Browsing Articles - PRISM: Polymer, Recycling, Industrial, Sustainability and Manufacturing Institute by Author "Athlone Institute of Technology"
Now showing items 1-20 of 21
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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 ... -
Application of biomaterials for complex anal fistulae
Fitzpatrick, Daniel P.; Kealey, Carmel; Brady, Damien; Gately, Noel (Taylor & Francis, 2021-11-07)Complex anal fistulae remain a challenge for the medical sector as conventional treatments put patients at risk of incontinence. Clinicians and researchers have become interested in the application of bioresorbable ... -
A bilayer vaginal tablet for the localized delivery of disulfiram and 5-fluorouracil to the cervix
Abidin, Ismin Zainol; Rezoagli, Emanuele; Simonassi-Paiva, Bianca; Fehrenbach, Gustavo Waltzer; Masterson, Kevin; Pogue, Robert; Cao, Zhi; Rowan, Neil; Murphy, Emma J.; Major, Ian (MDPI, 2020-12-06)This study was performed to develop an adjuvant therapy in the form of a self-administered vaginal tablet regimen for the localized delivery of chemotherapeutic drugs. This therapy will help to reduce relapse by eradicating ... -
Composite films of thermoplastic starch and CaC12 extracted from eggshells for extendiing food shelf-life
Araujo, Jeovan A.; Cortese, Yvonne J.; Mojicevic, Marija; Fournet, Margaret Brennan; Chen, Yuanyuan (MDPI, 2021-09-03)Calcium chloride (CaCl2) has been widely used to maintain the quality of fresh-cut fruits and vegetables because it stabilizes and strengthens the membrane system against fungal attacks. It is mainly applied via spray ... -
Development, characterization and cell viability inhibition of PVA spheres loaded with Doxorubicin and 4′-Amino-1-Naphthyl-Chalcone (D14) for osteosarcoma
Seba, Viviane; de Lima, Gabriel Goetten; Periera, Bruno Leandro; Silva, Gabriel; Reinhardt, Luiza Steffens; Arantes, Pablo Ricardo; Shee, Bor Shin; dos Santos, Maria Bastos; França, Suzelei C.; Regasini, Luis Octavio; Fachin, Ana Lúcia; Cao, Zhi; Nugent, Michael J.D.; Marins, Mozart (MDPI, 2021-08-06)Chalcones (1,3-diaryl-2-propen-1-ones) are naturally occurring polyphenols with known anticancer activity against a variety of tumor cell lines, including osteosarcoma (OS). In this paper, we present the preparation and ... -
Digital twin: origin to future
Singh, Maulshree; Fuenmayor, Evert; Hinchy, Eoin P.; Qiao, Yuansong; Murray, Niall (MDPI, 2021-05-24)Digital Twin (DT) refers to the virtual copy or model of any physical entity (physical twin) both of which are interconnected via exchange of data in real time. Conceptually, a DT mimics the state of its physical twin ... -
Effect of thermal annealing on a bilayer polyvinyl alcohol/polyacrylic acid electrospun hydrogel nanofibres loaded with doxorubicin and clarithromycin for a synergism effect against osteosarcoma cells
Chee, Bor Shin; de Lima, Gabriel Goetten; de Lima, T.A.M.; Seba, Viviane; Lemarquis, C.; Pereira, Bruno Leandro; Bandeira, Marina; Cao, Zhi; Nugent, Michael J.D. (Elsevier, 2021-08-02)Polyvinyl alcohol/polyacrylic acid (PVA/PAA) bilayer hydrogel nanofibres were successfully fabricated by electrospinning and physically crosslinked via heat treatment. The effects of the thermal annealing process on the ... -
Evaluation of titanium nitride coatings in bandsaw blades for wood splitting by cold plasma
Lima, Tieldy A.M.; de Lima, Gabriel G.; da Costa, Larissa Nunes; Nugent, Michael J.D.; Magalhães, Washington L.E.; Kuromoto, Neide K. (Taylor & Francis, 2021-11-06)Due to the advances in surface treatments, it is possible to obtain excellent cutting tools. However, the field for wood cutting tools still needs to be further investigated. In this work, titanium nitride was deposited ... -
Influence of extrusion screw speed on the properties of halloysite nanotube impregnated polylactic acid nanocomposites
Venkatesh, Chaitra; Chen, Yuanyuan; Cao, Zhi; Brennan, Shnae; Major, Ian; Lyons, John G.; Devine, Declan M. (De Gruyter, 2021)Poly (lactic acid)/halloysite nanotube (PLA/HNT) nanocomposites have been studiedextensively over the past fewyears owing to the interesting properties of the polymer, PLA, and the nanoclay, HNT, individually and as ... -
Macro and micro routes to high performance bioplastics: bioplastic biodegradability and mechanical and barrier properties
Attallah, Olivia A.; Mojicevic, Marija; Garcia, Eduardo Lanzagorta; Azeem, Muhammad; Chen, Yuanyuan; Asmawi, Shumayl; Fournet, Margaret Brennan (MDPI, 2021-06-30): On a score sheet for plastics, bioplastics have a medium score for combined mechanical performance and a high score for biodegradability with respect to counterpart petroleum-based plastics. Analysis quickly confirms ... -
