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Biomimetic ECM nerve guidance conduit with dynamic 3D interconnected porous network and sustained IGF-1 delivery for enhanced peripheral nerve regeneration and immune modulation.
Mater Today Bio
February 2025
Department of Orthopedics and Trauma, Peking University People's Hospital, Beijing, 100044, China.
Recent advancements in tissue engineering have promoted the development of nerve guidance conduits (NGCs) that significantly enhance peripheral nerve injury treatment, improving outcomes and recovery rates. However, utilising tailored biomimetic three-dimensional (3D) topological porous structures combined with multiple bio-effect neurotrophic factors to create environments similar to neural tissues, regulate local immune responses, and develop a supportive microenvironment to promote peripheral nerve regeneration and repair poses significant challenges. Herein, a biomimetic extracellular matrix (ECM) NGC featuring an interconnected 3D porous network and sustained delivery of insulin-like growth factor-1 (IGF-1) is designed using multi-functional gelatine microcapsules (GMs).
View Article and Find Full Text PDFCompetitive Coordination and Dual Interphase Regulation of MOF-Modified Solid-State Polymer Electrolytes for High-Performance Sodium Metal Batteries.
Angew Chem Int Ed Engl
January 2025
Key Laboratory of Advanced Energy Materials Chemistry, College of Chemistry, Weijin Road 94, 300071, Tianjin, CHINA.
Article Synopsis
- Solid-state polymer electrolytes (SPEs) are gaining attention for sodium metal batteries (SMBs) due to their flexibility and lower interfacial resistance, but they struggle with sodium ion conductivity and unstable interfaces.
- A novel composite electrolyte called PPNM is created by integrating a 3D copper metal organic framework (Cu-MOF) with polyacrylonitrile (PAN) fibers and polyethylene oxide (PEO), enhancing ionic conductivity and sodium ion movement.
- The improved stability and performance of the PPNM electrolyte lead to strong cycling results for Na3V2(PO4)3@C/PPNM/Na full cells, making it a promising strategy for advancing solid-state SMB technology.
Imine-Linked 3D Covalent Organic Framework Membrane Featuring Highly Charged Sub-1 nm Channels for Exceptional Lithium-Ion Sieving.
Adv Mater
January 2025
College of Energy, Key Laboratory of Core Technology of High Specific Energy Battery and Key Materials for Petroleum and Chemical Industry, Soochow University, Suzhou, 215006, China.
Coupling ion exclusion and interaction screening within sub-nanoconfinement channels in novel porous material membranes hold great potential to realize highly efficient ion sieving, particularly for high-performance lithium-ion extraction. Diverse kinds of advanced membranes have been previously reported to realize this goal but with moderate performance and complex operations gained. Herein, these issues are circumvented by preparing the consecutive and intact imine-linked three-dimensional covalent organic framework (i.
View Article and Find Full Text PDFConfining CoSe/MoSe2 Heterostructures in Interconnected Carbon Polyhedrons for Superior Potassium Storage.
ChemSusChem
January 2025
Jilin University, School of Materials Science and Engineering, Renmin street 5988, School of Materials Science and Engineering, Jilin University, 130022, Changchun, CHINA.
Metal selenides hold promise as feasible anode materials for potassium-ion batteries (PIBs), but still face problems such as poor potassium storage kinetics and dramatic volume expansion. Coupling heterostructure engineering with structural design could be an effective strategy for rapid and stable K+ storage. Herein, CoSe/MoSe2 heterojunction encapsulated in nitrogen-doped carbon polyhedron and further interconnected by three-dimensional nitrogen-doped carbon nanofibers (CoMoSe@NCP/NCFs) is ingeniously constructed.
View Article and Find Full Text PDFNatural starches suitable for 3D printing: Rhizome and seed starch from Millettia speciosa champ, a non-conventional source.
Carbohydr Polym
March 2025
College of Light Industry and Food Engineering, Guangxi University, Nanning 530004, China. Electronic address:
The demand for exploring and investigating novel starches for various applications has been high, yet starches abundant in Millettia speciosa Champ (M. speciose) plants have barely been studied. This study aims to investigate the multiscale structure and physicochemical properties, especially good hot-extrusion 3D printability of M.
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