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Polyelectrolyte Multilayer sentence examples within polyethylene alt maleic
Polyelectrolyte multilayers (PEMs) have been prepared using the strong polycation poly(diallyldimethylammonium chloride) and the weak polyanion poly(ethylene-alt-maleic acid) [P(E-alt-MA)].
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The strong polycation poly(diallyldimethylammonium chloride) (PDADMAC) and the weak polyanion poly(ethylene-alt-maleic acid) (P(E-alt-MA)) were used to build polyelectrolyte multilayers (PEMs) up to 31 layers.
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Polyelectrolyte Multilayer sentence examples within Assembled Polyelectrolyte Multilayer
The distance between these two materials is finely tuned using layer-by-layer assembled polyelectrolyte multilayer films.
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In this study, Layer-by-Layer (LbL) assembled polyelectrolyte multilayered nanoparticles were developed as a technique for targeted and controlled release of enzyme breakers.
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Polyelectrolyte Multilayer sentence examples within Acid Polyelectrolyte Multilayer
Here we report a chitosan and hyaluronic acid polyelectrolyte multilayer-based approach for the localized delivery of helical, cationic, globally amphiphilic β-peptide mimetics of antimicrobial peptides to inhibit S.
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In the present paper, a smart drug delivery platform combining the hollow hierarchical hydroxyapatite (HAP), chitosan/hyaluronic acid polyelectrolyte multilayers and Au nanorods (AuNRs) had been prepared via a layer-by-layer (LbL) technique.
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Polyelectrolyte Multilayer sentence examples within Build Polyelectrolyte Multilayer
The strong polycation poly(diallyldimethylammonium chloride) (PDADMAC) and the weak polyanion poly(ethylene-alt-maleic acid) (P(E-alt-MA)) were used to build polyelectrolyte multilayers (PEMs) up to 31 layers.
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In this work, tanfloc (TN), a cationic tannin-derivative polymer was assembled with heparin (HEP) and chondroitin sulfate (CS), using the layer-by-layer (LbL) approach, to build polyelectrolyte multilayers (PEMs) and to design cytocompatible coatings.
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Polyelectrolyte Multilayer sentence examples within Casein Polyelectrolyte Multilayer
In the present study chitosan and casein polyelectrolyte multilayers (PEMs) deposited on composite polylactic acid (PDLA) / poly(ε-caprolactone) (PEC) substrates were investigated.
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In the present paper the effect of pH and ionic strength on the immobilization and release of curcumin from chitosan and casein polyelectrolyte multilayers (PEMs) was investigated.
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Polyelectrolyte Multilayer sentence examples within polyelectrolyte multilayer film
Polyelectrolyte Multilayer sentence examples within polyelectrolyte multilayer capsule
Hydrogel capsules are a potential candidate for drug delivery and an interesting alternative to polyelectrolyte multilayer capsules which are under investigation since 20 years.
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We examined how the formulation of superparamagnetic iron oxide nanoparticles (SPIONs) impacts the labelling efficiency, magnetic characteristics and fate of the particles by comparing individual SPIONs with polyelectrolyte multilayer capsules containing SPIONs.
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Polyelectrolyte Multilayer sentence examples within polyelectrolyte multilayer thin
The TiO 2/Polyelectrolyte multilayer thin films performed extremely well in the reduction of Chemical Oxygen Demand (COD) and Total Organic Carbon (TOC) to the standards.
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The surfaces of polyethylene naphthalate (PEN) substrates were modified by ultraviolet (UV) light -irradiation and layer-by-layer assembly of polyelectrolyte multilayer thin films, and then nickel and copper films were electrolessly deposited on the substrate surfaces to form the stratified structure, PEN-substrate/multilayer/metal-film.
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Polyelectrolyte Multilayer sentence examples within polyelectrolyte multilayer nanofiltration
Polyelectrolyte multilayer nanofiltration membranes (PEMMs) achieve tailor-made rejection and selectivity of ions for water treatment applications through a layer-by-layer coating procedure, in which a charged support membrane surface is sequentially contacted with positively and negatively charged polyelectrolytes.
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We herein report a novel approach based on electrochemical impedance spectroscopy (EIS) for in-situ monitoring of the adsorption kinetics in preparing polyelectrolyte multilayer nanofiltration membranes using layer-by-layer (LbL) deposition.
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Polyelectrolyte Multilayer sentence examples within polyelectrolyte multilayer coating
To this end, we developed polyelectrolyte multilayer coatings using chitosan (CS) and DNA on biomaterial surfaces via a layer-by-layer technique.
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In vivo calvarial bone defect studies in Fgf2 knockout mice with wildtype controls were conducted with the growth factors delivered in a highly localized manner from a biomimetic calcium phosphate/polyelectrolyte multilayer coating applied to a bone graft substitute.
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A polyelectrolyte multilayers (PEMs) primer was used to enhance the initial anchoring of the ZIF-8 seed crystals on the PU surface.
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The TiO 2/Polyelectrolyte multilayer thin films performed extremely well in the reduction of Chemical Oxygen Demand (COD) and Total Organic Carbon (TOC) to the standards.
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Polyelectrolyte multilayer nanofiltration membranes (PEMMs) achieve tailor-made rejection and selectivity of ions for water treatment applications through a layer-by-layer coating procedure, in which a charged support membrane surface is sequentially contacted with positively and negatively charged polyelectrolytes.
