The electrophysical reaction of rubidium polytungstate Rb4W11O35 (RWO) on fast humidity impact has been investigated by studying the influence of wet air pulse of 1–3 s of duration on the peculiarities of dynamic current–voltage (I–V-) and charge-voltage (Q–V-) loops and transient current–t...

Two new selenite chlorides: Ba2Zn(SeO3)2Cl2 and BaZn2(SeO3)2Cl2 in the Ba-Zn-Se-oxychloride system have been synthesized from hydrothermal reaction. Ba2Zn(SeO3)2Cl2 crystalizes in a one-dimensional structure with 1D ∞1[Zn(SeO3)2Cl2]4- anionic chain composed of ZnO4Cl2 octahedra and lone-paired ...

This study investigated bioreduction of selenite by anaerobic granular sludge in the presence of heavy metals and analyzed the fate of the bioreduced selenium and the heavy metals. Selenite bioreduction was not significantly inhibited in the presence of Pb(II) and Zn(II). More than 92% of 79 mg/...

Sodium selenite and sodium selenate were analyzed for their ability to alter the DNA binding mechanisms of the Cys2His2 zinc finger proteins, transcription factor IIIA (TFIIIA) and Sp1. TFIIIA is a positive regulator of 5S ribosomal RNA synthesis, and Sp1 is involved in cell proliferation and in...

Three new d10 transition metal selenites containing PO4 tetrahedron, namely, Cd7(HPO4)2(PO4)2(SeO3)2 (1), Cd6(PO4)1.34(SeO3)4.66 (2) and Zn3(HPO4)(SeO3)2(H2O) (3), have been synthesized by hydrothermal reaction. They feature three different structural types. Compound 1 exhibits a novel 3D networ...

The present research was to study the toxicology of artificially added Zn, Se and Sr in water. Specifically, we investigated the mortality and liver toxicity in zebrafish (Danio rerio), caused by different water concentrations of zinc sulfate (ZnSO4), sodium selenite (Na2SeO3), and strontium chl...

Cadmium (Cd) in rice grains is a potential threat to human health. This study investigated the effects of selenite fertilisation (0 mg kg−1, 0.5 mg kg−1, and 1.0 mg kg−1) on soil solution Cd dynamics and rice uptake. Rice was grown in two Cd-contaminated soils in Jiangxi and Hunan Provinces unde...

The anti-inflammatory selenium compounds, ebselen (2-phenyl-1,2-benzisoselenazol-3[2H]-one) and selenite, were found to alter the DNA binding mechanisms and structures of cysteine-rich zinc-finger transcription factors. As assayed by DNase I protection, DNA binding by TFIIIA (transcription facto...

Five new alkali metal zinc selenites, A2Zn3(SeO3)4·xH2O (A = Na, Rb, and Cs; 0≤x≤1) and Cs2Zn2(SeO3)3·2H2O have been synthesized by heating a mixture of ZnO, SeO2 and A2CO3 (A = Na, Rb, and Cs), and characterized by X-ray diffraction (XRD) and spectroscopic analyses techniques. All of the re...

A calorimetric and thermodynamic investigation of three hydrous selenites, ZnSeO3·2H2O, ZnSeO3·H2O and CdSeO3·H2O, was undertaken. All three phases were synthesized by mixing of aqueous solutions of zinc and cadmium nitrates, accordingly, and sodium selenite and characterized by XRD powder di...

Samples of synthetic analogs of uranyl phosphate minerals have been prepared at room temperature by slow mixing of reactants by a diffusion method. Reaction products were analyzed using powder X-ray diffraction (PXRD), thermogravimetric analysis (TGA), inductively coupled plasma optical emission...

Raman spectroscopic study on Oxyfluoro Vanadate glasses containing various proportions of lithium fluoride and rubidium fluoride was carried out to see an effect of mixture of alkali on vanadium–oxygen (VO) bond length. Glasses with a general formula 40V2O5 − 30BaF2 − (30 − x) LiF − xRbF (x = 0...

This article reviews the atmospheric corrosion of zinc and zinc alloyed coated steel. The influence of the main environmental factors on the atmospheric corrosion of zinc is discussed as well as their impacts on the type of corrosion and corrosion products formed both under laboratory and field ...

Sulfate radical (SO4−) is believed to be one of the most highly reactive oxidants, as superior as hydroxyl radical (HO), for various organic/inorganic contaminants removal in the field of pollution control chemistry. In the recent decade, sulfate radical-based advanced oxidation processes (SR-AO...

A low temperature plasma integrating the merits of small size, simple operation and rich active particles has good performance in analytical chemistry. In this work, a point discharge microplasma was used as a reactor to facilitate the gaseous conversion reaction from H2S to SO2 with an excellen...

Photocatalytic hydrogen (H2) production was performed by visible-light-driven (VLD) ternary photocatalyst, zinc oxysulfide (ZnO0.6S0.4) in the presence of sulfide/sulfite (S22−/SO32−) sacrificing system, with simultaneous azo-dye Reactive Violet 5 (RV5) degradation. Enhancement in both RV5 degra...

Recently developed molecular wire technology takes advantage of [4Fe-4S] clusters that are ligated by at least one surface exposed Cys residue. Mutagenesis of this Cys residue to a Gly opens an exchangeable coordination site to a corner iron atom that can be chemically rescued by an external thi...

Degradation of atrazine, a widely-used herbicide, by a novel advanced oxidation process was investigated through photo-catalyzing sulfite, the precursor of sulfate radical (SO4−) in this study, by zinc-copper ferrites (ZnxCu1−xFe2O4) under UV–vis light irradiation. The ZnxCu1−xFe2O4 with differ...

To cooperatively oxidize sulfite and reduce Cr(VI), this paper proposed a visible-light driven photocatalytic method, with using the photocatalysts of transition metals (Cu, Fe and Zn) doped TiO2. The photocatalysts were characterized by means of XRD, BET, SEM and UV–vis. 0.5Cu-TiO2 exhibited t...

New ferroelectric oxyfluorides with structures related to that of LiNbO3 have been prepared in sealed tubes by the compensated substitution Nb5+ + 3O2− = Mg2+ + 3F−. Highly densified ceramics can be obtained at 900°C by sintering in an atmosphere of free air. Partial hydrolysis of the fluorides...