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Now showing items 21-40 of 327

Block copolymer mediated stabilization of sub-5 nm superparamagnetic nickel nanoparticles in an aqueous medium.

Bala, Tanushree; Gunning, Robert D.; Vankatesan, Munuswamy; Godsell, Jeffrey F.; Saibal, Roy; Ryan, Kevin M. (IOP Science, 2009)

The paper presents a facile method for decreasing the size of water dispersible Ni nanoparticles from 30 nm to 3 nm by the incorporation of a passivating surfactant combination of pluronic triblock copolymer and oleic acid ...
BOJCAS: Bolted joints in composite aircraft structures

McCarthy, Michael A. (University of Limerick, 2003)

The objective of BOJCAS was to develop advanced design methods for bolted joints in composite aircraft structures. This is a critical technology supporting the introduction of composites into the primary structure of ...
Brain lateralization in mice is associated with zinc signaling and altered in prenatal zinc deficient mice that display features of autism spectrum disorder

Grabrucker, Stefanie; Haderspeck, Jasmin C.; Sauer, Ann Katrin; Kittelberger, Nadine; Asoglu, Harun; Abaei, Alireza; Rasche, Volker; Schon, Michael; Boeckers, Tobias M.; Grabrucker, Andreas M. (Frontiers Media, 2018)

A number of studies have reported changes in the hemispheric dominance in autism spectrum disorder (ASD) patients on functional, biochemical, and morphological level. Since asymmetry of the brain is also found in many ...
Breakdown of biodegradable polymers the breakdown of poly(D,L lactideco-glycolide polymers in agitated and stagnant environments

Serrano-Sanguinetti, Nancy (University of Limerick, 2000)

Poly( d,l lactide-co-glycolide) copolymers are used extensively in biomedical implants due to their outstanding biocompatibility, bioresorbability and the fact that wide ranges of physical, thermal, mechanical and ...
Brevundimonas spp: Emerging global opportunistic pathogens

Ryan, Michael P.; Pembroke, Tony J. (Taylor and Francis, 2018)

Non-fermenting Gram-negative bacteria are problematic in clinical locations, being one of the mostprevalent causes of nosocomial infections. Many of these non-fermenting Gram-negative bacteriaare opportunistic pathogens ...
Buckling analysis of variable angle tow composite plates with a through-the-width or an embedded rectangular delamination

Chen, Xiaodong; Wu, Zhangming; Nie, Guojun; Weaver, Paul M. (Elsevier, 2018)

Variable angle tow (VAT) composite laminates, in which fibre orientation varies spatially in-plane in a continuous fashion yet is piecewise constant through-thickness, have been made possible by advanced automated fibre ...
Capturing the embryonic stages of self-assembly - design rules for molecular computation

Nirmalraj, Peter N.; Thompson, Damien; Riel, Heike E. (Nature Publishing Group, 2015)

The drive towards organic computing is gaining momentum. Interestingly, the building blocks for such architectures is based on molecular ensembles extending from nucleic acids to synthetic molecules. Advancement in this ...
The catalytic hydrogenation of furfural to furfuryl alcohol

O'Driscoll, Áine (University of Limerick, 2016)

The production of energy and chemicals from renewable resources has gained significant attention as the global effort and legislated requirements to transition from fossil fuels to biofuels intensifies. The synthesis of ...
Cell-seeded decellularised extracellular matrices as an advanced approach for tissue engineering

Piterina, Anna Valentinova; Davis, Laura M.; Meaney, Claire L.; Cloonan, Aidan J.; Walsh, Michael T.; McGloughlin, Timothy M. (2009)

Development and optimisation of therapeutic applications using biological scaffolds composed of naturally occurring extracellular matrix (ECM) have received significant attention in the field of tissue engineering. ...
Centimetre scale assembly of vertically aligned and close packed semiconductor nanorods from solution.

