Browsing Technological University of the Shannon: Midlands Midwest by Author "Devine, Declan M."
Now showing items 1-20 of 75
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3D printed end of arm tooling (EOAT) for robotic automation.
Jing, Daniel Ong U.; Devine, Declan M.; Lyons, John G. (MDPI, 2018-09)This research furthers the practice of designing and manufacturing End of Arm Tooling (EOAT) by utilizing a low cost additive manufacturing Fused Filament Fabrication (FFF) technique to enable tool weight saving and ... -
3D printed polymers are less stable than injection moulded counterparts when exposed to terminal sterilization processes using novel vaporized hydrogen peroxide and electron beam processes.
Chen, Yuanyuan; Neff, Martin; McEvoy, Brian; Cao, Zhi; Pezzoli, Romina; Murphy, Alan; Gately, Noel; Hopkins Jnr, Michael; Rowan, Neil J.; Devine, Declan M. (Elsevier, 2019-11-21)There is an increasing trend for use of 3D printing processes in healthcare due in part to emergence of customised medical devices and associated low manufacturing cost. However, there is a dearth of knowledge on the ... -
3D printing of photocurable resin reinforced by functionalised graphene nanoplatelets
Alsaadi, Mohamad; Hinchy, Eoin P.; McCarthy, Conor T.; Moritz, Vicente E.; Portela, Alexandre; Devine, Declan M. (MDPI, 2023-05-05)The influence of functionalised graphene nanoplatelets with melamine on the thermal and mechanical properties of a 3D-printed photopolymerisable resin is investigated. In this work, a liquid-based 3D printer and stereolithography ... -
Alfa fiber/polypropylene composites: Influence of fiber extraction method and chemical treatments.
Labidi, Khaled; Cao, Zhi; Murphy, Alan; Hamzaoui, Ahmed Hichem; Devine, Declan M. (Wiley, 2019-01)Alfa fiber/polypropylene composites were manufactured using twin-screw extrusion. Fibers were extracted following alkaline and steam explosion methods. Three chemical treatments were also applied to alkaline extracted ... -
Analysis of the mechanical properties of solvent cast blends of PLA/PCL.
Chen, Yuanyuan; Geever, Luke M.; Higginbotham, Clement L.; Devine, Declan M. (Trans Tech Publications, 2014-09)Polylactic acid (PLA) is the most promising material in the biodegradable category. However, brittleness and poor thermal stability restrict its application. To overcome this limitation, PLA may be blended with other ... -
Antimicrobial active bioplastics using triangular silver nano-plate integrated polycaprolactone and polylactic acid films
Lanzagorta Garcia, Eduardo; Attaliah, Olivia A.; Mojicevic, Marija; Devine, Declan M.; Fournet, Margaret Brennan (MDPI, 2021-02-28)An innovative antimicrobial technology for plastic surfaces is presented. We report the synthesis and scale-up of triangular silver nano-plates (TSNPs) and their integration into polycaprolactone (PCL) and polylactic ... -
Antimicrobial films containing green synthesised zinc oxide nanoparticles for biomedical applications
Bandeira, Marina; Roesch-Ely, Mariana; da S. Crespo, Janaina; Devine, Declan M. (Athlone Institute of Technology, 2020-06)Synthetic biomaterials have been vastly investigated for different biomedical applications such as wound healing adhesives, implant devices and drug delivery systems. The effort on this field of study promoted the ... -
Antimicrobial PAA/PAH electrospun fiber containing green synthesized zinc oxide nanoparticles for wound healing
Bandeira, Marina; Chee, Bor Shin; Frassini, Rafaele; Nugent, Michael; Giovanela, Marcelo; Roesch-Ely, Mariana; da Silva Crespo, Janaina; Devine, Declan M. (MDPI, 2021-05-27)Wound infections are the main complication when treating skin wounds. This work reports a novel antimicrobial material using green synthesized zinc oxide nanoparticles (ZnONPs) incorporated in polymeric fibers for wound ... -
Bioactive composites fabricated by freezing-thawing method for bone regeneration applications.
