abstract：:The syntheses of three platinum(II) complexes bearing sulfonamide-((E)-2-(4-methylphenylsulfonamido)-2',6'-difluoroazobenzene, HL1) and hydroxy-azo-2,6-difluorobenzene ((E)-2-((2,6-difluorophenyl)diazenyl)phenol, HL2) bidentate ligands is described. These complexes, [Pt(L1)(DMSO)Cl] (1), [Pt(L2)(DMSO)Cl] (2), and [Pt(...

journal_title：Journal of inorganic biochemistry

authors： Samper KG,Marker SC,Bayón P,MacMillan SN,Keresztes I,Palacios Ò,Wilson JJ

更新日期：2017-12-01 00:00:00

abstract：:The cyanobacterium Synechococcus sp. PCC 7002 produces a monomeric hemoglobin (GlbN) implicated in the detoxification of reactive nitrogen and oxygen species. GlbN contains a b heme, which can be modified under certain reducing conditions. The modified protein (GlbN-A) has one heme-histidine C-N linkage similar to the...

journal_title：Journal of inorganic biochemistry

authors： Preimesberger MR,Johnson EA,Nye DB,Lecomte JTJ

更新日期：2017-12-01 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：:Vanadium compounds are promising anti-diabetic agents. However, reducing the metal toxicity while keeping/improving the hypoglycemic effect is still a big challenge towards the success of anti-diabetic vanadium drugs. To improve the therapeutic potency using the anti-oxidative strategy, we synthesized new N,N-dimethyl...

journal_title：Journal of inorganic biochemistry

authors： Niu X,Yang J,Yang X

更新日期：2017-12-01 00:00:00

abstract：:Zincon (ZI) is one of the most common chromophoric chelating probes for the determination of Zn2+ and Cu2+ ions. It is also known to bind other metal ions. However, literature data on its binding properties and molar absorption coefficients are rather poor, varying among publications or determined only in certain cond...

journal_title：Journal of inorganic biochemistry

authors： Kocyła A,Pomorski A,Krężel A

更新日期：2017-11-01 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：:In this work we report a series of Cu(II) complexes [Cu(N-N)2(X)]+, (N-N=substituted 1,10-phenanthroline derivatives and X=Cl- or NO3-), with tunable E1/2 for electrochemical reduction [CuII(N-N)2(X)]++1e-⇌[CuI(N-N)2]+X-. The disproportion of O2•- was explored in presence of the electro-generated species [CuI(N-N)2]+ ...

journal_title：Journal of inorganic biochemistry

authors： Manzanera-Estrada ME,Cruz-Ramírez M,Flores-Alamo M,Gracia Y Jiménez JM,Galindo-Murillo R,García-Ramos JC,Ruiz-Azuara L,Ortiz-Frade L

更新日期：2017-10-01 00:00:00

abstract：:Acute promyelocytic leukemia (APL) is characterized and driven by the promyelocytic leukemia protein-retinoic acid receptor alpha (PML-RARα) fusion gene. Previous studies have highlighted the importance of PML-RARα degradation in the treatment against APL. Considering the presence of two zinc fingers in the PML-RARα f...

journal_title：Journal of inorganic biochemistry

authors： Zhu B,Wang JY,Zhou JJ,Zhou F,Cheng W,Liu YT,Wang J,Chen X,Chen DH,Luo L,Hua ZC

更新日期：2017-10-01 00:00:00

abstract：:The interaction between a ruthenium - based water soluble oxygen probe ([Ru(Phen)3]2+, phen - phenanthroline) and human serum albumin (HSA) was investigated with the aim of describing the influence of HSA on the [Ru(Phen)3]2+ luminescence properties. Nowadays, several oxygen sensitive luminescent probes are used to de...

journal_title：Journal of inorganic biochemistry

authors： Belej D,Jurasekova Z,Nemergut M,Wagnieres G,Jancura D,Huntosova V

更新日期：2017-09-01 00:00:00

abstract：:Glutaredoxins (Grxs) are ubiquitous thioltransferases and members of the thioredoxin (Trx) fold superfamily. They have multiple functions in cells including oxidative stress responses and cell signaling. A novel glutaredoxin from buckwheat (rbGrx) with higher catalytic activity was identified, cloned, and purified. Th...

