Bioplásticos
Bioplásticos
Corrosion Behavior of Hybrid Zinc Coatings Based on Chitosan and Corrosion Inhibitor BTA: Effect of the Molecular Weight and ζ-Potential
17/04/2024 -
The creation of anticorrosion hybrid zinc-based coatings containing chitosan particles with low (LMC) or high (HMC) molecular weight is an effective method for safe and durable exploitation of...
Magnetic Nanoparticle Support with an Ultra-Thin Chitosan Layer Preserves the Catalytic Activity of the Immobilized Glucose Oxidase
17/04/2024 -
Here, we developed magnetically recoverable biocatalysts based on magnetite nanoparticles coated with an ultra-thin layer (about 0.9 nm) of chitosan (CS) ionically cross-linked by sodium...
Mimicking the Physicochemical Properties of the Cornea: A Low-Cost Approximation Using Highly Available Biopolymers
17/04/2024 -
Corneal diseases represent a significant global health challenge, often resulting in blindness, for which penetrating keratoplasty is the clinical gold standard. However, in cases involving...
Evaluation of Chemical and Biological Properties of Biodegradable Composites Based on Poly(3-hydroxybutyrate) and Chitosan
17/04/2024 -
In this study, composite films and scaffolds of polyester poly(3-hydroxybutyrate) and polysaccharide chitosan obtained via a simple and reproducible blending method using acetic acid as a solvent...
Preparation and Characterization of Chitosan/Hydroxyapatite Nanowire Composite Scaffolds for Bone Regeneration
12/04/2024 -
In this study, chitosan/hydroxyapatite nanowire composite scaffolds were prepared by the cryogenic 3D printing method. Their properties were investigated for bone regeneration. Synthesized...
Molecular dynamics simulations of the solubility of chitosan grafted polyacrylamide and its adsorption mechanism with kaolinite: Impact of length and distribution of branched?chain
12/04/2024 -
Manufacturing process and microstructure/properties of biochar?reinforced polybutylene succinate.AbstractSustainability has become increasingly important as environmental issues continue to rise....
Injectable Chitosan Hydrogels Doped with 2D Peptide Nanosheet?Drug Conjugates for Glutathione?Responsive Sustained Drug Delivery
10/04/2024 -
A molecule?responsive drug release system based on 2D peptide nanosheets (PNSs) has been developed by using chitosan (CS) hydrogel as a sustained?release platform. The PNS?CS?based drug delivery...
Release and Degradation Mechanism of Modified Polyvinyl Alcohol-Based Double-Layer Coated Controlled-Release Phosphate Fertilizer
10/04/2024 -
This study aims to improve the slow-release performance of a film material for a controlled-release fertilizer (CRF) while enhancing its biodegradability. A water-based biodegradable polymer material...
Biopolymeric Nanocomposites for CO2 Capture
11/04/2024 -
Carbon dioxide (CO2) impacts the greenhouse effect significantly and results in global warming, prompting urgent attention to climate change concerns. In response, CO2 capture has emerged as a...
In Vivo Evaluation of Innovative Gadolinium-Based Contrast Agents Designed for Bioimaging Applications
11/04/2024 -
The aim of this study was the investigation of biochemical and histological changes induced in different tissues, as a result of the subcutaneous administration of Gd nanohydrogels...
Polymers and their engineered analogues for ocular drug delivery: Enhancing therapeutic precision
05/04/2024 -
Ocular drug delivery is constrained by anatomical and physiological barriers, necessitating innovative solutions for effective therapy. Natural polymers like hyaluronic acid, chitosan, and gelatin,...
Solar-Responsive Bi2S3/ZnS Heterojunction-Loaded Chitosan/Cellulose Sponges for Adsorption-Photocatalytic Degradation of Congo Red
05/04/2024 -
Dye wastewater discharges threaten fragile aquatic ecosystems. Photocatalysis has been applied as an effective, viable, and economical option to achieve dye degradation. However, current...
Effect of Environmental pH on the Mechanics of Chitin and Chitosan: A Single-Molecule Study
05/04/2024 -
Chitin and chitosan are important structural macromolecules for most fungi and marine crustaceans. The functions and application areas of the two molecules are also adjacent beyond their similar...
A Comparative Study of Removal of Acid Red 27 by Adsorption on Four Different Chitosan Morphologies
08/04/2024 -
To investigate the relationship between structures and adsorption properties, four different morphologies of chitosan, with hydrogel (CSH), aerogel (CSA), powder (CSP), and electrospinning nanofiber...
Bio?blends of virgin and post?industrial poly(methyl methacrylate) waste/pristine chitosan: Structure, thermal, and physical properties
06/04/2024 -
Preparation and characterization of virgin and post?industrial poly(methyl methacrylate) waste/pristine chitosan bio?blends.Polymer blends based on plastic waste and natural biodegradable polymers is...
Exploring the efficacy of various essential oils in chitosan?based composite biopolymer films for food packaging
04/04/2024 -
To ensure food and environmental safety, biodegradable packaging materials from various natural polymers are being used to preserve the high quality of foods and to increase their shelf life in...
Characterization and therapeutic potential of chitosan?zinc oxide nanostructured particles synthesized using crab shell derived biopolymer
04/04/2024 -
The development of novel drug candidates for treating microbial infections and cancer turns into a challenging task. The biopolymer?based nanomaterials have gained popularity for their effective...
Fabrication of Polyethyleneimine-Functionalized Chitosan Composite Microspheres for Efficient Removal of Diclofenac Sodium from Water: Behavior and Mechanism Study
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Ecotoxicity of diclofenac sodium (DS) even at low concentrations makes it urgent to remove DS from water. In this work, chitosan microspheres were prepared by one-step reversed-phase emulsion method,...
Preparation of fluorinated chitosan?based multifunctional materials with rapid hemostasis, anti?infection, and non?adhesive properties for wounds
02/04/2024 -
Excessive bleeding can give rise to a range of pathologies, encompassing hypothermia, coagulation disorders, infection, and hemorrhagic shock. Uncontrolled massive blood loss stands as one of the...
Design, characterization, and performance evaluation of novel PVA/CS/CNF/MOP TN ionic conductive hydrogels for flexible sensors
02/04/2024 -
Flexible hydrogel polymers with excellent stretchability, high conductivity, and biocompatibility are widely used to prepare flexible sensing devices. However, it remains difficult to simultaneously...
Dielectric, transparent, thermally stable and mechanically robust bionanocomposite films based on chitosan and modified cellulose nanocrystals
02/04/2024 -
Bio?nanocomposite Films based Chitosan reinforced functionalized Nano?Cellulose issued from Biomass wasteThe growing demand for electronics necessitates the development of novel environmentally...
