Abstract:
:The single crystals of coordinated complexes of neutral erythritol (C4H10O4) with zinc nitrate and europium nitrate were synthesized and studied using FT-IR and single crystal X-ray diffraction analysis. In the structure of Zn(NO3)2.C4H10O4, ZnEN (E denotes erythritol, N represents nitrate), Zn2+ is coordinated to four hydroxyl groups from two erythritol molecules and two oxygen atoms from two nitrates. Two Zn2+ are connected by one erythritol molecule to form Zn(C4H10O4)(NO3)2 chain, and layers formed by above chain pile to produce 3D structures. In the structure of Eu(NO3)3.C4H10O4.C2H5OH, EuEN, Eu3+ is 10-coordinated by six oxygen atoms from three nitrate ions, three hydroxyl groups from one erythritol molecule and one hydroxyl group from ethanol. In the above erythritol complexes, two hydroxyl groups of erythritol coordinate to one metal ion and the other two to another metal ion or erythritol acts as three-hydroxyl groups donor. The OH groups of erythritol act as ligand to coordinate to metal ions on one hand, one the other hand, OH groups form hydrogen bonds network to build three-dimensional structures.
journal_name
J Inorg Biochemjournal_title
Journal of inorganic biochemistryauthors
Yang L,Su Y,Xu Y,Zhang S,Wu J,Zhao Kdoi
10.1016/j.jinorgbio.2004.05.012subject
Has Abstractpub_date
2004-08-01 00:00:00pages
1251-60issue
8eissn
0162-0134issn
1873-3344pii
S0162013404001588journal_volume
98pub_type
杂志文章abstract::The novel anticancer drug ([[trans-PtCl(NH(3))(2)](2)-mu-[trans-Pt(NH(3))(2)(NH(2)(CH(2))(6)NH(2))(2)]](NO(3))(4)) (BBR3464, 1,0,1/t,t,t, TPC) forms a 1,4-interstrand cross-linked adduct with the self-complementary DNA octamer 5'-d(ATG*TACAT)(2)-3', with the two platinum atoms coordinated in the major groove at N7 pos...
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journal_title:Journal of inorganic biochemistry
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journal_title:Journal of inorganic biochemistry
pub_type: 杂志文章
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pub_type: 杂志文章
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更新日期:2019-08-01 00:00:00
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journal_title:Journal of inorganic biochemistry
pub_type: 杂志文章
doi:10.1016/0162-0134(86)80062-9
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abstract::Preparation of metal/protein hybrids is growing into important topics in the field of bioinorganic chemistry. X-ray crystal structure analyses of them provide direct information on unique interactions of metal cations or metal cofactors to understand and design enzymatic functions. In this mini review, the authors foc...
journal_title:Journal of inorganic biochemistry
pub_type: 杂志文章,评审
doi:10.1016/j.jinorgbio.2007.06.025
更新日期:2007-11-01 00:00:00
abstract::The reactions of hydroquinone with hydrogen peroxide catalyzed by transition metal ions Cu2+, Fe2+, Fe3+, Co2+ and Mn2+ were investigated in aqueous solution at 25 degrees C. Two copper (II) complexes (bis(dimethylglyoxime) copper(II) and 5,7,7,12,14,14-hexamethyl-1,4,8,11-tetraazacyclotetradeca-4,11-dienatocopper(II)...
journal_title:Journal of inorganic biochemistry
pub_type: 杂志文章
doi:10.1016/j.jinorgbio.2004.09.019
更新日期:2004-12-01 00:00:00
abstract::Twenty ferritin samples were prepared at pH 6.5 with average loadings of 0-89 Fe atoms per molecule. Nuclear magnetic relaxation times T1 and T2 were measured at 3 degrees C, 23 degrees C, and at 37 degrees C and at field strength from 0.025 to 1.5 T. The field dependence, temperature dependence, and approximate equal...
journal_title:Journal of inorganic biochemistry
pub_type: 杂志文章
doi:10.1016/s0162-0134(98)10047-8
更新日期:1998-09-01 00:00:00
abstract::Ruthenium polypyridyl complexes may act as light-activatable anticancer prodrugs provided that they are protected by well-coordinated ligands that i) prevent coordination of other biomolecules to the metal center in the dark and ii) can be removed by visible light irradiation. In this paper, the use of monodentate thi...
