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| 15. |
- Ivanov, Alexander V., et al.
(författare)
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Crystalline cadmium dialkyl phosphorodithioate complexes : synthesis and structural organization as probed by multinuclear C-13, P-31, and Cd-113 CP/MAS NMR and single-crystal X-ray diffraction
- 2007
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Ingår i: Russian Journal of Inorganic Chemistry. - 0036-0236 .- 1531-8613. ; 52:10, s. 1595-1602
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Tidskriftsartikel (refereegranskat)abstract
- The cadmium O,O'-dethyl (I) and O,O'-di-sec-butyl phosphorodithioate (II) complexes have been synthesized and characterized in detail by(13)C, P-31, and Cd-113 CP/MAS NMR. X-ray crystallography shows that complex II has a binuclear molecular structure [Cd-2{S2P(O-s-C4H9)(2)}(4)]. For P-31 and Cd-113 NMR signals, the chemical shift anisotropy delta(aniso) and the asymmetry parameter eta have been calculated. The P-31 NMR signals are assigned to the terminal and bridging ligands in the complexes.
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| 16. |
- Ivanov, Alexander V., et al.
(författare)
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Synthesis, Supramolecular Self-Organization, and Thermal Behavior of Gold(III)–Thallium(III) Heteronuclear Complexes ([Au{S2CN(CH3)2}2][TlCl4])2 and ([Au{S2CN(C2H5)2}2][TlCl4]) n
- 2016
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Ingår i: Russian Journal of Inorganic Chemistry. - 0036-0236 .- 1531-8613. ; 61:6, s. 755-765
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Tidskriftsartikel (refereegranskat)abstract
- The interaction of polymeric thallium(I) dimethyl- and diethyldithiocarbamates with [AuCl4]– in 2 M HCl has been studied. Heteropolynuclear complexes ([Au{S2CN(CH3)2}2][TlCl4])2 (I) and ([Au{S2CN(C2H5)2}2][TlCl4]) n (II) have been preparatively isolated from chemisorption systems [Tl2{S2CNR2}2] n –Au3+/2 M HCl (R = CH3, C2H5). These compounds have been characterized by 13C CP/MAS NMR, and their crystal and supramolecular structures have been determined by X-ray crystallography. Basic structural units of compounds I and II are square-planar [Au{S2CNR2}2]+ cations (with S,S'- bidentate coordination of two Dtc ligands to the gold atom) and distorted tetrahedral [TlCl4]–anions. In supramolecular self-organization, the decisive role is played by relatively weak secondary interactions Au⋯S and Au⋯Cl. With the use of simultaneous thermal analysis, the thermal behavior of I and II have been studied, which enabled the elucidation of temperature-induced transformations and identification of TlCl and reduced gold among the thermolysis products.
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| 17. |
- Karlsson, C, et al.
(författare)
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Proteomic analysis of the Drosophila larval hemolymph clot
- 2004
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Ingår i: Journal of Biological Chemistry. - 0021-9258 .- 1083-351X. ; 279:50, s. 52033-52041
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Tidskriftsartikel (refereegranskat)abstract
- Components of the insect clot, an extremely rapid forming and critical part of insect immunity, are just beginning to be identified (1). Here we present a proteomic comparison of larval hemolymph before and after clotting to learn more about this process. This approach was supplemented by the identification of substrates for the enzyme transglutaminase, which plays a role in both vertebrate blood clotting (as factor XIIIa) and hemolymph coagulation in arthropods. Hemolymph proteins present in lower amounts after clotting include CG8502 (a protein with a mucin-type domain and a domain with similarity to cuticular components), CG11313 (a protein with similarity to prophenoloxidase-activating proteases), and two phenoloxidases, lipophorin, a secreted gelsolin, and CG15825, which had previously been isolated from clots (2). Proteins whose levels increase after clotting include a ferritin-subunit and two members of the immunoglobulin family with a high similarity to the small immunoglobulin-like molecules involved in mammalian innate immunity. Our results correlate with findings from another study of coagulation (2) that involved a different experimental approach. Proteomics allows the isolation of novel candidate clotting factors, leading to a more complete picture of clotting. In addition, our two-dimensional protein map of cell-free Drosophila hemolymph includes many additional proteins that were not found in studies performed on whole hemolymph.
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