Canillas, Maria; de Lima, Gabriel Goetten; Rodríguez, Miguel A.; Nugent, Michael J.D.; Devine, Declan M. (Wiley, 2016-04)Hydrogels are widely used for controlled delivery of therapeutic agents. However, hydrogels lack bioactivity to encourage bone formation and mechanical integrity. Moreover, chemically crosslinked hydrogels exhibit cytotoxic ... -
Biodegradable medical implants
Chen, Yuanyuan; de Sá, Marcelo Jorge Cavalcanti; Dalton, Maurice; Devine, Declan M. (De Gruyter, 2019) -
Biodegradation and antimicrobial properties of zinc oxide-polymer composite materials for urinary stent applications
Venkatesh, Chaitra; Laurenti, Marco; Bandeira, Marina; Lanzagorta, Eduardo; Lucherini, Lorenzo; Cauda, Valentina; Devine, Declan M. (MDPI, 2020-10-20)Research advancements in the field of urinary stents have mainly been in the selection of materials and coatings to address commonly faced problems of encrustation and bacterial adhesion. In this study, polylactic acid ... -
Bone tissue engineering scaffold optimisation through modification of Chitosan/ceramic composition
Zhou, Keran; Azaman, Farah Alwani; Cao, Zhi; Brennan Fournet, Margaret; Devine, Declan M. (MDPI, 2023-06-01)A large bone defect is defined as a defect that exceeds the regenerative capacity of the bone. Nowadays, autologous bone grafting is still the gold standard treatment. In this study, a hybrid bone tissue engineering scaffold ... -
Characteristics of the treated calcium carbonate particles with stearic acid using different treating methods.
Cao, Zhi; Daly, Michael; Clémence, Lopez; Major, Ian; Higginbotham, Clement L.; Devine, Declan M. (Elsevier, 2016-08)Calcium carbonate (CaCO3) is often treated with stearic acid (SA) to decrease its polarity. However, the method of application of the SA treatments has a strong influence on their interface structure and distribution. ... -
Chitosan/hydroxyapatite scaffolds with P28 as a promising osteoinductive scaffold for bone healing applications
Azaman, Farah Alwani; Daubiné, Florence; Lebatard, Amélie; Brennan Fournet, Margaret; Devine, Declan M. (MDPI, 2023-01-31)Despite bone’s inherent ability to heal, large bone defects remain a major clinical concern. This study proposes an off-the-shelf treatment combining chitosan/hydroxyapatite (CS/HAp) scaf folds, covalently linked with ... -
Comparison of fused-filament fabrication to direct compression and injection molding in the manufacture of oral tablets.
Fuenmayor, Evert; Forde, Martin; Healy, Andrew V.; Devine, Declan M.; Lyons, John G.; McConville, Christopher; Major, Ian (Elsevier, 2019-03-10)Oral tablets are a convenient form to deliver active pharmaceutical ingredients (API) and have a high level of acceptance from clinicians and patients. There is a wide range of excipients available for the fabrication of ... -
Composite cryogels for dual drug delivery and enhanced mechanical properties.
de Lima, Gabriel Goetten; Traon, Fanny; Moal, Eloan; Canillas, Maria; Dunne, Nicholas; Devine, Declan M.; Nugent, Michael D. (Wiley, 2018-04)In this study, we present a simple and effective process that integrates hydrogels with drugs + ceramics via physical crosslinks resulting in improved mechanical properties. These cryogels have the potential for controlled ... -
Deep Eutectic solvents and green reagent based process for polyethylene terephthalate depolymerisation
Azeem, Muhammad (Technological University of the Shannon: Midlands Midwest, 2023-09)Polyethylene terephthalate (PET) is a ubiquitous thermoplastic polymer which has numerous industrial applications including textile, construction, and packaging applications due to its versatile nature, transparency, ... -
Degradable nanocomposites for fused filament fabrication applications.
Healy, Andrew V.; Waldron, Cathal; Geever, Luke M.; Devine, Declan M.; Lyons, John G. (MDPI, 2018-05-09)There has been a substantial increase in the use and development of plastics over the last century. However, due to ever-diminishing petroleum feedstocks and growing concern for the environment, there has been a rise in ... -
Degradable polymer nanocomposites for fused filament fabrication applications
Healy, Andrew V.; Geever, Luke M.; Devine, Declan M.; Lyons, John G. (Athlone Institute of Technology, 2018-04-24)The use of plastics in everyday life has increased dramatically during the course of the 20th and 21st century which is primarily due to the characteristics plastics offer in the development of new products to meet the ... -
The design, development, and testing of novel next generation in vitro agar-based urethral models for medical device innovation
Cortese, Yvonne J. (Technological University of the Shannon: Midlands Midwest, 2022-04)Catheters are one of the most utilised medical devices in modern medicine with catheter associated urinary tract infections (CAUTI) being ubiquitous in worldwide healthcare settings. These infections negatively affect ...