Hydrothermal reaction of manganese(II) thiocyanate with trans-1,2-bis(4-pyridyl)ethylene (bpe) in water leads to the formation of the new ligand-rich 1 : 3 (ratio metal/ligand) compound [Mn(NCS)2(bpe)2·(bpe)] (1-Mn). In the crystal structure the manganese cations are octahedrally coordinated by two thiocyanato anions and four bpe ligands and are linked into layers by the bpe ligands. Reaction o...

Electronic and molecular structures of [(X)mMn (μ-oxo)2Mn(Y)n] (X, Y = H2O, OH and O), which are Mn cluster models at catalytic sites of OEC, were studied by broken-symmetry unrestricted B3LYP method. Two paths from the S0 to S3 states of Kok cycle were investigated. One is a path starting from [Mn(II) (μ-oxo)2Mn(III)] at the S0 state, and another is from [Mn(III) (μ-oxo)2Mn(III)] at S0. Result...

OBJECTIVES The objectives of this study were to evaluate manganese (Mn)-containing welding fumes' exposure, assess urinary Mn as a biomarker for Mn exposure and investigate the correlation of Mn in air, total fumes and urinary Mn with pulmonary function indices in 118 welders and 37 unexposed controls from two regions in Iran, Assaluyeh and Borujen. METHODS Air samples were collected on mixed...

1 Department of Neurology (Behavioural Neurology), Mayo Clinic, Rochester, MN 55905, USA 2 Department of Neurology (Movement Disorders), Mayo Clinic, Rochester, MN 55905, USA 3 Department of Neurology (Speech Pathology), Mayo Clinic, Rochester, MN 55905, USA 4 Department of Psychiatry and Psychology (Neuropsychology), Mayo Clinic, Rochester, MN 55905, USA 5 Department of Information Technology,...

INTRODUCTION Timely diagnosis of invasive candidiasis (IC) remains difficult as the clinical presentation is not specific and blood cultures lack sensitivity and need a long incubation time. Thus, non-culture-based methods for diagnosing IC have been developed. Mannan antigen (Mn) and anti-mannan antibodies (A-Mn) are present in patients with IC. On behalf of the Third European Conference on In...

Biogenic Mn oxides exert important controls on trace metal cycling in aquatic and soil environments. A Mn-oxidizing bacterium Bacillus sp. WH4 was isolated from Fe-Mn nodules of an agrudalf in central China. The biogenic Mn oxides formed by mediation of this Mn oxidizing microorganism were identified as short-ranged and nano-sized Mn oxides. Cd adsorption isotherms, pH effect on adsorption and ...

Azulene is reported to react with Mn(2)(CO)(10) to give trans-C(10)H(8)Mn(2)(CO)(6), which has been shown by X-ray crystallography to have a bis(pentahapto) structure with no metal-metal bond. This structure is found by density functional theory to be the lowest energy C(10)H(8)Mn(2)(CO)(6) structure. However, a corresponding bis(pentahapto) cis-C(10)H(8)Mn(2)(CO)(6) structure, also without an ...

Both X-ray absorption and diffraction techniques were used to study the structural environment and oxidation state of Mn in goethite-groutite solid solutions, α-MnxFe1–xOOH, with xMn ≤ 0.47. Rietveld refinement of X-ray diffraction (XRD) data was employed to investigate the statistical long-range structure. The results suggest that increasing xMn leads to a gradual elongation of Fe and Mn occup...