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Author : Sheau Yong Lau
Publisher :
ISBN 13 :
Total Pages : 54 pages
Book Rating : 4.:/5 (96 download)
Download or read book Synthesis and Characterization of Ruthenium (II) Complexes with Polypyridyl Ligands written by Sheau Yong Lau and published by . This book was released on 2007 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Youxiang Wang
Publisher :
ISBN 13 :
Total Pages : 416 pages
Book Rating : 4.:/5 (396 download)
Download or read book Synthesis and Characterization of Polypyridyl Ligands and Ruthenium(II) Complexes Based on the Reactivity of 4,5-diazafluorenone in the Presence and Absence of Ruthenium(II) Ion written by Youxiang Wang and published by . This book was released on 1998 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Youxiang Wang
Publisher :
ISBN 13 :
Total Pages : 190 pages
Book Rating : 4.:/5 (326 download)
Download or read book Synthesis and Characterization of Ruthenium (II) Polypyridyl Complexes written by Youxiang Wang and published by . This book was released on 1994 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rudi Kroener
Publisher :
ISBN 13 :
Total Pages : 190 pages
Book Rating : 4.:/5 (12 download)
Download or read book Synthesis and Characterization of Some New Polypyridine Ruthenium (II) Complexes Containing S-bonded Thioether Ligands written by Rudi Kroener and published by . This book was released on 1984 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michał Pawel Łomzik
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (11 download)
Download or read book Synthesis and Characterization of Hybrid Drugs Based on Ruthenium Complex Moiety and Biologically Active Organic Compounds written by Michał Pawel Łomzik and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main goal of this thesis was synthesis and preliminary characterization of novel ruthenium(II) polypyridyl complexes bearing biologically active molecules as potential theranostic agents. Luminescence for the diagnostic applications, and cytotoxicity for the anticancer, therapeutic applications are considered as the theranostic properties. Four new ligands containing biologically active moieties - 5-(4-4'-methyl-[2,2'-bipyridine]-4-ylbut-1-yn-1-yl)pyridine-2-carbaldehyde semicarbazone (L1), 3-(5-4'-methyl-[2,2'-bipyridine]-4-ylpentyl)imidazolidine-2,4-dione (L2), 5,5-dimethyl-3-(5-4'-methyl-[2,2'-bipyridine]-4-ylpentyl)imidazolidine-2,4-dione (L3) and [1-(5-4'-methyl-[2,2'-bipyridine]-4-ylpentyl)-2,5-dioxoimidazolidin-4-yl]urea (L4) were synthesized and characterized. The ligands were used to obtain nine novel ruthenium(II) polypyridyl complexes. Six complexes were synthesized with ligand L1 ([Ru(bpy)2(L1)]2+, [Ru(Mebpy)2(L1)]2+, [Ru(tBubpy)2(L1)]2+, [Ru(Phbpy)2(L1)]2+, [Ru(dip)2(L1)]2+, [Ru(SO3dip)2(L1)]2-) and three with ligands L2, L3 and L4 ([Ru(bpy)2(L2)]2+, [Ru(bpy)2(L3)]2+, [Ru(bpy)2(L4)]2+) (bpy = 2,2'-bipyridine, Mebpy = 4,4'-dimethyl-2,2-bipyridine, tBubpy = 4,4'-tert-butyl-2,2'-bipyridine, Phbpy = 4,4'-diphenyl-2,2-bipyridine, dip = 4,7-diphenyl-1,10-phenantroline and SO3dip = 4,7-di-(4-sulfonatophenyl)-1,10-phenantroline). The spectroscopic and photophysical properties of those complexes were determined. The presence of ligands L1-L4 in the structure of the complex decreased luminescence quantum yield and luminescence lifetime in comparison with unmodified [Ru(bpy)3]2+ complex. The theoretical calculations have shown that ligands L1-L4 do not have influence on ruthenium core geometry. However, they increased the energy of the HOMO that resulted in a shorter band gap. The simulated electronic absorption spectra were in a good agreement with the experimental data. The interactions between the studied ruthenium complexes and human serum albumin (HSA) were investigated. All studied Ru(II) complexes exhibited strong affinity to HSA with the association constant 105 M-1s-1, which suggests formation of Ru complex-HSA adducts. It was also determined that ruthenium complexes most likely bind to the hydrophobic pocket of protein, located in Sudlow's site I in the subdomain II A. Preliminary cytotoxicity evaluation for the studied ruthenium complexes showed their cytotoxic activity towards cancer cell lines. Those results, together with good luminescence properties of the studied ruthenium complexes (luminescence lifetimes and luminescence quantum yield) make them interesting candidates for potential theranostic applications.