journal_title：Journal of inorganic biochemistry

authors： Zhang X,Wang W,Li C,Zhao Y,Yuan H,Tan X,Wu L,Wang Z,Wang H

更新日期：2017-08-01 00:00:00

abstract：:The cytotoxic potency of a series of triphenyltin(IV) compounds of general composition [Ph3Sn(Ln)] (1-6) has been probed in vitro employing MDA-MB-231 (human breast cancer) and HeLa (human cervical cancer) cell lines, where Ln=L1-3; isomeric 2/3/4-{(E)-2-[4-(dimethylamino)phenyl]diazenyl}benzoates and L4-6 are their c...

journal_title：Journal of inorganic biochemistry

authors： Basu Baul TS,Dutta D,Duthie A,Prasad R,Rana NK,Koch B,Tiekink ERT

更新日期：2017-08-01 00:00:00

abstract：:Cisplatin (CDDP) can form interprotein cross-links, leading to the formation of platinated oligomers. A dimer, a trimer and higher oligomers of bovine pancreatic ribonuclease (RNase A) obtained upon reaction with CDDP in 1:10 protein to metal ratio at 37°C have been previously characterized. Here, we verify the abilit...

journal_title：Journal of inorganic biochemistry

authors： Picone D,Donnarumma F,Ferraro G,Gotte G,Fagagnini A,Butera G,Donadelli M,Merlino A

更新日期：2017-08-01 00:00:00

abstract：:Aggregation of amyloid β-proteins (Aβ) induced by Cu2+ is a crucial element in the pathogenesis of Alzheimer's disease (AD), and cerebral acidosis is a common complication of AD. Under mildly acidic conditions, Cu2+-Aβ species have higher tendency to generate neurotoxic aggregates. Hence it is of significance to devel...

journal_title：Journal of inorganic biochemistry

authors： Xie B,Liu F,Dong X,Wang Y,Liu XM,Sun Y

更新日期：2017-06-01 00:00:00

abstract：:A number of oxidovanadium(IV) complexes have been reported to display anticancer activity. A theranostic approach, based on the simultaneous observation of both the effect of oxidovanadium(IV) complexes on cell viability and the disclosure of their intracellular fate, is possible by using oxidovanadium(IV) complexes f...

journal_title：Journal of inorganic biochemistry

authors： Lovisari M,Volpi G,Marabello D,Cadamuro S,Deagostino A,Diana E,Barge A,Gallicchio M,Boscaro V,Ghibaudi E

更新日期：2017-05-01 00:00:00

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

authors： Lopes J,Alves D,Morais TS,Costa PJ,Piedade MF,Marques F,Villa de Brito MJ,Helena Garcia M

更新日期：2017-04-01 00:00:00

abstract：:In this paper, Bi2S3 nanospheres with size of 212nm were prepared by a simple hydrothermal process. The selectively enhanced antibacterial effects of Bi2S3 nanospheres with three classes of ineffective antibiotics, β-lactam (cefuroxime, CXM; cefotaxime, CTX and piperacillin, PIP), quinolone (ciprofloxacin, CIP) and am...

journal_title：Journal of inorganic biochemistry

authors： Ma L,Wu J,Wang S,Yang H,Liang D,Lu Z

更新日期：2017-03-01 00:00:00

abstract：:Seven ferrocenyl naphthalene diimide (FND) ligands were synthesized. Each had a higher affinity for tetraplex DNA than for either single- or double-stranded DNA. The FND binding affinities were >105M-1 in 0.10M AcOH-AcONa or AcOH-AcOK (pH5.5) containing 0.10M NaCl or KCl. The FNDs with the highest binding affinities f...

