Chemistry (Theses and Dissertations): Recent submissions
Now showing items 401-420 of 435
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The synthesis and chemistry of macrolactones
(Trinity College (Dublin, Ireland). School of Chemistry, 2014)The work herein presented is an investigation into the methodology of macrolactonisation via an intramolecular acylative cleavage of a tetrahydrofuran ring. The thesis is divided into three Chapters: an introduction outlining ... -
Novel nanoscopic manganese-oxo clusters - supramolecular and coordination chemistry approaches towards molecular magnetic materials
(Trinity College (Dublin, Ireland). School of Chemistry, 2015)This work focuses on coordination chemistry approaches for the preparation of novel nanoscopic Mn coordination clusters with unique molecular magnetic properties. The project involves the synthesis and structural ... -
Chiral lanthanide-directed self-assembly : ligand substitution as a path to functionally diverse supramolecular complexes
(Trinity College (Dublin, Ireland). School of Chemistry, 2014)Entitled “Chiral Lanthanide-Directed Self-Assembly: Ligand Substitution as a Path to Functionally Diverse Supramolecular Complexes”, this thesis is divided into seven chapters. Chapter 1, the introduction, aims to address ... -
Computer modelling of metal oxides
(Trinity College (Dublin, Ireland). School of Chemistry, 2014)Metal oxide ceramics constitute a group of inorganic compounds with a rich set of properties that have found use in many technological applications of present relevance. Defects in the crystalline structure of these materials ... -
The synthesis and biological evaluation of Mycobacterium tuberculosis associated glycan derivatives
(Trinity College (Dublin, Ireland). School of Chemistry, 2014)Mycobacterium tuberculosis establishes chronic infection and causes disease through manipulation of the host's innate and adaptive immune response. The bacterial cell wall is highly complex and contains a rich variety of ... -
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. ... -
A study of nanowire junctions and their impact on the properties of nanowire networks
(Trinity College (Dublin, Ireland). School of Chemistry, 2015)Nanowire networks are of immense technological interest due to their properties of high transparency, high porosity, flexibility, ease of fabrication, and low cost. Despite the increasing attention these materials continue ... -
An investigation of the resistive switching in individual and networks of nickel nanowires
(Trinity College (Dublin, Ireland). School of Chemistry, 2014)Nickel/nickel oxide core-shell nanowires can be transformed from their native electrically insulating state to a conductive state by the formation of an atomic scale conductive filament bridging the oxide. This resistive ... -
Lanthanide-directed self-assembly formations from novel dipicolinic acid derivatives
(Trinity College (Dublin, Ireland). School of Chemistry, 2014)This thesis, entitled “Lanthanide-Directed Self-Assembly Formations from Novel Dipicolinic Acid Derivatives” is divided into six chapters. Chapter 1, the introduction, gives an overview of the lanthanide ions including ... -
The synthesis and testing of inhibitors for the enzyme GTP-cyclohydrolase (I)
(Trinity College (Dublin, Ireland). School of Chemistry, 2000)This thesis investigates the design and synthesis of compounds to be tested as inhibitors of the enzyme guanosine triphosphate cyclohydrolase (I), an enzyme which plays an important role in the biosynthesis of almost all ... -
Modulating supramolecular structures and topologies of coordination polymers and networks using the iminodiacetic acid substituted aromatic ligands
(Trinity College (Dublin, Ireland). School of Chemistry, 2011)Chapter 1 introduces the reader to the research area described in this thesis. It puts the work into context and provides appropriate literature references. The chapter details the objectives of the work and presents the ... -
Investigation of novel photosensitisers for photodynamic cancer therapy
(Trinity College (Dublin, Ireland). School of Chemistry, 2013)Photodynamic therapy (PDT) has developed over last century and is now becoming a more widely used medical tool having gained regulatory approval for the treatment of various diseases such as cancer and macular degeneration. ... -
Design and characterization of functional interfaces for fundamental studies of nitro-polycyclic aromatic hydrocarbon chemistry
(Trinity College (Dublin, Ireland). School of Chemistry, 2014)Nitro-polycyclic hydrocarbons (nPAHs) are a class of highly mutagenic compounds whose reactions and fates in the atmosphere have a tremendous effect on atmospheric chemistry. In the troposphere, the photodegradation of ... -
Graphene : synthesis and applications
(Trinity College (Dublin, Ireland). School of Chemistry, 2012)Carbon is ubiquitous around us and has been studied extensively, yet it has never failed to surprise us. One of its isomers, graphene was discovered only recently and it was supposed not to exist in free form. Graphene is ... -
Magnetic nanoparticle-supported catalysts and novel organocatalysts for enantioselective synthesis
(Trinity College (Dublin, Ireland). School of Chemistry, 2013)A study concerning the immobihsation onto magnetic nanoparticles of two useful classes of chiral organocatalyst which rely on a confluence of weak, easily perturbed van der Waals and hydrogen bonding interactions to promote ... -
Hybrid organic-inorganic polyoxometalates : synthesis and characterisation of organoarsonate and organophosphonate functionalised polyoxovanadate clusters
(Trinity College (Dublin, Ireland). School of Chemistry, 2010)This thesis presents a significant contribution of research to the field of hybrid inorganic- organic polyoxometalates. Herein the functionalisation of polyoxovanadate clusters with aryl arsonates and aryl phosphonates is ... -
Carbon based nanomaterials application in dye sensitized solar cell
(Trinity College (Dublin, Ireland). School of Chemistry, 2014)Sunlight is the largest of all available carbon-neutral energy sources. Therefore, currently solar cell or photovoltaic cell based technologies, which can convert solar energy into electricity, are of extreme importance. ... -
The chemistry of beta-Sulfonylenamines
(Trinity College (Dublin, Ireland). School of Chemistry, 2008)Many reactions of alkenes and enamines with various different reagents have been studied in the past and numerous books dealing with the chemistry of these compounds have been published. This project aims to find out how ... -
An ultrafast IR study of cytosine-rich nucleic acids and a photophysical study of porphyrin-nucleic acid systems
(Trinity College (Dublin, Ireland). School of Chemistry, 2011)Work is presented in this thesis on two separate but complementary topics in the photochemistry of nucleic acids. Part one addresses the effect of direct UV excitation on the cytosine derivatives. Cytosine can form mutagenic ... -
ps-TRIR investigations of DNA systems and toward bimodal nanoparticles for biomedical applications
(Trinity College (Dublin, Ireland). School of Chemistry, 2009)The work described herein encompasses two distinct areas of chemistry. The first of these involved the time resolved study of ultrafast relaxation processes in DNA following UV excitation (chapters 1-5). The nature of the ...
