Bioplásticos
Bioplásticos
Fibrin gel enhanced trilayer structure in cell?cultured constructs
18/03/2023 -
Trilayer fibrous polycaprolactone substrates mimicking the circumferential, random, and radial orientations of native leaflets were produced through electrospinning. Cells were seeded onto the...
Properties of Poly(Lactic Acid)/Wild Jujube Pit/Hydroxyapatite Based on 3D Printing
14/03/2023 -
In this study, wild jujube pit (WJ) was used to compose with hydroxyapatite (HA) and poly(lactic acid) (PLA) based on 3D printing. The properties of WJ and its alkali/silane treatments (WJS),...
Self?healing polyacrylate coatings with dynamic H?bonds between urea groups
15/03/2023 -
The antioxidant activity of natural phenolic molecules added to a bio?polymer is evaluated through thermogravimetric analysis: the apparent activation energy (Ea) of the thermo?oxidative degradation...
Development of polypyrrole/Ni(OH)2?NiO core?shell nanocomposite as an optoelectronic device
09/03/2023 -
Thermosensitive tunable porous film of (pNIPAM)?b?(PCL) for sustain drug delivery.AbstractThere have been reports on different types of porous polymer films for various applications. The designing of...
A facile fabrication of zinc oxide?doped carbon aerogel by cellulose extracted from coconut peat and sodium alginate for energy storage application
08/03/2023 -
AbstractPoly(L?lactic acid) (PLLA) is a biodegradable polymer that has attracted increasing attention due to its fantastic properties. Nevertheless, the disadvantages of PLLA, such as low...
Epidural Administration of Curcumin-Loaded Polycaprolactone/Gelatin Electrospun Nanofibers for Extended Analgesia After Laminectomy in Rats
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Abstract Several clinical studies have reported the analgesic effect of curcumin (Curc) in various situations such as rheumatoid arthritis, osteoarthritis, and postsurgical pain....
Preparation of high-performance PLA / PBAT blends with hierarchical structure by controlling distribution of oriented region
07/03/2023 -
Abstract PLA is a potential fully biodegradable material, but its poor toughness and heat resistance seriously limit its wide application. In this work, a strong and tough...
From nano to the macro: tuning hierarchical aggregation of thermoresponsive PEG/PCL-based polyurethanes via molar mass/composition control
09/03/2023 -
Amphiphilic hyperbranched polyurethanes (HPUs) based on PEG and PCL are promising for several biomedical applications. However, the lack of control over the molar mass and composition hinders a...
Aerospace, Vol. 10, Pages 256: Structural Design of a Large-Scale 3D-Printed High-Altitude Propeller: Methodology and Experimental Validation
07/03/2023 -
This paper presents an original approach to the structural design and analysis of a 3D-printed thermoplastic-core propeller blade for high-altitude UAVs. A macroscale linear isotropic numerical model...
Proof of Concept and Preliminary Validation of an Analytical Model of an Energy Dissipator for Tension Loads with Self-Centering Capacity
09/03/2023 -
A novel energy dissipation device is proposed to protect structures against dynamic loads. A conceptual model of the device is presented, describing the fundamental components of its operation. This...
Investigation of Structural and Optical Characteristics of Biopolymer Composites Based on Polyvinyl Alcohol Inserted with PbS Nanoparticles
07/03/2023 -
The film casting method is implemented to synthesize a series of films consisting of polyvinyl alcohol (PVA) films and 4 wt%, 8 wt%, and 12 wt% lead sulfide (PbS) nanoparticles (NPs). X-ray...
A Study on the Effect of Doping Metallic Nanoparticles on Fracture Properties of Polylactic Acid Nanofibres via Molecular Dynamics Simulation
09/03/2023 -
All-atom molecular dynamics simulations are conducted to elucidate the fracture mechanism of polylactic acid nanofibres doped with metallic nanoparticles. Extensional deformation is applied on...
Development and Characterization of Drug Loaded PVA/PCL Fibres for Wound Dressing Applications
08/03/2023 -
Nowadays, synthetic polymers are used in medical applications due to their special biodegradable, biocompatible, hydrophilic, and non-toxic properties. The materials, which can be used for wound...
Microbial Biopolymers: Trends in Synthesis, Modification, and Applications
09/03/2023 -
Microbes can act as a factory for the conversion of a variety of carbon and nitrogen sources into diverse kinds of intracellular and extracellular biopolymers, including polyhydroxyalkanoates (PHA)...
Performance Spectrum of Home-Compostable Biopolymer Fibers Compared to a Petrochemical Alternative
09/03/2023 -
Manufacturers of technical polymers must increasingly consider the degradability of their products due to the growing public interest in topics such as greenhouse gas emissions and microplastic...
Observation of Edge Magnetoplasmon Squeezing in a Quantum Hall Conductor
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Squeezing of the quadratures of the electromagnetic field has been extensively studied in optics and microwaves. However, previous works focused on the generation of squeezed states in a low...
Benzo[d]thiazole Based Wide Bandgap Donor Polymers Enable 19.54% Efficiency Organic Solar Cells Along with Desirable Batch?to?batch Reproducibility and General Applicability
04/03/2023 -
The limited selection pool of high?performance wide band gap (WBG) polymer donors is a bottleneck problem of the nonfullerene acceptor (NFA) based organic solar cells (OSCs) that impedes the further...
Synergistic flame retardant effect of cerium?based DOPO derivative and intumescent flame retardants in polypropylene
04/03/2023 -
Attention! This study finds ZnO?creatinine hybrid catalyst is used to effectively catalyze lactide synthesis with high yield and low racemization.AbstractLactide is the crucial intermediate for...
Synthesis and characterization of poly [(3,4?ethylenedioxy) thiophene]:polystyrene sulfonate (PEDOT:PSS) for energy storage device application
04/03/2023 -
In this manuscript, the structural design and optimization of the short carbon fiber/PLA shape memory composite structure, the bonding performance of the composite structure is effectively improved...
Fabrication of hybrid tubular scaffolds using direct ink writing for tracheal regenerative application
03/03/2023 -
Abstract Tracheal tissue engineering has been an alternative treatment for long-term tracheal stenosis due to the lack of donors and suitable tracheal implants. This work is meant...
