Bioplásticos

 

Bioplásticos

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...
Biocomposites Based on Electrospun Fibers of Poly(3-hydroxybutyrate) and Nanoplatelets of Graphene Oxide: Thermal Characteristics and Segmental Dynamics at Hydrothermal and Ozonation Impact
20/10/2023 - In order to create new biodegradable nanocomposites for biomedicine, packaging, and environmentally effective adsorbents, ultra-thin composite fibers consisting of poly(3-hydroxybutyrate) (PHB) and...
Sustainable Polyhydroxyalkanoate Production from Food Waste via Bacillus mycoides ICRI89: Enhanced 3D Printing with Poly (Methyl Methacrylate) Blend
20/10/2023 - In view of implementing green technologies for bioplastic turning polices, novel durable feedstock for Bacillus mycoides ICRI89 used for efficient polyhydroxybutyrate (PHB) generation is proposed...
Biodegradable Conductive Layers Based on a Biopolymer Polyhydroxybutyrate/Polyhydroxyvalerate and Graphene Nanoplatelets Deposited by Spray-Coating Technique
19/10/2023 - In light of the growing concern for environmental protection and the alarming amount of waste produced due to hygiene regulations, this study suggests a biodegradable and eco-friendly solution that...
Impact of Multiple Reprocessing on Properties of Polyhydroxybutyrate and Polypropylene
18/10/2023 - Biobased plastics have the potential to be sustainable, but to explore their circularity further, current end-of-life options need to be broadened. Mechanical recycling is one of the most accepted...
Continuous polyhydroxybutyrate production from biogas in an innovative two?stage bioreactor configuration
13/10/2023 - Continuous biopolymer production from biogas using feast?famine strategies was found to be negatively impacted by the bacterial growth on the biopolymer during the feast phase. In this work,...
Development of Polyhydroxybutyrate-Based Packaging Films and Methods to Their Ultrasonic Welding
10/10/2023 - This study developed a technical task associated with the formation of welded joints based on biodegradable polymers and their subsequent physicochemical characterization. The primary objective was...
Influence of Rheological and Morphological Characteristics of Polyhydroxybutyrate on Its Meltblown Process Behavior
01/10/2023 - Polyhydroxybutyrate (PHB) is a promising biopolymer. However, processing PHB in pure form in thermoplastic processes is limited due to its rapid degradation, very low initial crystallization rate,...