نتایج جستجو برای: cd 4

تعداد نتایج: 1342035  

2010
Irina Costea David R. Mack David Israel Kenneth Morgan Alfreda Krupoves Ernest Seidman Colette Deslandres Philippe Lambrette Guy Grimard Emile Levy Devendra K. Amre

BACKGROUND AND OBJECTIVES Epidemiological evidence for the role of polyunsaturated fatty-acids (PUFA) in Crohn's disease (CD) is unclear, although the key metabolite leucotriene B4 (LTB(4)) is closely linked to the inflammatory process. We hypothesized that inherited variation in key PUFA metabolic enzymes may modify susceptibility for CD. METHODS AND PRINCIPAL RESULTS A case-control design w...

Journal: :The journals of gerontology. Series A, Biological sciences and medical sciences 2001
R Glaser R C MacCallum B F Laskowski W B Malarkey J F Sheridan J K Kiecolt-Glaser

BACKGROUND A number of studies have shown that the chronic stress of caring for persons with dementia can have significant immunological consequences as demonstrated by the down-regulation/dysregulation of the cellular immune response. METHODS Utilizing flow cytometry to measure the percentages and absolute numbers of CD-4(+) and CD-8(+) T lymphocytes producing the cytokines indicative of Th-...

Journal: :Bangladesh Journal of Botany 2023

Soil and water salinity are important problems in the coastal region of Bangladesh. Heavy metal also entering soil through various ways such as sewage sludge, fertilizers pesticides. A pot experiment was conducted to study variability cadmium (Cd) availability tomato (Lycopersicon esculentum Miller) grown on Cd-contaminated saline soil. The outlined a completely randomized block design (RCBD) w...

Journal: :Mineralogical Magazine 2022

Abstract Tennantite-(Cd), Cu 10 Cd 2 As 4 S 13 , was approved as a new mineral species from the Berenguela mining district, Pacajes Province, La Paz, Bolivia. It occurs black metallic anhedral grains, up to 1 mm across, associated with baryte, montmorillonite and secondary Cd-sulfates (aldridgeite, niedermayrite voudourisite). In reflected light, tennantite-(Cd) is isotropic grey brownish tints...

2009
Wei-Ping Zhang Wen-Xiu Zhao Gui-Hua Cui Shun-Fu Dong

The title Cd(II) coordination polymer, catena-poly[[{1,4-bis-[1-(2-pyridylmeth-yl)benzimidazol-2-yl]butane}cadmium(II)]-μ-benzene-1,3-dicarboxyl-ato], [Cd(C(8)H(4)O(4))(C(30)H(28)N(6))](n), was obtained by reaction of CdCO(3), benzene-1,3-dicarboxylic acid (H(2)btc) and 1,4-bis-[1-(2-pyridylmeth-yl)benzimidazol-2-yl]butane (L). The Cd(II) cation is six-coordinated by an N(2)O(4)-donor set. L ac...

2011
Tao Rong

The asymmetric unit of the title compound, (C(7)H(18)N(2)O)(2)[Cd(2)Cl(8)], comprises one 4-(2-hy-droxy-eth-yl)-2-methyl-piperazine-1,4-diium dication and a half [Cd(2)Cl(8)](4-) anion. The two Cd atoms are each coordinated by two bridging Cl atoms and three terminal Cl atoms and the [Cd(2)Cl(8)](4-) anion is located on an inversion centre. The crystal structure consists of N-H⋯Cl hydrogen-bond...

2010
Rong-Xun Li Qi-Ye Wu Fa-Qian Liu

The structure of the title compound, [Cd(NCS)(2)(C(5)H(8)N(2))(4)], consists of isolated mol-ecules of [Cd(NCS)(2)(Eim)(4)] (Eim = 1-ethyl-imidazole), which contain a compressed octa-hedral CdN(6) chromophore. The NCS(-) anions are trans and four N atoms from the 1-ethyl-imidazole ligands define the equatorial plane. The mean Cd-N(Eim) and Cd-N(NCS) distances are 2.334 (4) and 2.379 (5) Å, resp...

2009
Hua Yin

The title complex, [Cd(C(6)H(2)N(2)O(4))(H(2)O)(3)](n), is a new monoclinic polymorph. The ortho-rhom-bic form has previously been reported [Ma et al. (2006 ▶). Acta Cryst. E62, m2528-m2529]. The Cd-N and Cd-O bond lengths range from 2.265 (3) to 2.333 (3) Å; a weak Cd-O inter-action is also present, the inter-atomic distance being 2.658 (4) Å. The Cd(II) ions, which have a distorted penta-gona...

2010
Dian-Ying Zhao

The title complex, [Cd(2)(C(8)H(7)O(3))(4)(C(20)H(22)N(4)O)(2)], forms a dimer of the paddle-wheel type, located on a crystallographic inversion centre. The Cd(II) ion is hexa-coordinated by four carboxylate O atoms [Cd⋯O = 2.280 (2)-2.404 (2) Å] from two chelating 4-methoxy-benzoate anions, and two N atoms [Cd⋯N = 2.313 (2) and 2.332 (2) Å] from one chelating 2,2'-dimethyl-3,3'-(oxydiethyl-ene...

2012
Min Li

In the crystal structure of the title compound, [Cd(C(12)H(20)NSi)(2)], the Cd(II) cation is coordinated by two N and two C atoms within an irregular polyhedron. The four Cd-X (X = C, N) bond lengths are in the range 2.166 (4)-2.513 (4) Å.

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