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.
Results
Showing 1 to 20 of 41 for “"Terpyridine"”.
-
Development Of Ruthenium/terpyridine Complexes For Water Oxidation
… terpy-R= 4'-(4-methylmercaptophenyl)-2,2':6'2"-terpyridine and phen-X=H (1), X= 5-nitro (2), X=5,6-dimethyl (3), and X= 3,4,7,8-tretramethyl (4) was synthesized as precursors for self-assembled monolayers. Water oxidation properties of these complexes were evaluated in the presence of …
-
Synthesis and characterization of terpyridine-based fluorescent coordination polymers
Complexation properties of 2,2':6',2''-terpyridine (tpy) have been studied with a series of first row transition metal ions by UV-vis, 1H NMR and isothermal titration calorimetry and ƒ´H values for the tpy complexation processes have been determined. These studies reveal that Zn2+ is the best …
-
Development of 64Cu/NOTA-terpyridine platinum conjugates as chemoradiotheranostic agents
… ont été proposées, y compris des composés de terpyridine (TP) qui ont une structure planaire carrée ciblant les structures secondaires G-quadruplex de l'ADN. Par intercalation des TP, la stabilité des G-quadruplex sera améliorée, provoquant l'élimination du complexe protecteur Shelterin des …
-
Preparation And Characterization Of Meridionally Trischelated Rhenium(i) Terpyridine Dicarbonyl Complexes
… series of meridionally coordinated tridentate terpyridine rhenium dicarbonyl complexes. The complex mer,cis-Re(tpy-κ<super>3</super>N)(CO)<sub>2</sub>Cl (1) undergoes facile chloride substitution to produce a variety of complexes of the type …
-
Terpyridine Functionalized Dye-Doped Silica Nanoparticles (DDSN) for Detection of Metal Ions
… from the bottom up a novel 2, 2’: 2’, 6- terpyridine functionalized fluorescein doped silica nanoparticle system capable of the sensitive detection of Cu<sup>2+</sup> and Co<sup>2+</sup>. To further probe the properties of our nanoparticle system, we substitute the fluorescein dye of …
-
Tuning the Photophysical and Biological Properties of a Series of Ruthenium-Based Chromophores and Chromophore Coupled Cisplatin Analogs with Substituted Terpyridine Ligands
… DNA interaction, and bioactivity of tridentate, terpyridine containing ruthenium-based chromophores and chromophore coupled cisplatin analogs. The coupling of a light absorbing unit to a bioactive site offers the potential for developing supramolecules with multifunctional interactions with DNA …
-
Towards the Design and Syntheses of Novel Triads Comprising Single Robson-Type Macrocyclic Dicopper(II) Cores Flanked by Two Terminal Polypyridyl Ruthenium(II) Complexes.
… 4'-(4-Neopentylglycolatoboronphenyl)-2,2':6',2-terpyridine also coupled with 5-bromo-2-(methoxymethoxy)benzene-1,3-dicarboxaldehyde to give, after deprotection, 2,6-diformyl-4-(4-[2,2':6',2"-terpyridin]-4'-ylphenyl)phenol. This new dialdehyde, a precursor to the title complexes, was treated with …
-
Auf dem Weg zu photochromen supramolekularen Architekturen : Untersuchungen zu Synthese und Eigenschaften potentieller Bausteine
… linkage of photochromic moieties to 2,2':6',2''-terpyridine structures is reported in this thesis - the selected photochromic building blocks being anthracene and diarylethenes. The photochromism of the desired functionalised terpyridines was investigated; furthermore the influence of transition …
-
Surface Tethered PAMAM Dendrimers On Controlled Pore Glass As Color Release Sensors For Phosphates
… two strong metal-chelators: aminofunctionalized terpyridine (synthesized from 2,2’:6’,2’’-terpyridine) and Nα-Nα-bis(carboxymethyl)-L-lysine (Lys-NTA). First of all, Cu(II) metal ion binding capacities were measured on the surfaces. Second, two terminal group density tests, amine assay and CDI …
-
