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Peng M, Song D, Ling X, Jiang W, Zhang Y, Yang Y, Le J. Using thermal forced degradation approach for impurity profiling of budesonide solution-formulated metered dose inhalation with implementation of LC-QTOFMS and HPLC-UV. J Pharm Biomed Anal 2022; 208:114445. [PMID: 34763210 DOI: 10.1016/j.jpba.2021.114445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Revised: 10/13/2021] [Accepted: 10/23/2021] [Indexed: 11/24/2022]
Abstract
The impurity profile of budesonide solution-formulated metered dose inhalation using thermal forced degradation approach was studied intensively in this article. The structural identification of 10 budesonide related impurities was conducted by LC-QTOFMS, and the impurity level in the formulations of different excipients and packing materials were compared using HPLC-UV. Based on our results, the impurities were classified into three groups: (Ⅰ) process impurities, including budesonide impurity A, C and F; (Ⅱ) degradation products, including budesonide impurity E, G, D, 17-carboxylate, and 17-ketone; (Ⅲ) not only process impurities but also degradation products, including budesonide impurity I and L. Budesonide impurity D, 17-carboxylate, 17-ketone and impurity L were found to be the major degradation products of budesonide, and the reaction pathways for the generation of these impurities were speculated. The generation of budesonide impurity D, 17-carboxylate and L was found to be an aerobic oxidation process induced by Al2O3 on the inner surface of aluminum canisters. Furthermore, an in-depth discussion on the proposed impact of the excipients on budesonide degradation, especially on the Al2O3-induced oxidation process, was provided in this article.
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Affiliation(s)
- Ming Peng
- Department of Chemistry, NMPA Key Laboratory for Quality Analysis of Chemical Drug Preparations, Shanghai Institute for Food and Drug Control, Shanghai 201203, China
| | - Dongmei Song
- Department of Chemistry, NMPA Key Laboratory for Quality Analysis of Chemical Drug Preparations, Shanghai Institute for Food and Drug Control, Shanghai 201203, China
| | - Xia Ling
- Department of Chemistry, NMPA Key Laboratory for Quality Analysis of Chemical Drug Preparations, Shanghai Institute for Food and Drug Control, Shanghai 201203, China
| | - Wenming Jiang
- Department of Chemistry, NMPA Key Laboratory for Quality Analysis of Chemical Drug Preparations, Shanghai Institute for Food and Drug Control, Shanghai 201203, China
| | - Ye Zhang
- Department of Chemistry, NMPA Key Laboratory for Quality Analysis of Chemical Drug Preparations, Shanghai Institute for Food and Drug Control, Shanghai 201203, China
| | - Yongjian Yang
- Department of Chemistry, NMPA Key Laboratory for Quality Analysis of Chemical Drug Preparations, Shanghai Institute for Food and Drug Control, Shanghai 201203, China
| | - Jian Le
- Department of Chemistry, NMPA Key Laboratory for Quality Analysis of Chemical Drug Preparations, Shanghai Institute for Food and Drug Control, Shanghai 201203, China.
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Tong Y, Xu H, Li T, Kong Z, Li J, Fan QH, Xu H, Jin H, Wang K. A novel flower-like hierarchical aluminum-based MOF anode for high-performance lithium-ion batteries. CrystEngComm 2022. [DOI: 10.1039/d2ce00786j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Metal–organic frameworks, an emerging electrode material, are mostly synthesized by using costly, limited reserve and environmentally unfriendly metals as nodes.
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Affiliation(s)
- Yihong Tong
- Suzhou Academy, Xi'an Jiaotong University, Suzhou, Jiangsu 215123, China
- Nano Science and Technology Institute, University of Science and Technology of China, Suzhou, Jiangsu 215123, China
- Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou, Jiangsu 215123, China
| | - Hongyuan Xu
- Suzhou Academy, Xi'an Jiaotong University, Suzhou, Jiangsu 215123, China
- Nano Science and Technology Institute, University of Science and Technology of China, Suzhou, Jiangsu 215123, China
- Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou, Jiangsu 215123, China
| | - Ting Li
- Suzhou Academy, Xi'an Jiaotong University, Suzhou, Jiangsu 215123, China
| | - Zhao Kong
- Suzhou Academy, Xi'an Jiaotong University, Suzhou, Jiangsu 215123, China
- Nano Science and Technology Institute, University of Science and Technology of China, Suzhou, Jiangsu 215123, China
- Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou, Jiangsu 215123, China
| | - Jiawei Li
- Suzhou Academy, Xi'an Jiaotong University, Suzhou, Jiangsu 215123, China
- Nano Science and Technology Institute, University of Science and Technology of China, Suzhou, Jiangsu 215123, China
- Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou, Jiangsu 215123, China
| | - Qi Hua Fan
- Department of Electrical Engineering and Computer Engineering and Department of Chemical Engineering and Materials Science, Michigan State University, East Lansing, Michigan 48824, USA
| | - Hui Xu
- Suzhou Academy, Xi'an Jiaotong University, Suzhou, Jiangsu 215123, China
| | - Hong Jin
- Suzhou Academy, Xi'an Jiaotong University, Suzhou, Jiangsu 215123, China
| | - Keliang Wang
- Fraunhofer USA, Inc., Center Midwest, Division for Coatings and Diamond Technologies, Michigan State University, East Lansing, MI 48824, USA
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Gao M, Wu X, Yi S, Sun S, Yu C, Yan D, Yang HY, Zhao H, Bai Y. Quasi-solid electrolyte developed on hierarchical rambutan-like γ-AlOOH microspheres with high ionic conductivity for lithium ion batteries. NANOSCALE 2021; 13:13310-13317. [PMID: 34477737 DOI: 10.1039/d1nr02046c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Upgrading liquid electrolytes with all-solid-state electrolytes (ASEs) or quasi-solid-state electrolytes (QSEs) for solid-state batteries (SBs) have emerged not only to address the intrinsic disadvantages of traditional liquid lithium ion batteries, but also to offer more possibilities for the development of new battery chemistries. In this work, a novel rambutan-like yolk-shell-structured porous γ-AlOOH microsphere with a large specific surface area of 262.92 m2 g-1 was firstly obtained by a simple hydrothermal synthesis route, which was then utilized as a robust framework to assemble QSE via encapsulating abundant liquid electrolyte (LE). The obtained γ-AlOOH-QSE exhibits a high ionic conductivity of 4.0 × 10-3 S cm-1, a large lithium ion transference number (tLi+) of 0.76, as well as a wide electrochemical window of 4.72 V vs. Li/Li+. Moreover, the assembled cell of LiFePO4/γ-AlOOH-QSE/Li could maintain a high specific capacity of 144.4 mA h g-1 even after 120 cycles with almost negligible capacity decay, which could be mainly attributed to the excellent interfacial compatibility, prominent performance in suppressing lithium dendrite growth upon cycling (rigid characteristic), as well as the high ionic conductivity of γ-AlOOH-QSE (intrinsic advantage). This work could not only expand the applications of QSE with cost-effective aluminum-based oxides with facile fabrication strategy, but also will shed light on the construction of SEs with more integrated QSEs and ASEs in the field of advanced energy storage.
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Affiliation(s)
- Mengmeng Gao
- International Joint Research Laboratory of New Energy Materials and Devices of Henan Province, School of Physics and Electronics, Henan University, Kaifeng, 475004, P. R. China.