journal_title：Journal of inorganic biochemistry

authors： Sato S,Takenaka S

更新日期：2017-02-01 00:00:00

abstract：:HtaA is a heme-binding protein that is part of the heme uptake system in Corynebacterium diphtheriae. HtaA contains two conserved regions (CR1 and CR2). It has been previously reported that both domains can bind heme; the CR2 domain binds hemoglobin more strongly than the CR1 domain. In this study, we report the bioph...

journal_title：Journal of inorganic biochemistry

authors： Uluisik RC,Akbas N,Lukat-Rodgers GS,Adrian SA,Allen CE,Schmitt MP,Rodgers KR,Dixon DW

更新日期：2017-02-01 00:00:00

abstract：:The binding and reactivity of the hydrosulfide ion (HS-) to iron(II) porphyrinates has been examined for several synthetic meso-tetraphenylporphine (TPP) derivatives. In all cases, HS- coordinates to the iron centers in a 1:1 stoichiometry with formation constants (Kf) that reflect the electronic characteristics of th...

journal_title：Journal of inorganic biochemistry

authors： Meininger DJ,Arman HD,Tonzetich ZJ

更新日期：2017-02-01 00:00:00

abstract：:Synthesis and spectroscopic properties of seven new dibutyltin(IV) compounds of 2-{(E)-4-hydroxy-3-[(E)-4-(aryl)iminomethyl]phenyldiazenyl}benzoic acids (LnHH'; n=2-8) with general formula {[Bu2Sn(LnH)]2O}2 (1-7) are reported. The compounds were characterized by elemental analysis and by UV-Visible, fluorescence, IR, ...

journal_title：Journal of inorganic biochemistry

authors： Basu Baul TS,Dutta D,Duthie A,Guchhait N,Rocha BGM,Guedes da Silva MFC,Mokhamatam RB,Raviprakash N,Manna SK

更新日期：2017-01-01 00:00:00

abstract：:Casiopeinas is the generic name of a group of copper chelated complexes designed to be used as antineoplastic. Some of these compounds have shown promising results, and in fact, one of them named Casiopeina III-ia has completed preclinical trials and is ready to start clinical phase I in Mexico. As part of the tests t...

journal_title：Journal of inorganic biochemistry

authors： Serment-Guerrero J,Bravo-Gomez ME,Lara-Rivera E,Ruiz-Azuara L

更新日期：2017-01-01 00:00:00

abstract：:The reaction of E-2-ferrocenylmethylidenetetralones and E,E-2,6-bis-(ferrocenylmethylidene)-cyclohexanone with 2-aminothiophenol proceed with high diastereoselectivity, forming the ~4.5:1 mixture of trans- and cis-isomers of polycyclic ferrocenylthiazepines, respectively. The reactions of E,E-2,5-bis-(ferrocenylmethyl...

journal_title：Journal of inorganic biochemistry

authors： Sánchez García JJ,Toledano-Magaña Y,Flores-Alamo M,Martínez-Klimova E,Galindo-Murillo R,Hernández-Ayala LF,Ortiz-Frade L,García-Ramos JC,Klimova EI

更新日期：2017-01-01 00:00:00

abstract：:The metallodrug chloridotetrakis(ibuprofenato)diruthenium(II,III) ([Ru2(Ibp)4Cl] or RuIbpCl (1), Ibp=carboxylate anion derived from the non-steroidal anti-inflammatory drug ibuprofen) has shown promising results in vitro and in vivo, which point to its potential as an inhibitor of glioma tumour growth in vivo. In orde...

journal_title：Journal of inorganic biochemistry

authors： Hanif-Ur-Rehman,Freitas TE,Gomes RN,Colquhoun A,de Oliveira Silva D

更新日期：2016-12-01 00:00:00

abstract：:The phosphane Cu(I) complex [Cu(thp)4][PF6], 1 (thp=tris(hydroxymethyl)phosphane) shows notable in vitro antitumour activity against a wide range of solid tumours. Uptake experiments performed in 1-treated colon cancer cells by atomic absorption spectrometry, reveal that the antiproliferative activity is consistent wi...

