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Li J, Yan H, Wang Z, Liu R, Luo B, Yang D, Chen H, Pan L, Ma Z. Copper chloride complexes with substituted 4'-phenyl-terpyridine ligands: synthesis, characterization, antiproliferative activities and DNA interactions. Dalton Trans 2021; 50:8243-8257. [PMID: 34036954 DOI: 10.1039/d0dt03989f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Eleven copper chloride coordination compounds (1-11) with 4'-(4'-substituted-phenyl)-2,2':6',2''-terpyridine ligands bearing hydrogen (L1), cyano (L2), p-hydroxyl (L3), m-hydroxyl (L4), o-hydroxyl (L5), methoxyl (L6), iodo (L7), bromo (L8), chloro (L9), fluoro (L10) or methylsulfonyl (L11) were prepared and characterized by IR spectroscopy, elemental analysis and single crystal X-ray diffraction. Antiproliferative activities against tumor cells were investigated and DNA interactions were studied by circular dichroism spectroscopy and molecular modeling methods. In vitro data demonstrate that all the compounds exhibit higher antiproliferative activities as compared to cisplatin against five human carcinoma cell lines: A549, Bel-7402, Eca-109, HeLa and MCF-7. Compound 6 with methoxyl shows the best anti-proliferation activity. Spectrophotometric results reveal the strong affinity of the compounds for binding with DNA as intercalators and induce DNA conformational transitions. The results of molecular docking studies show that the compounds interact with DNA through π-π stacking, van der Waals forces, hydrophobic interactions and hydrogen bonds. The binding energies between compound 11 and three macromolecules, including DNA duplex, oligonucleotide and DNA-Topo I complex, are the lowest. The binding stability of compounds containing hydroxyl, methoxy and methylsulfonyl groups with biological macromolecules mainly relies on the hydrogen bonds. The ability of a compound to form hydrogen bonds can promote its binding to biological targets, thereby exhibiting high antiproliferative activity.
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Affiliation(s)
- Jiahe Li
- School of Chemistry and Chemical Engineering, Guangxi University, 530004 Nanning, Guangxi, People's Republic of China.
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Gao L, Zhang L, Zhu X, Chen J, Zhao M, Li S, Yu C, Hu L, Qiao H, Guo Z. Hyaluronic acid functionalized gold nanorods combined with copper-based therapeutic agents for chemo-photothermal cancer therapy. J Mater Chem B 2021; 8:4841-4845. [PMID: 32108202 DOI: 10.1039/d0tb00097c] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
We herein report a hybrid nanocomposite (AuNRs-CTN@THA) which is based on hyaluronic acid-coated gold nanorods with loading of a copper complex through strong bonds. AuNRs-CTN@THA exhibits durable photothermal conversion capacity for pH-dominant and pH/temperature dual sensitive drug release, accomplishing synergetic antitumor efficacy and deep tumor penetration.
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Affiliation(s)
- Lina Gao
- Jiangsu Key Laboratory for Functional Substance of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, P. R. China.
| | - Lei Zhang
- Jiangsu Key Laboratory for Functional Substance of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, P. R. China.
| | - Xuyu Zhu
- Jiangsu Key Laboratory for Functional Substance of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, P. R. China.
| | - Jing Chen
- Jiangsu Engineering Research Center for Efficient Delivery System of TCM, Nanjing University of Chinese Medicine, Nanjing 210023, P. R. China
| | - Meng Zhao
- Jiangsu Key Laboratory for Functional Substance of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, P. R. China.
| | - Simin Li
- Jiangsu Key Laboratory for Functional Substance of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, P. R. China.
| | - Chengli Yu
- Jiangsu Key Laboratory for Functional Substance of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, P. R. China.
| | - Lihong Hu
- Jiangsu Key Laboratory for Functional Substance of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, P. R. China.
