Browsing Articles - PRISM: Polymer, Recycling, Industrial, Sustainability and Manufacturing Institute by Author "Technological University of the Shannon: Midlands Midwest"
Now showing items 1-20 of 40
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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 ... -
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 ... -
Boosting bacterial nanocellullose production from chemically recycled post-consumer polyethylene terephthalate
Da Silva Pereira, Everton Henrique; Attallah, Olivia A.; Tas, Cuneyt Erdinc; Chee, Bor Shin; Freitas, Filomena; Lanzagorta Garcia, Eduardo; McAuliffe, Michael A.P.; Mojicevic, Marija; Batista, Maria N.; Reis, Maria A.M.; Brennan Fournet, Margaret (Elsevier, 2024-04)The circular economy is emerging with new sustainable solutions to the ever-growing plastic waste challenge, garnering increasing attention. In this study, the possibility to modify expensive Hestrin–Schramm medium (HS) for ... -
Chitosan-(poly)acrylic acid polyelectrolyte complexes: enhanced mucoadhesion and sustained drug release in vaginal tablets
Abidin, Ismin Zainol; Fehrenbach, Gustavo Waltzer; Gately, Noel (Elsevier, 2024-03-08)Polyelectrolyte complexes (PECs) have emerged as promising vehicles for medical applications, attributable to their non-toxicity, non-immunogenicity, and ability for controlled drug release. Notably, their inherent ... -
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 ... -
Comprehensive analysis and assessment of exposure to enteric viruses and bacteria in shellfish
Fehrenbach, Gustavo Waltzer; Murphy, Emma J.; Pogue, Robert; Carter, Frank (Elsevier, 2024-02-08)Shellfish species, including oysters, clams, and mussels, are extensively cultured in coastal waters. Its location is determined by factors such as nutrient availability, water temperature, tidal cycle, and the presence ... -
Design, development and in vitro quantification of novel electrosprayed everolimus-loaded Soluplus®/Polyvinyl alcohol nanoparticles via stability-indicating HPLC method in cancer therapy
Louis, Lynn; Chee, Bor Shin; McAfee, Marion; Nugent, Michael J.D. (Elsevier, 2023-09-14)Everolimus (RAD001) a mammalian target of rapamycin has been hampered by poor solubility, affecting its dissolution rate, a relationship that extends to low bioavailability. Nanoparticles (NP) based on Soluplus (SOL®) and ... -
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 ... -
A development of new material for 4D printing and the material properties comparison between the conventional and stereolithography polymerised NVCL hydrogels
Zhuo, Shuo; Geever, Luke M.; Halligan, Elaine; Tie, Billy Shu Hieng; Breheny, Colette (MDPI, 2022-11-22)The term 4D printing refers to the idea that the shape or properties of a printed object can be changed when an external stimulus is applied. In this contribution, a temperature-responsive polymer Poly (N-vinyl caprolactam) ... -
Diverted from landfill: reuse of single-use plastic packaging waste
O'Rourke, Kit; Wurzer, Christian; Murray, James; Doyle, Adrian; Doyle, Adrian; Doyle, Keith; Griffin, Chris; Christensen, Bern; Ó Brádaigh, Conchúir; Ray, Dipa (MDPI, 2022)Low-density polyethylene (LDPE) based packaging films mostly end up in landfill after single-use as they are not commonly recycled due to their flexible nature, low strength and low cost. Additionally, the necessity to ... -
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 ... -
Electrospun drug-loaded and gene-loaded nanofibres: the holy grail of glioblastoma therapy?
