نتایج جستجو برای: cyanates

تعداد نتایج: 554  

2010
A. Darren Back Tonia L. Stroud Cynthia A. Schroll Nathan L. Coker Jeanette A. Krause

The noteworthy structural feature of the title complex, poly[acetonitrile-tetra-μ(2)-thio-cyanato-barium(II)digold(I)], {[Au(2)Ba(SCN)(4)(CH(3)CN)]}(n), is that the bis-(thio-cyanato)-aurate(I) anion adopts both monomeric and trimeric motifs. The trimer unit has an Au⋯Au distance of 3.1687 (3) Å. In both the monomeric and trimeric units, the Au(I) atoms are also bonded to two S atoms. Within th...

2011
Jan Boeckmann Christian Näther

The asymmetric unit of the title compound, {[Cd(2)(NCS)(2)(SO(4))(C(6)H(17)N(3))(2)]·0.5CH(3)OH}(n), consists of two Cd(2+) cations, two thio-cyanate and one sulfate anion, two bis-(3-amino-prop-yl)amine co-ligands and one methanol molecule with half-occupancy. Each Cd(2+) cation is coordinated by four N atoms of one terminal N-bonded thio-cyanate anion and one bis-(3-amino-prop-yl)amine co-lig...

Journal: :The Journal of clinical investigation 1973
M Jensen H F Bunn G Halikas Y W Kan D G Nathan

Cyanate and 2,3-diphosphoglycerate (2,3-DPG) both influence the oxygen affinity of hemoglobin. The studies presented here concern the effects of these compounds on the sickling phenomenon. The inhibitory effect of cyanate on sickling is largely due to the fact that it increases the percentage of oxyhemoglobin S at a given oxygen tension. In addition, cyanate inhibits sickling by a mechanism tha...

2013
Hai-Qing Sun Xin-Qiang Wang Wei-Wei Zhang

The title crystal, [HgZn(NCSe)4] n , a coordination polymer, has a diamond-like network. In the crystal, the metal ions, Zn(2+) and Hg(2+), are both located on fourfold inversion axes and mimic the role of C atoms in the structure of diamond, and the linear seleno-cyanate bridges replace the C-C bonds. The C-N-Zn unit is almost linear and the C-Se-Hg unit is nearly a right angle. Thus, the HgZn...

2008
Mario Wriedt Sina Sellmer Christian Näther

In the crystal structure of the title compound, [Cu(NCS)(C(10)H(8)N(2))](n), the Cu(I) atom is coordinated by two N atoms from two symmetry-related 4,4'-bipyridine (bipy) ligands and one N and one S atom from two symmetry-related thio-cyanate ligands in a distorted tetra-hedral environment. The thio-cyanate ligands bridge the Cu(I) atoms into a zigzag [CuSCN](n) chain running parallel to the a ...

Journal: :Environmental Health Perspectives 1994

a corresponding flux from the ocean to the atmosphere. This effect might lessen or negate the benefits to stratospheric ozone from a reduction in anthropogenic emissions of methyl bromide. In terms of costs to society from the ban, the California Department of Pesticide Regulation estimates growers in its state stand to lose $340 million per year in crop damage. Duafala says no single alternati...

2011
Nura Suleiman Gwaram Siti Munirah Saharin Hamid Khaledi Hapipah Mohd Ali

In the title compound, [Ni(NCS)(2)(C(11)H(17)N(3))(H(2)O)], the Ni(II) ion is six-coordinated by the N,N',N"-tridentate Schiff base N atoms, two cis-positioned N-bound isothio-cyanate groups and one water mol-ecule. In the crystal, O-H⋯S hydrogen bonds link adjacent mol-ecules into infinite layers parallel to the ac plane. The layers are further connected into a three-dimensional network via C-...

2010
Shayma A. Shaker Hamid Khaledi Hapipah Mohd Ali

The title compound, [Cd(2)(NCS)(4)(C(8)H(8)N(2))(4)], is a centrosymmetric dinuclear cadmium(II) complex in which each two metal ions are linked by a pair of thio-cyanate N:S-bridges. Two 2-methyl-benzimidazole N-atom donors and one terminal thio-cyanate N atom complete a highly distorted square-pyramidal geometry around the Cd atom. In the crystal structure, two N-H⋯S hydrogen-bonding inter-ac...

2012
Ismail Warad Taibi Ben Hadda Belkheir Hammouti Salim F. Haddad

The asymmetric unit of the title compound, [Hg(SCN)(2)(C(14)H(12)N(2))], contains two complex mol-ecules in which the Hg(II) atoms are both four-coordinated in a distorted tetra-hedral configuration by two N atoms from a chelating 2,9-dimethyl-1,10-phenanthroline ligand and by two S atoms from two thio-cyanate anions. The 1,10-phenanthroline ligand is slightly folded for one complex, the dihedr...

Journal: :Infection and immunity 1984
J Carlsson M B Edlund L Hänström

Lactoperoxidase catalyzes the oxidation of thiocyanate by hydrogen peroxide into hypothiocyanite, a reaction which can protect bacterial and mammalian cells from killing by hydrogen peroxide. The present study demonstrates, however, that lactoperoxidase in the presence of thiocyanate can actually potentiate the bactericidal and cytotoxic effects of hydrogen peroxide under specific conditions, s...

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