| | - Hongzhi Qiao
- Jiangsu Key Laboratory for Functional Substance of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, P. R. China. and Jiangsu Engineering Research Center for Efficient Delivery System of TCM, Nanjing University of Chinese Medicine, Nanjing 210023, P. R. China and State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Zijian Guo
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
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Anion–Cation Recognition Pattern, Thermal Stability and DFT-Calculations in the Crystal Structure of H2dap[Cd(HEDTA)(H2O)] Salt (H2dap = H2(N3,N7)-2,6-Diaminopurinium Cation). CRYSTALS 2020. [DOI: 10.3390/cryst10040304] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The proton transfer between equimolar amounts of [Cd(H2EDTA)(H2O)] and 2,6-diaminopurine (Hdap) yielded crystals of the out-of-sphere metal complex H2(N3,N7)dap[Cd(HEDTA)(H2O)]·H2O (1) that was studied by single-crystal X-ray diffraction, thermogravimetry, FT-IR spectroscopy, density functional theory (DFT) and quantum theory of “atoms-in-molecules” (QTAIM) methods. The crystal was mainly dominated by H-bonds, favored by the observed tautomer of the 2,6-diaminopurinium(1+) cation. Each chelate anion was H-bonded to three neighboring cations; two of them were also connected by a symmetry-related anti-parallel π,π-staking interaction. Our results are in clear contrast with that previously reported for H2(N1,N9)ade [Cu(HEDTA)(H2O)]·2H2O (EGOWIG in Cambridge Structural Database (CSD), Hade = adenine), in which H-bonds and π,π-stacking played relevant roles in the anion–cation interaction and the recognition between two pairs of ions, respectively. Factors contributing in such remarkable differences are discussed on the basis of the additional presence of the exocyclic 2-amino group in 2,6-diaminopurinium(1+) ion.
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Synthesis, characterisation, nuclease and cytotoxic activity of phosphate-free and phosphate-containing copper $$4^{\prime }$$ 4 ′ -(N-methylpyridinium)- $$2{,}2^{\prime }{:}6^{\prime }{,}2^{\prime \prime }$$ 2 , 2 ′ : 6 ′ , 2 ″ terpyridine complexes. J CHEM SCI 2018. [DOI: 10.1007/s12039-018-1422-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Chu W, Wang Y, Liu S, Yang X, Wang S, Li S, Zhou G, Qin X, Zhou C, Zhang J. Synthesis, cytotoxicity and DNA-binding properties of Pd(II), Cu(II) and Zn(II) complexes with 4′-(4-(2-(piperidin-1-yl)ethoxy)phenyl)-2,2′:6′,2″-terpyridine. Bioorg Med Chem Lett 2013; 23:5187-91. [DOI: 10.1016/j.bmcl.2013.07.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2013] [Revised: 06/20/2013] [Accepted: 07/04/2013] [Indexed: 12/11/2022]
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Grabar Branilović M, Tomić S, Tumir LM, Piantanida I. The bis-phenanthridinium system flexibility and position of covalently bound uracil finely tunes the interaction with polynucleotides. MOLECULAR BIOSYSTEMS 2013; 9:2051-62. [PMID: 23681361 DOI: 10.1039/c3mb25578f] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of structurally similar bis-phenanthridinium derivatives, some with uracil at different positions, revealed different interactions with various polynucleotides. The uniform binding of mononucleotides to all studied compounds by "cyclobisintercaland" binding type indicated that compound-polynucleotide interaction selectivity was the consequence of polynucleotide secondary structure and not direct nucleobase recognition. Although affinity and fluorimetric response of all studied compounds toward ds-DNA/RNA was similar, the thermal denaturation and ICD signal-based sensing was highly sensitive to polynucleotide basepair composition and secondary structure. In particular, for the specific poly rAH(+)-poly rAH(+) double helix MD parameters are newly developed and used for analysis of its complexes. The highly sensitive orientation of phenanthridinium as well as the role of the uracil substituent, both binding interactions finely tuned by the steric and binding properties of the DNA/RNA-ligand interaction site, offer novel structural information about binding and steric properties of particular DNA-RNA systems.
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Affiliation(s)
- Marina Grabar Branilović
- Laboratory for Chemical and Biological Crystallography, Division of Physical Chemistry, Ruđer Bošković Institute, HR 10002 Zagreb, P.O.B. 180, Croatia.
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Improving nuclease activity of copper(II)-terpyridine complex through solubilizing and charge effects of glycine. J Inorg Biochem 2013; 121:114-20. [PMID: 23376552 DOI: 10.1016/j.jinorgbio.2012.12.018] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2012] [Revised: 12/27/2012] [Accepted: 12/28/2012] [Indexed: 11/22/2022]
Abstract
Copper complexes are potential metallonucleases that may find application in biotechnology and molecular biology. In this study, a ternary copper-terpyridine complex [Cu(ttpy)(Gly)(NO3)](NO3)·H2O (1) (ttpy=4'-p-tolyl-2,2':6,2″-terpyridine) is synthesized and characterized by X-ray crystallography and ESI-MS as an artificial nuclease. Glycine (Gly) is introduced into the complex to enhance the water-solubility and electrostatic affinity for the nucleic acid target. The interaction between complex 1 and DNA has been studied by spectroscopy and gel electrophoresis, using a structural analog [Cu(ttpy)(NO3)2] (2) as the reference. Complex 1 demonstrates an increased DNA binding ability and oxidative cleavage activity towards supercoiled pBR322 DNA as compared with complex 2. The enhanced water-solubility and positive charge of complex 1 may facilitate its access to DNA and formation of hydrogen bonds with the sugar-phosphate backbone. The results indicate that carefully positioned auxiliary groups in a copper complex can significantly affect the substrate binding or activation ability and consequently the nuclease efficiency of the complex.