Author : Colin R. Spencer
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (122 download)
Download or read book Synthesis and Characterization of Ruthenium Polypyridyl Complexes for Application in Photodynamic Therapy written by Colin R. Spencer and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Eighteen polypyridyl ruthenium complexes were synthesized and characterized to test their ability to be new photodynamic compounds (PDCs). Each compound bears oxazo- or imidazo[4,5-f][1,10]phenanthroline ligands with a varying R-group and 2,2-bipyridine and 1,10-phenanthroline ancillary ligands. Biological tests were employed for the complexes to test the potential to be new PDCs, and included DNA photocleavage, DNA binding, and photocytotoxicity. Compounds containing thiophenes as the R-group showed significant DNA damage in the photocleavage assays as well as light toxicity and low dark toxicity in photocytotoxic assays. Compounds with 1,10-phenanthroline ancillary ligands generally showed more DNA photocleavage, unwinding, and binding compared to their 2,2'-bipyridine counterparts. Dinuclear compounds containing the bis(imidazo[4,5-f][1,10]phenanthroline) bridging ligand exhibited the best results for high light toxicity and low dark toxicity, the strongest binding to DNA, and the most potency for DNA photocleavage. As such these compounds are promising candidates for new PDCs and warrant further investigations.
Author : Eric V. Anslyn
Publisher : Springer Science & Business Media
ISBN 13 : 9783540232476
Total Pages : 252 pages
Book Rating : 4.2/5 (324 download)
Download or read book Anion Sensing written by Eric V. Anslyn and published by Springer Science & Business Media. This book was released on 2005-05-06 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: with contributions by numerous experts
Author : Michele Lorena Folmar
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (976 download)
Download or read book Synthesis and Characterization of a New Ruthenium(ii) Polypyridyl Compound with a Quinolate-type Ligand written by Michele Lorena Folmar and published by . This book was released on 2016 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Meijin Li
Publisher : Open Dissertation Press
ISBN 13 : 9781361428276
Total Pages : pages
Book Rating : 4.4/5 (282 download)
Download or read book Design, Synthesis and Characterization of Ruthenium(ii) and Rhenium(i) Complexes with Functionalized Ligands for Photo-And Electrochemi- Luminescence, Solvatochromism, Molecular Recognition and HPLC Separation Studies written by Meijin Li and published by Open Dissertation Press. This book was released on 2017-01-27 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Design, Synthesis and Characterization of Ruthenium(II) and Rhenium(I) Complexes With Functionalized Ligands for Photo-and Electrochemi- Luminescence, Solvatochromism, Molecular Recognition and HPLC Separation Studies" by Meijin, Li, 李梅金, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: Abstract of thesis entitled DESIGN, SYNTHESIS AND CHARACTERIZATION OF RUTHENIUM(II) AND RHENIUM(I) COMPLEXES WITH FUNCTIONALIZED LIGANDS FOR PHOTO- AND ELECTROCHEMI- LUMINESCENCE, SOLVATOCHROMISM, MOLECULAR RECOGNITION AND HPLC SEPARATION STUDIES