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Matsia S, Tsave O, Hatzidimitriou A, Gabriel C, Salifoglou A. The aqueous structural speciation of binary thallium-hydroxycarboxylic acid systems. Structure-chemical (bio)reactivity correlations. J Inorg Biochem 2021; 222:111469. [PMID: 34192625 DOI: 10.1016/j.jinorgbio.2021.111469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 03/25/2021] [Accepted: 04/24/2021] [Indexed: 11/28/2022]
Abstract
Among transition and non-transition metals, thallium is a unique case of an element which, despite its known toxicity, provides interesting challenges through its biology and chemistry linked to diagnosis of human pathophysiologies. Poised to investigate in-depth the structural and electronic aspects of thallium involvement in physiological processes, the synthetic exploration of aqueous binary systems of Tl(I) with physiological binders from the family of hydroxycarboxylic acids (glycolic, lactic, mandelic and citric acid) was pursued in a pH-specific fashion. The isolated crystalline coordination polymers, emerging from that effort, were physicochemically characterized through elemental analysis, FT-IR, ESI-MS, 1H-/13C-NMR, and X-ray crystallography. The coordination environment of thallium in each molecular Tl(I) assembly, along with lattice dimensionality (2D3D), reflects the contributions of the ligands, collectively exemplifying interactions probed into though BVS and Hirshfeld surface analysis. The results portray a well-defined solid-state and solution profile for all species investigated, thereby providing the basis for their subsequent selection into in vitro biological studies involving the (patho)physiological cell lines 3T3-L1, Saos-2, C2C12, and MCF-7. Biotoxicity profiles, encompassing cell viability, morphology, and cell growth support clearly a concentration-, time-, and cell tissue-specific behavior for the chosen Tl(I) compounds in a structure-specific fashion. Collectively, the chemical experimental data support the biological results in formulating a structure-specific behavior for Tl(I)-hydroxycarboxylato species with respect to biotoxicity mechanisms in a (patho)physiological environment. The accrued knowledge stands as the foreground for further investigation into the relevant biological chemistry of Tl(I) and molecular technologies targeting its sequestration and removal from cellular media.
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Affiliation(s)
- S Matsia
- Laboratory of Inorganic Chemistry and Advanced Materials, School of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - O Tsave
- Laboratory of Inorganic Chemistry and Advanced Materials, School of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - A Hatzidimitriou
- Laboratory of Inorganic Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - C Gabriel
- Laboratory of Inorganic Chemistry and Advanced Materials, School of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece; Center for Research of the Structure of Matter, Magnetic Resonance Laboratory, School of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - A Salifoglou
- Laboratory of Inorganic Chemistry and Advanced Materials, School of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece.
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Ahmed K, Saikia G, Paul S, Baruah SD, Talukdar H, Sharma M, Islam NS. Water-soluble polymer anchored peroxotitanates as environmentally clean and recyclable catalysts for mild and selective oxidation of sulfides with H2O2 in water. Tetrahedron 2019. [DOI: 10.1016/j.tet.2019.130605] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Shafie MH, Yusof R, Gan CY. Synthesis of citric acid monohydrate-choline chloride based deep eutectic solvents (DES) and characterization of their physicochemical properties. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.111081] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Synthesis and encapsulation of V(IV,V) compounds in silica nanoparticles targeting development of antioxidant and antiradical nanomaterials. J Inorg Biochem 2019; 194:180-199. [PMID: 30875656 DOI: 10.1016/j.jinorgbio.2018.12.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2018] [Revised: 11/14/2018] [Accepted: 12/02/2018] [Indexed: 01/09/2023]
Abstract
The quest for effective treatments of oxidative stress has concentrated over the years on new nanomaterials with improved antioxidant and antiradical activity, thereby attracting broad research interest. In that regard, research efforts in our lab were launched to pursue such hybrid materials involving a) synthesis of silica gel matrices, b) evaluation of the suitability of atoxic matrices as potential carriers for the controlled release of V(IV)(VOSO4), V(V)(NaVO3) compounds and a newly synthesized heterometallic lithium-vanadium(IV,V) tetranuclear compound containing vanadium-bound hydroxycarboxylic 1,3-diamine-2-propanol-N,N,N',N'-tetraacetic acid (DPOT), and c) investigation of structural and textural properties of silica nanoparticles (NPs) by different and complementary characterization techniques, inquiring into the nature of the encapsulated vanadium species and their interaction with the siloxane matrix, collectively targeting novel antioxidant and antiradical nanomaterials biotechnology. The physicochemical characterization of the vanadium-loaded SiO2 NPs led to the formulation of optimized material configuration linked to the delivery of the encapsulated antioxidant-antiradical load. Entrapment and drug release studies showed a) the competence of hybrid nanoparticles with respect to encapsulation efficiency of the vanadium compound (concentration dependence), b) congruence with the physicochemical features determined, and c) a well-defined release profile of NP load. Antioxidant properties and the free radical scavenging capacity of the new hybrid materials (containing VOSO4, NaVO3, and V-DPOT) were demonstrated through a) 2-diphenyl-1-picrylhydrazyl (DPPH) free radical, and b) intracellular-extracellular reactive oxygen species (ROS) assays, through UV-Visible spectroscopy techniques, collectively showing that the hybrid silica NPs (empty-loaded) could serve as an efficient platform for nanodrug formulations counteracting oxidative stress.
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Matsia S, Tsave O, Hatzidimitriou A, Gabriel C, Bertmer M, Salifoglou A. A Systematic Synthetic Study of the Aqueous Chemistry of Binary Boron–Hydroxycarboxylic Acid Systems: Boron Structural Speciation Correlation to the Biotoxicity Profile. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201701212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Sevasti Matsia
- Laboratory of Inorganic Chemistry and Advanced Materials Aristotle University of Thessaloniki Department of Chemical Engineering 54124 Thessaloniki Greece
| | - Olga Tsave
- Laboratory of Inorganic Chemistry and Advanced Materials Aristotle University of Thessaloniki Department of Chemical Engineering 54124 Thessaloniki Greece
| | - Antonios Hatzidimitriou
- Laboratory of Inorganic Chemistry Department of Chemistry Aristotle University of Thessaloniki 54124 Thessaloniki Greece
| | - Catherine Gabriel
- Laboratory of Inorganic Chemistry and Advanced Materials Aristotle University of Thessaloniki Department of Chemical Engineering 54124 Thessaloniki Greece
- Center for Research of the Structure of Matter, Magnetic Resonance Laboratory Department of Chemical Engineering Aristotle University of Thessaloniki 54124 Thessaloniki Greece
| | - Marko Bertmer
- Faculty of Physics and Earth Sciences Institute of Experimental Physics II Leipzig University 04103 Leipzig Germany
| | - Athanasios Salifoglou
- Laboratory of Inorganic Chemistry and Advanced Materials Aristotle University of Thessaloniki Department of Chemical Engineering 54124 Thessaloniki Greece
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9
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Cardiano P, Cigala RM, Crea F, Giacobello F, Giuffrè O, Irto A, Lando G, Sammartano S. Sequestration of Aluminium(III) by different natural and synthetic organic and inorganic ligands in aqueous solution. CHEMOSPHERE 2017; 186:535-545. [PMID: 28806680 DOI: 10.1016/j.chemosphere.2017.08.015] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 07/11/2017] [Accepted: 08/04/2017] [Indexed: 06/07/2023]
Abstract
The speciation of Al3+ in aqueous solutions containing organic and inorganic ligands important from a biological (citrate (Cit3-), gluconate (Gluc-), lactate (Lac-), silicate (H2SiO42-), carbonate (CO32-), fluoride (F-)) and industrial (Gantrez®; polymethyl-vinyl-ether-co-maleic acids; GTZ S95 and GTZ AN169) point of view is reported. The stability constants of Al3+/Lz- complexes (Lz- = ligand with z- charge) were determined by potentiometry at T = 298.15 K and 0.10 ≤ I/M ≤ 1.00 in NaCl(aq) (in NaNO3(aq) only for Al3+/GTZ S95 and Al3+/Gluc- acid systems). For Al3+/Cit3-, Al3+/Lac- and Al3+/GTZ AN1694- systems, the investigations were also carried out at 283.15 ≤ T/K ≤ 318.15. The dependence of the thermodynamic parameters on ionic strength and temperature was modelled with a Debye-Hückel type equation. Different speciation schemes of Al3+/Lz- systems were obtained, including protonated, simple metal-ligand, polynuclear and hydrolytic mixed species. At I → 0 M and T = 298.15 K the stability trend for the AlL(3-z) species is: 14.28 ± 0.02, 13.99 ± 0.03, 10.16 ± 0.03, 3.16 ± 0.08, 2.84 ± 0.10 for GTZ S95, GTZ AN169, Cit3-, Gluc- and Lac-, respectively. From the investigations at different temperatures, it results that the entropic contribution is the driving force of the reactions. The sequestering ability of the ligands towards Al3+ was investigated determining the pL0.5 parameter at different experimental conditions, finding the following trend: Cit3- » Gluc- > GTZ S954- > GTZ AN1694- > Lac- for the organic ligands, and pL0.5: F- » CO32- > H2SiO42- for the inorganic ones.