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abstract::During its metabolism, vanadium is known to become associated with the iron storage protein, ferritin. To elucidate probable vanadium binding sites on the protein, VO2+ binding to mammalian ferritins was studied using site-directed mutagenesis and EPR spectroscopy. VO2+-apoferritin EPR spectra of human H-chain (100% H...
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journal_title:Journal of inorganic biochemistry
pub_type: 杂志文章
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abstract::Crystal structure analyses have helped to decipher the mode of binding of coenzyme B12 (AdoCbl) in the active site of AdoCbl-dependent enzymes. However, the question of how such enzymes perform their radical reactions is still incompletely answered. A pioneering study by Gruber and Kratky of AdoCbl-dependent glutamate...
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abstract::The chemical structures of Ru (II) complexes are known to affect their cellular behavior and toxicity. In this study, three new luminescent Ru (II) complexes, [Ru(bpy)2(HIPMP)](ClO4)2 (Ru1, bpy = 2,2'-bipyridine, HIPMP = 2-(1H-imidazo-[4,5-f] [1,10] phenanthrolin-2-yl)-4-methylphenol), [Ru(phen)2(HIPMP)](ClO4)2 (Ru2, ...
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abstract::A new family of copper(I) complexes of general formula [Cu(dppe)(NN)]+ have been synthesized and fully characterized, with dppe=1.2-bis(diphenylphosphino)ethane and NN representing several bidentate heteroaromatic ligands: 2,2'-bipy=2.2'-bipyridine (1), Me2bpy=4.4'-dimethyl-2,2'-bipyridine (2), dpytz=3-(2-pyridyl)-5,6...
journal_title:Journal of inorganic biochemistry
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abstract::Iron is frequently a growth-limiting nutrient due to its propensity to interact with oxygen to form insoluble precipitates and, therefore, biological systems have evolved specialized uptake mechanisms to obtain this essential nutrient. Many pathogenic bacteria are capable of obtaining stringently sequestered iron from...
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pub_type: 杂志文章,评审
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更新日期:2010-03-01 00:00:00
abstract::The strength of inhibition of beta-hematin (synthetic hemozoin or malaria pigment) formation by the quinoline antimalarial drugs chloroquine, amodiaquine, quinidine and quinine has been investigated as a function of incubation time. In the assay used, beta-hematin formation was brought about using 4.5M acetate, pH 4.5...
journal_title:Journal of inorganic biochemistry
pub_type: 杂志文章
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更新日期:2005-07-01 00:00:00
abstract::Tree laccase, a multi-copper oxidase, has been studied as a copper donor in conjunction with the demetalated forms of three blue copper proteins. Copper transfer could be observed under reducing conditions in the absence of air. Only about 10% of the total copper in laccase could be transferred regardless of the amoun...
journal_title:Journal of inorganic biochemistry
pub_type: 杂志文章
doi:10.1016/0162-0134(91)80017-c
更新日期:1991-03-01 00:00:00
abstract::Three Pt(II) complexes containing the natural ligands curcumin and caffeine, namely [Pt(curc)(PPh3)2]Cl (1), [PtCl(curc)(DMSO)] (2) (curc = deprotonated curcumin) and trans-[Pt(caffeine)Cl2(DMSO)] (3), were synthesized and fully characterized. The data obtained suggest that, for both 1 and 2, the anion of curcumin is ...
journal_title:Journal of inorganic biochemistry
pub_type: 杂志文章
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更新日期:2019-09-01 00:00:00
abstract::The study of possible relationships between iron and vanadium metabolism (E. Sabbioni and E. Marafante, Proc. XIth Int. Conf. Biochem., 13-5-R122, Toronto, Canada) was extended to the vanadium in the biochemical mechanisms which involve the exchange of iron between transferrin and ferritin. The transfer of vanadium be...
journal_title:Journal of inorganic biochemistry
pub_type: 杂志文章
doi:10.1016/s0162-0134(00)80271-8
更新日期:1980-07-01 00:00:00