Crystallization of calcium carbonate salts into beta-chitin scaffold.

abstract：:The synthesis, structural characterization, voltammetric experiments and antibacterial activity of [Ni(sulfisoxazole)(2)(H(2)O)(4)].2H(2)O and [Ni(sulfapyridine)(2)] were studied and compared with similar previously reported copper complexes. [Ni(sulfisoxazole)(2)(H(2)O)(4)].2H(2)O crystallized in a monoclinic system,...

journal_title：Journal of inorganic biochemistry

authors： Mondelli M,Bruné V,Borthagaray G,Ellena J,Nascimento OR,Leite CQ,Batista AA,Torre MH

更新日期：2008-02-01 00:00:00

abstract：:Anticancer activity of the new [Ru(η(5)-C5H5)(PPh3)(Me2bpy)][CF3SO3] (Me2bpy = 4,4'-dimethyl-2,2'-bipyridine) complex was evaluated in vitro against several human cancer cell lines, namely A2780, A2780CisR, HT29, MCF7, MDAMB231 and PC3. Remarkably, the IC50 values, placed in the nanomolar and sub-micromolar range, lar...

journal_title：Journal of inorganic biochemistry

authors： Morais TS,Santos F,Côrte-Real L,Marques F,Robalo MP,Madeira PJ,Garcia MH

更新日期：2013-05-01 00:00:00

abstract：:A new anticancer-active platinum(II) compound [Pt(A9pyp)(dmso)(cbdca)], containing the E-1-(9-anthryl)-3-(2-pyridyl)-2-propenone ligand (abbreviated as A9pyp) has been synthesized by the replacement of the anionic chloride ligands in cis-[Pt(A9pyp)(dmso)Cl(2)] by the dianionic chelating cyclobutanedicarboxylate ligand...

journal_title：Journal of inorganic biochemistry

authors： Marqués-Gallego P,Contaldi S,den Dulk H,Monari M,Brouwer J,Jaehde U,Kalayda GV,Reedijk J

更新日期：2009-12-01 00:00:00

abstract：:To investigate the structure-activity relationship of vanadium complexes in inhibiting protein tyrosine phosphatase1B (PTP1B), eight mixed-ligand oxovanadium(IV) complexes, [V(IV)O(SalAla)(NN)] (H(2)SalAla for salicylidene alanine, NN for N,N'-donor heterocyclic base, namely, 2,2'-bipyridine (bpy, 1), 1,10-phenanthrol...

journal_title：Journal of inorganic biochemistry

authors： Lu L,Yue J,Yuan C,Zhu M,Han H,Liu Z,Guo M

更新日期：2011-10-01 00:00:00

abstract：:1,2-diolato ligands, such as carbohydrates and glycoproteins, tend to stabilize chromium(V), thus forming important intermediates that have been implicated in the genotoxicity of Cr(VI). Since many years, room-temperature continuous-wave electron paramagnetic resonance (EPR) at X-band microwave frequencies has been us...

journal_title：Journal of inorganic biochemistry

authors： Van Doorslaer S,Beirinckx Q,Nys K,Mangiameli MF,Cuypers B,Callens F,Vrielinck H,González JC

更新日期：2016-09-01 00:00:00

abstract：:Since the 1970s, the biological role of vanadium compounds has been discussed as insulin-mimetic or insulin-enhancer agents. The action of vanadium compounds has been investigated to determine how they influence the insulin signaling pathway. Khan and coworkers proposed key proteins for the insulin pathway study, intr...

journal_title：Journal of inorganic biochemistry

authors： Treviño S,Diaz A

更新日期：2020-07-01 00:00:00

abstract：:The interaction of heme or heme-artemisinin adducts (heme-art) with different peptides mimicking repeat sequences of the Histidine-Rich-Protein-II of Plasmodium falciparum (PfHRP-II) was investigated. The pseudo-first order rate constants of the coordination of heme or heme-art onto a histidine rich peptide, used as a...

journal_title：Journal of inorganic biochemistry

authors： Accardo A,Laurent SA,Mazarguil H,Meyer M,Robert A,Meunier B

更新日期：2007-11-01 00:00:00

abstract：:Recent studies of the reaction mechanism of the molybdenum-containing enzyme xanthine oxidase are presented. The pH-dependence of both the steady-state and rapid reaction kinetics of the enzyme exhibits is bell-shaped, with pK(a)s for the acid and alkaline limbs of 6.6 and 7.4, respectively. These are assigned to ioni...

journal_title：Journal of inorganic biochemistry

authors： Choi EY,Stockert AL,Leimkühler S,Hille R

更新日期：2004-05-01 00:00:00

abstract：:Several studies have focused on the antimicrobial effects of cerium oxide nanoparticles (CeO2-NP) but few have focused on their effects on bacteria under initial biofilm formation conditions. Streptococcus mutans is a prolific biofilm former contributing to dental caries in the presence of fermentable carbohydrates an...

