Browsing Articles - PRISM: Polymer, Recycling, Industrial, Sustainability and Manufacturing Institute by Title
Now showing items 62-81 of 169
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Extraction method plays critical role in antibacterial activity of propolis loaded hydrogels.
(Elsevier, 2016-03)Extracted propolis has been used for a long time as a remedy. However, if the release rate of propolis is not controlled, the efficacy is reduced. To overcome this issue, extracted propolis was added to a cryogel system. ... -
Extruded monofilament and multifilament thermoplastic stitching yarns.
(MDPI, 2017-12)Carbon fibre reinforced polymer composites offer significant improvement in overall material strength to weight, when compared with metals traditionally used in engineering. As a result, they are replacing metals where ... -
Faster release of lumen-loaded drugs than matrix-loaded equivalent in polylactic acid/halloysite nanotubes.
(MDPI, 2019-06-15)Nanocomposite-based drug delivery systems with intrinsic controlled release properties are of great interest in biomedical applications. We report a novel polylactic acid (PLA)/halloysite nanotube (HNT) nanocomposite-based ... -
Formulation and evaluation of Fenbendazole extended-release extrudes processed by hot-melt extrusion
(MDPI, 2022-10-06)This study aimed to demonstrate the feasibility of hot-melt extrusion in the development of extended-release formulations of Fenbendazole (Fen) dispersed in PEO/PCL blend-based matrices. Their thermal, physical, chemical ... -
Freeze-thaw electrospun PVA-Dacarbazine nanoparticles: preparation, characterization and anticancer evalution.
(Taylor & Francis Online, 2019-06-13)Dacarbazine (DTIC) is an antitumor agent that has limited clinical applications due to its insolubility, instability and toxicity to normal cells. One possibility to achieve controlled release is PVA-based NPs. This work ... -
Fused-filament fabrication of PEEK: a review of process-structure-property relationships.
(MDPI, 2020-07-27)Poly (ether ether ketone) (PEEK) is a high-performance engineering thermoplastic polymer with potential for use in a variety of metal replacement applications due to its high strength to weight ratio. This combination ... -
Granule-based material extrusion is comparable to filament-based material extrusion in terms of mechanical performances of printed PLA parts: a comprehensive investigation
(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 ... -
Green synthesis of zinc oxide nanoparticles: a review of the synthesis methodology and mechanism of formation.
(Elsevier, 2020-03)Zinc oxide is of significant importance for many industries due to its versatile properties, which have been enhanced with the production of this material in the nanoscale. Nonetheless, the increase in concerns related to ... -
Halloysite nanotube reinforced polylactic acid composite.
(Wiley, 2017-10)Polylactic acid (PLA) has long history in medical applications, and reinforced PLA has the potential to be used in the medical applications that require high mechanical strength such as coronary stents and bone fixation ... -
Heat dissipation plays critical role for longevity of polymer-based 3D-printed inserts for plastics injection moulding.
(MDPI, 2022-10-08)Injection moulding is a polymer processing method of choice for making plastic parts on industrial scale, but its traditional mould is made from tooling steel with time-consuming and costly production. Additive manufacturing ... -
Hyaluronic acid: a review of the drug delivery capabilities of this naturally occurring polysaccharide
(MDPI, 2022-08-23)The inclusion of physiologically active molecules into a naturally occurring polymer matrix can improve the degradation, absorption, and release profile of the drug, thus boosting the therapeutic impact and potentially ... -
Impact of torrefaction on properties of Miscanthus x giganteus relevant to gasification.
(Elsevier, 2014-04-01)Miscanthus × giganteus (M × G) was torrefied to improve its thermal and physical properties prior to thermal conversion. Torrefaction was undertaken at a series of temperatures from 230 to 290 °C for residence times varying ... -
In vitro fibroblast and pre-osteoblastic cellular responses on laser surface modified Ti-6AI-4V.
(IOP Publishing, 2014-12-29)The success of any implant, dental or orthopaedic, is driven by the interaction of implant material with the surrounding tissue. In this context, the nature of the implant surface plays a direct role in determining the ... -
Influence of annealing and biaxial expansion on the properties of Poly-l-lactic) medical tubing.
(MDPI, 2019-07-11)Poly-l-lactic acid (PLLA) is one of the most common bioabsorbable materials in the medical device field. However, its use in load-bearing applications is limited due to its inferior mechanical properties when compared ... -
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 ... -
The influence of low shear microbore extrusion on the properties of high molecular weight poly(l-lactic acid) for medical tubing applications.
(MDPI, 2019-04)Biodegradable polymers play a crucial role in the medical device field, with a broad range of applications such as suturing, drug delivery, tissue engineering, sca olding, orthopaedics, and fixation devices. Poly-l-lactic ... -
Injectable bone substitute based on chitosan with polyethylene glycol polymeric solution and biphasic calcium phosphate microspheres.
(Elsevier, 2020-06-10)We described a method to produce an injectable bone substitute consisting of a solid and liquid phase, this solid was formed using the coacervation method consisting of a mixture of Hydroxyapatite (HAp) and beta-Tricalcium ... -
An investigation into the effects of pH and material concentrations on the morphology of Chitosan-Alginate microspheres prepared using an Ionic Gelation technique.
(IJASRM, 2017-10)The aim of this study was to develop microspheres as a drug delivery system using natural polymeric materials including Alginate and Chitosan using an Ionotropic Gelation method of synthesis. In this study, several ... -
Investigation of a novel freeze-thaw process for the production of drug delivery hydrogels
(Springer, 2005-12)Poly(vinyl alcohol) (PVA) is a water-soluble, biocompatible and biodegradable polymer, which has been widely applied in biomedical fields. In this paper, novel physically cross-linked hydrogels composed of PVA and comprising ... -
Investigation of ethylene oxide-co-propylene oxide for dissolution enhancement of hot-melt extruded solid dispersions.
(Elsevier, 2018-02)The optimal design of amorphous solid dispersion (ASD) formulations requires the use of excipients to maintain supersaturation and improve physical stability in order to ensure shelf-life stability and better absorption ...