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Affiliation(s)
- Paola Cardiano
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali, Università di Messina, Viale F. Stagno d'Alcontres, 31, I-98166 Messina, Vill. S. Agata, Italy
| | - Rosalia Maria Cigala
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali, Università di Messina, Viale F. Stagno d'Alcontres, 31, I-98166 Messina, Vill. S. Agata, Italy
| | - Francesco Crea
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali, Università di Messina, Viale F. Stagno d'Alcontres, 31, I-98166 Messina, Vill. S. Agata, Italy
| | - Fausta Giacobello
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali, Università di Messina, Viale F. Stagno d'Alcontres, 31, I-98166 Messina, Vill. S. Agata, Italy
| | - Ottavia Giuffrè
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali, Università di Messina, Viale F. Stagno d'Alcontres, 31, I-98166 Messina, Vill. S. Agata, Italy
| | - Anna Irto
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali, Università di Messina, Viale F. Stagno d'Alcontres, 31, I-98166 Messina, Vill. S. Agata, Italy
| | - Gabriele Lando
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali, Università di Messina, Viale F. Stagno d'Alcontres, 31, I-98166 Messina, Vill. S. Agata, Italy
| | - Silvio Sammartano
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali, Università di Messina, Viale F. Stagno d'Alcontres, 31, I-98166 Messina, Vill. S. Agata, Italy.
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10
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Iordanidou C, Tsave O, Gabriel C, Hatzidimitriou A, Yavropoulou MP, Mateescu C, Salifoglou A. Synthetic endeavors on cadmium species bearing glycolate and aromatic chelators with structure-specific biotoxic correlations in vitro. J Inorg Biochem 2017; 176:38-52. [PMID: 28846894 DOI: 10.1016/j.jinorgbio.2017.07.028] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2017] [Revised: 07/16/2017] [Accepted: 07/26/2017] [Indexed: 11/30/2022]
Abstract
Cadmium is a well-known metallotoxin widespread in the environment and easily reaching cellular targets in lower and higher organisms, including humans. The form(s) of that metal ion through which it interacts with biomolecular targets in a cellular milieu are critical in cell survival. Poised to investigate the structure-specific activity of Cd(II) in a cellular environment and delve into the associated biotoxic processes, binary and ternary systems of that metal ion in the presence of the physiological α-hydroxycarboxylic acid glycolic acid and aromatic (N,N')-binders 2,2'-bipyridine (2,2'-bipy) and 4,4'-bipyridine (4,4'-bipy) were examined synthetically in aqueous media and a pH-specific fashion. The arising new materials [Cd(C2H3O3)2]n (1), [Cd(C2H3O3)(C10H8N2)(NO3)]n·nH2O (2), and {[Cd(C2H3O3)(C10H8N2)(H2O)](NO3)}n·2nH2O (3) project coordination polymers, which were physicochemically characterized through elemental analysis, FT-IR, NMR, luminescence and X-ray crystallography. The distinct spectroscopic features of 1-3, with luminescence exemplifying distinct behavior (2,3), further corroborated by crystallographic analysis, lend credence to a structure-specific selection of species employed in ensuing in vitro biological studies. The emerging results in two different cell lines (3T3-L1, Saos-2) reveal a concentration-dependent, structure-specific and cell line-specific toxicity profile of Cd(II), reflecting its coordination composition and formulation, rendering it soluble and bioavailable (1,2). Mechanistic information riding on caspase-dependent investigation unravels that metal ion's specific behavior compromising cell survival and integrity. Employment of ethylenediamine tetraacetic acid (EDTA) a) shows efficient sequestration of Cd(II) away from its toxic reactivity denoting the strength of interactions involved, and b) lends credence to further development of appropriately configured organic binders, selectively providing molecular protection from Cd(II) toxicity.
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Affiliation(s)
- C Iordanidou
- Laboratory of Inorganic Chemistry, Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - O Tsave
- Laboratory of Inorganic Chemistry, Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - C Gabriel
- Laboratory of Inorganic Chemistry, Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece; Center for Research of the Structure of Matter, Magnetic Resonance Laboratory, Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - A Hatzidimitriou
- Laboratory of Inorganic Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - M P Yavropoulou
- Division of Clinical and Molecular Endocrinology, 1st Department of Internal Medicine, AHEPA, University Hospital, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - C Mateescu
- National Institute for Research and Development in Electrochemistry and Condensed Matter (INCEMC), Strada Dr. A. Paunescu Podeanu, nr. 144, Timisoara 300569, Timis, Romania
| | - A Salifoglou
- Laboratory of Inorganic Chemistry, Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece.