journal_title：Journal of inorganic biochemistry

authors： Bhatt L,Chen L,Guo J,Klie RF,Shi J,Pesavento RP

更新日期：2020-05-01 00:00:00

abstract：:The discovery of new metal-selective complexing agents may be facilitated by applying an in vitro selection strategy. Such a strategy was recently devised to identify and enrich populations of bacteriophage that rely on Mg(II)-, Zn(II)-, or Au(III)-selective stabilization for survival in the presence of denaturing ure...

journal_title：Journal of inorganic biochemistry

authors： Whang T,Daly B,Yin J

更新日期：1996-07-01 00:00:00

abstract：:The use of chelating agents for iron and aluminum in different clinical applications has found increasing attention in the last thirty years. Desferal, deferiprone and deferasirox, chelating agents nowadays in use, are based on hydroxamic groups, hydroxyl-substituted pyridinones or aromatic ring systems. With the aim ...

journal_title：Journal of inorganic biochemistry

authors： Toso L,Crisponi G,Nurchi VM,Crespo-Alonso M,Lachowicz JI,Santos MA,Marques SM,Niclós-Gutiérrez J,González-Pérez JM,Domínguez-Martín A,Choquesillo-Lazarte D,Szewczuk Z

更新日期：2013-10-01 00:00:00

abstract：:The acsABCDE genes in the Clostridium thermoaceticum genome are used for autotrophic acetyl-CoA synthesis using the Wood-Ljungdahl pathway. A 2.8-kb region between acsC and acsD was cloned and sequenced. Two open reading frames, orf7 (approximately 1.9 kb) and acsF (approximately 0.7 kb) were identified. orf7 appears ...

journal_title：Journal of inorganic biochemistry

authors： Loke HK,Lindahl PA

更新日期：2003-01-01 00:00:00

abstract：:Copper(II) complexes of three linear unsymmetrical tridentate ligands viz. N-methyl-N'-(pyrid-2-ylmethyl)ethylenediamine (L1), N,N-dimethyl-N'-(pyrid-2-ylmethyl)ethylenediamine (L2) and N,N-dimethyl-N'-((6-methyl)pyrid-2-ylmethyl)ethylenediamine (L3) have been isolated and characterized by elemental analysis, electron...

journal_title：Journal of inorganic biochemistry

authors： Raja A,Rajendiran V,Uma Maheswari P,Balamurugan R,Kilner CA,Halcrow MA,Palaniandavar M

更新日期：2005-08-01 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

authors： Meng XG,Guo Y,Hu CW,Zeng XC

更新日期：2004-12-01 00:00:00

abstract：:Three vanadium complexes of chlorodipicolinic acid (4-chloro-2,6-dipicolinic acid) in oxidation states III, IV, and V were prepared and their properties characterized across the oxidation states. In addition, the series of hydroxylamido, methylhydroxylamido, dimethylhydroxylamido, and diethylhydroxylamido complexes we...

journal_title：Journal of inorganic biochemistry

authors： Smee JJ,Epps JA,Ooms K,Bolte SE,Polenova T,Baruah B,Yang L,Ding W,Li M,Willsky GR,la Cour A,Anderson OP,Crans DC

更新日期：2009-04-01 00:00:00

abstract：:This communication presents synthesis and spectral characterization of metalloporphyrin [Zn(X)TMPyP4] (TMPyP4 is 5,10,15,20-tetrakis (N-methylpyridinium-4-yl)porphyrin), and studies its binding onto anionic surface sites of synthetic double stranded polynucleotide Poly(A)-Poly(U). [Zn(X)TMPyP4] binding with Poly(A)-Po...

journal_title：Journal of inorganic biochemistry

authors： Tolstykh G,Sizov V,Kudrev A

更新日期：2016-08-01 00:00:00

abstract：:Copper(II) and zinc(II) complexes of the peptides Ac-HisValHis-NH2 and Ac-HisValGlyAsp-NH2 related to the active site of the enzyme CuZnSOD were studied by potentiometric and spectroscopic (UV-Vis, CD and EPR) techniques. The results reveal that both ligands have effective metal binding sites, but the tripeptide is a ...

journal_title：Journal of inorganic biochemistry

authors： Bóka B,Myari A,Sóvágó I,Hadjiliadis N

更新日期：2004-01-01 00:00:00

abstract：:Series of dinuclear species [Ru(2)(L)(2)(LH)(2)-mu-S(2)Cl(2)], [Ru(2)(L)(2)(LH)(4)-mu-Se(2)Cl(2)] (L=L(1)H and L(3)H) and [Ru(2)(L(2))(2)(L(2)H)-mu-Se(2)Cl(2)].2H(2)O, where L(1)H, L(2)H and L(3)H represent for 2-mercapto-5-phenyl-1,3,4-oxadiazole, 2-mercapto-benzimidazole and 2-mercapto-benzothiazole, respectively, h...

journal_title：Journal of inorganic biochemistry

authors： Mishra L,Vilaplana R,Singh VK,Yadaw AK,González-Vilchez F

更新日期：2001-09-01 00:00:00

abstract：:A novel antimony-phthalocyanine, [Sb(H(3)tsppc)(OH)(2)], where H(3)tsppc denotes monodeprotonated tetrakis{(2',6'-dimethyl-4'-sulfonic acid)phenoxyl}phthalocyaninate, has been synthesized through sulfonation of [Sb(tppc)(OH)(2)](+) (tppc denotes tetrakis{(2',6'-dimethyl)phenoxyl}phthalocyaninate) in concentrated sulfu...

