Browsing Articles - PRISM: Polymer, Recycling, Industrial, Sustainability and Manufacturing Institute by Author "Devine, Declan M."
Now showing items 1-20 of 55
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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 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 ... -
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 ... -
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 ... -
Designing sustainable polymer blends: tailoring mechanical properties and degradation behaviour in PHB/PLA/PCL blends in a seawater environment
Engler, Leonardo; Farias, Naiara C.; Crespo, Janaina S.; Gately, Noel M.; Major, Ian; Pezzoli, Romina; Devine, Declan M. (MDPI, 2023-06-29)Biodegradable polyesters are a popular choice for both packaging and medical device manufacture owing to their ability to break down into harmless components once they have completed their function. However, commonly used ... -
Effect of Chemical Treatments and HDPE-g-MA on the physical and mechanical behaviour of HDPE/ natural fibre composites.
Cao, Zhi; Peyregne, Marc; Daly, Michael; Mullen, Tom; Devine, Declan M.; Geever, Luke; Higginbotham, Clement L. (2013)Many authors have reported on the use of natural fibres (raw or chemically modified) as reinforcing elements for high density polyethylene (HDPE). These materials have generated a lot of interest due to their low cost ... -
Effect of mechanical recycling on the mechanical properties of PLA-based natural fiber-reinforced composites
Finnerty, James; Rowe, Steven; Howard, Trevor; Connolly, Shane; Doran, Christopher; Devine, Declan M.; Gatley, Noel M.; Chyzna, Vlasta; Portela, Alex; Bezerra, Gilberto S.N.; McDonald, Paul; Colbert, Declan Mary (MDPI, 2023-04-06)The present study investigates the feasibility of utilizing polylactic acid (PLA) and PLAbased natural fiber-reinforced composites (NFRCs) in mechanical recycling. A conical twin screw extrusion (CTSE) process was utilized ... -
Effect of unidirectional freezing using a thermal camera on polyvinyl (alchohol) for aligned porous cyrogels.
de Lima, Gabriel Goetten; Barbosa, Rêydila Rayenne Caminhas; de Andrade Santos, M.P.; Chee, Bor Shin; Esteves Magalhães, Washington Luiz Esteves; Devine, Declan M.; Nugent, Michael J.D. (Taylor & Francis Online, 2020-03-18)Unidirectional freeze casting for polymers and ceramics has been performed extensively; however, the mechanisms involved in unidirectional freezing are not thoroughly understood and therefore, in this study, polyvinyl ... -
Enhanced antimicrobial activity of biocompatible bacterial cellulose films via dual synergistic action of curcumin and triangular silver nanoplates
Lanzagorta Garcia, Eduardo; Mojicevic, Marija; Milivojevic, Dusan; Aleksic, Ivana; Vojnovic, Sandra; Stevanovic, Milena; Murray, James; Attallah, Olivia Adly; Devine, Declan M.; Brennan Fournet, Margaret (2022-10-13)Curcumin and triangular silver nanoplates (TSNP)-incorporated bacterial cellulose (BC) films present an ideal antimicrobial material for biomedical applications as they afford a complete set of requirements, including a ...