Browsing Pharmacy and Pharmaceutical Sciences (Theses and Dissertations) by Date of Publication
Now showing items 21-40 of 152
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Polyamines and polyamine antagonists in cerebral ischaemia
(Trinity College (Dublin, Ireland). School of Pharmacy & Pharmaceutical Sciences, 2005)Polyamines are ubiquitous components of all eukaryotic cells and are found in brain tissue. A number of studies have shown that changes in the levels of polyamines occur following cerebral ischaemia. However, whether ... -
Investigations of physicochemical properties of spray dried drug-excipient composites directed to inhalable products
(Trinity College (Dublin, Ireland). School of Pharmacy & Pharmaceutical Sciences, 2005)The studies in this thesis explored the solid state and inhalation properties of various systems produced by the spray drying technique. The work focused on the feasibility analysis of spray drying as a means of producing ... -
An investigation into the behavioural effects of polyamines, polyamine antagonsits and novel compounds in vivo
(Trinity College (Dublin, Ireland). School of Pharmacy & Pharmaceutical Sciences, 2007)The polyamines, putrescine, spermidine and spermine are ubiquitous compounents of eukaryotric cells in nature and are found in high concentrations in brain tissue. Polyamines have been implicated in cell growth, differentiation ... -
Use of computational fluid dynamics to investigate the relationship between hydrodynamics and rates of dissolution
(Trinity College (Dublin, Ireland). School of Pharmacy & Pharmaceutical Sciences, 2007)The hydrodynamics within the paddle (900 ml), basket (900 ml) and Levy beaker (350 ml and 550 ml) (Levy et al., 1965) dissolution apparatuses were simulated using the computational fluid dynamics (CFD) package, Fluent™. ... -
An investigation into the effects of current immunosuppressants and novel compounds on animal models of asthma and delayed type hypersensitivity
(Trinity College (Dublin, Ireland). School of Pharmacy & Pharmaceutical Sciences, 2007)Asthma is a disease with a worldwide distribution and of increasing prevalence. There are two forms of the disease; intrinsic, which is believed to follow a Th1 cytokine profile and extrinsic, which follows a Th2 response. ... -
Design, synthesis and evaluation of novel tumour vasculature-targeting agents
(Trinity College (Dublin, Ireland). School of Pharmacy & Pharmaceutical Sciences, 2007)This thesis is introduced with a review of the 'Hallmarks of Cancer', outlining each one as a potential target for drug therapy. Vascular targeting as a means of cancer growth retardation is specifically discussed. The ... -
A pharmacokinetic and clinical evaluation of antimicrobial drugs in critically ill patients during Continuous Venovenous Haemodifiltration (CVVHDF) therapy
(Trinity College (Dublin, Ireland). School of Pharmacy & Pharmaceutical Sciences, 2007)Critically ill patients are at risk from sepsis requiring antimicrobial therapy and acute renal failure, which may require extracorporeal renal replacement therapy. The objective of this study was to quantify and assess ... -
The synthesis and biological evaluation of a novel class of butyrylcholinesterase inhibitors using isosorbide as a building block
(Trinity College (Dublin, Ireland). School of Pharmacy & Pharmaceutical Sciences, 2007)The aim of this project was to synthesise and optimise a novel class of cholinesterase inhibitors using the simple sugar, isosorbide, as a building block and to assess the inhibitory activity of these compounds in vitro. ... -
Synthesis, characterisation and drug release from a range of novel smart co-biodegrable delivery systems
(Trinity College (Dublin, Ireland). School of Pharmacy & Pharmaceutical Sciences, 2008)In recent years many biodegradable polymers have been investigated particularly for controlled delivery of drugs or proteins/peptides. The most commonly studied biodegradable polymers for controlled drug delivery are based ... -
The design, synthesis and biological effects of novel steroid prodrugs for treatment of gastrointestinal diseases
(Trinity College (Dublin, Ireland). School of Pharmacy & Pharmaceutical Sciences, 2008)The aim of the work described in this thesis was to synthesize and test the biological effects of a novel type of prodrug to deliver steroids to the colon for the treatment of gastrointestinal diseases. Glucocorticoids are ... -
