Comparative study of reaction of cobalamin and cobinamide with thiocyanate.

abstract：:The dynamics of iron nuclei in the condensates obtained by interaction of Fe(III) with DNA, Fe(III)(DNA monomer)(2), have been investigated by variable temperature (57)Fe Mössbauer spectroscopy. Studies were effected on gel and freeze-dried samples, obtaining nearly coincident values of the parameters isomer shift and...

journal_title：Journal of inorganic biochemistry

authors： Trotta A,Barbieri Paulsen A,Silvestri A,Ruisi G,Assunta Girasolo M,Barbieri R

更新日期：2002-01-01 00:00:00

abstract：:The effect of the Cu(II)-mitoxantrone complex on the DNA synthesis of HL-60 human leukemia cells has been studied by the technique of isotopic liquid scintillation. The results indicated that the complex shows a stronger ability to inhibit DNA synthesis of the tumor cells, and thus it may become a better antitumor dru...

journal_title：Journal of inorganic biochemistry

authors： Yang P,Wang H,Gao F,Yang B

更新日期：1996-05-01 00:00:00

abstract：:Cultured rat hepatoma cells (HTC-cells) were used to study the transfer of copper from a well-defined medium to and across the cell membrane and particularly the role of albumin in this process. HTC-cells, maintained in a minimal salt-glucose medium, accumulated far more copper than when maintained in the same medium,...

journal_title：Journal of inorganic biochemistry

authors： van den Berg GJ,van den Hamer CJ

更新日期：1984-10-01 00:00:00

abstract：:The ligand behavior of di-2-pyridylketone 2-aminobenzoylhydrazone (Hdpa), and phenyl(2-pyridyl)ketone 2-aminobenzoylhydrazone (Hdba) towards organotin derivatives was investigated. The synthesis and the IR and 119Sn NMR spectroscopic characterization of the compounds is reported, together with the X-ray crystal struct...

journal_title：Journal of inorganic biochemistry

authors： Ianelli S,Mazza P,Orcesi M,Pelizzi C,Pelizzi G,Zani F

更新日期：1995-11-01 00:00:00

abstract：:The single mitochondrial type I [2Fe-2S] ferredoxin of the fission yeast Schizosaccharomyces pombe is produced as the carboxy terminal part of the electron-transfer-protein 1 (etp1) and cleaved off during mitochondrial import [Biochemistry 41 (2002) 2311-2321]. The UV/Vis (UV-visible) spectrum of the purified recombin...

journal_title：Journal of inorganic biochemistry

authors： Schiffler B,Bureik M,Reinle W,Müller EC,Hannemann F,Bernhardt R

更新日期：2004-07-01 00:00:00

abstract：:An antineoplastic agent, cis-K4 [PtCl2ATP] has been synthesized and characterized, using elemental analysis, solution conductance, thermoanalysis, infrared, NMR spectroscopy, and circular dichroism studies. The in vitro cytotoxic effect imparted by this compound on Dalton's Lymphoma cells has been assessed by Trypan b...

journal_title：Journal of inorganic biochemistry

authors： Nayak KK,Bhattacharyya R,Maity P

更新日期：1991-03-01 00:00:00

abstract：:A new myoglobin, reconstituted with a modified zinc protoporphyrin, having a total of four ammonium groups at the terminal of the two propionate side chains was constructed to introduce a substrate binding site. The protein with a positively charged patch on the surface formed a stable complex with negatively charged ...

journal_title：Journal of inorganic biochemistry

authors： Hayashi T,Ando T,Matsuda T,Yonemura H,Yamada S,Hisaeda Y

更新日期：2000-11-01 00:00:00

abstract：:Aiming at tumor targeting delivery of oxaliplatin using polymer therapy, a new monomeric platinum(II) complex (dach)Pt[HEDM] (dach: trans-(±)-1,2-diaminocyclohexane; HEDM: 2-hydroxyethoxydiethylmalate) was designed to include the antitumor moiety (dach)Pt and HEDM as a linker to the polyphosphazene backbone. This mono...

journal_title：Journal of inorganic biochemistry

authors： Avaji PG,Joo HI,Park JH,Park KS,Jun YJ,Lee HJ,Sohn YS

更新日期：2014-11-01 00:00:00

abstract：:The technique of comparative genomic hybridisation (CGH) has until recently been used to screen for common genomic abnormalities in fresh tumour material; it has identified previously unrecognised regions of amplification associated with poor prognosis subtypes of breast cancer and lymphoma. Our group has applied this...

journal_title：Journal of inorganic biochemistry

authors： Hiorns LR,Seckl MJ,Paradinas F,Sharp SY,Skelton LA,Brunstrom G,Newlands ES,Kelland LR,Leyland-Jones B

更新日期：1999-10-01 00:00:00

abstract：:Four binuclear phosphanesilver(I) dithiocarbamates, {cyclohexyl3PAg(S2CNRR')}2 for R = R' = Et (1), CH2CH2 (2), CH2CH2OH (3) and R = Me, R' = CH2CH2OH (4) have been synthesised and characterised by spectroscopy and crystallography, and feature tri-connective, μ2-bridging dithiocarbamate ligands and distorted tetrahedr...

