نتایج جستجو برای: and 8 mn

تعداد نتایج: 16935774  

2010
Gervas Assey Ray J. Butcher Yilma Gultneh

The asymmetric unit of the title compound, [Mn(C(18)H(18)N(2)O(4))(CH(3)OH)(H(2)O)]ClO(4)·0.5H(2)O, contains two complex cations and two perchlorate anions, one of which is disordered over two positions in a 0.767 (8):0.233 (8) ratio. The Mn(III) atoms are in distorted octa-hedral environments. In addition to the equatorial tetra-dentate salicylaldimine ligand, each Mn is axially coordinated by...

Altogether 20 groundwater samples were collected around the Lakan Pb and Zn mine in Iran. Samples were analyzed for 8 constituents including Fe, Pb, Hg, Mn, Zn, CN, SO4 and Cl using standard method. The results show that the average concentrations of constituents were 0.01, 0.60, 0.10, 0.01, 0.40, 35, 0.01 and 5.95 mg/kg for Fe, Mn, Pb, Zn, Hg, SO4, CN and Cl, respectively. The computed contami...

2008
Zhao-Lian Yu Jiang-Liang Hu

In the title coupound, [Mn(C(9)H(6)O(4))(C(12)H(8)N(2))](n), the Mn(II) ion is coordinated by two N atoms [Mn-N = 2.273 (3) and 2.305 (2) Å] from a 1,10-phenanthroline ligand and four O atoms [Mn-O = 2.112 (2)-2.343 (3) Å] from three 5-methyl-isophthalate (mip) ligands in a distorted octa-hedral geometry. Each mip dianion acts as a tetra-dentate ligand connecting three Mn ions. The crystal pack...

F. Khakpour Irani H. Janmohammadi, M. Sahraei, R. Kianfar

Three experiments wereconducted to evaluate chemical characteristics, intestinal absorption and bioavailability of manganese(Mn)from organic, inorganic and nano sources of Mn. In experiment 1, inorganic sources of Mn including Mn-sulphate and Mn-oxide, organic sources of Mn as Mn-glycinate and Mn-bioplex and FRA® easy dry Mn as a nano source of Mn were subjected to elemental analysis and solubi...

2009
Hai-Dong Wang Min-Min Li Hong-Yin He Fu-Bin Jiang

The title complex, [Mn(2)(C(8)H(3)NO(6))(2)(C(12)H(8)N(2))(2)](n), was synthesized under hydro-thermal conditions. The structure contains two independent Mn(II) atoms, each coordinated in a distorted octa-hedral MnN(2)O(4) geometry. [Mn(2)(phen)(2)] units (phen = 1,10-phenantroline) are bridged by 5-nitro-isophthalate (nip) ligands into ladder-like chains parallel to [100]. Adjacent polymeric c...

Journal: :Physical chemistry chemical physics : PCCP 2011
Sarah Khanniche Martin Richard Levy

A combined experimental and time-dependent density functional theory (TDDFT) investigation of the title reaction is presented. Both 'hot' and 'cold' laser-ablated Mn atom beams have been employed to determine the translational excitation functions for production of MnCl*(c(5)Σ(+), d(5)Π, e(5)Δ, e(5)Σ(+), A(7)Π). Analysis in terms of the multiple line-of-centres approach shows that the 'hot' res...

Journal: :Environmental and molecular mutagenesis 1993
L Zhang M L Robertson P Kolachana A J Davison M T Smith

The triphenolic metabolite of benzene, 1,2,4-benzenetriol (BT), is readily oxidized to its corresponding quinone via a semiquinone radical. During this process, active oxygen species are formed that may damage DNA and other cellular macromolecules. The ability of BT to induce micronuclei (MN) and oxidative DNA damage has been investigated in both human lymphocytes and HL60 cells. An antikinetoc...

Journal: :Journal of Nanomaterials 2021

Polyacrylonitrile (PAN) and (CH3COO)2Zn were used as raw materials, carbon nanofibers (CNFs) with high specific surface area successfully prepared by an electrospinning method. A new method of electrochemiluminescence detection azithromycin was established modifying the glassy electrode (GCE). Under optimal conditions, electrochemical behavior Ru(bpy)32+-AZM system on modified investigated. Owi...

Journal: :Translational sports medicine 2023

Prolonged wearing of high heels can cause chronic injury and inflammation. Herein, we investigated the presence muscle injury, inflammation, neutrophil function in young women after a single bout stiletto dance class. Sixteen volunteers (23.4 ± 3.8 years; 61.7 8.1 kg; 23.4 2.3 kg/m2; 27.2 3.8% body fat) participated study. The plasma biomarkers matrix metalloproteinase 3 (MMP-3), damage (myoglo...

Journal: :Translational sports medicine 2022

The evidence-based hamstring strengthening programme for prevention of injuries is not adopted by football teams because its high training volume. This study on female players investigated if high-volume with the Nordic exercise more effective strength, jump height, and sprint performance than low-volume training. We also examined time course changes in muscle strength during intervention perio...

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