Materiales

 

Materiales

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,...
Influence of Aeration Rate on Uncoupled Fed Mixed Microbial Cultures for Polyhydroxybutyrate Production
02/04/2024 - The use of residual streams as feedstock for the production of polyhydroxyalkanoates (PHAs) is growing steadily, as it allows the valorization of waste and nutrients otherwise disposed of and the...
Multifunctional montmorillonite/polyhydroxy butyrate composites using surfactant structure modulation strategy for packaging applications
22/03/2024 - The structural modification of montmorillonite affects the properties of composite materials.The biodegradable materials for the packaging sector have attracted much attention as they can effectively...
Application of Antioxidant Poly-Lactic Acid/Polyhydroxybutyrate (PLA/PHB) Films with Rice Bran Extract for the Preservation of Fresh Pork Meat
21/03/2024 - Poly-lactic acid/polyhydroxybutyrate (PLA/PHB) bio-based films suppose an environmentally friendly alternative to petroleum-derived packaging. In addition, rice bran extracts (RBEs) are an...
Recent trends in the development of Polyhydroxyalkanoates (PHAs) based biocomposites by blending with different bio-based polymers
15/03/2024 - Abstract Currently, Polyhydroxyalkanoates (PHAs) especially Polyhydroxybutyrate (PHB) have gained much attention as an environmentally benign alternative to petroleum-derived...
Aquatic biodegradation of poly(?-hydroxybutyrate) in polylactic acid and maleic anhydride blended fibers
18/03/2024 - Abstract In this study PLA and PHB were melt-blended with/without maleic anhydride (MA) as a compatibilizer and melt-spun into a monofilament. The aquatic biodegradation of...
The role of poly(3?hydroxybutyrate)?based derivatives in skin, nerve, cartilage, and bone tissue engineering applications—An updated review
05/03/2024 - Poly(3?hydroxybutyrate) (PHB) has gained significant attention in the realm of medical applications in recent years. This acceptability is rooted in its bioactive properties and remarkable...
Computational Analysis of the Tripartite Interaction of Phasins (PhaP4 and 5)-Sigma Factor (σ24)-DNA of Azospirillum brasilense Sp7
23/02/2024 - Azospirillum brasilense Sp7 produces PHB, which is covered by granule-associated proteins (GAPs). Phasins are the main GAPs. Previous studies have shown phasins can regulate PHB synthesis. When A....
Cellulose/Polyhydroxybutyrate (PHB) Composites as a Sustainable Bio-Based Feedstock to 3D-Printing Applications
16/02/2024 - In this work, we have studied the potential application for 3D-printing of a polymer made from combining a biodegradable and biocompatible polymer (i.e., polyhydroxybutyrate, PHB) with natural...
Impacts of pristine, aged and leachate of conventional and biodegradable plastics on plant growth and soil organic carbon
15/01/2024 - Plastic is an essential component of agriculture globally, becoming a concerning form of pollution. Biodegradable alternatives are gaining attention as a potential replacement for commonly used,...
Poly-?-hydroxybutyrate production by Synechocystis MT_a24 in a raceway pond using urban wastewater
01/12/2024 - Abstract Poly-?-hydroxybutyrate (PHB) is a potential source of biodegradable plastics that are environmentally friendly due to their complete degradation to water and carbon...
Effects of polycaprolactone viscosity on morphology, mechanical properties, water uptake, and cellular viability in poly(3?hydroxybutyrate)/polycaprolactone blends for tissue engineering
03/01/2024 - In this study, two polycaprolactones (PCLs) with different molar masses were evaluated regarding their influence on the melt processability, morphology viscoelastic and mechanical properties, water...
Application of Biopolymers as Sustainable Cladding Materials: A Review
19/12/2023 - The application of biopolymer materials in cladding presents a promising avenue for enhancing building sustainability, while addressing the limitations of conventional synthetic polymers. Cladding...
Simulation of a Composite with a Polyhydroxybutyrate (PHB) Matrix Reinforced with Cylindrical Inclusions: Prediction of Mechanical Properties
17/12/2023 - Biocomposite development, as a sustainable alternative to fossil-derived materials with diverse industrial applications, requires expediting the design process and reducing production costs....
Exploring Schwann Cell Behavior on Electrospun Polyhydroxybutyrate Scaffolds with Varied Pore Sizes and Fiber Thicknesses: Implications for Neural Tissue Engineering
06/12/2023 - The placement of a polymeric electrospun scaffold is among the most promising strategies to improve nerve regeneration after critical neurotmesis. It is of great interest to investigate the effect of...
Characterization of polyhydroxybutyrate production from Halomonas titanicae KHS3 and manufacturing of electrosprayed nanoparticles
21/11/2023 - We are currently demonstrating that hydroxyl groups in biomass are converted to aldehydes through oxidation reaction. Our ongoing studies confirm the occurrence of imine bond?based thermosetting...
Poly(3-hydroxybutyrate) Production from Lignocellulosic Wastes Using Bacillus megaterium ATCC 14581
22/11/2023 - This study aimed to analyze the production of poly(3-hydroxybutyrate) (PHB) from lignocellulosic biomass through a series of steps, including microwave irradiation, ammonia delignification, enzymatic...
Controlled-Release Materials for Remediation of Trichloroethylene Contamination in Groundwater
05/11/2023 - Groundwater contamination by trichloroethylene (TCE) presents a pressing environmental challenge with far-reaching consequences. Traditional remediation methods have shown limitations in effectively...
Geant4 Simulation of Photon- and Neutron-Shielding Capabilities of Biopolymer Blends of Poly(lactic acid) and Poly(hydroxybutyrate)
29/10/2023 - Simulation is used by scientists to imitate a real-life experimental setup in order to save time, costs and effort. Geant4, a toolkit based on the Monte Carlo method, has been widely used in...
A Comparison of Chitosan Adhesion to KOH and H2O2 Pre-Treated Electrospun Poly(3-Hydroxybutyrate) Nanofibers
26/10/2023 - Chitosan coatings could effectively increase the biostability and biocompatibility of biomaterials while maintaining their structural integrity. In this study, electrospun fibrous polyhydroxybutyrate...
Approaches to Control Crazing Deformation of PHA-Based Biopolymeric Blends
26/10/2023 - The mechanical behavior of polymer materials is heavily influenced by a phenomenon known as crazing. Crazing is a precursor to damage and leads to the formation of cracks as it grows in both...