journal_title：Journal of inorganic biochemistry

authors： Tan YJ,Tan YS,Yeo CI,Chew J,Tiekink ERT

更新日期：2019-03-01 00:00:00

abstract：:Chromomycin A(3) (CHR) and mithramycin (MTR), members of the aureolic acid anticancer antibiotics, supposedly act by inhibiting transcription via reversible association with DNA. The complex(es) with bivalent cation such as Mg(2+) and Zn(2+) is (are) the DNA-binding ligand(s). In this paper, we report a detailed study...

journal_title：Journal of inorganic biochemistry

authors： Devi PG,Pal S,Banerjee R,Dasgupta D

更新日期：2007-01-01 00:00:00

abstract：:Free and nanosized starch and lipid encapsulated Na5[PMo10V2O40]·nH2O complexes (abbreviated as PMoV, SEP and LEP, respectively) have been prepared and structurally characterized by Fourier transform infrared (FT-IR) spectroscopy, inductively coupled plasma (ICP) analysis, scanning electron microscopy (SEM) and transm...

journal_title：Journal of inorganic biochemistry

authors： Dianat S,Bordbar AK,Tangestaninejad S,Yadollahi B,Amiri R,Zarkesh-Esfahani SH,Habibi P

更新日期：2015-11-01 00:00:00

abstract：:Four amino acids--alanine, 2,3-diaminopropionic acid, cystine, and cystein--and also one diamine, ethylenediamine, were chelated with 99m-technetium (99mTc), and their renal excretion patterns were studied in rabbits in the presence and absence of two renal tubular transport inhibitors, probenecid and 2,4-dinitropheno...

journal_title：Journal of inorganic biochemistry

authors： Chattopadhyay M,Banerjee S

更新日期：1988-09-01 00:00:00

abstract：:The substitution of tetradentate bispidine ligands with rhodamine and cyanine dye molecules, coupled to an amine donor, forming an amide as potential fifth donor, is described. Bispidines are known to lead to very stable Cu(II) complexes, and the coordination to Cu(II) was expected to efficiently quench the fluorescen...

journal_title：Journal of inorganic biochemistry

authors： Brox D,Comba P,Herten DP,Kimmle E,Morgen M,Rühl CL,Rybina A,Stephan H,Storch G,Wadepohl H

更新日期：2015-07-01 00:00:00

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 fou...

journal_title：Journal of inorganic biochemistry

authors： Yang L,Su Y,Xu Y,Zhang S,Wu J,Zhao K

更新日期：2004-08-01 00:00:00

abstract：:The Ce(IV)-mitoxantrone complex exhibits a higher lethality to Ehrlich ascites tumor cells than that of the free drug and shows stronger inhibition ability on the DNA synthesis of the tumor cells. Thus the Ce(IV)-mitoxantrone complex may become a more potent antitumor drug than mitoxantrone. The different interaction ...

journal_title：Journal of inorganic biochemistry

authors： Wang H,Yang P,Tian Y,Zhang Z,Zhao C

更新日期：1997-11-01 00:00:00

abstract：:Bis[platinum(II)] [Cl2Pt(LL)PtCl2] complexes 2,5 and 8 with chiral non-racemic ligands: 1a-c (LL = (R,R), (S,S) and (R,S) N,N'-bis(3,4-diaminobutyl)hexanediamide); 4a,b (LL = (R,R) and (S,S) N,N'-bis[3,4-bis(diaminobutyl)] urea); 7a-d (LL' = (R,R), (S,S), (R,S) and (S,R) 4,5-diamino-N-(3,4-diaminobutyl) pentanamide) a...

journal_title：Journal of inorganic biochemistry

authors： Büning H,Altman J,Zorbas H,Beck W

更新日期：1999-07-15 00:00:00

abstract：:Four imidazolate-bridged binuclear copper(II)-copper(II) and copper(II)-zinc(II) complexes viz., [(Bipy)(2)Cu-Im-Cu(Bipy)(2)](ClO(4))(3).CH(3)OH, [(Phen)(2)Cu-Im-Cu(Phen)(2)](BF(4))(3).2CH(3)OH, [(Bipy)(2)Cu-Im-Zn(Bipy)(2)](BF(4))(3), and [(Phen)(2)Cu-Im-Zn(Phen)(2)](BF(4))(3), (Bipy=2,2'-Bipyridyl, Phen=1-10-Phenanth...

journal_title：Journal of inorganic biochemistry

authors： Patel RN,Singh N,Shukla KK,Gundla VL,Chauhan UK

更新日期：2005-02-01 00:00:00

abstract：:The reactivity of coordinated nitroxyl (HNO) has been explored with the [Fe(II)(CN)(5)HNO](3-) complex in aqueous medium, pH 6. We discuss essential biorelevant issues as the thermal and photochemical decompositions, the reactivity toward HNO dissociation, the electrochemical behavior, and the reactions with oxidizing...