Microfibrillated cellulose films containing chitosan and tannic acid for wound healing applications
Alibadi, Meysam; Chee, Bor Shin; Matos, Mailson; Cortese, Yvonne J.; Nugent, Michael J.D.; de Lima, Tieilidy A. M.; Magalhães, Washingtonn L.E.; de Lima, Gabriel Goetten; Firouzabadi, Mohammadreza Dehghani (Springer, 2021-06-12)The effectiveness of tannic acid as antimicrobial and wound healing for burns have been shown for a century; however, uncontrolled target dosage may result in undesirable side-effects. Remarkably, tannic acid polyphenols ... -
On the possibility of replacement of calcium carbonate by a high-performance, economically viable filler in polyethylene composites
Hesabi, Mohammadnabi; Brennan, Shane; Boulard, Quentin; Le Blanc, Francois; Major, Ian (Sage, 2021-07-14)Calcium carbonate (CaCO3) is frequently added to polyethylene (PE) as a filler to reduce costs. An alternative to CaCO3, calcium fluoride (CaF2) was proposed in this research. PE/CaCO3 and PE/CaF2 composites in a wide ... -
Production of polyhydroxybutyrate (PHB) and factors impacting its chemical and mechanical characteristics
McAdam, Blaithín; Fournet, Margaret Brennan; McDonald, Paul; Mojicevic, Marija (MDPI, 2020-12-04)Plastic pollution is fueling the grave environmental threats currently facing humans, the animal kingdom, and the planet. The pursuit of renewable resourced biodegradable materials commenced in the 1970s with the need for ... -
Progressing plastics circularity: a review of mechano-biocatalytic approaches for waste plastic (re)valorization
Nikolaivits, Efstratios; Pantelic, Brana; Azeem, Muhammad; Taxeudis, George; Babu, Ramesh; Topakas, Evangelos; Brennan Fournet, Margaret; Nikodinovic-Runic, Jasmina (Frontiers Media, 2021-06-22)Inspirational concepts, and the transfer of analogs from natural biology to science and engineering, has produced many excellent technologies to date, spanning vaccines to modern architectural feats. This review highlights ... -
Scratch-resistant and well-adhered nanotube arrays produced via anodizing process on β-titanium alloy
Pereira, Bruno Leandro; Beilner, Gregory; Lepienski, Carlos Mauricio; de Souza, Gelson Biscaia; Kuromoto, Neide Kazue; Szameitat, Erico Saito; Peng, Ambrose Ngu See; Lee, Jia Yee; Claro, Ana Paula Rosifini Alves; Nugent, Michael J.D. (Elsevier, 2021-03)Well-adhered nanotube arrays were produced through the anodizing technique on a Ti-25Nb-25Ta alloy and tribo-mechanically evaluated by nanoindentation and nanoscratch tests. Disregarding substrate effects, the hardness of ... -
Ti-25Nb-25Ta alloy treated by plasma electrolytic oxidation in phosphoric acid for implant applications
Beilner, Gregory; Pereira, Bruno Leandro; Lepienski, Carlos Mauricio; de Souza, Gelson Biscaia; da Luz, Aline Rosseto; Szameitat, Erico Saito; Kuromoto, Neide Kazue; Claro, Ana Paula Rosifini Alves; Sampaio, Viviane Seba; Chee, Bor Shin; Nugent, Michael J.D. (Rede Latino-Americana de Materiais, 2021)Among titanium alloys with non-toxic elements, the Ti-25Nb-25Ta alloy has good elastic behavior for applications in osseous implants, biocompatibility, and excellent corrosion resistance. The present study aimed to better ... -
Transfer and optimisation of injection moulding manufacture of medical devices using scientific moulding principles
Fitzgerald, Aimee; McDonald, Paul; Devine, Declan; Fuenmayor, Evert (MDPI, 2021-10-25)Scientific moulding, also known as decoupled injection moulding, is a production methodology used to develop and determine robust moulding processes resilient to fluctuations caused by variation in temperature and viscosity. ... -
Treatment for the amelioration of persistent factors in complex anal fistula
Fitzpatrick, Daniel P.; Kealey, Carmel; Brady, Damien; Goodman, Martin; Gately, Noel (Springer, 2021-11-19)Anal fistulae are abnormal hollow connections between the wall of the anal canal and the perianal skin around the anus that have remained a burden on the medical sector for centuries. The complexity of this disease is ... -
Upcycling biodegradable PVA/starch film to a bacterial biopigment and biopolymer
Pantelic, Brana; Ponjavic, Marijana; Jankovic, Vukasin; Aleksic, Ivana; Stevanovic, Sanja; Murray, James; Brennan Fournet, Margaret (MDPI, 2021-10-27)Meeting the challenge of circularity for plastics requires amenability to repurposing post-use, as equivalent or upcycled products. In a compelling advancement, complete circularity for a biodegradable polyvinyl ...