Articles - PRISM: Polymer, Recycling, Industrial, Sustainability and Manufacturing Institute: Recent submissions
Now showing items 81-100 of 186
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Composite films of thermoplastic starch and CaC12 extracted from eggshells for extendiing food shelf-life
(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 ... -
Progressing plastics circularity: a review of mechano-biocatalytic approaches for waste plastic (re)valorization
(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 ... -
Macro and micro routes to high performance bioplastics: bioplastic biodegradability and mechanical and barrier properties
(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 ... -
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
(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 ... -
Development, characterization and cell viability inhibition of PVA spheres loaded with Doxorubicin and 4′-Amino-1-Naphthyl-Chalcone (D14) for osteosarcoma
(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 ... -
Antimicrobial PAA/PAH electrospun fiber containing green synthesized zinc oxide nanoparticles for wound healing
(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 ... -
Microfibrillated cellulose films containing chitosan and tannic acid for wound healing applications
(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 ... -
Digital twin: origin to future
(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 ... -
Influence of extrusion screw speed on the properties of halloysite nanotube impregnated polylactic acid nanocomposites
(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 ... -
Antimicrobial active bioplastics using triangular silver nano-plate integrated polycaprolactone and polylactic acid films
(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 ... -
Ti-25Nb-25Ta alloy treated by plasma electrolytic oxidation in phosphoric acid for implant applications
(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 ... -
Scratch-resistant and well-adhered nanotube arrays produced via anodizing process on β-titanium alloy
(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 ... -
Titanium-Niobium (Ti-xNb) alloys with high Nb amounts for applications in biomaterials
(Scielo, 2020-11-10)The present study produced binary titanium-niobium alloys Ti-xNb with high niobium percentage (x = 50, 80 e 90 wt.%) aiming to apply it as a base material in osseous implant devices. The produced TiNb alloys presented a ... -
Production of polyhydroxybutyrate (PHB) and factors impacting its chemical and mechanical characteristics
(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 ... -
β-glucan metabolic and immunomodulatory properties and potential for clinical application
(MDPI, 2020-12-10)β-glucans are complex polysaccharides that are found in several plants and foods, including mushrooms. β-glucans display an array of potentially therapeutic properties. β-glucans have metabolic and gastro-intestinal effects, ... -
A bilayer vaginal tablet for the localized delivery of disulfiram and 5-fluorouracil to the cervix
(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 ... -
Characterisation and in vivo evaluation of Araucaria angustifolia pinhão seed coat nanosuspension as a functional food source
(Royal Society of Chemistry, 2020-10-08)Araucaria angustifolia seeds are culturally important from South America; however, the seed coat is generally discarded and have yet to find a beneficial commercial impact. We propose a new formulation to the usage of ... -
Yerba mate extract in microfibrillated cellulose and corn starch films as a potential wound healing bandage
(MDPI, 2020-11-27)Microfibrillated cellulose films have been gathering considerable attention due to their high mechanical properties and cheap cost. Additionally, it is possible to include compounds within the fibrillated structure in ... -
Biodegradation and antimicrobial properties of zinc oxide-polymer composite materials for urinary stent applications
(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 ... -
Purified β‐glucans from the Shiitake mushroom ameliorates antibiotic‐resistant Klebsiella pneumoniae‐induced pulmonary sepsis
(Society for Applied Microbiology, 2020-07-24)Bacterial infection remains the main cause of acute respiratory distress syndrome and is a leading cause of death and disability in critically ill patients. Here we report on the use of purified β‐glucan (lentinan) extracts ...