Submitted by LI MEIJIN for the degree of Doctor of Philosophy at The University of Hong Kong in July 2006 A series of ruthenium(II) and rhenium(I) diimine complexes containing thia-, selena- and aza-crowns derived from 1,10-phenanthroline, [Ru(bpy) (phen-3S)](ClO ) 2 4 2 (phen-3S = 1,13-dioxa-4,7,10-trithiacyclopentadecano[2,3-f][1,10]phenanthroline), [Ru(bpy) (phen-2S)](ClO ) (phen-2S = 1,7,10,16-tetraoxa-4,13-dithiacyclohexa- 2 4 2 dodecano[2,3-f][1,10]phenanthroline), [Ru(bpy) (phen-S)](ClO ) (phen-S = 1,4,10,13- 2 4 2 tetraoxa-7-thiacyclopentadecano[2,3-f][1,10]phenanthroline), [Ru(bpy) (phen-Se)](ClO ) 2 4 2 (phen-Se = 1,4,10,13-tetraoxa-7-selenacyclopentadecano[2,3-f][1,10]phenanthroline), [Ru(bpy) (phen-OEt](ClO ) (phen-OEt = 5,6-diethoxy-[1,10]phenanthroline), 2 4 2 [Ru(bpy) (phen-2NH)](ClO ) (phen-2NH = 1,13-diaxa-4,7,10-trioxacyclopenta- 2 4 2 decano[2,3-f][1,10]phenanthroline), [Re(CO) (py)(phen-3S)]PF, [Re(CO) (py)(phen-S)]OTf 3 6 3 and [Re(CO) (py)(phen-Se)]OTf have been synthesized and characterized, and their photophysics, electrogenerated chemiluminescence (ECL) and electrochemistry were studied. Their interaction with metal ions was investigated by UV-vis, luminescence, NMR spectroscopy and ECL. [Ru(bpy) (phen-3S)](ClO ) and [Re(CO) (py)(phen-3S)]
Author : Gilles Gasser
Publisher : John Wiley & Sons
ISBN 13 : 111851002X
Total Pages : 437 pages
Book Rating : 4.1/5 (185 download)
Download or read book Inorganic Chemical Biology written by Gilles Gasser and published by John Wiley & Sons. This book was released on 2014-06-23 with total page 437 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding, identifying and influencing the biological systems are the primary objectives of chemical biology. From this perspective, metal complexes have always been of great assistance to chemical biologists, for example, in structural identification and purification of essential biomolecules, for visualizing cellular organelles or to inhibit specific enzymes. This inorganic side of chemical biology, which continues to receive considerable attention, is referred to as inorganic chemical biology. Inorganic Chemical Biology: Principles, Techniques and Applications provides a comprehensive overview of the current and emerging role of metal complexes in chemical biology. Throughout all of the chapters there is a strong emphasis on fundamental theoretical chemistry and experiments that have been carried out in living cells or organisms. Outlooks for the future applications of metal complexes in chemical biology are also discussed. Topics covered include: • Metal complexes as tools for structural biology • IMAC, AAS, XRF and MS as detection techniques for metals in chemical biology • Cell and organism imaging and probing DNA using metal and metal carbonyl complexes • Detection of metal ions, anions and small molecules using metal complexes • Photo-release of metal ions in living cells • Metal complexes as enzyme inhibitors and catalysts in living cells Written by a team of international experts, Inorganic Chemical Biology: Principles, Techniques and Applications is a must-have for bioinorganic, bioorganometallic and medicinal chemists as well as chemical biologists working in both academia and industry.
