Bioplásticos

Bioplásticos

Electrospun Nisin-Loaded Poly(ε-caprolactone)-Based Active Food Packaging
28/06/2022 - Packaging for fresh fruits and vegetables with additional properties such as inhibition of pathogens grown can reduce food waste. With its biodegradability, poly(ε-caprolactone) (PCL)...
A Simple Replica Method as the Way to Obtain a Morphologically and Mechanically Bone-like Iron-Based Biodegradable Material
28/06/2022 - Porous iron-based scaffolds were prepared by the simple replica method using polyurethane foam as a template and applying the sintering process in a tube furnace. Their surface morphology was...
Chitin Nanocrystal Hydrophobicity Adjustment by Fatty Acid Esterification for Improved Polylactic Acid Nanocomposites
28/06/2022 - Bioplastics may solve environmental issues related to the current linear plastic economy, but they need improvement to be viable alternatives. To achieve this, we aimed to add chitin nanocrystals...
Bioconversion of Mixed Alkanes to Polyhydroxyalkanoate by Pseudomonas resinovornas: Upcycling of Pyrolysis Oil from Waste-Plastic
28/06/2022 - Polyhydroxyalkanoate (PHA) is a biodegradable plastic that can be used to replace petroleum-based plastic. In addition, as a medium-chain-length PHA (mcl-PHA), it can be used to provide elastomeric...
A Poly (Caprolactone)-Cellulose Nanocomposite Hydrogel for Transdermal Delivery of Hydrocortisone in Treating Psoriasis Vulgaris
28/06/2022 - Psoriasis vulgaris (PV) is a common chronic disease, affecting much of the population. Hydrocortisone (HCT) is currently utilized as a PV treatment; however, it is associated with undesirable side...
Influence of Thermal Annealing Temperatures on Powder Mould Effectiveness to Avoid Deformations in ABS and PLA 3D-Printed Parts
27/06/2022 - Fused deposition modelling (FDM)-printed parts can be treated with various post-processes to improve their mechanical properties, dimensional accuracy and surface finish. Samples of polylactic acid...
The Influence of Polycaprolactone on Structural Changes of Dusts from Molding Sands with Resin-Based Binder before and after the Biodegradation Process
27/06/2022 - Resin-based binders are one of the main materials used in foundry molding and core sands. This work adds to the research on self-curing sands with furfuryl resin, which dominates in the production of...
Optimal Design of Wood/Rice Husk-waste-Filled PLA Biocomposites Using Integrated CRITIC–MABAC-Based Decision-Making Algorithm
27/06/2022 - Based on the criteria importance through inter-criteria correlation (CRITIC) and the multi-attributive border approximation area comparison (MABAC), a decision-making algorithm was developed to...
Determination of Pb sulfide formation on smithsonite surface in NH3-Pb-S aqueous solution system
- Sulfides generated on the surface of nonferrous metal oxide minerals are considered the most critical component affecting xanthate flotation. Complex sulfidization and activization treatments are...
A polyphosphoramide-grafted lignin enabled thermostable and fire-retardant polylactide with preserved mechanical properties
- It has been desirable to create biodegradable polymer materials that are thermally stable, flame- retardant and mechanically robust. One promising strategy is to develop fire retardant polylactide...
Fatigue testing on rotary friction-welded joints between solid ABS and 3D-printed PLA and ABS
- Additive manufacturing is increasingly used for producing a variety of components. These...
Preparation of highly selective PSf/ZnO/PEG400 tight ultrafiltration membrane for dyes removal
21/06/2022 - AbstractThe biodegradable and bioactive bioscaffolds with suitable hierarchical structure, customized shape, and mechanical performance have great potential for biomedical applications especially in...
Multiblock copolymers containing poly(butylene succinate) and poly(?-caprolactone) blocks: Effect of block ratio and length on physical properties and biodegradability
24/06/2022 - Abstract In order to obtain polymers with preserved thermal properties and tunable biodegradability multiblock copolymers comprising blocks of biodegradable polyesters...
Conversion of Short and Medium Chain Fatty Acids into Novel Polyhydroxyalkanoates Copolymers by Aeromonas sp. AC_01
25/06/2022 - Polyhydroxyalkanoates (PHAs) production by Aeromonas sp. AC_01 was investigated using synthetic and waste derived short and medium chain fatty acids (SMCFAs). The obtained results revealed that the...
Nanofibrous Online Solid-Phase Extraction Coupled with Liquid Chromatography for the Determination of Neonicotinoid Pesticides in River Waters
- Polymeric nano- and microfibers were tested as potential sorbents for the extraction of five neonicotinoids from natural waters. Nanofibrous mats were prepared from polycaprolactone, polyvinylidene...
Weld Strength of Friction Welding of Dissimilar Polymer Rods Fabricated by Fused Deposition Modeling
25/06/2022 - Friction welding (FRW) is a promising method for joining cylindrical components of dissimilar and similar polymers or metals. In particular, FRW is capable of generating defect-free welds. Fused...
Investigation and prediction of mechanical properties of hot water treated jute/poly(lactic acid) composite laminates using response surface methodology and genetic algorithm
23/06/2022 - The main objective of this work was to estimate the usefulness of response surface methodology (RSM) and genetic algorithm (GA) in modeling and predicting the strength of jute/poly(lactic acid) (PLA)...
Enhancing structural strength and improving cell survival through Polycaprolactone/(gelatin/hydroxyapatite) Core?Shell nanofibers for tissue engineering
22/06/2022 - Bone tissue engineering is a practical approach to repairing broken or damaged bones that combines scaffold, cells, and growth factors for treatment. In this study, polycaprolactone (PCL)/gelatin...
Antiangiogenic Nanomicelles for the Topical Delivery of Aflibercept to Treat Retinal Neovascular Disease
23/06/2022 - nEPCs + A are aflibercept?loaded nanomicelles formed by encapsulating aflibercept in an EPC copolymer solution. In this study, the ability of nEPCs + A to deliver clinically significant amounts of...
Microstructures and properties of polycaprolactone/tricalcium phosphate scaffolds containing polyethylene glycol fabricated by 3D printing
- Polymer scaffolds have attracted extensive attention in tissue engineering, especially polycaprolactone (PCL) scaffolds. However, the lack of biological activity and inherent hydrophobicity of PCL...
Fabrication and characterization of hybrid coating on Mg–Zn–Ca Mg alloy for enhanced corrosion and degradation resistance as medical implant
- Magnesium (Mg)-based alloys have appealing properties as promising implants for medical applications. However, their clinical applications are hindered due to the rapid corrosion and degradation...