In this study, multifunctional mussel-inspired self-coated membranes with remarkable blood and cell compatibilities are prepared by a facile green approach. A highly sulfonated linear heparin-like polymer (HepLP, poly(sodium 4-vinylbenzenesulfonate)-co-poly(sodium methacrylate)) heparin chosen for the heparin-mimicking coating, respectively. Firstly, DA is grafted onto backbone of HepLP or to obtain (DA-g-HepLP) (DA-g-Hep) means carbodiimide chemistry method. Then, DA-g-HepLP DA-g-Hep used...

This study presents the fabrication of multifunctional nanolayers on biomedical membrane surfaces by using LBL self-assembly nanogels and heparin-like polymers.

Research on the interface self-assembly of functional layers is fuelled by diverse biomedical needs, like drug encapsulation and release, stem cell proliferation differentiation, tissue cultures, as well artificial organs. In this study, a novel biocompatible 3D composite layer fabricated membrane substrate layer-by-layer (LBL) graphene-based 2D supermolecules. The supermolecules are prepared grafting poly(styrenesulfonate) (PSS, polyanion) poly(acrylamide) (PAM, polycation) onto graphene...

Research on the interactions between living systems and materials is fuelled by diverse biomedical needs, for example, drug encapsulation stimulated release, stem cell proliferation differentiation, tissue cultures, as well artificial organs.

Vegetation plays a crucial role in nature-based carbon neutrality solutions, exhibiting strong correlation with climatic factors. This study employed modified CASA (Carnegie–Ames–Stanford Approach) model to estimate Net Primary Productivity (NPP) across Cambodia, as well Baise, Guilin and Fenyang from China representing diverse zones—from 2000 2020. Spatiotemporal NPP patterns their underlying mechanisms were investigated using Theil–Sen median analysis, the Mann–Kendall test land use change...

Researches on blood purification membranes are fuelled by diverse clinical needs, such as hemodialysis, hemodiafiltration, hemofiltration, plasmapheresis, and plasma collection. To approach high-performance dialyzer, the integrated antifouling antithrombotic properties highly necessary for design/modification of advanced artificial membranes. In this study, we propose demonstrate that physical blend triblock polyurethane (PU) polyethersulfone (PES) may advance performance hemodialysis with...

Functional polymers bear specified chemical groups and have physical, chemical, biological, pharmacological, or other uses. To adjust the properties while keeping material usage low, a method for direct synthesis of functional is indispensable. Here we show that various can be synthesized by in situ cross-linked polymerization/copolymerization. We demonstrate facile using different monomers own outstanding pH-sensitivity pH-reversibility, antifouling property, antibacterial anticoagulant...

Applications of blood purification membranes are fuelled by diverse clinical needs, such as hemodialysis, hemodiafiltration, hemofiltration, plasmapheresis, and plasma collection. For usage, the adding polyvinylpyrrolidone (PVP) is general protocol for design antifouling antithrombotic properties integrated artificial membranes. In present work, to insight into detailed surface compatibilities PVP blended composite membranes, we synthesized a series polymers with different molecular weights...

In this study, we provide a new method to modify poly(ether sulfone) (PES) membrane with good biocompatibility, for which diazotized PES (PES-N2+) is covalently coated by negatively charged copolymer of sodium sulfonated poly(styrene-alt-maleic anhydride) (NaSPS-MA). First, aminated (PES-NH2) synthesized nitro reduction reaction nitro-PES (PES-NO2), and then blends pristine prepare PES/PES-NH2 membrane; the treated NaNO2 aqueous solution at acid condition; after surface diazo reaction,...

By using eucalyptus wood biotemplate, a novel porous composite material of iron oxides and carbon (PC-Fe/C) was manufactured for adsorption oxoanion pollutants. The material's microstructure characteristic were investigated by different characterization techniques. experimental results show that the PC-Fe/C mainly consisted hematite, magnetite, carbon, preserved hierarchical texture with 70 ∼ 120 µm macropores, 4.1 6.4 mesopores, 0.1 1.3 micropores. Its Brunauer-Emmtee-Teller (BET) surface...

Abstract In wastewater treatment, membrane technology is called a major in the field of water treatment 21st century. With development and other emerging technologies combination, microfiltration widely used various types such as radioactive heavy metal wastewater. The application described. It provides solid guarantee for deepening research treatment.

ABSTRACT Excellent biocompatible polymeric membranes were prepared by combining the antifouling property of poly(ethylene glycol) methyl ether (mPEG) and anticoagulant poly(sodium p ‐styrene sulfonate) (PSS). Block copolymers ether‐ b ‐poly(sodium (mPEG‐ ‐PSS) with different chain lengths synthesized ATRP using mPEG macroinitiator. The then used to modify polyethersulfone (PES) membrane via layer‐by‐layer (LBL) self‐assembly technology. chemical compositions, surface morphologies...

AbstractA porous biomorph–genetic composite of α-Fe2O3/Fe3O4/C (PBGC-Fe/C) with eucalyptus wood hierarchical microstructure was prepared and characterized. The result indicated that the PBGC-Fe/C material retained structure three different types pores (widths 70–120, 4.1–6.4 0.1–1.3 μm) originating from vessels, fibres, pits wood, respectively. Batch experiments were conducted to evaluate effects parameters on Cr(VI) adsorption systematically. With increasing initial concentration 10 150...

In this study, the influence of variations in chain length polyvinylpyrrolidone (PVP) brushes on blood compatibility silicon wafer surfaces to which they were chemically attached was studied. Si functionalized with various lengths PVP brush using atom transfer radical polymerization technology and confirmed by elliptical polarized light, force microscopy, X‐ray photoelectron spectroscopy. The these biointerfaces systematically investigated measuring protein adsorption, clotting time,...

In this study, we have provided a highly efficient, convenient, and universal protocol for preparing polyvinylidene fluoride (PVDF) membranes with low blood contact activation via in situ cross‐linking copolymerization of 2‐hydroxyethl methacrylate (HEMA) acrylic acid (AA) solution PVDF. The modified were prepared from PVDF by phase inversion technology. composition morphology the confirmed attenuated total reflectance‐Fourier transform infrared (ATR‐FTIR) spectroscopy, thermogravimetric...