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Manikandamathavan VM, Rajapandian V, Freddy AJ, Weyhermüller T, Subramanian V, Nair BU. Effect of coordinated ligands on antiproliferative activity and DNA cleavage property of three mononuclear Cu(II)-terpyridine complexes. Eur J Med Chem 2012; 57:449-58. [PMID: 22846797 DOI: 10.1016/j.ejmech.2012.06.039] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2012] [Revised: 06/15/2012] [Accepted: 06/20/2012] [Indexed: 01/18/2023]
Abstract
Three mononuclear copper(II) complexes, [Cu(tpy)Cl(2)] 1, [Cu(tpy)(NO(3))(2)(H(2)O)] 2 and [Cu(Ptpy)Cl(2)]·H(2)O·HCl 3 have been synthesised and characterized by various spectroscopic techniques and single crystal X-ray diffraction. Complexes 1 and 3 have five coordinate geometry in solid state, whereas complex 2 has six coordinate geometry. Mass spectral and EPR evidence suggest that in solution all the three complexes exist predominantly as a four coordinate species. Molecular modelling and DNA cleavage studies indicate that complexes 1 and 2 are DNA minor groove binders, whereas 3 is an intercalator. All the three complexes show nuclease activity in the presence of hydrogen peroxide. The three complexes have been found to be cytotoxic towards A549 lung adenocarcinoma cells.
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Affiliation(s)
- Verasuntharam M Manikandamathavan
- Chemical Laboratory, Central Leather Research Institute, Council of Scientific and Industrial Research, Adyar, Chennai 600 020, India
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Wu HL, Kou F, Jia F, Liu B, Yuan JK, Bai Y. Synthesis, characterization, and DNA-binding of a four-coordinate cobalt(II) complex with 1,3-bis(1-ethylbenzimidazol-2-yl)-2-oxopropane. J COORD CHEM 2011. [DOI: 10.1080/00958972.2011.611505] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Hui-Lu Wu
- a School of Chemical and Biological Engineering, Lanzhou Jiaotong University , Lanzhou , Gansu 730070 , P.R. China
| | - Fan Kou
- a School of Chemical and Biological Engineering, Lanzhou Jiaotong University , Lanzhou , Gansu 730070 , P.R. China
| | - Fei Jia
- a School of Chemical and Biological Engineering, Lanzhou Jiaotong University , Lanzhou , Gansu 730070 , P.R. China
| | - Bin Liu
- a School of Chemical and Biological Engineering, Lanzhou Jiaotong University , Lanzhou , Gansu 730070 , P.R. China
| | - Jing-Kun Yuan
- a School of Chemical and Biological Engineering, Lanzhou Jiaotong University , Lanzhou , Gansu 730070 , P.R. China
| | - Ying Bai
- a School of Chemical and Biological Engineering, Lanzhou Jiaotong University , Lanzhou , Gansu 730070 , P.R. China
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Structural, spectroscopic and magnetic properties of new copper(II) complexes with a terpyridine ligand. Polyhedron 2011. [DOI: 10.1016/j.poly.2010.10.024] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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One pot synthesis of Cu(II) 2,2′-bipyridyl complexes of 5-hydroxy-hydurilic acid and alloxanic acid: Synthesis, crystal structure, chemical nuclease activity and cytotoxicity. J Inorg Biochem 2011; 105:256-67. [DOI: 10.1016/j.jinorgbio.2010.11.006] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2010] [Revised: 11/04/2010] [Accepted: 11/05/2010] [Indexed: 11/22/2022]
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Li J, Futera Z, Li H, Tateyama Y, Higuchi M. Conjugation of organic-metallic hybrid polymers and calf-thymus DNA. Phys Chem Chem Phys 2011; 13:4839-41. [DOI: 10.1039/c0cp02037k] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Wang JT, Zheng XH, Ji LN, Mao ZW. High nuclease activity of a copper(II)-bipyridyl complex containing cytosine pendants. J COORD CHEM 2010. [DOI: 10.1080/00958972.2010.492216] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Jin-Tao Wang
- a MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University , Guangzhou 510275, P.R. China
| | - Xiao-Hui Zheng
- a MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University , Guangzhou 510275, P.R. China
| | - Liang-Nian Ji
- a MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University , Guangzhou 510275, P.R. China
| | - Zong-Wan Mao
- a MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University , Guangzhou 510275, P.R. China