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Halevas E, Chatzigeorgiou E, Hadjispyrou S, Hatzidimitriou A, Psycharis V, Salifoglou A. pH- and ligand structure-specific synthesis, structure-lattice dimensionality and spectroscopic fingerprint in novel binary In(III)-hydroxycarboxylic acid materials. Polyhedron 2017. [DOI: 10.1016/j.poly.2016.08.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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12
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Nday C, Halevas E, Tsiaprazi-Stamou A, Eleftheriadou D, Hatzidimitriou A, Jackson G, Reid D, Salifoglou A. Synthetic investigation, physicochemical characterization and antibacterial evaluation of ternary Bi(III) systems with hydroxycarboxylic acid and aromatic chelator substrates. J Inorg Biochem 2017; 170:98-108. [DOI: 10.1016/j.jinorgbio.2017.02.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Revised: 02/01/2017] [Accepted: 02/09/2017] [Indexed: 02/02/2023]
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13
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Ai-yuan M, Jin-hui P, Li-bo Z, Li S, Kun Y, Xue-mei Z. LEACHING Zn FROM THE LOW-GRADE ZINC OXIDE ORE IN NH3-H3C6H5O7-H2O MEDIA. BRAZILIAN JOURNAL OF CHEMICAL ENGINEERING 2016. [DOI: 10.1590/0104-6632.20160334s20150376] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Ma Ai-yuan
- Yunnan Provincial Key Laboratory of Intensification Metallurgy, China; National Local Joint Laboratory of Engineering Application of Microwave Energy and Equipment Technology, China; Key Laboratory of Unconventional Metallurgy, China; Kunming University of Science and Technology, China
| | - Peng Jin-hui
- Yunnan Provincial Key Laboratory of Intensification Metallurgy, China; National Local Joint Laboratory of Engineering Application of Microwave Energy and Equipment Technology, China; Key Laboratory of Unconventional Metallurgy, China; Kunming University of Science and Technology, China
| | - Zhang Li-bo
- Yunnan Provincial Key Laboratory of Intensification Metallurgy, China; National Local Joint Laboratory of Engineering Application of Microwave Energy and Equipment Technology, China; Key Laboratory of Unconventional Metallurgy, China; Kunming University of Science and Technology, China
| | - Shiwei Li
- Yunnan Provincial Key Laboratory of Intensification Metallurgy, China; National Local Joint Laboratory of Engineering Application of Microwave Energy and Equipment Technology, China; Key Laboratory of Unconventional Metallurgy, China; Kunming University of Science and Technology, China
| | - Yang Kun
- Yunnan Provincial Key Laboratory of Intensification Metallurgy, China; National Local Joint Laboratory of Engineering Application of Microwave Energy and Equipment Technology, China; Key Laboratory of Unconventional Metallurgy, China; Kunming University of Science and Technology, China
| | - Zheng Xue-mei
- Yunnan Provincial Key Laboratory of Intensification Metallurgy, China; National Local Joint Laboratory of Engineering Application of Microwave Energy and Equipment Technology, China; Key Laboratory of Unconventional Metallurgy, China; Kunming University of Science and Technology, China
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Halevas E, Hatzidimitriou A, Gabriel C, Mateescu C, Salifoglou A. Systematic pH-specific synthesis and structure transformations in binary-ternary In(III) assemblies with hydroxycarboxylic DPOT and aliphatic-aromatic chelators. Inorganica Chim Acta 2016. [DOI: 10.1016/j.ica.2016.07.051] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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de Noronha ALO, Guimarães L, Duarte HA. Structural and Thermodynamic Analysis of the First Mononuclear Aqueous Aluminum Citrate Complex Using DFT Calculations. J Chem Theory Comput 2015; 3:930-7. [PMID: 26627413 DOI: 10.1021/ct700016f] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Structural and thermodynamic properties of the mononuclear Al/citrate complexes have been theoretically investigated aiming to understand the coordination mechanism at an atomic level. GGA-DFT/PCM calculations have been performed for the different conformations and tautomers arising from the Al(3+) and citric acid (H3L) interaction in aqueous solution. The Gibbs reaction energies were estimated based on the reaction of the trigonal planar Al(OH)3 and H3L to form different Al-citrate complexes. The estimated Gibbs free reaction energies for the [AlL], [AlHL](+), and [Al(OH)L](-) species are in good agreement with the experimental values. In these species, the Al(3+) center is coordinated by two carboxylic and the tertiary hydroxyl groups of the citrate. Conversely to what has been proposed based on the experiments, the present theoretical calculations indicate that the citric acid hydroxyl group remains protonated upon the coordination of Al(3+). In fact, our model turns out to be more consistent with the relative pKa values of citrate protonation groups and with the hydrolysis constant of the H2O bound to Al(3+) leading to better agreement with the available experimental data.
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Affiliation(s)
- Antonio Luiz Oliveira de Noronha
- Grupo de Pesquisa em Química Inorgânica Teórica - GPQIT, Departamento de Química-ICEx-UFMG, 31.270-901 Belo Horizonte, MG, Brazil
| | - Luciana Guimarães
- Grupo de Pesquisa em Química Inorgânica Teórica - GPQIT, Departamento de Química-ICEx-UFMG, 31.270-901 Belo Horizonte, MG, Brazil
| | - Hélio Anderson Duarte
- Grupo de Pesquisa em Química Inorgânica Teórica - GPQIT, Departamento de Química-ICEx-UFMG, 31.270-901 Belo Horizonte, MG, Brazil
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16
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Loiseau T, Volkringer C, Haouas M, Taulelle F, Férey G. Crystal chemistry of aluminium carboxylates: From molecular species towards porous infinite three-dimensional networks. CR CHIM 2015. [DOI: 10.1016/j.crci.2015.08.006] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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17
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Sutton CCR, da Silva G, Franks GV. Modeling the IR Spectra of Aqueous Metal Carboxylate Complexes: Correlation between Bonding Geometry and Stretching Mode Wavenumber Shifts. Chemistry 2015; 21:6801-5. [DOI: 10.1002/chem.201406516] [Citation(s) in RCA: 83] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2014] [Indexed: 11/09/2022]
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18
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Halevas E, Karamelidou A, Hatzidimitriou A, Mateescu C, Salifoglou A. pH-Specific Halide-Dependent Materials from ZrIV/Hydroxycarboxylic Acid/Aromatic Chelator Reactivity: Architecture-Lattice Dimensionality and Spectroscopic Fingerprint Relations. Eur J Inorg Chem 2015. [DOI: 10.1002/ejic.201402864] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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19
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Chen CY, Chen ML, Chen HB, Wang H, Cramer SP, Zhou ZH. α-Hydroxy coordination of mononuclear vanadyl citrate, malate and S-citramalate with N-heterocycle ligand, implying a new protonation pathway of iron-vanadium cofactor in nitrogenase. J Inorg Biochem 2014; 141:114-120. [PMID: 25240212 PMCID: PMC5065718 DOI: 10.1016/j.jinorgbio.2014.08.003] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2014] [Revised: 08/04/2014] [Accepted: 08/04/2014] [Indexed: 11/17/2022]
Abstract
Unlike the most of α-alkoxy coordination in α-hydroxycarboxylates to vanadium, novel α-hydroxy coordination to vanadium(IV) has been observed for a series of chiral and achiral monomeric α-hydroxycarboxylato vanadyl complexes [VO(H2cit)(bpy)]·2H2O (1), [VO(Hmal)(bpy)]·H2O (2), [VO(H2cit)(phen)]·1.5H2O (3), [VO(Hmal)(phen)]·H2O (4), and [(Δ)VO(S-Hcitmal)(bpy)]·2H2O (5), [VO(H2cit)(phen)]2·6.5H2O (6), which were isolated from the reactions of vanadyl sulfate with α-hydroxycarboxylates and N-heterocycle ligands in acidic solution. The complexes feature a tridentate citrate, malate or citramalate that chelates to vanadium atom through their α-hydroxy, α-carboxy and β-carboxy groups; while the other β-carboxylic acidic group of citrate is free to participate strong hydrogen bonds with lattice water molecule. The neutral α-hydroxy group also forms strong intermolecular hydrogen bonds with water molecule and the negatively-charged α-carboxy group in the environment. The inclusion of a hydrogen ion in α-alkoxy group results in the formation of a series of neutral complexes with one less positive charge. There are two different configurations of citrate with respect to the trans-position of axial oxo group, where the complex with trans-hydroxy configuration seems more stable with less hindrance. The average bond distances of V-Ohydroxy and V-Oα-carboxy are 2.196 and 2.003Å respectively, which are comparable to the VO distance (2.15Å) of homocitrate in FeV-cofactor of V-nitrogenase. A new structural model is suggested for R-homocitrato iron vanadium cofactor as VFe7S9C(R-Hhomocit) (H4homocit=homocitric acid) with one more proton in homocitrate ligand.
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Affiliation(s)
- Can-Yu Chen
- State Key Laboratory for Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China; College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 310036, China
| | - Mao-Long Chen
- State Key Laboratory for Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Hong-Bin Chen
- State Key Laboratory for Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Hongxin Wang
- Department of Chemistry, University of California, Davis, CA 95616, United States
| | - Stephen P Cramer
- Department of Chemistry, University of California, Davis, CA 95616, United States.
| | - Zhao-Hui Zhou
- State Key Laboratory for Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China; Department of Chemistry, University of California, Davis, CA 95616, United States.
