Bioplásticos

Bioplásticos

Effect of foam filling on the energy absorption behaviour of flax/polylactic acid composite interlocking sandwich structures
15/07/2022 - A novel double cell wall interlocking square core was fabricated from flax fibre reinforced
A microcosm approach for evaluating the microbial nonylphenol and butyltin biodegradation and bacterial community shifts in co-contaminated bottom sediments from the Gulf of Finland, the Baltic Sea
16/05/2022 - Pollution of aquatic ecosystems with nonylphenol (NP) and butyltins (BuTs) is of great concern due to their effects on endocrine activity, toxicity to aquatic organisms, and extended persistence...
Mechanical properties of 3D printed micro?nano rice husk/polylactic acid filaments
16/05/2022 - Photosensitive resin and DLP 3D printing method are used to prepare h?BN/epoxy acrylate (EA) and h?BN/AlN/EA thermal conductive polymer. Using liquid resin can help fillers to be evenly dispersed,...
Influence of polydimethylsiloxane on the microstructure and properties of polyester thermoplastic polyurethane
16/05/2022 - Abstract The effect of non-polar and non-hydrogen bonding hydroxybutane terminated polydimethylsiloxane (PDMS) on the microstructure and properties of polycaprolactone glycol...
Bionanocomposites based on natural rubber and cellulose nanofibrils from arecanut husk: Rheological, mechanical and thermal characterizations
16/05/2022 - Abstract Cellulose nanofibrils with a substantial aspect ratio (100–150) were isolated from an abundant agricultural waste, arecanut husk. These cellulose nanofibrils were...
Engineering a biomimetic bone scaffold that can regulate redox homeostasis and promote osteogenesis to repair large bone defects
- The reconstruction of a large bone defect to an extent that exceeds its self-healing capacity has been a great clinical challenge. In pursuit of this goal, a biomaterial-based scaffold that...
Estimating the two graph dextran–stearic acid–spermine polymers based on iron oxide nanoparticles as carrier for gene delivery
12/05/2022 - Non?viral gene carriers have shown noticeable potential in gene delivery because of limited side effects, biocompatibility, simplicity, and the ability to take advantage of electrostatic...
Rethinking green roofs- natural and recycled materials improve their carbon footprint
- Green roofs contribute to climate regulation and urban heat island mitigation, thereby counteracting heat stress. Ecosystem services of green roofs are discussed, but their production and...
Numerical evaluation of an optically switchable photovoltaic glazing system for passive daylighting control and energy-efficient building design
- Adaptive control of solar heat gain and visible light transmission through windows is perceived to be a potential measure for enhancing energy conservation and visual comfort in buildings. In this...
Analysis of starch digestograms using Monte Carlo simulations
- Monte Carlo dynamics were used to simulate the enzymatic starch digestion. Enzyme and starch molecules were distributed on a periodic grid and allowed to stochastically interact according to the...
In-vitro digestibility of rice starch and factors regulating its digestion process: A review
- Rice is consumed as staple food by more than half of the world's population. However, it has high glycemic index because of high starch content and is associated with the development of...
High-performance triboelectric nanogenerator based on chitin for mechanical-energy harvesting and self-powered sensing
- Environment issues and energy crisis call for eco-friendly, biodegradable and low-cost natural materials for the extensive application of distributed energy harvesting triboelectric nanogenerators...
Stabilization of insulin using low molecular weight chitosan carbonate nanocarrier
- The current study aims to design a nanoparticulate system that could encapsulate insulin and improve its stability. Nanoparticles were formulated by ionic cross-linking of chitosan (CS) with...
Molecular simulations of the effects of substitutions on the dissolution properties of amorphous cellulose acetate
- The dissolution behavior of cellulose acetate (CA) is an extremely important property in its extensive applications and preparation of derivatives. In this paper, we proposed a molecular model...
Fabrication of Janus-type nanocomposites from cellulose nanocrystals for self-healing hydrogels’ flexible sensors
- Janus bio-nanomaterials have great application potential in functional solid surfactants, probes and flexible sensors. In this manuscript, the sustainable Janus cellulose nanocrystals-type...
Improving the mechanical properties of polycaprolactone using functionalized nanofibrillated bacterial cellulose with high dispersibility and long fiber length as a reinforcement material
- Nanofibrillated bacterial cellulose (NFBC) produced in the presence of hydroxypropylcellulose (HPC) (HP-NFBC) is amphiphilic and has a very long fiber length (>15 ?m). In this study,...
Coagulation/anticoagulation-regulable and tough extracellular matrix hydrogels
15/06/2022 - Many active proteins and growth factors exist in extracellular matrix (ECM), regulating important physiological processes in the body. The conversion of ECM into hydrogels will significantly...
Study on metal alloy-reinforced polycaprolactone 3D printed composites for electromagnetic protection
07/07/2022 - The new type of 3D printing consumables is an essential development premise for the diversity of 3D printed products. So, the composites made of metal alloy and flexible polymer were studied to...
Biocompatibility and antibiofilm activity of graphene-oxide functionalized titanium discs and collagen membranes
- The aims of the study were: 1) to evaluate the effect on biofilm formation of barrier membranes and titanium surfaces coated with graphene-oxide (GO); 2) to analyze the connection between the...
Polypeptide hydrogel loaded with conducting polymer nanoparticles as electroresponsive delivery system of small hydrophobic drugs
- A hydrogel/nanoparticle-loaded system for the controlled delivery of small hydrophobic drugs has been prepared using poly(?-glutamic acid) (PGGA), a naturally occurring biopolymer made of glutamic...