Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 43 for “"polypyridyl"”.
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Electrochemiluminescence of a Ruthenium Polypyridyl Cyanide Complex
… used in clinical and laboratory diagnostics. Polypyridyl ruthenium complexes containing cyanide have also been shown to have strong visible absorptions and ground and excited state properties that make them potentially useful in practical application. However, their ECL has never been …
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Ruthenium-Platinum Polypyridyl Complexes: Synthesis and Characterization
… combine light-absorbing Ru<sup>II</sup>-polypyridyl chromophores and a cis-PtCl₂ structural motif known to bind DNA. The Ru-bound chloride may be substituted, enabling further modification of the spectroscopic properties. The synthesis of [(tpy)RuCl(BL)PtCl₂](PF₆) utilizes a building …
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Synthesis, Structure, and Characterization of Hybrid Solids Containing Polyoxometalates and Ruthenium Polypyridyl Complexes
… sciences and chemical analysis. Ruthenium polypyridyl complexes have been extensively studied for their applications as photosensitizers in solar energy conversion and photoelectronic materials. Recently, ruthenium heterocyclic ligand complex-based building blocks have been used for the …
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Ruthenium polypyridyl complexes with long aliphatic chains; photophysics, interfacial assembly and cell imaging
A series of novel Ruthenium polypyridyl complexes [Ru(dpp)2(x-ATAP)](PF6)2 were synthesised and their photophysical and electrochemical properties are reported on, where x-ATAP is either 5-Amido-1,10-phenanthroline-(6-acetylthio-hexanyl), 5-Amido-1,10-phenanthroline-(8-acetylthio-octanyl), …
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Crystal engineering of MOF based on polypyridyl ligands and coordinatively unsatured NiII ions
… R = Me, Et] with a variety of polypyridyl donors prepared and characterized as a part of the PhD work, selected according to their rigidity, topology, number and position of donor atoms. Chapter 1 An introductory part is presented which reports the main concepts of …
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Investigation of the photochemical properties of ruthenium polypyridyl complexes using high performance liquid chromatography
… the Photochemical Properties of Ruthenium Polypyridyl Complexes using High Performance Liquid Chromatography (HPLC). In chapter 1, topics relevant to the studies presented in this thesis are introduces. An introduction highlights the literature relevant to the topic. In Chapter 2, the …
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A Break In Communication: The Synthesis, Characterization, DNA Binding and Photocleavage of a Novel Ruthenium Polypyridyl Complex Containing an Electronically Isolated Pyrene Group
<p>A novel complex [Ru(bpy)2bpy-py]2+ (where bpy= 2,2’-bipyridine and bpy-py=N-(6-(4-(pyren-1-yl) butanamido) hexyl)-[2,2'-bipyridine]-5-carboxamide))) has been synthesized. The effect of electronically isolating the pyrene from the metal core on the complex’s ability to bind to and photocleave DNA …
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Towards the Design and Syntheses of Novel Triads Comprising Single Robson-Type Macrocyclic Dicopper(II) Cores Flanked by Two Terminal Polypyridyl Ruthenium(II) Complexes.
… is further functionalized by attachment of two polypyridyl ruthenium(II) complexes. A novel dibrominated dicopper(II) Robson complex was formed by the 2:2:2 condensation reaction of 4-bromo-2,6-diformylphenol and 1,3- diaminopropane with cupric chloride. Similarly, a new dibrominated dizinc(II) …
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Dirhodium(II,II) paddlewheel complexes conjugated to a polypyridyl tris-amine scaffold: synthesis and application as asdjncaslpre-catalysts in the hydroformylation of 1-octene
The hydroformylation reaction is the addition of CO/H2 (synthesis gas) to olefins using a transition-metal catalyst to produce linear and/or branched aldehydes. This reaction is in alignment with the Green Chemistry philosophy, applying principles such as using renewable feedstocks, atom economy, …
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Methodologies For Attaching Polypyridyl Ligands Into Amino Acids And Synthesis And Biological Evaluation Of Novel Light Activated Peptidomimetic Cysteine Protease Inhibitors Caged By Ruii(bpy)2
… part describes novel methodologies for attaching polypyridyl ligands into unnatural amino acids. The first chapter describes the different possibilities for attaching metal ligands to peptides and their applications as potential imaging and therapeutic agents covered so far in the literature. It …
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The development of group VIII trinuclear transition metal complexes as chemotherapeutic and photodynamic therapy agents
… trinuclear benzimidazole-based ruthenium(II) polypyridyl complexes, were synthesized and characterized. The ruthenium(II) polypyridyl complexes were fully characterized using an array of spectroscopic and analytical techniques, including one- and two-dimensional Nuclear Magnetic Resonance …
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On The Nature Of Excited States In Ruthenium Complexes: Towards Renewable Energy
… quantum yields and lifetimes) of ruthenium-polypyridyl complexes are investigated to better understand the effects of electronic mixing on metal-to-ligand-charge-transfer (3MLCT) excited state properties and how metal-centered (3MC) excited states affect the properties of potential ruthenium …
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Tuning the ground and excited state properties of a series of polymetallic tridentate complexes incorporating Ru(II) or Os(II) as the chromophore
… complexes incorporating the tridentate polypyridyl bridging ligand tpp (where tpp = 2,3,5,6-tetrakis(2-pyridyl)pyrazine) and an investigation of their ground and excited state properties. A series of ruthenium monometallic chromophore complexes has been prepared varying the ligands …
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[Ru-POM] Photo-electrocatalysis
… of polyoxometalate anions with Ruthenium polypyridyl cations has received intensive investigation as the excellent photoluminescence properties and stability of Ruthenium polypyridyl complexes in multiple redox states can be coupled to the POM in order to extend the absorbance crosssection …
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Comparative Electrochemistry, Electronic Absorption Spectroscopy and Spectroelectrochemistry of the Monometallic Ruthenium Polypyridyl Complexes, [Ru(Bpy)(Dpb)2](Pf6)2, [Ru(Bpy)2(Dpb)](Pf6)2, [Ru(Bpy)2(Dpq)](Pf6)2, [Ru(Bpy)(Dpq)2](Pf6)2
The novel compound [Ru(bpy)(dpb)–(PFâ )â was synthesized, in a manner similar to the literature synthesis of [Ru(bpy)(dpq)â (PFâ )â . For the sake of completeness, the related analogs, [Ru(bpy)â (dpb)](PFâ )â , [Ru(bpy)â (dpq)](PFâ )â and [Ru(bpy)(dpq)â ](PFâ )â were also synthesized. Alumina …
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Next-Generation Oligonucleotide Probes For Transcriptome In Vivo Analysis (tiva)
… severs photoactivable o-nitrobenzyl- or Ru(II) polypyridyl-based linkages built into the probe, freeing the poly(U) capture sequence to effectively biotinylate mRNA. After photolysis, a small tissue region containing the target cell is aspirated out and lysed so that the target mRNA can be …
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