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Mujika JI, Ugalde JM, Lopez X. Aluminum Interaction with Glutamate and α-Ketoglutarate: A Computational Study. J Phys Chem B 2014; 118:6680-6. [DOI: 10.1021/jp502724w] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- J. I. Mujika
- Kimika Fakultatea, Euskal Herriko Unibertsitatea
(UPV/EHU) and Donostia International Physics Center (DIPC), P.K. 1072, 20080 Donostia, Euskadi, Spain
| | - J. M. Ugalde
- Kimika Fakultatea, Euskal Herriko Unibertsitatea
(UPV/EHU) and Donostia International Physics Center (DIPC), P.K. 1072, 20080 Donostia, Euskadi, Spain
| | - X. Lopez
- Kimika Fakultatea, Euskal Herriko Unibertsitatea
(UPV/EHU) and Donostia International Physics Center (DIPC), P.K. 1072, 20080 Donostia, Euskadi, Spain
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21
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Mujika JI, Rezabal E, Mercero JM, Ruipérez F, Costa D, Ugalde JM, Lopez X. Aluminium in biological environments: a computational approach. Comput Struct Biotechnol J 2014; 9:e201403002. [PMID: 24757505 PMCID: PMC3995234 DOI: 10.5936/csbj.201403002] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2013] [Revised: 03/07/2014] [Accepted: 03/23/2014] [Indexed: 12/02/2022] Open
Abstract
The increased availability of aluminium in biological environments, due to human intervention in the last century, raises concerns on the effects that this so far “excluded from biology” metal might have on living organisms. Consequently, the bioinorganic chemistry of aluminium has emerged as a very active field of research. This review will focus on our contributions to this field, based on computational studies that can yield an understanding of the aluminum biochemistry at a molecular level. Aluminium can interact and be stabilized in biological environments by complexing with both low molecular mass chelants and high molecular mass peptides. The speciation of the metal is, nonetheless, dictated by the hydrolytic species dominant in each case and which vary according to the pH condition of the medium. In blood, citrate and serum transferrin are identified as the main low molecular mass and high molecular mass molecules interacting with aluminium. The complexation of aluminium to citrate and the subsequent changes exerted on the deprotonation pathways of its tritable groups will be discussed along with the mechanisms for the intake and release of aluminium in serum transferrin at two pH conditions, physiological neutral and endosomatic acidic. Aluminium can substitute other metals, in particular magnesium, in protein buried sites and trigger conformational disorder and alteration of the protonation states of the protein's sidechains. A detailed account of the interaction of aluminium with proteic sidechains will be given. Finally, it will be described how alumnium can exert oxidative stress by stabilizing superoxide radicals either as mononuclear aluminium or clustered in boehmite. The possibility of promotion of Fenton reaction, and production of hydroxyl radicals will also be discussed.
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Affiliation(s)
- Jon I Mujika
- Kimika Fakultatea, Euskal Herriko Unibertsitatea (UPV/EHU), and Donostia International Physics Center (DIPC), P.K. 1072, 20080 Donostia, Euskadi, Spain
| | - Elixabete Rezabal
- Laboratoire de Chimie Moleculaire, Department of Chemistry, Ecole Polytechnique and CNRS, 91128 Palaiseau Cedex, France
| | - Jose M Mercero
- Kimika Fakultatea, Euskal Herriko Unibertsitatea (UPV/EHU), and Donostia International Physics Center (DIPC), P.K. 1072, 20080 Donostia, Euskadi, Spain
| | - Fernando Ruipérez
- POLYMAT, Euskal Herriko Unibertsitatea UPV/EHU. Joxe Mari Korta zentroa, Tolosa Etorbidea 72, 20018 Donostia-San Sebastián, Euskadi, Spain
| | - Dominique Costa
- Laboratoire de Physico-Chimie des Surfaces (UMR 7045), ENSCP Chimie-Paristech, 11 rue P. et M. Curie, 75005 Paris, France
| | - Jesus M Ugalde
- Kimika Fakultatea, Euskal Herriko Unibertsitatea (UPV/EHU), and Donostia International Physics Center (DIPC), P.K. 1072, 20080 Donostia, Euskadi, Spain
| | - Xabier Lopez
- Kimika Fakultatea, Euskal Herriko Unibertsitatea (UPV/EHU), and Donostia International Physics Center (DIPC), P.K. 1072, 20080 Donostia, Euskadi, Spain
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22
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Mateescu C, Gabriel C, Raptopoulou C, Terzis A, Tangoulis V, Salifoglou A. pH-Specific synthesis, spectroscopic, structural and magnetic, and aqueous solution studies in the binary Cr(III)–quinato system. Polyhedron 2013. [DOI: 10.1016/j.poly.2012.08.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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23
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Huta B, Lensboeur JJ, Lowe AJ, Zubieta J, Doyle RP. Metal-citrate complex uptake and CitMHS transporters: From coordination chemistry to possible vaccine development. Inorganica Chim Acta 2012. [DOI: 10.1016/j.ica.2012.06.025] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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24
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Wang X, Wang C, Zhao H. Errors in the calculation of (27)Al nuclear magnetic resonance chemical shifts. Int J Mol Sci 2012; 13:15420-46. [PMID: 23203134 PMCID: PMC3509650 DOI: 10.3390/ijms131115420] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2012] [Revised: 11/02/2012] [Accepted: 11/06/2012] [Indexed: 11/29/2022] Open
Abstract
Computational chemistry is an important tool for signal assignment of 27Al nuclear magnetic resonance spectra in order to elucidate the species of aluminum(III) in aqueous solutions. The accuracy of the popular theoretical models for computing the 27Al chemical shifts was evaluated by comparing the calculated and experimental chemical shifts in more than one hundred aluminum(III) complexes. In order to differentiate the error due to the chemical shielding tensor calculation from that due to the inadequacy of the molecular geometry prediction, single-crystal X-ray diffraction determined structures were used to build the isolated molecule models for calculating the chemical shifts. The results were compared with those obtained using the calculated geometries at the B3LYP/6-31G(d) level. The isotropic chemical shielding constants computed at different levels have strong linear correlations even though the absolute values differ in tens of ppm. The root-mean-square difference between the experimental chemical shifts and the calculated values is approximately 5 ppm for the calculations based on the X-ray structures, but more than 10 ppm for the calculations based on the computed geometries. The result indicates that the popular theoretical models are adequate in calculating the chemical shifts while an accurate molecular geometry is more critical.
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Affiliation(s)
- Xianlong Wang
- Center of Bioinformatics, University of Electronic Science and Technology of China, No. 4, 2nd Section, Jianshe Road, Chengdu 610054, China; E-Mails: (C.W.); (H.Z.)
- Department of Chemistry, Bryn Mawr College, 101 North Merion Avenue, Bryn Mawr, PA 19010, USA
| | - Chengfei Wang
- Center of Bioinformatics, University of Electronic Science and Technology of China, No. 4, 2nd Section, Jianshe Road, Chengdu 610054, China; E-Mails: (C.W.); (H.Z.)
| | - Hui Zhao
- Center of Bioinformatics, University of Electronic Science and Technology of China, No. 4, 2nd Section, Jianshe Road, Chengdu 610054, China; E-Mails: (C.W.); (H.Z.)
