Bioplásticos
Bioplásticos
Polyhydroxybutyrate Synthesis by the Halophilic Bacterium, Halomonas boliviensis, in Oil Palm Empty Fruit Bunch Hydrolysate
06/12/2024 -
ABSTRACTPolyhydroxyalkanoates are biodegradable, natural polyesters with the potential to replace petroleum‐based plastics. However, high production costs limit their competitiveness. This study...
Electrospinning of Poly-3-Hydroxybutyrate Fibers Loaded with Chlorophyll for Antibacterial Purposes
20/11/2024 -
This work is devoted to the creation of biocompatible fibrous materials with a high antimicrobial effect based on poly-3-hydroxybutyrate (PHB) and chlorophyll (Chl). The data obtained show the...
The Role of Chemical Treatments on Curaua Fibers on Mechanical and Thermal Behavior of Biodegradable Composites
18/11/2024 -
Biodegradable composites combining thermoplastic polymers and natural fibers could originate materials with synergetic mechanical and thermal properties, keeping their biodegradability. This paper...
Repeated Fed-Batch Culture Strategy for the Synthesis of Polyhydroxybutyrate (PHB) Biopolymers from Sugar Cane Juice Using Azotobacter vinelandii
13/11/2024 -
In this research work, a main biopolymer group of polyhydroxyalkanoates (PHAs) in the form of polyhydroxybutyrate (PHB) was synthesised by a pure bacterial strain of Azotobacter vinelandii via...
Innovative Biocompatible Blend Scaffold of Poly(hydroxybutyrate-co-hydroxyvalerate) and Poly(ε-caprolactone) for Bone Tissue Engineering: In Vitro and In Vivo Evaluation
30/10/2024 -
This study evaluated the biocompatibility of dense and porous forms of Poly(hydroxybutyrate-co-hydroxyvalerate) (PHBV), Poly(ε-caprolactone) (PCL), and their 75/25 blend for bone...
Effect of Medium-Chain-Length Alkyl Silane Modified Nanocellulose in Poly(3-hydroxybutyrate) Nanocomposites
31/10/2024 -
Poly (3-hydroxybutyrate) (PHB) is a valuable biopolymer that is produced in industrial quantity but is not widely used in applications due to some drawbacks. The addition of cellulose nanofibers...
Synthesis of Rare Earth Metal Complexes Stabilized by Amine Bridged Bis(phenolato) Ligands and Their Performance in the Polymerization of rac???Butyrolactone
25/10/2024 -
Six rare earth alkoxides bearing amine?bridged bis(phenolato) ligands were synthesized in this work, all of which showed good activity in the ROP of rac?BBL. Among them, complex 3 bearing bulky...
Influence of Oligomeric Lactic Acid and Structural Design on Biodegradation and Absorption of PLA-PHB Blends for Tissue Engineering
23/10/2024 -
The advancing development in biomaterials and biology has enabled the extension of 3D printing technology to the bioadditive manufacturing of degradable hard tissue substitutes. One of the key...
Effect of PHBV?g?MA compatibilizer on the properties of poly(3?hydroxybutyrate?co?3?hydroxyvalerate)/polylactide blend/Diss fibers biocomposites
15/10/2024 -
This study investigates the morphology and properties of biocomposites based on a blend of poly(3?hydroxybutyrate?co?3?hydroxyvalerate) (PHBV) and poly (lactic acid) (PLA) 50/50 (w/w) reinforced with...
Surface treatment effects on morphological and property enhancements of poly (3?hydroxybutyrate?co?3?hydroxyvalerate)/Diss fibers (Ampelodesmos mauritanicus) biocomposites
12/10/2024 -
Schematic presentation of the different steps of chemical treatment steps of Diss fibers and preparation of biocomposites.The present research investigates the influence of chemical modifications on...