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Wang JT, Xia Q, Zheng XH, Chen HY, Chao H, Mao ZW, Ji LN. An effective approach to artificial nucleases using copper(ii) complexes bearing nucleobases. Dalton Trans 2010; 39:2128-36. [DOI: 10.1039/b915392f] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Gasnier A, Barbe JM, Bucher C, Duboc C, Moutet JC, Saint-Aman E, Terech P, Royal G. Soluble Heterometallic Coordination Polymers Based on a Bis-terpyridine-Functionalized Dioxocyclam Ligand. Inorg Chem 2009; 49:2592-9. [DOI: 10.1021/ic901832q] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Aurélien Gasnier
- Université Joseph Fourier Grenoble I, Département de Chimie Moléculaire, UMR CNRS-5250, Institut de Chimie Moléculaire de Grenoble, FR CNRS-2607, BP 53, 38041, Grenoble Cedex 9, France
| | - Jean-Michel Barbe
- Institut de Chimie Moléculaire de l’Université de Bourgogne, UMR CNRS 5260, 9 avenue Alain Savary, BP 47870, 21078 Dijon cedex, France
| | - Christophe Bucher
- Université Joseph Fourier Grenoble I, Département de Chimie Moléculaire, UMR CNRS-5250, Institut de Chimie Moléculaire de Grenoble, FR CNRS-2607, BP 53, 38041, Grenoble Cedex 9, France
| | - Carole Duboc
- Université Joseph Fourier Grenoble I, Département de Chimie Moléculaire, UMR CNRS-5250, Institut de Chimie Moléculaire de Grenoble, FR CNRS-2607, BP 53, 38041, Grenoble Cedex 9, France
| | - Jean-Claude Moutet
- Université Joseph Fourier Grenoble I, Département de Chimie Moléculaire, UMR CNRS-5250, Institut de Chimie Moléculaire de Grenoble, FR CNRS-2607, BP 53, 38041, Grenoble Cedex 9, France
| | - Eric Saint-Aman
- Université Joseph Fourier Grenoble I, Département de Chimie Moléculaire, UMR CNRS-5250, Institut de Chimie Moléculaire de Grenoble, FR CNRS-2607, BP 53, 38041, Grenoble Cedex 9, France
| | - Pierre Terech
- CEA Grenoble, INAC-SPrAM-LASSO, UMR CEA-CNRS-Université Joseph Fourier Grenoble1, 17 rue des Martyrs, 38054 Grenoble Cedex 9, France
| | - Guy Royal
- Université Joseph Fourier Grenoble I, Département de Chimie Moléculaire, UMR CNRS-5250, Institut de Chimie Moléculaire de Grenoble, FR CNRS-2607, BP 53, 38041, Grenoble Cedex 9, France
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Sathyaraj G, Weyhermüller T, Nair BU. Synthesis, characterization and DNA binding studies of new ruthenium(II)bisterpyridine complexes. Eur J Med Chem 2009; 45:284-91. [PMID: 19879670 DOI: 10.1016/j.ejmech.2009.10.008] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2009] [Revised: 09/30/2009] [Accepted: 10/01/2009] [Indexed: 11/26/2022]
Abstract
Two new ruthenium(II) complexes, [Ru(itpy)2](PF6)2, 1 and [Ru(bitpy)2](PF6)2 2, were synthesized and characterized by ESI-Mass, UV-Visible, 1H NMR, fluorescence spectroscopy and cyclic voltammetry. Complex 1 has been characterized crystallographically. Interaction of these complexes with CT-DNA has been studied using absorption and CD spectra. Absorption spectral titration and CD spectral measurements show that complex 1 binds with DNA through intercalation. Complex 2 on the other hand shows dual mode of binding to DNA, groove binding as well as intercalation. Photo nuclease activity of these complexes has been studied using agarose gel electrophoresis and both the complexes have been shown to exhibit photonuclease activity. However, complex 1 has been found to show higher DNA cleaving efficiency compared to complex 2.
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Affiliation(s)
- Gopal Sathyaraj
- Chemical Laboratory, Central Leather Research Institute, CSIR, Adyar, Chennai, 600020, India
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Shi P, Lin M, Zhu J, Zhang Y, Jiang Q. DNA-binding affinity and nuclease activity of two cytotoxic copper terpyridine complexes. J Biochem Mol Toxicol 2009; 23:295-302. [DOI: 10.1002/jbt.20292] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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DNA binding property, nuclease activity and cytotoxicity of Zn(II) complexes of terpyridine derivatives. Biometals 2008; 22:297-305. [DOI: 10.1007/s10534-008-9166-3] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2008] [Accepted: 09/30/2008] [Indexed: 11/27/2022]
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