Louis, Lynn; Chee, Bor Shin; McAfee, Marion; Nugent, Michael J.D. (MDPI, 2023-06-03)To date, GBM remains highly resistant to therapies that have shown promising effects in other cancers. Therefore, the goal is to take down the shield that these tumours are using to protect themselves and proliferate ... -
Enhancement of scaffold in vivo biodegradability for bone regeneration using P28 peptide formulations
Azaman, Farah Alwani; Brennan Fournet, Margaret; Sheik Ab Hamid, Suzina; Zawawi, Muhamad Syahrul Fitri; Da Silva Junior, Valdemiro Amaro; Devine, Declan M. (MDPI, 2023-06-13)The field of bone tissue engineering has shown a great variety of bone graft substitute materials under development to date, with the aim to reconstruct new bone tissue while maintaining characteristics close to the ... -
Exploring microorganisms from plastic-polluted sites:unveiling plastic degradation and PHA production potential
Garza Herrera, Diana A.; Mojicevic, Marija; Pantelic, Brana; Joshi, Akanksha; Torres, Cristiana; Freitas, Filomena; Murray, Patrick; Nikodinovic-Runic, Jasmina; Brennan Fournet, Margaret (2023-12-03)The exposure of microorganisms to conventional plastics is a relatively recent occurrence, affording limited time for evolutionary adaptation. As part of the EU-funded project BioICEP, this study delves into the plastic ... -
Granule-based material extrusion is comparable to filament-based material extrusion in terms of mechanical performances of printed PLA parts: a comprehensive investigation
Liu, Handai; Gong, Ke; Portela, Alexandre; Cao, Zhi; Dunbar, Ronan; Chen, Yuanyuan (Elsevier, 2023-08-05)To implement a circular economic life for thermoplastic waste, such as polylactic acid (PLA) waste from filament-based material extrusion (FME) printing and reduce the costs associated with producing filaments for the FME ... -
Liquid-based 4D printing of shape memory nanocomposites: a review
Alsaadi, Mohamad; Hinchy, Eoin P.; McCarthy, Conor T.; Moritz, Vicente F.; Zhuo, Shuo; Fuenmayor, Evert; Devine, Declan M. (MDPI, 2023-01-31)Significant advances have been made in recent years in the materials development of liquidbased 4D printing. Nevertheless, employing additive materials such as nanoparticles for enhancing printability and shape memory ... -
Mass customization of polylactic acid (PLA) parts via a hybrid manufacturing process
Gong, Ke; Liu, Handai; Huang, Cheng; Jiang, Qinyu; Xu, Han; Cao, Zhi; Fuenmayor, Evert; Major, Ian (MDPI, 2022-12-10)Mass customization is the development of items tailored to specific customers, but produced at low unit cost in high-volume. In this context, hybrid manufacturing (HM) combines fused deposition modeling (FDM) and injection ... -
Micro-injection mouding of PEO/PCL blend-based matrices for extended oral delivery of Fenbendazole
Bezerra, Gilberto S.N.; Goetten de Lima, Gabriel Goetten; Colbert, Declan M.; Halligan, Elaine; Geever, Joseph (MDPI, 2023-03-10)Fenbendazole (FBZ) is a broad-spectrum anthelmintic administered orally to ruminants; nevertheless, its poor water solubility has been the main limitation to reaching satisfactory and sustained levels at the site of the ... -
Modification of hyaluronic acid to enable click chemistry photo-crosslinking of hydrogels with tailorable degradation profiles
Buckley, Ciara; Montgomery, Therese R.; Szank, Tomasz; Murray, Brian A.; Quigley, Cormac (Elsevier, 2023-06-15)Hyaluronic acid (HA) is a naturally occurring mucopolysaccharide that, due to its inherent bioactivity and extracellular matrix-like structure, has the potential to be utilised extensively in tissue engineering. However, ... -
Modulation of the lower critical solution temperature of thermoresponsive poly(N-vinylcaptrolactam) utlizing hydrophilic and hydrophobic monomers
Halligan, Elaine; Zhuo, Shuo; Colbert, Declan Mary; Alsaadi, Mohamad; Tie, Billy Shu Hieng; Bezerra, Gilberto S.N.; Keane, Gavin; Geever, Luke M. (MDPI, 2023-03-23)Four-dimensional printing is primarily based on the concept of 3D printing technology. However, it requires additional stimulus and stimulus-responsive materials. Poly-N-vinylcaprolactam is a temperature-sensitive polymer. ...