journal_title：Journal of inorganic biochemistry

authors： Tisato F,Marzano C,Peruzzo V,Tegoni M,Giorgetti M,Damjanovic M,Trapananti A,Bagno A,Santini C,Pellei M,Porchia M,Gandin V

更新日期：2016-12-01 00:00:00

abstract：:This study performed in vitro and in vivo biological assays of the ruthenium (II) compound ct-[RuCl(CO)(dppb)(bipy)]PF6 (where, dppb=1,4-bis(diphenylphosphine)butane and bipy=2,2'-bipyridine). The cytotoxic activity of this compound was evaluated against different tumor cell lines (HeLa, human cervical adenocarcinoma;...

journal_title：Journal of inorganic biochemistry

authors： Carnizello AP,Barbosa MI,Martins M,Ferreira NH,Oliveira PF,Magalhães GM,Batista AA,Tavares DC

更新日期：2016-11-01 00:00:00

abstract：:The three dinuclear silver(I) complexes of N-heterocyclic carbene (NHC) ligands, [Ag2(L-1a)](PF6)2·2CH3CN (Ag-1a), [Ag2(L-2)2](PF6)2·H2O (Ag-2), and [Ag2(L-4)2](PF6)2·2CH3CN (Ag-4), were synthesized by reactions of Ag2O with the corresponding PF6- salt of the NHC precursors indicated as H4L-1(PF6)4, H2L-2(PF6)2, and H...

journal_title：Journal of inorganic biochemistry

authors： Sakamoto R,Morozumi S,Yanagawa Y,Toyama M,Takayama A,Kasuga NC,Nomiya K

更新日期：2016-10-01 00:00:00

abstract：:To construct the model of metallohydrolase, two inclusion complexes [MLCl2(β-CD)] (1, M=Zn(II); 2, M=Cu(II); L=N,N'-bis(2-pyridylmethyl)amantadine; β-CD=β-cyclodextrin) were synthesized by mixing β-CDs with the pre-synthesized complexes G1, [ZnLCl2] and G2, [CuLCl2]. Structures of G1, G2, 1 and 2 were characterized by...

journal_title：Journal of inorganic biochemistry

authors： Zhou YH,Chen LQ,Tao J,Shen JL,Gong DY,Yun RR,Cheng Y

更新日期：2016-10-01 00:00:00

abstract：:The basic knowledge about biological inorganic chemistry, thermodynamics and metal binding sites of metalloproteins is crucial for the understanding of their metal binding-structure-function relationship. Metal-peptide complexes are useful and commonly used models of metal-enzyme active sites, among which copper and z...

journal_title：Journal of inorganic biochemistry

authors： Kołkowska P,Hecel A,Kędzierska D,Ostrowska M,Walencik PK,Wątły J,Zdyb K,Spodzieja M,Rodziewicz-Motowidło S,Potocki S,Łuczkowski M,Gumienna-Kontecka E,Rowińska-Żyrek M

更新日期：2016-10-01 00:00:00

abstract：SYNOPSIS:MnII complexes formed with cis- and trans-DO2A (DO2A=1,4,7,10-tetraazacyclododecane-1,4 (or 1,7) -diacetic acid) chelators were investigated by pH-potentiometry, 1H relaxometry, UV-vis spectrophotometry and cyclic voltammetry. The physico-chemical characteristics of MnII complexes of these structure isomers do...

journal_title：Journal of inorganic biochemistry

authors： Garda Z,Forgács A,Do QN,Kálmán FK,Timári S,Baranyai Z,Tei L,Tóth I,Kovács Z,Tircsó G

更新日期：2016-10-01 00:00:00

abstract：:Parkinson's disease (PD) is a severe neurodegenerative disorder affecting movements. After Alzheimer's disease, it is the most common form of neurodegeneration. PD is characterized by the loss of neurons producing dopamine and by the presence of protein aggregates in the brain, known as Lewy bodies. The main constitue...