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25
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Harris WR, Sammons RD, Grabiak RC. A speciation model of essential trace metal ions in phloem. J Inorg Biochem 2012; 116:140-50. [DOI: 10.1016/j.jinorgbio.2012.07.011] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2012] [Revised: 07/06/2012] [Accepted: 07/09/2012] [Indexed: 10/28/2022]
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26
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Gabriel C, Kioseoglou E, Venetis J, Psycharis V, Raptopoulou CP, Terzis A, Voyiatzis G, Bertmer M, Mateescu C, Salifoglou A. pH-Specific Structural Speciation of the Ternary V(V)–Peroxido–Betaine System: A Chemical Reactivity-Structure Correlation. Inorg Chem 2012; 51:6056-69. [DOI: 10.1021/ic2025878] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- C. Gabriel
- Laboratory of Inorganic Chemistry, Department
of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki
54124, Greece
| | - E. Kioseoglou
- Laboratory of Inorganic Chemistry, Department
of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki
54124, Greece
| | - J. Venetis
- Laboratory of Inorganic Chemistry, Department
of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki
54124, Greece
| | - V. Psycharis
- Institute
of Materials Science, NCSR “Demokritos”, Aghia Paraskevi,
Attiki 15310, Greece
| | - C. P. Raptopoulou
- Institute
of Materials Science, NCSR “Demokritos”, Aghia Paraskevi,
Attiki 15310, Greece
| | - A. Terzis
- Institute
of Materials Science, NCSR “Demokritos”, Aghia Paraskevi,
Attiki 15310, Greece
| | - G. Voyiatzis
- Foundation
for Research and Technology Hellas (FORTH), Institute of Chemical
Engineering and High Temperature Chemical Processes (ICE/HT), Patras
26500, Greece
| | - M. Bertmer
- Institut
für Experimentelle Physik II, Universität Leipzig, Leipzig
04103, Germany
| | - C. Mateescu
- Banat's
University of Agricultural Sciences and Veterinary Medicine, Timisoara
300645, Romania
| | - A. Salifoglou
- Laboratory of Inorganic Chemistry, Department
of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki
54124, Greece
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27
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Mujika JI, Ugalde JM, Lopez X. Aluminum speciation in biological environments. The deprotonation of free and aluminum bound citrate in aqueous solution. Phys Chem Chem Phys 2012; 14:12465-75. [DOI: 10.1039/c2cp40671c] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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28
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Das SP, Ankireddy SR, Boruah JJ, Islam NS. Synthesis and characterization of peroxotungsten(vi) complexes bound to water soluble macromolecules and their interaction with acid and alkaline phosphatases. RSC Adv 2012. [DOI: 10.1039/c2ra20358h] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
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29
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Chu C, Darling K, Netusil R, Doyle RP, Zubieta J. Synthesis and structure of a lead(II)–citrate: {Na(H2O)3}[Pb5(C6H5O7)3(C6H6O7)(H2O)3]·9.5H2O. Inorganica Chim Acta 2011. [DOI: 10.1016/j.ica.2011.08.054] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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30
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Kaliva M, Gabriel C, Raptopoulou CP, Terzis A, Voyiatzis G, Zervou M, Mateescu C, Salifoglou A. A Unique Dinuclear Mixed V(V) Oxo-peroxo Complex in the Structural Speciation of the Ternary V(V)-Peroxo-citrate System. Potential Mechanistic and Structural Insight into the Aqueous Synthetic Chemistry of Dinuclear V(V)-Citrate Species with H2O2. Inorg Chem 2011; 50:11423-36. [DOI: 10.1021/ic201204s] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- M. Kaliva
- Department of Chemistry, University of Crete, Heraklion 71409, Greece
| | - C. Gabriel
- Laboratory of Inorganic Chemistry, Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - C. P. Raptopoulou
- Institute of Materials Science, NCSR “Demokritos”, Aghia Paraskevi 15310, Attiki, Greece
| | - A. Terzis
- Institute of Materials Science, NCSR “Demokritos”, Aghia Paraskevi 15310, Attiki, Greece
| | - G. Voyiatzis
- Foundation for Research and Technology Hellas (FORTH), Institute of Chemical Engineering and High Temperature Chemical Processes (ICE/HT), Patras 26500, Greece
| | - M. Zervou
- Laboratory of Molecular Analysis, Institute of Organic and Pharmaceutical Chemistry, National Hellenic Research Foundation, Athens 11635, Greece
| | - C. Mateescu
- Banat University of Agricultural Sciences and Veterinary Medicine, Timisoara 1900, Romania
| | - A. Salifoglou
- Laboratory of Inorganic Chemistry, Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
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31
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Boruah JJ, Kalita D, Das SP, Paul S, Islam NS. Polymer-Anchored Peroxo Compounds of Vanadium(V) and Molybdenum(VI): Synthesis, Stability, and Their Activities with Alkaline Phosphatase and Catalase. Inorg Chem 2011; 50:8046-62. [DOI: 10.1021/ic200368g] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Jeena Jyoti Boruah
- Department of Chemical Sciences, Tezpur University, Tezpur 784028, Assam, India
| | - Diganta Kalita
- Department of Chemical Sciences, Tezpur University, Tezpur 784028, Assam, India
| | - Siva Prasad Das
- Department of Chemical Sciences, Tezpur University, Tezpur 784028, Assam, India
| | - Saurav Paul
- Department of Chemical Sciences, Tezpur University, Tezpur 784028, Assam, India
| | - Nashreen S. Islam
- Department of Chemical Sciences, Tezpur University, Tezpur 784028, Assam, India
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32
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Che P, Fang D, Zhang D, Feng J, Wang J, Hu N, Meng J. Hydrothermal synthesis and crystal structure of a new two-dimensional zinc citrate complex. J COORD CHEM 2011. [DOI: 10.1080/00958970500244112] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Ping Che
- a Key Laboratory of Rare Earth Chemistry and Physics , Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022
| | - Daqing Fang
- a Key Laboratory of Rare Earth Chemistry and Physics , Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022
| | - Deping Zhang
- a Key Laboratory of Rare Earth Chemistry and Physics , Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022
| | - Jing Feng
- a Key Laboratory of Rare Earth Chemistry and Physics , Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022
| | - Jingping Wang
- a Key Laboratory of Rare Earth Chemistry and Physics , Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022
| | - Ninghai Hu
- a Key Laboratory of Rare Earth Chemistry and Physics , Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022
| | - Jian Meng
- a Key Laboratory of Rare Earth Chemistry and Physics , Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022
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33
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Aluminum does not enhance beta-amyloid toxicity in rat hippocampal cultures. Brain Res 2010; 1352:265-76. [PMID: 20624378 DOI: 10.1016/j.brainres.2010.07.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2010] [Revised: 07/01/2010] [Accepted: 07/05/2010] [Indexed: 11/21/2022]
Abstract
A number of environmental factors have been implicated in neurodegenerative disorders, including metallotoxins such as aluminum (Al). In the present study, the toxicity of Al-quinate (AlQ), a well-characterized Al complex, was investigated in primary rat hippocampal cultures in comparison to inorganic Al (Al-S). AlQ was significantly less toxic than Al-S during both short- (3h) and long-term (24h) incubations. The neuroprotective properties of quinic acid (which constitutes the quinate moiety of AlQ) against short-term incubations with Al-S were subsequently assessed, and the organic compound was found to provide full protection, comparable to synthetic metal chelating agents desferrioxamine and clioquinol. Finally, potential synergistic actions between Al (AlQ and Al-S) and beta-amyloid (Abeta) were investigated. Neither Al form appeared to enhance Abeta toxicity, in fact, AlQ significantly reduced Abeta toxicity. Collectively, this study highlights further the impact of structural features and physiological ligands of metal complexes on toxicity profiles, and reveals promising properties of quinic acid as a metal chelator. Despite previous reports suggesting synergistic toxicity between Al and Abeta, we could not identify such a mechanism in our investigation.
