Browsing Chemistry (Theses and Dissertations) by Title
Now showing items 180-199 of 394
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N-containing polyaryl ligands in coordination and supramolecular chemistry
(Trinity College (Dublin, Ireland). School of Chemistry, 2007)Part 1 describes the synthetic route and the characterisation of a family of nitrogen heterosuperbenzene compounds. Those polyaromatic ligands, which contain a fused dipyrimidine unit possess unusual photophysical properties ... -
N-Heterocyclic carbene-catalysed transformations : the crossed benzoin condensation and oxidative aldehyde esterifications
(Trinity College (Dublin, Ireland). School of Chemistry, 2016)The focus of this thesis is the development of a suite of heteroazolium ion-based salts as precursors to N-heterocyclic carbene (NHC) catalysts for a range of transformations involving aldehyde substrates. It has been ... -
N-Heterocyclic carbene-mediated reactions : controlling the fate of the Breslow Intermediate
(Trinity College (Dublin, Ireland). School of Chemistry, 2015)We have developed a highly efficient, broad scope, additive-free mild protocol for the oxidative carbene-catalysed esterification of aldehydes. We have unambiguously identified benzoin as the oxidised species in these ... -
NanoElectrochemical studies of 2D Materials for Energy Storage and Conversion using Scanning Electrochemical Cell Microscopy
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2023)Electrochemical systems are of critical importance in modern society as they enable the conversion of electricity from renewable sources into chemicals and materials. The integration of nanomaterials in energy storage and ... -
Nanoelectromechanical relays for low power integrated circuits
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2019)The semiconductor industry roadmap was described by Intel cofounder, Gordon Moore, fifty years ago when he predicted that the number of transistor devices on a silicon integrated circuit would double with every new generation ... -
Nanometer-size metal complexes : magnetic materials and DNA probes
(Trinity College (Dublin, Ireland). School of Chemistry, 2004)The work described in this thesis was carried out as part of the European TMR Network “Nanometer-size metal complexes” (Contract N ERBMRXCT980226). The synthesis of Cr(III) homoleptic and heteroleptic polypyridyl complexes ... -
Nanoparticle & luminescent ruthenium oligonucleotide conjugates
(Trinity College (Dublin, Ireland). School of Chemistry, 2011)The field of plasmonies is a rapidly growing area of research and holds much promise for the improvement of diagnostics. The work in this thesis outlines the advances that have been made to assemble the components needed ... -
Nanostructured carbon-based materials as sustainable electrocatalysts for energy conversion applications
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2022)Electrochemistry has recently gained increased attention as a versatile strategy for achieving challenging transformations at the forefront of organic chemistry. Electrochemistry’s unique ability to generate highly ... -
Nanostructured composite materials for solar energy conversion
(Trinity College (Dublin, Ireland). School of Chemistry, 2015)Sunlight is the largest of all available carbon neutral energy sources. Hence the development of solar energy devices, which can create energy from the sun are of extreme importance to society. In 1991, Gratzel et al. ... -
Naphthalimides Exhibiting Aggregation-Induced Emission for Bioimaging Applications
In this project, a 1,8-naphthalimide (Nap, compound 8) is functionalised with two triphenylamino (TPA) moieties which, by virtue of having multiple freely rotating aromatic rings, are capable of exhibiting aggregation-induced ... -
New Approaches to the treatment of Schizophrenia and other Neuropsychiatric Disorders: Targeting alpha2-adrenoceptors
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2019)Schizophrenia is a severe mental illness affecting 21 million people worldwide, resulting in cognitive impairments and negative symptoms that impact patients' ability to live a normal life. Almost all current antipsychotic ... -
New carbon nanotube composites
(Trinity College (Dublin, Ireland). School of Chemistry, 2006)The main goal of this research is to prepare new chemically functionalised carbon nanotubes and their composite materials and to investigate their properties. This work is focused on the use of organometallic chemistry for ... -
New families of minor groove binders : synthesis, biophysical and biochemical evaluation and their role in apoptosis
(Trinity College (Dublin, Ireland). School of Chemistry, 2011)There is an active field in the design and synthesis of DNA targeting molecules as potential anticancer agents. Although a number of successful drug treatments against a variety of cancers are in clinical use, many of these ... -
New magnetic nanocomposite materials
(Trinity College (Dublin, Ireland). School of Chemistry, 2007)The main aim of this project is to develop new iron oxide based nanomaterials with potential biomedical applications. This work involves the synthesis of various magnetite, maghemite and cobalt ferrite nanocomposites, the ... -
New Materials for Controlled Singlet Oxygen Generation
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2021)Singlet oxygen is notoriously uncontrollable, suffers from poor selectivity, and has fast decomposition rates in biological media. Across the scientific community, there is an enduring effort to refine singlet oxygen ... -
New metallasiloxane complexes of aluminium and lanthanides
(Trinity College (Dublin, Ireland). School of Chemistry, 2004)The main objective of this project was to develop novel metalIasiloxane complexes through a variety of synthetic strategies. The work focused mainly on aluminium and lanthanide metallasiloxanes. The catalytic properties ... -
New methodologies for catalysis and combinatorial chemistry
(Trinity College (Dublin, Ireland). School of Chemistry, 2013)The enantioselective synthesis of chiral molecules, such as those required by the pharmaceutical industry, is one of the most important tasks in chemistry. Asymmetric catalysis is an attractive way to synthesise enantiopure ... -
New N- and S-containing polyaryl compounds as ligands in transition-metal coordination chemistry
(Trinity College (Dublin, Ireland). School of Chemistry, 2005)Part 1 gives an overview of the literature concerning nitrogen-donor and thiophene ligands and their transition metal complexes. In particular it focuses on the known variations in the synthesis, design and coordination ... -
New studies in the synthesis and applications of pteridines
(Trinity College (Dublin, Ireland). School of Chemistry, 2003)The work described in this thesis involved the study of two distinct areas of research within pyrimidine and pteridine chemistry. The first of these involved investigation of the pteridine biosynthetic pathway within the ... -
New technology for the extraction of energy critical metals from weee and removal of PFOA from water
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2018)ABSTRACT Electrical and electronic equipment contains a plethora of energy critical metals which eventually concentrates in the annual 20-50 million metric tonnes of e-wastes produced globally. This has been identified ...