Ahmed, Shafaat; Ryan, Kevin M. (Royal Society of Chemistry, 2009)

Assembly of CdS nanorods (8 × 100 nm) into vertically aligned arrays over very large areas on a substrate either as a monolyaer or severaly multilayers is shown by electrophoresis.
Characterisation of human urethral rupture thresholds for urinary catheter inflation related injuries

Davis, Niall Francis; Cunnane, Eoghan M.; Mooney, Rory; Hess, J.; Walsh, Michael T. (Elsevier, 2018)

Data on urethral catheter related injuries is sparse. In this study we aimed to characterise urethral diametric strain and urinary catheter inflation pressure thresholds that precede human urethral trauma during urethral ...
Characterising human atherosclerotic carotid plaque tissue composition and morphology using combined spectroscopic and imaging modalities

Barrett, Hilary E; Mulvihill, John J.; Cunnane, Eoghan M.; Walsh, Michael T. (BioMed Central, 2015)

Calcification is a marked pathological component in carotid artery plaque. Studies have suggested that calcification may induce regions of high stress concentrations therefore increasing the potential for rupture. However, ...
Characterization of nanoporous gold electrodes for bioelectrochemical applications

Scanlon, Micheál D; Salaj-Kośla, Urszula; Belochapkine, Serguei; MacAodha, Domhnall; Leech, Dónal; Ding, Yi; Magner, Edmond (American Chemical Society, 2012)

The high surface areas of nanostructured electrodes can provide for significantly enhanced surface loadings of electroactive materials. The fabrication and characterization of nanoporous gold (np-Au) substrates as electrodes ...
Clinical evaluation of a safety-device to prevent urinary catheter inflation related injuries

Davis, Niall Francis; Cunnane, Eoghan M.; Mooney, Rory; Forde, James C.; Walsh, Michael T. (Elsevier, 2018)

OBJECTIVE: To evaluate the feasibility of a novel “safety-valve” device for preventing catheter related urethral trauma during urethral catheterization (UC). To assess the opinions of clinicians on the performance of the ...
Clinical risk factors for osteoporosis in Ireland and the UK: a comparison of FRAX and QFracturescores

Cummins, Niamh M.; Poku, E.K.; Towler, M.R.; O'Driscoll, Olive M.; Ralston, S.R. (Springer-Verlag, 2011)

Introduction: Recently two algorithms have become available to estimate the 10-year probability of fracture in patients suspected to have osteoporosis on the basis of clinical risk factors (CRF); the FRAX algorithm and ...
Cocrystals help break the "rules" of isostructurality: solid solutions and polymorphism in the malic/tartaric acid system

Cruz-Cabeza, Aurora J.; Lestari, Monica; Lusi, Matteo (American Chemical Society, 2017)

Crystalline solid solutions have the potential to afford tunable materials for pharmaceutical and technological applications. Unfortunately, these poorly understood phases are difficult to obtain and, hence, to study. In ...
Cold compression residual stress reduction in aluminum alloy 7010

Tanner, David A; Robinson, J.S; Cudd, Richard L (Trans Tech Publications, 2000)

7010 is one of the high strength aluminium alloys used mainly as plate and forgings in the aerospace industry. Its high strength is achieved through a quenching operation where the material is rapidly cooled from the ...
Colloidal synthesis of multinary metal chalcogenide nanocrystals with composition, shape and crystal phase control

Singh, Shalini (University of Limerick, 2015)

This thesis describes novel colloidal approaches towards the synthesis of multicomponent semiconductor nanocrystals with tight control over morphology, composition and crystal phase. The thorough study of the complexity ...
Colloidal synthesis of wurtzite Cu2ZnSnS4 nanorods and their perpendicular assembly

Singh, Ajay; Geaney, Hugh; Laffir, Fathima R.; Ryan, Kevin M. (American Chemical Society, 2012)

The quaternary copper chalcogenide, Cu2ZnSnS4, is an important emerging material for the development of low cost and sustainable solar cells. Here we report a facile solution synthesis of stoichiometric Cu2ZnSnS4 in size ...
A comparative assessment of irrigation and drainage characteristics for commercially available urethral catheters

Abdelrahman, Mamoun; Davis, Niall Francis; McMahon, Barry P.; Walsh, Michael T.; McDermott, Thomas E.D.; Thornhill, John A.; Manecksha, Rustom P. (Polskie Towarzystwo Urologiczne, 2017)

Introduction We aimed to investigate irrigation and drainage characteristics of commercially available urethral catheters and determined which catheter offers the best flow characteristics. Material and methods Twelve ...

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