Download or read book Synthesis and Characterization of Ruthenium(II) and Platinum(IV) Complexes with Anionic Heteroatomic Ligands written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Isolated and fully characterized complexes of late transition metals in low oxidation states possessing amido and alkoxo ligands are relatively rare. These ligands often exhibit nucleophilic and/or basic reactivity. This reactivity is due, at least in part, to the disruption of ligand to metal à â'Ơ-bonding. Reports of early transition metals with low d-electron counts with imido ligands facilitating C-H activation suggest that if later transition metals with amido or aryloxo ligands can be isolated, C-H activation reactivity may be observed. Ruthenium(II) complexes that catalyze the H/D exchange of N-H and O-H protons at anilido and hydroxo ligands, respectively, with deuterated solvents have been reported, and studies of related systems could shed significant light on C-H activation in these types of reactions. Observing changes in the rate of C-H activation based on specific changes to transition metal complexes could give insight into the creation of highly active C-H activation catalysts. Presented here are synthetic efforts toward late transition metal complexes with formally anionic heteroatomic ligands. The synthesis and initial characterization of [EpRu(Cl)(PPh3)(NCMe)][Cl], [EpRu(py)2Cl][Cl], [EpRu(py)2Cl][Cl], [EpRu(OHMe)(PMe3)(Cl)][BArÃØâ'Ơâ"Ø4] are reported {Ep = 1,1,1-tris(pyrazolyl)ethane, py = N-pyridine, ArÃØâ'Ơâ"Ø = 3,5-(CF3)-C6H3}. The lack of solubility yielded these complexes ineffective for further synthetic manipulation. Additionally presented is the synthesis and characterization of (tbpy)Pt(Me)2(I)2 and (tbpy)Pt(Me)(NHPh)(I)2 (tbpy = 4,4ÃØâ'Ơâ"Ø-tert-butyl-2,2ÃØâ'Ơâ"Ø-bipyridine). Attempted syntheses of (tbpy)Pt(NHPh)2(I)2 and (tbpy)Pt(Cl)(NHPh)(I)2 are also reported. Initial reactivity of (tbpy)Pt(Me)2(I)2 and the decomposition of (tbpy)Pt(Me)(NHPh)(I)2 are further re.
Author : Matthew Thomas Mongelli
Publisher :
ISBN 13 :
Total Pages : 149 pages
Book Rating : 4.:/5 (861 download)
Download or read book Synthesis, Characterization and Physical Studies of Ligand Bridged Bimetallic Aqua Ruthenium (II) Polypyridyl Complexes written by Matthew Thomas Mongelli and published by . This book was released on 2004 with total page 149 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : John Wiley & Sons
ISBN 13 : 0470651547
Total Pages : 221 pages
Book Rating : 4.4/5 (76 download)
Download or read book Inorganic Syntheses, Volume 35 written by and published by John Wiley & Sons. This book was released on 2010-08-13 with total page 221 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Inorganic Syntheses series provides all users of inorganic substances with detailed and foolproof procedures for the preparation of important and timely compounds. Includes complete, up-to-date procedures involving important inorganic substances Contains subject, contributor, and formula indexes
Author : Willie J. Perez
Publisher :
ISBN 13 :
Total Pages : 234 pages
Book Rating : 4.:/5 (348 download)
Download or read book The Synthesis and Characterization of Octahedral Ruthenium(II) Complexes with Trans-Spanning Diphosphine Ligands written by Willie J. Perez and published by . This book was released on 1995 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Carmen Kloer
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (143 download)
Download or read book Synthesis and Characterization of Ruthenium(II)-hispolon Complexes written by Carmen Kloer and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mathew Stein
Publisher :
ISBN 13 :
Total Pages : 58 pages
Book Rating : 4.:/5 (861 download)
Download or read book Synthesis and Characterization of a Series of Ruthenium Polypyridyl Metal Complexes written by Mathew Stein and published by . This book was released on 1999 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Qiaoqin Zhao
Publisher :
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.:/5 (451 download)
Download or read book The Synthesis, Characterization and Photophysical Properties of Ruthenium Polypyridyl Complexes Containing 3,3' Substituted Bipyridyl and Crown Ether Derivatized Diazafluorene Ligands written by Qiaoqin Zhao and published by . This book was released on 2000 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