journal_title：Journal of inorganic biochemistry

authors： Montenegro AC,Bari SE,Olabe JA

更新日期：2013-01-01 00:00:00

abstract：:An examination was made of the effects of tetrathiomolybdate (TTM), ammonium molybdate (AM), sodium sulphide, and two molybdo amino acids (cysteine-Mo, cysteine-Mo-S) on the distribution of Cu and Zn among proteins in extracts of the livers and kidneys of rats and sheep. Tetrathiomolybdate caused a shift in the chroma...

journal_title：Journal of inorganic biochemistry

authors： Allen JD,Gawthorne JM

更新日期：1987-11-01 00:00:00

abstract：:Subcellular fractions were prepared by differential centrifugation from heart and liver of a lamb labeled with 75Se-selenite. Crude fractions of nuclei, mitochondria, and microsomes from both tissues were solubilized with sodium dodecyl sulfate and chromatographed on columns of sephacryl S-200. A low molecular weight ...

journal_title：Journal of inorganic biochemistry

authors： Beilstein MA,Tripp MJ,Whanger PD

更新日期：1981-12-01 00:00:00

abstract：:The reaction of [Mn{SSi(OBu(t))3}2(MeOH)4] with imidazole and its two methyl substituted derivatives leads to different types of heteroleptic manganese(II) thiolate complexes. Reaction with 1-methylimidazole gives the silanethiolate devoid of methanol but with two nitrogen ligands and thus central MnN(2)S(2) core. The...

journal_title：Journal of inorganic biochemistry

authors： Kropidłowska A,Chojnacki J,Becker B

更新日期：2007-04-01 00:00:00

abstract：:The hypothesis that the recent rapid evolution of primate cytochromes c, which primarily involves residues in the least stable Ω-loop (Ω-loop C, residues 40-57), stabilizes the heme crevice of cytochrome c relative to other mammals, is tested. To accomplish this goal, we have compared the properties of human and spide...

journal_title：Journal of inorganic biochemistry

authors： Goldes ME,Jeakins-Cooley ME,McClelland LJ,Mou TC,Bowler BE

更新日期：2016-05-01 00:00:00

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...

journal_title：Journal of inorganic biochemistry

authors： Grady JK,Shao J,Arosio P,Santambrogio P,Chasteen ND

更新日期：2000-05-30 00:00:00

abstract：:Vanadium compounds have arisen as potential therapeutic agent for the treatment of cancers over the past decades. A few studies suggested that vanadyl complexes may discriminate between the cancerous and the normal cells. Here, we reported the investigation on the pro-apoptotic effect and the underlying mechanism of b...

journal_title：Journal of inorganic biochemistry

authors： Zhang Y,Wang L,Zeng K,Wang K,Yang X

更新日期：2018-11-01 00:00:00

abstract：:The reaction of N3- with Co,Zn superoxide dismutase, a good analogue of the native Cu,Zn enzyme, was studied in the presence and absence of phosphate, which is known to perturb the spectroscopic properties of the cobalt chromophore in the Co,Zn enzyme. EPR, NMR, and optical titrations demonstrated the formation of dif...

journal_title：Journal of inorganic biochemistry

authors： Desideri A,Paci M,Capo C,Calabrese L,Rotilio G

更新日期：1988-08-01 00:00:00

abstract：:The reductive release of ferritin iron by several naturally occurring o-diphenols was studied. The initial rate of iron release was quantified by spectrophotometric measurement of the Fe(ferrozine)3(2+) complex, which absorbs maximally at 562 nm. The initial rate of iron release was dependent upon o-diphenol concentra...

journal_title：Journal of inorganic biochemistry

authors： Boyer RF,Clark HM,LaRoche AP

更新日期：1988-03-01 00:00:00

abstract：:Reduced azurin reacts with the resting, oxidized cytochrome c peroxidase of Pseudomonas aeruginosa to yield time courses observed at 420 nm, which consist of the sum of two exponential processes. Each process exhibits a hyperbolic dependence of the observed rate constant on the reduced azurin concentration. The fracti...

journal_title：Journal of inorganic biochemistry

authors： Brittain T,Greenwood C

更新日期：1992-10-01 00:00:00

abstract：:Copper(II) complexes supported by N3-tridentate ligands, consisting of a rigid cyclic diamine (8-membered cyclic-diamine; L8 or 7-membered cyclic-diamine; L7) and a 2-(2-pyridyl)ethyl (-CH2CH2Py) group, were synthesized and structurally characterized. Reaction of the copper(II) complexes and cumene hydroperoxide (CmOO...

journal_title：Journal of inorganic biochemistry

authors： Abe T,Morimoto Y,Mieda K,Sugimoto H,Fujieda N,Ogura T,Itoh S

更新日期：2017-12-01 00:00:00

abstract：:Reactions of bacterial Fe(III) cyt b562, HbO2, met Hb and met Mb with Et3PAuCl and Et3PAuNO3 (and some related complexes) have been investigated by electronic absorption and EPR and NMR spectroscopy. Except for met Hb, which denatured, the products were novel high-spin Fe(III) heme proteins. The reactions of cyt b562 ...

journal_title：Journal of inorganic biochemistry

authors： Grootveld MC,Otiko G,Sadler PJ,Cammack R

更新日期：1986-05-01 00:00:00