) on Eu(1%) doped zinc oxide nanoparticles synthesized by sol gel method. The results of XRD, TEM, EDS, FTIR and Raman analysis authenticate the crystalline structure and incorporation of europium and lithium in he...

Doping metallic oxides with trivalent ions can enhance functional properties as antioxidant activity because of the increment of oxygen vacancies. In this work, Sol-gel derived cerium oxide particles, were doped with europium (0, 2.5, 5, 7.5, 10, 12.5, 15 and 20 mol%) with the aim to analyze the...

Here, for the first time, europium was incorporated into the open-structure three-dimensional mesoporous siliceous material. Samples with different loadings of europium were synthesized through one-step hydrothermal treatment based on sol-gel technique. The prepared samples were characterized by...

A new material based on a yellow europium oxide compound was prepared from europium oxide in a high vacuum environment. The structural and magnetic properties of the material were investigated. Owing to the absence of a crystal structure, the material exhibited a disordered magnetic behavior. In...

Europium(III) oxide nanoparticles were prepared using a hydrothermal method. Gold was deposited by a photo-assisted deposition method. Europium(III) oxide and gold deposited europium(III) oxide were characterized using different techniques. The results demonstrated that gold was present as a met...

Europium oxide nanoparticles are emerging as one of the most important oxide phosphors for a variety of applications. Currently, thermal decomposition is the most powerful approach to prepare europium oxide nanoparticles with narrow size and morphology distribution. However, an understanding of ...

Thin films of dysprosium oxide were deposited by thermal evaporation using two techniques. In the first technique, dysprosium was reactively evaporated in an oxygen atmosphere. In the second technique, dysprosium thin films were evaporated in vacuum and then annealed in air in the 200–800 °C t...

Chalcogenide compound Bornite (Cu5FeS4) was prepared by hydrothermal synthesis method. Here, Citric acid (CA) was introduced in the hydrothermal reaction as a chelating agent to get the phase purity in the Bornite product. The room temperature Powder X-Ray Diffraction (PXRD) confirms the phase p...

Cobalt-substituted bornite Cu5-xCoxFeS4 (x = 0, 0.02, 0.04, 0.06, 0.08, 0.1) solid solutions were synthesized by high energy mechanical alloying (MA) followed by hot pressing. X-ray diffraction (XRD) spectra revealed bornite as the pure phase for substitution level up to x = 0.08, whereas a trac...

Cu5FeS4 bornite nanoparticles with sizes in the range from 10 nm to 40 nm were synthesized by high energy mechanical alloying (MA) and annealing. The phase evolution during MA and the related optical properties were studied. X-ray diffraction analysis showed the crystal structure of synthesized ...

The cooperative interactions between chalcopyrite and bornite during bioleaching by mixed moderately thermophilic culture were investigated mainly by bioleaching experiments and electrochemical experiments. Bioleaching results showed that a cooperative effect existed between chalcopyrite and bor...

Bioleaching experiments and electrochemical measurements were conducted to investigate the effect of pyrite on bornite bioleaching by Leptospirillum ferriphilum. Bioleaching experiments results showed that the addition of pyrite increased the redox potential to 360 mV vs. an Ag/AgCl electrode in...