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Showing 1 to 20 of 34 for “"lanthanide ions"”.
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Observations on the Rare-Earths: Studies of Ethylenediamine Complexes Ofthe Lanthanide Ions
Made available in DSpace on 2014-12-09T17:36:12Z (GMT). No. of bitstreams: 1 6910703.pdf: 4487423 bytes, checksum: 0a3976dd1ea17076b3112721553f7575 (MD5) Previous issue date: 1968
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Observations on the Rare-Earths: Thermodynamic Studies of Tropolonate Complexes of the Lanthanide Ions
Made available in DSpace on 2014-12-09T17:36:31Z (GMT). No. of bitstreams: 1 7013262.pdf: 2849206 bytes, checksum: 725376c0bb9c11a11f83815843d16857 (MD5) Previous issue date: 1969
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Use Of 17o-Nmr Spectroscopy To Study The Coordination Chemistry Of Trivalent Lanthanide Ions In Solution
<p>Trivalent lanthanide (Ln3+)-containing complexes have a number of important applications in molecular imaging, catalysis, medical diagnosis, information storage, and environmental sensing. The properties of Ln3+-containing complexes that are useful for these applications are influenced by …
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Analytical Potential Of Polymerized Liposomes Bound To Lanthanide Ions For Qualitative And Quantitative Analysis Of Proteins
… highly selective and often very strong interactions among different cellular components. Such interactions play a variety of organizational, mechanical, and physiological roles at the cellular and organism levels. Antigen-antibody complexes are representative examples of highly selective and …
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Investigation into the unique coordination and spectroscopic properties of lanthanide ions with dipyridylamine and dipicolylamine based ligands.
… was to develop compounds that could sensitize lanthanide ion luminescence for possible applications as biological sensors and optical amplifiers. Dipyridylamine and dipicolylamine based starburst compounds were synthesized and characterized. X-ray crystallography of ligands and a lithium …
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New Derivatives Of Pyridine-2,6-Bis(Oxazoline) For The Sensitization Of Visible And Near Infrared Emitting Lanthanide Ions
Lanthanide ion luminescence can be sensitized when coordinated by a ligand or antenna to give intense and characteristic color emission. Eu(III) and Tb(III) being the most thoroughly studied due to their intense emission in the visible region of the spectrum, the near-infrared emitting ions …
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Nuclear magnetic resonance studies on phospholipid membranes using paramagnetic ions
… develop the application of an nmr method, using lanthanide ions as probes, to the study of phospholipid vesicular membranes and their interactions with membrane active compounds.<br/><br/>Chapter 1 gives a general introduction to the field of biological and model membranes, nmr methods and the …
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Development of lanthanide-binding tags (LBTs) as powerful and versatile peptides for use in studies of proteins and protein interactions
… cellular localization and binding interactions. These techniques generally require a spectroscopic handle, and trivalent lanthanide ions (Ln3+) are protean in this regard: an ordered Ln3+ can have many uses. Paramagnetic lanthanide ions can be exploited to align biomolecules in a magnetic …
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Novel strategies for DNA detection and assay.
… technique for DNA sequencing was developed using lanthanide chelates. These compounds were identified as likely candidates to replace traditional dyes in four colour sequencing strategies because of their advantageous spectroscopic properties. Several chelates were synthesised and their …
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Development of stimulus-responsive polydiacetylene systems for molecular colorimetric detection
… structure for molecular colorimetric detections. In the first part of the work, pyridine-2-aldoxime, capable of binding pesticide malathion, was conjugated with diacetylene monomer, followed by the conjugate polymerization under UV irradiation to form a stimulus-responsive system. The rapid, …
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Light conversion processes in lanthanide-based molecular materials
… processing of luminescent molecular complexes of lanthanide ions (Ln), for the development of efficient near infrared (NIR)-emitting materials. In the light of a detailed understanding of the chemical/photophysical properties of the special class of lanthanide quinolinolato complexes, as prototype …
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Developing Novel Nanoparticulated Imaging System using Luminescence Enhancement of Eu(III) and TB(III) by Single-Strand DNA Encapsulation
… The luminescence of these two lanthanides is weak due to low absorption cross sections. Conversely, the emission of both trivalent ions, upon irradiation, in aqueous solution, is strong when bound to complex ligand systems. The luminescent enhancement is the result of energy …
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Solid-State NMR of Metallic and Paramagnetic Systems
… to study. However, these same hyperfine interactions can also provide important details of the electronic and magnetic structure for a sample. In this work ssNMR methodologies are developed to study different paramagnetic and metallic systems, and thereby demonstrate the information that can be …
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Low-dimensional and frustrated magnetism in complex lanthanide oxides
… the structural and magnetic behaviour of complex lanthanide oxides exhibiting low-dimensional and/or geometrically frustrated magnetism. Materials displaying these phenomena are well studied as hosts for novel magnetic states such as spin liquids, and for applications such as magnetic …
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Design, Synthesis, And Luminescence Properties Of Bridged Dimetallic Lanthanide Coordination Compounds
… nearly isostructural and contained a dimetallic lanthanide core bridged by three oxygen atoms that are covalently bound to the ligand backbone. The homodimetallic Eu3+ complex behaved as a concentration-independent pH sensor that correlates the luminescence-decay rate of the complex to pH. The …
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Photoluminescence Properties of Lanthanide doped Wide Gap Compounds of Interest in Photonics
… of the photoluminescence properties of lanthanide doped wide band gap compounds of interest in photonics and optoelectronics. Wide gap compounds doped with rare earth elements are of great relevance in science and technology, with applications ranging from solid state lasers for …
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Computer Simulations of Rare Earth Erbium Ion-Extractant Binding at Liquid-Liquid Interfaces
… underlying the solvent extraction of trivalent lanthanide ions in bulk water and at the aqueous-organic interface. Solvent extraction is a critical process in the separation of rare earth elements, which are essential for technologies like the nuclear fuel cycle, electronics, and renewable …
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Crystal field aspects of the vibrational spectra of some metal complexes of tropolone and nitrogen donor ligands
… in the assignment of metal sensitive vibrations to the transition metal tropolonate complexes. A study has been made of the effects of spin state and Jahn-Teller distortion on the vibrational spectra of the metal tropolonates. Of particular interest is the octahedral divalent metal …
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Development and application of novel tracers for environmental applications.
… sources or particulates. The concept of using lanthanide doped glasses as environmental tracers has been demonstrated. The spectral characterisation and concentration studies of the lanthanide doped tracer allow the selection of parameters to produce future tracers and detection systems for …
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