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Peukert A, Seubert A. Characterization of an aluminium(III)–citrate species by means of ion chromatography with inductively coupled plasma-atomic emission spectrometry detection. J Chromatogr A 2009; 1216:7946-9. [DOI: 10.1016/j.chroma.2009.09.025] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2009] [Revised: 09/04/2009] [Accepted: 09/10/2009] [Indexed: 11/28/2022]
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35
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Georgantas V, Kotsakis N, Raptopoulou C, Terzis A, Iordanidis L, Zervou M, Jakusch T, Kiss T, Salifoglou A. Synthetic, structural and solution speciation studies on binary Al(III)–(carboxy)phosphonate systems. Relevance to the neurotoxic potential of Al(III). J Inorg Biochem 2009; 103:1530-41. [DOI: 10.1016/j.jinorgbio.2009.05.020] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2009] [Revised: 04/30/2009] [Accepted: 05/15/2009] [Indexed: 10/20/2022]
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36
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Synthesis, spectroscopic, structural and magnetic studies of new binary Cr(III)–citrate pH-specific structural variants from aqueous media. Polyhedron 2009. [DOI: 10.1016/j.poly.2009.05.077] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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37
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He MY, Chen SC, Zhang ZH, Huang KL, Yin FH, Chen Q. Four copper(II) coordination polymers with a tetrachlorinated benzenedicarboxylate ligand: Solvent effect on diversiform supramolecular arrays. Inorganica Chim Acta 2009. [DOI: 10.1016/j.ica.2008.11.022] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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38
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The pH-specific synthesis, spectroscopic, structural, and magnetic properties of a new Ni(II) species containing the plant physiological binder d-(−)-quinic acid: Association with the aqueous speciation of the binary Ni(II)–quinate system. Polyhedron 2009. [DOI: 10.1016/j.poly.2008.12.045] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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39
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Silva AMN, Kong X, Hider RC. Determination of the pKa value of the hydroxyl group in the alpha-hydroxycarboxylates citrate, malate and lactate by 13C NMR: implications for metal coordination in biological systems. Biometals 2009; 22:771-8. [PMID: 19288211 DOI: 10.1007/s10534-009-9224-5] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2009] [Accepted: 03/04/2009] [Indexed: 10/21/2022]
Abstract
Citric acid is an important metal chelator of biological relevance. Citric acid helps solubilizing metals, increasing their bioavailability for plants and microbes and it is also thought to be a constituent of both the extracellular and cytoplasmic low molecular iron pools occurring in plants and vertebrates. Metal coordination by citric acid involves coordination both by the carboxylate and hydroxyl groups, of particular interest is its alpha-hydroxycarboxylate function. This structural feature is highly conserved in siderophores produced by evolutionarily distant species and seems to confer specificity toward Fe(III) binding. In order to understand the mechanism of metal coordination by alpha-hydroxycarboxylates and correctly evaluate the respective complex stability constants, it is essential to improve the knowledge about the ionisation of the alcohol group in these compounds. We have evaluated the hydroxyl pKa value of citric, malic and lactic acids with the objective of understanding the influence of alpha-carbon substitution. Studies at high pH values, utilizing (13)C NMR, permitted estimation of the pKa values for the three acids. The pKa (alcohol) values (14.4 for citric acid, 14.5 for malic acid, and 15.1 for lactic acid) are considerably higher than the previously reported value for citric acid (11.6) but still lower than the value of 15.5 for methanol. A comparative analysis of the three compounds indicates that different substitutions on the alpha-carbon introduce changes to the inductive effect experienced by the hydroxyl group thereby modulating its ionisation behaviour. Comparison with the siderophore rhizoferrin, which pKa (alcohol) values were confirmed to be 10 and 11.3, suggests that intra-molecular hydrogen bonding may also aid in the hydroxyl ionisation by stabilizing the resulting anion. Studies of metal coordination by alpha-hydroxycarboxylates should take these factors into account.
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Affiliation(s)
- Andre M N Silva
- Pharmaceutical Sciences Research Division, King's College London, London, UK
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Gabriel C, Kaliva M, Venetis J, Baran P, Rodriguez-Escudero I, Voyiatzis G, Zervou M, Salifoglou A. Aqueous V(V)-Peroxo-Amino Acid Chemistry. Synthesis, Structural and Spectroscopic Characterization of Unusual Ternary Dinuclear Tetraperoxo Vanadium(V)-Glycine Complexes. Inorg Chem 2008; 48:476-87. [DOI: 10.1021/ic801427b] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- C. Gabriel
- Laboratory of Inorganic Chemistry, Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece, Department of Chemistry, University of Crete, Heraklion 71409, Greece, Department of Chemistry, University of Puerto Rico, San Juan, Puerto Rico 00931-3346, Foundation for Research and Technology Hellas (FORTH), Institute of Chemical Engineering and High Temperature Chemical Processes (ICE/HT), Patras 26500, Greece, and Laboratory of Molecular Analysis, Institute of
| | - M. Kaliva
- Laboratory of Inorganic Chemistry, Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece, Department of Chemistry, University of Crete, Heraklion 71409, Greece, Department of Chemistry, University of Puerto Rico, San Juan, Puerto Rico 00931-3346, Foundation for Research and Technology Hellas (FORTH), Institute of Chemical Engineering and High Temperature Chemical Processes (ICE/HT), Patras 26500, Greece, and Laboratory of Molecular Analysis, Institute of
| | - J. Venetis
- Laboratory of Inorganic Chemistry, Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece, Department of Chemistry, University of Crete, Heraklion 71409, Greece, Department of Chemistry, University of Puerto Rico, San Juan, Puerto Rico 00931-3346, Foundation for Research and Technology Hellas (FORTH), Institute of Chemical Engineering and High Temperature Chemical Processes (ICE/HT), Patras 26500, Greece, and Laboratory of Molecular Analysis, Institute of
| | - P. Baran
- Laboratory of Inorganic Chemistry, Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece, Department of Chemistry, University of Crete, Heraklion 71409, Greece, Department of Chemistry, University of Puerto Rico, San Juan, Puerto Rico 00931-3346, Foundation for Research and Technology Hellas (FORTH), Institute of Chemical Engineering and High Temperature Chemical Processes (ICE/HT), Patras 26500, Greece, and Laboratory of Molecular Analysis, Institute of
| | - I. Rodriguez-Escudero
- Laboratory of Inorganic Chemistry, Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece, Department of Chemistry, University of Crete, Heraklion 71409, Greece, Department of Chemistry, University of Puerto Rico, San Juan, Puerto Rico 00931-3346, Foundation for Research and Technology Hellas (FORTH), Institute of Chemical Engineering and High Temperature Chemical Processes (ICE/HT), Patras 26500, Greece, and Laboratory of Molecular Analysis, Institute of
| | - G. Voyiatzis
- Laboratory of Inorganic Chemistry, Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece, Department of Chemistry, University of Crete, Heraklion 71409, Greece, Department of Chemistry, University of Puerto Rico, San Juan, Puerto Rico 00931-3346, Foundation for Research and Technology Hellas (FORTH), Institute of Chemical Engineering and High Temperature Chemical Processes (ICE/HT), Patras 26500, Greece, and Laboratory of Molecular Analysis, Institute of
| | - M. Zervou
- Laboratory of Inorganic Chemistry, Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece, Department of Chemistry, University of Crete, Heraklion 71409, Greece, Department of Chemistry, University of Puerto Rico, San Juan, Puerto Rico 00931-3346, Foundation for Research and Technology Hellas (FORTH), Institute of Chemical Engineering and High Temperature Chemical Processes (ICE/HT), Patras 26500, Greece, and Laboratory of Molecular Analysis, Institute of