journal_title：Journal of inorganic biochemistry

authors： Valensin D,Dell'Acqua S,Kozlowski H,Casella L

更新日期：2016-10-01 00:00:00

abstract：:Insulin resistance is identified through numerous pathophysiological conditions, such as Diabetes mellitus II, obesity, hypertension and other metabolic syndromes. Enhancement of insulin action and\or its complete replacement by insulin-enhancing or insulin-mimetic agents seems to improve treatment of metabolic diseas...

journal_title：Journal of inorganic biochemistry

authors： Tsave O,Yavropoulou MP,Kafantari M,Gabriel C,Yovos JG,Salifoglou A

更新日期：2016-10-01 00:00:00

abstract：:Evidence is growing that metabolites of Cr(III) dietary supplements are partially oxidized to carcinogenic Cr(VI) and Cr(V) in vivo. Hence, we examined oxidations of Cr(III) peptide (triglycine, tetraglycine and pentaglycine) complexes to Cr(VI) and Cr(V) by PbO2 at 37°C and physiological pH values between 3.85 and 7....

journal_title：Journal of inorganic biochemistry

authors： Headlam HA,Lay PA

更新日期：2016-09-01 00:00:00

abstract：:EPR-based potentiometric titrations are a well-established method for determining the reduction potentials of cofactors in large and complex proteins with at least one EPR-active state. However, such titrations require large amounts of protein. Here, we report a new method that requires an order of magnitude less prot...

journal_title：Journal of inorganic biochemistry

authors： Wright JJ,Salvadori E,Bridges HR,Hirst J,Roessler MM

更新日期：2016-09-01 00:00:00

abstract：:Quantitative characterization of metalloproteins at molecular and atomic levels generally requires tens of milligrams of highly purified samples, a situation frequently challenged by problems in generating unmodified native forms. A variety of affinity tags, such as the popular poly-histidine tag, have been developed ...

journal_title：Journal of inorganic biochemistry

authors： Wijekoon CJK,Ukuwela AA,Wedd AG,Xiao Z

更新日期：2016-09-01 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：:The synthesis, physico-chemical characterization and cytotoxicity against five human tumoral cell lines (THP-1, U937, Molt-4, Colo205 and H460) of three new cobalt(II) coordination compounds are reported (i.e. Co(HL1)Cl (1), Co(HL2)Cl (2) and [Co(HL3)Cl]0.0.5 (CH3)2CHOH (3)). H2L2 (2-{[[2-hydroxy-3-(1-naphthyloxy)prop...

journal_title：Journal of inorganic biochemistry

authors： Morcelli SR,Bull ÉS,Terra WS,Moreira RO,Borges FV,Kanashiro MM,Bortoluzzi AJ,Maciel LL,de A Almeida JC,Júnior AH,Fernandes C

更新日期：2016-08-01 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：:Development of antibiotic resistance in bacteria causes major challenges for our society and has prompted a great need for new and alternative treatment methods for infection. One promising approach is to target bacterial virulence using for example salicylidene acylhydrazides (hydrazones). Hydrazones coordinate metal...

journal_title：Journal of inorganic biochemistry

authors： Hakobyan S,Rzhepishevska O,Björn E,Boily JF,Ramstedt M

更新日期：2016-07-01 00:00:00

abstract：:A series of arene ruthenium(II) complexes with the general formula [(η(6)-arene)Ru(L)X2] (where arene=p-cymene, benzene, hexamethylbenzene or mesitylene, L=aminoflavone or aminochromone derivatives and X=Cl, I) were synthesized and characterized by elemental analysis, MS, IR and (1)H NMR spectroscopy. The stability of...

journal_title：Journal of inorganic biochemistry

authors： Pastuszko A,Majchrzak K,Czyz M,Kupcewicz B,Budzisz E

更新日期：2016-06-01 00:00:00

abstract：:Multicopper oxidases (MCO) are the fastest and most efficient known catalysts of the oxygen-reduction reaction. When all four copper ions are oxidized during catalysis, the native intermediate state (NI) decays in seconds to the resting oxidized state (RO), which returns to the catalytic cycle via reduction, but at a ...

journal_title：Journal of inorganic biochemistry

authors： Machczynski MC,Babicz JT Jr

更新日期：2016-06-01 00:00:00