Encapsulation of Bacillus subtilis in Electrospun Poly(3-hydroxybutyrate) Fibers Coated with Cellulose Derivatives for Sustainable Agricultural Applications
28/09/2024 -
One of the latest trends in sustainable agriculture is the use of beneficial microorganisms to stimulate plant growth and biologically control phytopathogens. Bacillus subtilis, a Gram-positive soil...
Modelling across Multiple Scales to Design Biopolymer Membranes for Sustainable Gas Separations: 2-Multiscale Approach
30/09/2024 -
The majority of materials used for membrane-based separation of gas mixtures are non-renewable and non-biodegradable, and the assessment of alternative bio-based polymers requires expensive and...
Strategic Use of Vegetable Oil for Mass Production of 5-Hydroxyvalerate-Containing Polyhydroxyalkanoate from δ-Valerolactone by Engineered Cupriavidus necator
30/09/2024 -
Although efforts have been undertaken to produce polyhydroxyalkanoates (PHA) with various monomers, the low yield of PHAs because of complex metabolic pathways and inhibitory substrates remains a...
Evaluation of Additives on the Cell Metabolic Activity of New PHB/PLA-Based Formulations by Means of Material Extrusion 3D Printing for Scaffold Applications
30/09/2024 -
In this study, specific additives were incorporated in polyhydroxyalcanoate (PHB) and polylactic acid (PLA) blend to improve its compatibility, and so enhance the cell metabolic activity of scaffolds...
Optimizing the synthesis conditions of CaAl?layered double hydroxide and poly (3?hydroxybutyrate)/CaAl?LDH nanocomposite for potential use in antibacterial drug delivery
23/09/2024 -
In vitro drug release from poly (3?hydroxybutyrate)/CaAl?layered double hydroxide nanocomposite films.Calcium aluminum layered double hydroxide (CaAl?LDH) has gained significance for drug delivery...
Development of hydroxyapatite/poly(3?hydroxybutyrate?co?3?hydroxyvalerate)/gelatin composite nanofibers to improve bone?forming cell proliferation and mineral deposition
24/09/2024 -
Schematic diagram of the fabrication of well?ordered biomimetic matrices of poly (3?hydroxybutyrate?co?3?hydroxyvalerate)/gelatin/hydroxyapatite composite fibers.Calcium phosphate hydroxyapatite (HA)...
Polyhydroxybutyrate/poly(??caprolactone)?based electrospun membranes loaded with amoxicillin?potassium clavulanate halloysite nanotubes for biomedical applications
01/10/2024 -
The graphical abstract exhibits the sulfuric acid and (3?aminopropyl)triethoxysilane functionalization and loading of the drug to the halloysite nanotubes and their utilization for developing...
Preparation and characterization of hydrophobic waterborne polyurethane self?matting coating
20/05/2024 -
Light?enhancement of Antibacterial Properties and Biodegradability of PHB?Ag@T membrane.AbstractDeveloping advanced materials with antibacterial and antifouling activities offers an adequate...
Biodegradable polyhydroxybutyrate microfiber membranes decorated with photoactive Ag?TiO2 nanoparticles for enhanced antibacterial and anti?biofouling activities
20/05/2024 -
Innovative photocurable resins based on novel urethane macromonomers, a monofunctional acrylate, and a triblock copolymer, are evaluated for the preparation of fracture tough denture base materials....
Polyhydroxyalkanoate Production from Eucalyptus Bark’s Enzymatic Hydrolysate
12/04/2024 -
In recent years, polyhydroxyalkanoates (PHAs) have gained notoriety because of their desirable properties that include proven biodegradability, biocompatibility, and thermal stability, which make...
Composites of Poly(3-hydroxybutyrate) and Mesoporous SBA-15 Silica: Crystalline Characteristics, Confinement and Final Properties
10/04/2024 -
Several composites based on poly(3-hydroxybutyrate) (PHB) and mesoporous SBA-15 silica were prepared by solvent-casting followed by a further stage of compression molding. The thermal stability,...