PNA-Ligand Bioconjugates as Potential Building Blocks for Sequence-Specific, Metal-Mediated DNA-/RNA-Cleavage
… of this Thesis, functionalized nitrogen ligands (terpyridine, bis-picolylamine and phenanthroline) were synthesized, and their metal binding behaviour in unsubstituted form and as pseudoneurotensin conjugates were investigated, revealing different binding modes depending on the type of ligand and …
-
A Lewis Acidic Stroll Through the p-Block
… dications containing both an ortho-quinone and terpyridine backbone were prepared and shown to effect the Lewis acid-mediated hydrodefluorination (HDF) of fluoroalkanes with silanes, despite the phosphorus center being coordinately saturated. Computational data support the notion that these …
-
Glass Foundation Chemosensor Synthesis and Functionality Analysis
… lysine-NTA outperforms an amino-functionalized terpyridine in metal chelation. For dendrimers, higher generation dendrimers lead to more terminal Cu2+ metal binding sites than lower generation dendrimers.</p>
-
Novel electrode materials and advanced electrochemical diagnostics for electrochromic devices
… potentials were investigated using an Fe (II) terpyridine based complex as the ECM. From this, it was found that by improving the charge-storage properties at the CE and limiting the potential window used, ECD degradation could be minimized. Furthermore, by employing these modifications it was …
-
SYNTHESIS OF PERFLUOROHETEROAROMATIC POLYMERS FOR ION-CONDUCTING MEMBRANE FUEL CELLS VIA FREE RADICAL-BASED REACTIONS AND SYNTHESIS OF DI-CATIONIC IONIC LIQUIDS AS EFFICIENT SO2 ABSORBENTS
… comprised of perfluoro(phenyl-2,2’:6’,2”-terpyridine) polymer, ZrO(ClO4)2 nanoclusters, and 2,2’:6’,2”-terpyridine displayed the highest conductivity of 23.1 mS/cm at 60 oC. The chemical stability test of composite membrane showed no conductivity loss after refluxing in 7 M KOH solution at …
-
Molecular Hybrid Photocathodes Based on Silicon for Solar Fuel Synthesis
… of a novel phosphonated cobalt bis(terpyridine) catalyst to achieve the first precious metal-free, CO$_{2}$-reducing molecular hybrid photocathode. Reducing CO$_{2}$ in both organic-water and purely aqueous conditions, the activity of this photocathode was shown to be affected by its …
-
Estudio de nuevos sistemas supramoleculares basados en interacciones Au(I)-Pb(II) no soportadas
… different donor nitrogen ligands (neocuproine, terpyridine and tetra-2-pyridinilpyrazine) coordinated to lead with the aim to analyze the possible influence of both types of ligands in the stoichiometry, structure and properties of the new derivatives synthesized, observing the formation of …
-
Monolayer terpyridyl metal complexes for high-efficiency electrochromic materials
… intense redox-dependent colored states. So far, terpyridine (tpy) ligands were mainly explored as coordinating ligands for polymeric ECM design. In this work, tpy-based unit was applied as a coordinating moiety for ECMs design, and well-defined tpy-metal complexes were deposited on the porous …
-
Hierarchical control of hydrogel dynamics via choice of ligand chemistry
… with either catechol, nitro-catechol or terpyridine end groups are crosslinked with either iron(III) ions (i.e. Fe³⁺) or ferrite nanoparticles (i.e. Fe₃O₄). Rheological and spectroscopic measurements show that the macroscopic dynamic behavior of gels can be controlled orthogonally from …
-
Ruthenium-Platinum Polypyridyl Complexes: Synthesis and Characterization
… [(tpy)RuCl(BL)PtCl₂](PF₆) (tpy = 2,2':6',2"-terpyridine and BL = bridging ligand) and their spectroscopic, electrochemical, and DNA binding properties studied. The bridging ligands used in these complexes were 2,3-bis(2'-pyridyl)pyrazine (dpp), 2,3-bis(2'-pyridyl)quinoxaline (dpq) and …
Page 1 of 3