Bioplásticos

Bioplásticos

One-Step Oxidation of Orange Peel Waste to Carbon Feedstock for Bacterial Production of Polyhydroxybutyrate
30/01/2023 - Orange peels are an abundant food waste stream that can be converted into useful products, such as polyhydroxyalkanoates (PHAs). Limonene, however, is a key barrier to building a successful...
Hydrolysis, Biodegradation and Ion Sorption in Binary Biocomposites of Chitosan with Polyesters: Polylactide and Poly(3-Hydroxybutyrate)
27/01/2023 - The film binary composites polylactide (PLA)–chitosan and poly(3-hydroxybutyrate) (PHB)–chitosan have been fabricated and their functional characteristics, such as...
Carrier Variety Used in Immobilization of His6-OPH Extends Its Application Areas
24/01/2023 - Organophosphorus hydrolase, containing a genetically introduced hexahistidine sequence (His6-OPH), attracts the attention of researchers by its promiscuous activity in hydrolytic reactions with...
Simulated Environmental Conditioning of PHB Composites Reinforced with Barley Fibres to Determine the Viability of Their Use as Plastics for the Agriculture Sector
22/01/2023 - Nowadays, the search for new materials with a sustainable character to reduce the production of residues is under continuous research. In this sense, fully biodegradable composites based on...
Polylactide/poly[(R)?3?hydroxybutyrate] (PHB) blend fibers with superior heat?resistance: Effect of PHB on crystallization
18/01/2023 - Blending low content of poly[(R)?3?hydroxybutyrate?co?4?hydroxybutyrate] (P34HB??8 wt %) with poly(L?lactide) (PLLA) has proven effective in enhancing heat resistance of PLLA fibers. Unfortunately,...
Cocoa Bean Shell as Promising Feedstock for the Production of Poly(3-hydroxybutyrate) (PHB)
11/01/2023 - Cocoa bean shell (CBS), a by-product of the chocolate industry, has been employed as a substrate to obtain poly(3-hydroxybutyrate) (PHB) by fermentation with Bacillus firmus. With this aim,...
Influence of polymer compatibility and layer thickness on the structural and thermophysical properties of polymer multilayer films
26/12/2022 - Coextruded multilayer polymer films are promising packaging materials since their architecture and properties can be adjusted while the production technology is environmentally friendly. Here, the...
Biocompatibility and Antimicrobial Activity of Electrospun Fibrous Materials Based on PHB and Modified with Hemin
05/01/2023 - The effect of the hemin (Hmi) on the structure and properties of nanocomposite electrospun materials based on poly-3-hydroxybutyrate (PHB) is discussed in the article. The additive significantly...
Process Design for Value-Added Products in a Biorefinery Platform from Agro and Forest Industrial Byproducts
05/01/2023 - Agroforestry wastes are industrial byproducts available locally such as eucalyptus sawdust (EUC) and sugarcane bagasse (SCB). These byproducts can be used as lignocellulosic raw materials to produce...
Fabrication of eco?friendly superhydrophobic and superoleophilic PHB?SiO2 bionanofiber membrane for gravity?driven oil/water separation
27/12/2022 - AbstractTo make full use of the renewability of polylactide (PLA) and natural Eucommia ulmoides gum (EUG), novel fully sustainable thermal plastic vulcanizates (TPVs) with high toughness were...
Preparation and properties of soap?free emulsion of polyacrylate grafted by polyester with high HEMA content
27/12/2022 - Illustration of separation of oil–water mixture: (a) shaken oil–water mixture poured on PHB–SiO2(3) nanofibrous mat coated and uncoated meshes; (b, c) dispersion of mixture of oil and water on...
Preparation and Performance Evolution of Plasma Sprayed Abradable CuAl/PHB–NiAl Layered Seal Coatings
27/12/2022 - In this study, a double-layered CuAl/PHB-NiAl seal coating was prepared on a GH4169 substrate by atmospheric plasma spraying. The evolution of the microstructure and mechanical properties of the...
Evaluating and Modeling the Degradation of PLA/PHB Fabrics in Marine Water
25/12/2022 - Developing degradable bio-plastics has been considered feasible to lessen marine plastic pollution. However, unanimity is still elusive regarding the actual degradability of bio-plastics such as...
Biocomposite Materials Based on Poly(3-hydroxybutyrate) and Chitosan: A Review
18/12/2022 - One of the important directions in the development of modern medical devices is the search and creation of new materials, both synthetic and natural, which can be more effective in their properties...
Aminolysis of Poly-3-Hydroxybutyrate in N,N-Dimethylformamide and 1,4-Dioxane and Formation of Functionalized Oligomers
14/12/2022 - The degradation pattern of bacterial poly-3-hydroxybutyrate (PHB) in dimethylformamide (DMF) and dioxane solutions at 100 °C assisted by ethylenediamine, 1,4-diaminobutane and...
Impact of In Vitro Degradation on the Properties of Samples Produced by Additive Production from PLA/PHB-Based Material and Ceramics
12/12/2022 - The present study deals with preparing a polymer-based material with incorporated ceramics and monitoring changes in properties after in vitro natural degradation. The developed material is a mixture...
Finding of Novel Galactose Utilizing Halomonas sp. YK44 for Polyhydroxybutyrate (PHB) Production
10/12/2022 - Polyhydroxybutyrate (PHB) is a biodegradable bioplastic with potential applications as an alternative to petroleum-based plastics. However, efficient PHB production remains difficult. The main cost...
Analysis of PLA/PHB Biopolymer Material with Admixture of Hydroxyapatite and Tricalcium Phosphate for Clinical Use
07/12/2022 - One trend in tissue engineering and regenerative medicine is the development of degradable composite polymers. The aim of this study was the comprehensive analysis of Polylactic acid (PLA) /...
High-Pressure Depolymerization of Poly(lactic acid) (PLA) and Poly(3-hydroxybutyrate) (PHB) Using Bio-Based Solvents: A Way to Produce Alkyl Esters Which Can Be Modified to Polymerizable Monomers
01/12/2022 - The polyesters poly(lactic acid) (PLA) and poly(3-hydroxybutyrate) (PHB) used in various applications such as food packaging or 3D printing were depolymerized by biobased aliphatic...
Effect of ultrasound treatment on bacteriostatic activity of piezoelectric PHB?TiO2 hybrid biodegradable scaffolds prepared by electrospinning technique
26/11/2022 - AbstractLiquid desiccant air?conditioning system has received increasing attention due to the urgent demand for humidity control and antibacterial in today's medical environment. In this system, the...
Augmentation in polyhydroxybutyrate and biogas production from waste activated sludge through mild sonication induced thermo-fenton disintegration
- In this study, an innovative approach was developed to enhance the hydrolysis through phase-separated pretreatment by removing exopolymeric substances via mild sonication followed by thermo-Fenton...