journal_title：Journal of inorganic biochemistry

authors： Isago H,Fujita H,Sugimori T

更新日期：2012-12-01 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：:Lactoferrin (Lf) is a mammalian iron binding protein present in external secretions and in polymorphonuclear leukocytes. Its role in host defense mechanisms related to the non-immune defense system has been definitively established. Lf has two identical iron-binding sites, far from each other (44.3 A) and magnetically...

journal_title：Journal of inorganic biochemistry

authors： Fasano M,Fanali G,Polticelli F,Ascenzi P,Antonini G

更新日期：2004-08-01 00:00:00

abstract：:Terpyridine-platinum(II) (TP-Pt(II)) complexes are known to possess DNA-intercalating activity and have been regarded as potential antitumor agents. However, their cytotoxic mechanism remains unclear. To investigate the possible mechanism, a series of TP-Pt(II) compounds were prepared and their biological activities a...

journal_title：Journal of inorganic biochemistry

authors： Lo YC,Ko TP,Su WC,Su TL,Wang AH

更新日期：2009-07-01 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：:The reaction of 3-methoxyphenylacetic acid (3-MPAH), 4-methoxyphenylacetic acid (4-MPAH), 2,5-dimethyl-3-furoic acid (DMFUH) or 1,4-benzodioxane-6-carboxylic acid (BZDOH) with triphenyltin(IV) chloride (1:1) or diphenyltin(IV) dichloride (2:1) in the presence of triethylamine yielded the compounds [SnPh3(3-MPA)] (1), ...

journal_title：Journal of inorganic biochemistry

authors： Gómez-Ruiz S,Kaluderović GN,Prashar S,Hey-Hawkins E,Erić A,Zizak Z,Juranić ZD

更新日期：2008-12-01 00:00:00

abstract：:Preparations of cis- and trans-platinum(II) complexes of diethyl (pyridin-4-ylmethyl)phosphate (4-pmOpe) have been described. These complexes were identified and characterized by far-IR, 1H NMR, 13C NMR, 31P NMR and 195Pt NMR and microanalyses. The crystal and molecular structure of trans-platinum(II) complex i.e., tr...

journal_title：Journal of inorganic biochemistry

authors： Kalinowska U,Matławska K,Checińska L,Domagała M,Kontek R,Osiecka R,Ochocki J

更新日期：2005-10-01 00:00:00

abstract：:The Cu-containing nitrite reductase from Hyphomicrobium denitrificans (HydNIR) has been spectroscopically and functionally characterized. The visible absorption spectrum implies that the enzyme has two type 1 Cu ions in one subunit (ca. 50 kDa). The electron paramagnetic resonance (EPR) spectrum of HydNIR is simulated...

journal_title：Journal of inorganic biochemistry

authors： Deligeer,Fukunaga R,Kataoka K,Yamaguchi K,Kobayashi K,Tagawa S,Suzuki S

更新日期：2002-07-25 00:00:00

abstract：:Three biotinylated platinum(IV) complexes (1-3) were designed and synthesized. The resulting platinum(IV) complexes exhibited effective cytotoxicity against the tested cancer cell lines, especially complex 1, which was 2.0-9.6-fold more potent than cisplatin. These complexes were found to be rapidly reduced to their a...

journal_title：Journal of inorganic biochemistry

authors： Zhao J,Hua W,Xu G,Gou S

更新日期：2017-11-01 00:00:00

abstract：:Three new binuclear copper(II) complexes have been synthesized and structurally characterized by X-ray crystallography, [Cu(2)(1,4-tpbd)(dafo)(2)(MeOH)(2)](ClO(4))(4)·2.5H(2)O (1), [Cu(2)(1,4-tpbd) (DMSO)(2)(ClO(4))(2)](OH)(2)·6H(2)O (2) and [Cu(2)(1,4-tpbd)(OAC)(2)(ClO(4))(2)]·5H(2)O (3) (1,4-tpbd=N,N,N',N'-tetrakis(...

journal_title：Journal of inorganic biochemistry

authors： Li DD,Tian JL,Gu W,Liu X,Zeng HH,Yan SP

更新日期：2011-06-01 00:00:00

abstract：:Anhydrotetracycline (AHTC) is the major toxic decomposition product of the antibiotic tetracycline. The complexation of AHTC to Mg(II), Al(III), and Fe(III) was studied in aqueous medium using absorption and circular dichroism measurements. The study of the Mg(II)-AHTC interactions at pH 7 indicated the formation of t...

journal_title：Journal of inorganic biochemistry

authors： Machado FC,Demicheli C,Garnier-Suillerot A,Beraldo H

更新日期：1995-11-15 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...

journal_title：Journal of inorganic biochemistry

authors： van Rixel VH,Busemann A,Göttle AJ,Bonnet S

更新日期：2015-09-01 00:00:00