Endothelium as a target in the design of novel tumour antiangiogenic / vasculature-targeting agents
(Trinity College (Dublin, Ireland). School of Pharmacy & Pharmaceutical Sciences, 2008)This thesis begins with a review of tumour growth and development, with a particular focus on angiogenesis. The numerous mechanisms which regulate the process are touched upon, with current and fiiture antiangiogenic agents ... -
The production and characterisation of spray dried nanoporous microparticles (NPMPs) intended for dry powder inhalation drug delivery systems
(Trinity College (Dublin, Ireland). School of Pharmacy & Pharmaceutical Sciences, 2008)The focus of the research presented in this thesis was on the potential application of a novel spray drying method to produce excipient-free nanoporous microparticles (NPMPs) of bioactive drug compounds and co-spray dried ... -
Investigations of a spray-drying method for producing nanoporous / nano-particulate microparticles (NPMPs) of proteins and protein-excipient composites
(Trinity College (Dublin, Ireland). School of Pharmacy & Pharmaceutical Sciences, 2009)The research, presented in this thesis, concerns the application of a spray-drying method to produce nanoporous/nano-particulate microparticles (NPMPs) of proteins, stabilising excipients and composites. The proposed method, ... -
RBL-2H3 and primary mast cells and their use in screening novel anti-inflammatory compounds
(Trinity College (Dublin, Ireland). School of Pharmacy & Pharmaceutical Sciences, 2009)Mast cells (MC) have been mainly studied as key effectors in allergic diseases and inflammatory conditions such hypersensitivity reactions, asthma, atopic dermatitis and multiple sclerosis. Following the crosslinkage of ... -
Kinetic and structural studies of novel isosorbide-based ligand binding to esterase enzymes
(Trinity College (Dublin, Ireland). School of Pharmacy & Pharmaceutical Sciences, 2009)The main goal of the project described herein was to examine and rationalise the binding of a novel class of compound based on isosorbide to cholinesterase enzymes. The compounds of interest had been prepared within the ... -
An investigation of the potential anti-inflammatory properties of novel compounds with respect to LFA-1 mediated T cell motility and cytotoxicity profiling
(Trinity College (Dublin, Ireland). School of Pharmacy & Pharmaceutical Sciences, 2009)The aim of this thesis was to investigate the effects in vitro of novel compounds on LFA-1 mediated T cell motility, and, to develop a profile of the compounds with respect to cytotoxicity and apoptosis. The compounds ... -
Formulation, production and biointeraction of micro and nano particulates with potential for use in drug delivery
(Trinity College (Dublin, Ireland). School of Pharmacy & Pharmaceutical Sciences, 2009)The current study involved the preparation of a range of micro and nano particulates from known biocompatible pharmaceutical polymeric excipients: PLGA, chitosan and hyaluronic acid, using physical rather than chemical ... -
Production and characterisation of spray dried particulate systems for pulmonary drug delivery
(Trinity College (Dublin, Ireland). School of Pharmacy & Pharmaceutical Sciences, 2009)The work presented in this thesis concerns the application of a particle engineering technology, one-step spray drying method, to produce porous particles of antitubercular drugs, suitable for inhalation and to study the ... -
The pharmacological effects of novel isosorbide-based butyrylcholinesterase inhibitors
(Trinity College (Dublin, Ireland). School of Pharmacy & Pharmaceutical Sciences, 2009)This study sought to determine the pharmacological effects of novel isosorbide-based butyrylcholinesterase inhibitors (BuChEl’s) in vitro and in vivo. The potency of the novel compounds 2-benzylcarbamate 5-nicotinate ... -
A novel method for the measurement of flow-induced platelet activation at nanoscale resolution level
(Trinity College (Dublin, Ireland). School of Pharmacy & Pharmaceutical Sciences, 2009)Background: Platelet aggregation Is essential for vascular haemostasis and thrombosis. Inhibition of platelet aggregation underpins the pharmacological and clinical effects of antiplatelet drugs. These effects are commonly ...