Bioplásticos

 

Bioplásticos

Photooxidation?induced conformational changes and degradation behaviors of poly(butylene succinate) and poly(butylene succinate?co?adipate)
24/02/2024 - Two biodegradable polyesters, poly(butylene succinate) (PBS) and poly(butylene succinate?co?adipate) (PBSA), were artificially aged in a UV irradiation test chamber, and their photodegradation...
Encapsulation and Delivery of Mitoxantrone Using Zirconium-Based Metal–Organic Frameworks (MOFs) and Their Cytotoxic Potential in Breast Cancer Cells
26/02/2024 - Mitoxantrone (MTX) is a drug employed in breast cancer treatment, but its application is largely limited due to side effects. A controlled delivery approach can potentially reduce the side effects....
Kinetic migration of PBS and PBSA biopolymers prepared by cast film extrusion and biaxial stretching: A combined experimental and modeling approach
21/02/2024 - Reactive extrusion of polylactide (PLA)/poly (butylene adipate?co?terephthalate) blends with a high PLA content of 90?wt% enables the production of biodegradable polymeric materials exhibiting...
Planar Cation Passivation on Colloidal Quantum Dots Enables High?performance 0.35?1.8 ?m Broadband TFT Imager
15/02/2024 - Solution?processed colloidal quantum dots (CQDs) are promising candidates for broadband photodetectors from visible light to shortwave infrared (SWIR). However, large?size PbS CQDs sensitive to...
Ductile Copolyesters Prepared Using Succinic Acid, 1,4-Butanediol, and Bis(2-hydroxyethyl) Terephthalate with Minimizing Generation of Tetrahydrofuran
14/02/2024 - Poly(1,4-butylene succinate) (PBS) is a promising sustainable and biodegradable synthetic polyester. In this study, we synthesized PBS-based copolyesters by incorporating 5–20 mol% of...
Synthesis of robust and transparent poly(butenyl sorbate) membrane for separation of carbon dioxide/methane
11/02/2024 - Abstract In this study, the preparation of robust and transparent poly(butenyl sorbate) (PBS) membranes (PBS-R) was studied in terms of their CO2/CH4 separation performance. The...
Effect of blending sequence and epoxy functionalized compatibilizer on barrier and mechanical properties of PBS and PBS/PLA nanocomposite blown films
08/02/2024 - Sequence blending effect on the interactions among compounds and its impact on oxygen barrier properties.This study focuses on developing compostable nanocomposite blown films, aiming to enhance...
Baccharis dracunculifolia DC Consumption Improves Nociceptive and Depressive-like Behavior in Rats with Experimental Osteoarthritis
09/02/2024 - Osteoarthritis (OA) persistently activates nociceptors, leading to chronic pain, which is often accompanied by the comorbid development of emotional impairments (anxiety and depression), an effect...
Mechanical Properties and Degradation Rate of Poly(sorbitol adipate-co-dioladipate) Copolymers Obtained with a Catalyst-Free Melt Polycondensation Method
11/02/2024 - A new family of polyester-based copolymers—poly(sorbitol adipate-co-ethylene glycol adipate) (PSAEG), poly(sorbitol adipate-co-1,4 butane diol adipate) (PSABD), and poly (sorbitol...
PbS Quantum Dots Ink with Months?long Shelf?lifetime Enabling Scalable and Efficient Short?wavelength Infrared Photodetectors
07/02/2024 - The phase?transfer ligand exchange of PbS quantum dots (QDs) has substantially simplified device fabrication giving hope for future industrial exploitation. However, this technique when applied to...
Characterization and Crystallinity of Two Bioactive Sealers: Qualitative and Quantitative Analysis
04/02/2024 - Since the crystallinity of hydroxyapatite created by bioactive sealers could affect their solubility percentage, this study aimed to analyze the degree of crystallinity and mineral maturity of...
Preparation and smoke suppression mechanism of flame?retardant PBS composites with BNNS@DOPA
29/01/2024 - Determination of pore parameters for FDM printing of GDLs.AbstractBecause of the global energy crisis, many researchers have focused their efforts on fuel cells. The gas diffusion layer (GDL) is a...
Features of Changes in the Structure and Properties of a Porous Polymer Material with Antibacterial Activity during Biodegradation in an In Vitro Model
30/01/2024 - Hybrid porous polymers based on poly-EGDMA and polylactide containing vancomycin, the concentration of which in the polymer varied by two orders of magnitude, were synthesized. The processes of...
Effects of Polybutylene Succinate Content on the Rheological Properties of Polylactic Acid/Polybutylene Succinate Blends and the Characteristics of Their Fibers
29/01/2024 - Polylactic acid (PLA) and polybutylene succinate (PBS) are gaining prominence as environmentally friendly alternatives to petroleum-based polymers due to their inherent biodegradability. For their...
Development and Optimization of a SPME-GC-FID Method for Ethanol Detection
24/01/2024 - A solid-phase microextraction (SPME) injection gas chromatography was validated with the flame ionization detection method (GC-FID) using a capillary column to detect ethanol. The method was used to...
Melitoxin Inhibits Proliferation, Metastasis, and Invasion of Glioma U251 Cells by Down-regulating F2RL1
- Abstract As the principal active component of bee venom, melittin has an anti-cancer effect in different cancers. This study was aimed to investigate the effect of melittin in...
The AMPD1 Gene’s rs17602729 Polymorphism and Athletic Performance in Track and Field Athletes
20/01/2024 - The aim of the current study was to determine whether the rs17602729 polymorphism in the Adenosine monophosphate deaminase-1 (AMPD1) gene is related to elite athlete performance. A total of 60 elite...
Study on Influencing Factors of Nicotinamide Transdermal Absorption In Vitro and the Establishment of an Evaluation Method
17/01/2024 - The goal of this research was to study the factors influencing the in vitro transdermal penetration of nicotinamide and to establish an evaluation method for the in vitro transdermal absorption of...
Development of Biodegradable Poly(butylene succinate) Based Nanofibrous Webs via Solution-Blow Spinning Technology for N95 Respiratory Filters
11/01/2024 - As a result of the COVID-19 outbreak, millions of people are wearing face masks (including disposable surgical face masks), and many used masks, particularly disposable masks, are entering the...
Characterization of Tannic Acid-Coated AZ31 Mg Alloy for Biomedical Application and Comparison with AZ91
10/01/2024 - Magnesium alloys are promising materials for bioresorbable implants that will improve patient life and reduce healthcare costs. However, their clinical use is prevented by the rapid degradation and...
Magnesium Hydroxide as a Versatile Nanofiller for 3D-Printed PLA Bone Scaffolds
09/01/2024 - Polylactic acid (PLA) has attracted much attention in bone tissue engineering due to its good biocompatibility and processability, but it still faces problems such as a slow degradation rate, acidic...