| | - A. Salifoglou
- Laboratory of Inorganic Chemistry, Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece, Department of Chemistry, University of Crete, Heraklion 71409, Greece, Department of Chemistry, University of Puerto Rico, San Juan, Puerto Rico 00931-3346, Foundation for Research and Technology Hellas (FORTH), Institute of Chemical Engineering and High Temperature Chemical Processes (ICE/HT), Patras 26500, Greece, and Laboratory of Molecular Analysis, Institute of
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Hamada YZ, Bayakly N, George D, Greer T. Speciation of Molybdenum(VI)-Citric Acid Complexes in Aqueous Solutions. ACTA ACUST UNITED AC 2008. [DOI: 10.1080/15533170802371323] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Yahia Z. Hamada
- a Division of Natural and Mathematical Sciences , LeMoyne-Owen College , Memphis , TN
| | - Nabil Bayakly
- a Division of Natural and Mathematical Sciences , LeMoyne-Owen College , Memphis , TN
| | - Denisha George
- a Division of Natural and Mathematical Sciences , LeMoyne-Owen College , Memphis , TN
| | - Troy Greer
- a Division of Natural and Mathematical Sciences , LeMoyne-Owen College , Memphis , TN
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Gabriel C, Menelaou M, Daskalakis M, Lakatos A, Kiss T, Mateescu C, Raptis RG, Zoumpoulakis P, Salifoglou A. Synthetic, structural, spectroscopic and solution speciation studies of the binary Al(III)–quinic acid system. Relevance of soluble Al(III)–hydroxycarboxylate species to molecular toxicity. Polyhedron 2008. [DOI: 10.1016/j.poly.2008.06.029] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Panagiotidis P, Kefalas ET, Raptopoulou CP, Terzis A, Mavromoustakos T, Salifoglou A. Delving into the complex picture of Ti(IV)–citrate speciation in aqueous media: Synthetic, structural, and electrochemical considerations in mononuclear Ti(IV) complexes containing variably deprotonated citrate ligands. Inorganica Chim Acta 2008. [DOI: 10.1016/j.ica.2007.11.015] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Kaliva M, Gabriel C, Raptopoulou CP, Terzis A, Salifoglou A. pH-specific synthesis, isolation, spectroscopic and structural characterization of a new dimeric assembly of dinuclear vanadium(V)–citrate–peroxo species from aqueous solutions. Inorganica Chim Acta 2008. [DOI: 10.1016/j.ica.2007.11.014] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Kiss T, Odani A. Demonstration of the Importance of Metal Ion Speciation in Bioactive Systems. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2007. [DOI: 10.1246/bcsj.80.1691] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Deng YF, Jiang YQ, Hong QM, Zhou ZH. Speciation of water-soluble titanium citrate: Synthesis, structural, spectroscopic properties and biological relevance. Polyhedron 2007. [DOI: 10.1016/j.poly.2006.08.017] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Platt B, Drysdale AJ, Nday C, Roloff EVL, Drever BD, Salifoglou A. Differential toxicity of novel aluminium compounds in hippocampal culture. Neurotoxicology 2007; 28:576-86. [PMID: 17303244 DOI: 10.1016/j.neuro.2006.12.008] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2006] [Revised: 12/19/2006] [Accepted: 12/19/2006] [Indexed: 10/23/2022]
Abstract
The dependence of aluminium (Al) toxicity on its chemical form has been implicated in previous studies, but the complex chemistry of Al in solutions of biological preparations has hampered a reliable assessment. Here, we assessed the toxicity of select and pure Al(III) citrate compounds, well-characterized at physiological pH, and compared it with Al from standard solution (in HCl). Cell death rates of neurones and glia were established in hippocampal cultures following 3h incubations in a HEPES-buffered solution and 24h incubations in full culture medium. Overall, Al toxicity was found to vary considerably between compounds, with duration of exposure, medium type, and cell type as factors. While Al (from atomic absorption standard solution) induced the highest levels of cell death, AlCit1, ((NH(4))(5)[Al(C(6)H(4)O(7))(2)].2H(2)O) was the most toxic citrate compound, and affected viability of neurones more than glia (viability at 500 microM/3h-neurones: 40%; glia: 60%). AlCit2 (K(4)[Al(C(6)H(4)O(7))(C(6)H(5)O(7))].4H(2)O) did not show any toxicity after 3h, but severe toxicity after 24h in both cell types (viability at 500 microM/24h-neurones: 50%, glia: 30%). AlCit3 ((NH(4))(5)[Al(3)(C(6)H(4)O(7))(3)(OH)(H(2)O)].(NO(3)).6H(2)O), exhibited a cell type specific toxicity profile, and only affected neuronal viability at both time points (neuronal viability at 500 microM/3h: 20%). The medium type and presence of serum (FBS) was also found to contribute to the toxicity pattern, with serum providing partial protection. Since the Al(III) compounds introduced here are assumed to form in vivo, our data raise further awareness for the toxicity of Al(III) in general, and for the importance of Al speciation and cell type specific actions in its toxicity.
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Affiliation(s)
- Bettina Platt
- School of Medical Sciences, College of Life Sciences and Medicine, University of Aberdeen, Institute of Medical Sciences, Foresterhill, Aberdeen, Scotland, UK.
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Gabriel C, Raptopoulou CP, Terzis A, Tangoulis V, Mateescu C, Salifoglou A. pH-Specific Synthesis and Spectroscopic, Structural, and Magnetic Studies of a Chromium(III)−Citrate Species. Aqueous Solution Speciation of the Binary Chromium(III)−Citrate System. Inorg Chem 2007; 46:2998-3009. [PMID: 17378548 DOI: 10.1021/ic061480j] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
In an attempt to understand the aqueous interactions of Cr(III) with the low-molecular-mass physiological ligand citric acid, the pH-specific synthesis in the binary Cr(III)-citrate system was explored, leading to the complex (NH4)4[Cr(C6H4O7)(C6H5O7)].3H2O (1). 1 crystallizes in the monoclinic space group I2/a, with a = 19.260(10) A, b = 10.006(6) A, c = 23.400(10) A, beta = 100.73(2) degrees , V = 4431(4) A3, and Z = 8. 1 was characterized by elemental analysis and spectroscopic, structural, thermal, and magnetic susceptibility studies. Detailed aqueous speciation studies in the Cr(III)-citrate system suggest the presence of a number of species, among which is the mononuclear [Cr(C6H4O7)(C6H5O7)]4- complex, optimally present around pH approximately 5.5. The structure of 1 reveals a mononuclear octahedral complex of Cr(III) with two citrate ligands bound to it. The two citrate ligands have different deprotonation states, thus signifying the importance of the mixed deprotonation state in the coordination sphere of the Cr(III) species in aqueous speciation. The latter reveals the distribution of numerous species, including 1, for which the collective structural, spectroscopic, and magnetic data point out its physicochemical profile in the solid state and in solution. The importance of the synthetic efforts linked to 1 and the potential ramifications of Cr(III) reactivity toward both low- and high-molecular-mass biotargets are discussed in light of (a) the quest for well-characterized soluble Cr(III) species that could be detected and identified in biologically relevant fluids, (b) ongoing efforts to delineate the aqueous speciation of the Cr(III)-citrate system and its link to biotoxic Cr(III) manifestations, and (c) the synthetic utility of convenient Cr(III) precursors in the synthesis of advanced materials.
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Affiliation(s)
- C Gabriel
- Department of Chemical Engineering, Laboratory of Inorganic Chemistry, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
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Gabriel C, Raptopoulou CP, Terzis A, Lalioti N, Salifoglou A. Synthesis, structural, spectroscopic and magnetic susceptibility studies of a soluble Cr(III)–heida (2-hydroxyethyliminodiacetic acid) complex. Relevance to aqueous chromium(III)–heida speciation. Inorganica Chim Acta 2007. [DOI: 10.1016/j.ica.2006.07.097] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Kaliva M, Kyriakakis E, Gabriel C, Raptopoulou C, Terzis A, Tuchagues JP, Salifoglou A. Synthesis, isolation, spectroscopic and structural characterization of a new pH complex structural variant from the aqueous vanadium(V)-peroxo-citrate ternary system. Inorganica Chim Acta 2006. [DOI: 10.1016/j.ica.2006.07.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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