Advanced materials

 

Advanced materials

Establishment of low?cost production platforms of polyhydroxyalkanoate bioplastics from Halomonas cupida J9
08/04/2024 - An efficient genome?editing approach was established in Halomonas cupida J9. H. cupida J9 was engineered to utilize xylose, a glucose?xylose mixture or corn straw hydrolysate for unsterile...
Exploring the substrate spectrum of phylogenetically distinct bacterial polyesterases
09/04/2024 - Graphical Abstract and Lay SummaryOver the last years, utilization of enzymes in degradation of polymers has emerged as an environmentally friendly asset in tackling the pressing challenges of...
Polylactic acid/epoxidized linseed oil/polypropylene grafted maleic anhydride: A promising combination of toughness and rigidity
09/04/2024 - Hybrid polymeric materials with outstanding microwave absorbing properties were prepared by in situ polymerization of aniline in the presence of EVA/CNT/GNP suspension.AbstractMicrowave?absorbing...
Driving Factors in Carbon Emission Reduction in Prefabricated Building Supply Chains Based on Structural Equation Modelling
10/04/2024 - As one of the development paths of construction industrialization, prefabricated buildings (PBs) are an important means for China’s construction industry to achieve the...
The Characterization of a Biodegradable Mg Alloy after Powder Bed Fusion with Laser Beam/Metal Processing for Custom Shaped Implants
06/04/2024 - A new Mg-Zn-Zr-Ca alloy in a powder state, intended to be used for custom shaped implants, was obtained via a mechanical alloying method from pure elemental powder. Further, the obtained powder alloy...
Electrospun Fenoprofen/Polycaprolactone @ Tranexamic Acid/Hydroxyapatite Nanofibers as Orthopedic Hemostasis Dressings
08/04/2024 - Dressings with multiple functional performances (such as hemostasis, promoting regeneration, analgesia, and anti-inflammatory effects) are highly desired in orthopedic surgery. Herein, several new...
Comprehensive study of antimicrobial polycaprolactone/clay nanocomposite films: Preparation, characterization, properties and degradation in simulated body fluid
05/04/2024 - SEM images of PCL/clay nanocomposite films before and after degradation in PBS buffer at 37°C for 45 days.Even though the biodegradability of polycaprolactone (PCL) and its nanocomposites is lower...
Mechanistic Insights into the Effects of Ureas and Monomers on the Ring-Opening Alternating Copolymerization of Epoxides and Anhydrides Catalyzed by Organic Base/Urea
03/04/2024 - Aliphatic polyester is an important polyester material with good biocompatibility and degradability, which can be synthesized through ring-opening alternating copolymerization (ROAC) of epoxides and...
Fabrication of the Flexible, Biocompatible, and Permeable Graphene/PLA Strain Sensor for Wearable Devices
30/03/2024 - Real-time human motion monitoring is of importance particularly for patients after surgery, and wearable devices should be chemically inert, nontoxic, and biocompatible to human body, and should...
Embracing Sustainability: The World of Bio-Based Polymers in a Mini Review
30/03/2024 - The proliferation of polymer science and technology in recent decades has been remarkable, with synthetic polymers derived predominantly from petroleum-based sources dominating the market. However,...
Failure mode analysis and prediction model of additively manufactured continuous carbon fiber?reinforced polylactic acid
27/03/2024 - Failure model optimization study of additively manufactured CCFRCs.Carbon fiber?reinforced composites are widely used in aerospace, rail transportation, and new energy vehicles due to their small...
Biobased Composites of Poly(Lactic Acid) Melt Compounded with Bacterial and Vegetal Nanocelluloses Incorporated through Different Strategies
25/03/2024 - In the current contribution, bacterial nanocellulose obtained from a by-product of Kombucha tea production and vegetal nanocellulose isolated from milled rice husks were employed as fillers of...
Comparing the Aging Processes of PLA and PE: The Impact of UV Irradiation and Water
22/03/2024 - The aging processes of microplastics (MPs) are prevalent in natural environments. Understanding the aging mechanisms of MPs is crucial for assessing their environmental behavior and potential risks....
Crystallinity and mechanical properties of polypropylene products foamed by microcellular injection molding process
16/03/2024 - The crosslinking of the PLA/AES blend with dicumyl peroxide in the molten state formed a tough material, suggesting the formation of PLA?g?AES.AbstractAcrylonitrile?EPDM?styrene (AES) was applied as...
Production of Polyhydroxyalkanoates for Biodegradable Food Packaging Applications Using Haloferax mediterranei and Agrifood Wastes
20/03/2024 - Polyhydroxyalkanoates (PHAs) are high-value biodegradable polyesters with thermoplastic properties used in the manufacturing of different products such as packaging films. PHAs have gained much...
Mechanical Characteristics of Individualized Biodegradable Augmentation Scaffold—In Vitro Pilot Study
20/03/2024 - The alveolar ridge reconstruction of vertical and combined bone defects is a non-predictable procedure with varying percentages of success. The greatest challenge for vertical and combined bone...
Valorization of Agro-Wastes as Fillers in PLA-Based Biocomposites for Increasing Sustainability in Fused Deposition Modeling Additive Manufacturing
20/03/2024 - The use of wheat middlings (WM) and rice husks (RH) as biofillers for mixing with poly(lactic acid) (PLA) matrix to produce new 3D-printable biocomposites was assessed. Filaments containing 10 and 20...
Isobornyl and Isocamphyl Photostabilizers in Poly(lactic acid)-Based Electrospun Fibers
20/03/2024 - In this work, electrospun polylactide fibers with new photostabilizing additives, 4-methyl-2,6-diisobornylphenol (DIBP) and N-isocamphylaniline (NICA), have been tested under the influence of UV-C...
Recent trends in the development of Polyhydroxyalkanoates (PHAs) based biocomposites by blending with different bio-based polymers
15/03/2024 - Abstract Currently, Polyhydroxyalkanoates (PHAs) especially Polyhydroxybutyrate (PHB) have gained much attention as an environmentally benign alternative to petroleum-derived...
Surface Durability of 3D-Printed Polymer Gears
17/03/2024 - This paper proposes a series of experimental determinations carried out with the aim of generating new conclusions regarding the ability of 3D-printed gears to be integrated into mechanisms without...
Enhanced Corrosion Resistance and Mechanical Durability of the Composite PLGA/CaP/Ti Scaffolds for Orthopedic Implants
15/03/2024 - In addressing the challenge of enhancing orthopedic implants, 3D porous calcium phosphate (CaP) coatings on titanium (Ti) substrates modified with poly(lactic-co-glycolic acid) (PLGA) were proposed....