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Gel beads loaded with Oph were synthesized from alginate, a naturally occurring biodegradable anionic polysaccharide, and coated with polyelectrolyte multilayers (from natural polyelectrolytes (chitosan and hyaluronic acid) and synthetic polyelectrolytes (poly(allylamine hydrochloride) and poly(styrene sulfonate)) or hybrid polyelectrolyte-graphene oxide multilayers.
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Thin films with tunable optical properties from yellow to metallic were prepared from a monolayer coating of silver nanoparticles (AgNP) onto a polyelectrolyte multilayer (PEM) thin film.
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The introduction of counter-ions into polyelectrolyte multilayers produced coatings mimicking the strong β-sheet structures, noncovalent intermolecular interactions, and consequently self-repair process in cephalopods.
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FGF2 release from polyelectrolyte multilayers (PEMs) was measured and the data was fit to a simple degradation model, allowing for the determination of FGF2 concentrations between 2 and 4 days of culture time.
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Polyelectrolyte multilayers (PEMs) are highly promising materials as selective separation layers on the inside of hollow fiber membranes.
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Then, textiles were impregnated in silver solution followed by a thermal treatment and were then coated by Layer-by-Layer (L-b-L) deposition of a polyelectrolyte multilayer (PEM) system consisting of anionic water-soluble poly(betacyclodextrin citrate) (PCD) and cationic chitosan.
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The science behind the build-up mechanism of polyelectrolyte multilayers is important for developing devices for various engineering applications.
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In vivo calvarial bone defect studies in Fgf2 knockout mice with wildtype controls were conducted with the growth factors delivered in a highly localized manner from a biomimetic calcium phosphate/polyelectrolyte multilayer coating applied to a bone graft substitute.
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In this study, we engineered a CDI cell with two identical NiHCF electrodes, separated by an anion–exchange membrane coated with a polyelectrolyte multilayer (PEM), for simultaneous and selective separation of monovalent over divalent anions and cations.
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Adsorption to polyelectrolyte multilayer surfaces protects PG mimics from degradation, compared to when PG mimics are combined with enzymes in solution; all surfaces are still intact after 21 days of enzyme exposure.
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Polyelectrolyte multilayer films are currently used to modify the permeation and rejection properties of thin-film composite membranes (TFC).
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In particular, the surface properties of biomaterials are manipulated via the convenient introduction of amino groups to the ester-based polymers, the formation of polyelectrolyte multilayers, and the fabrication of topology and gradient cues, etc.
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In this work, polyelectrolyte multilayers (PEMs) are prepared by alternating dip-coating of the negatively charged cellulose derivate carboxymethyl cellulose and a polycation, either polydiallyldimethylammonium chloride (PDADMAC) or chitosan (CHI).
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The use of polyelectrolyte multilayers (PEMs) as emulsifying layers at an oil-water interface has significant potential to enhance emulsion application and function.
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Polyelectrolyte complex (PEC) films such as polyelectrolyte multilayers have demonstrated excellent oxygen barrier properties, but unfortunately, the established layer-by-layer approaches are laborious and difficult to scale up.
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With the contribution of both plasmonic Au film and polyelectrolyte multilayers, these findings underscore the guideline for creating selective SERS substrate for creatinine detection.
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Based on these results, we incorporated K11R-K17R and Hst-5 into polyelectrolyte multilayer (PEM) surface coatings and demonstrated that films functionalized with K11R-K17R reduced the formation of C.
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The process employs a polyelectrolyte multilayer film that enhances the chemical affinity between the treated stone and restorative material (hydroxyapatite nanocrystals), through functionalization, while at the same time it attributes an acid resistant property to the resulting system.
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In the present contribution, we determined both the effect of grafting density and the length of alkyl chain on adsorption at water/air and water/decane interfaces, as well as on top of the polyelectrolyte multilayer (PEM) deposited on a solid surface.
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Among the unconventional approaches of supporting catalyst nanoparticles, the layer-by-layer assembly of polyelectrolyte multilayers for nanoparticle adsorption represents an easy and convenient method.
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In this study, ferulic acid-modified water soluble chitosan and poly (γ-glutamic acid) polyelectrolyte multilayers films were constructed through the layer-by-layer (LBL) self-assembly technique.
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Titania nanotubes were fabricated via an anodization process and the surfaces were further modified with polyelectrolyte multilayers (PEMs) based on Tanfloc (a cationic tannin derivative) and glycosaminoglycans (heparin and hyaluronic acid).
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The layer-by-layer (LbL) method of polyelectrolyte multilayer (PEM) fabrication is extremely versatile.
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Polyelectrolyte multilayer (PEM) assembly is a versatile tool to construct low-fouling coatings.
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Polyelectrolyte multilayers are promising drug carriers with potential applications in the delivery of poorly soluble drugs.
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8 ± 1 MPa) and were more than three times stronger than other polyelectrolyte multilayer films.
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HYPOTHESIS
Polarity in polyelectrolyte multilayers (PEMs) may vary from the inner to the top layers of the film as the charge compensation of the layers is more effective inside the PEMs than in outer layers.
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Polyelectrolyte multilayers (PEMs) consisting of the polysaccharides hyaluronic acid (HA) as the polyanion and chitosan (Chi) as the polycation were prepared with layer-by-layer technique (LbL).
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Relatively few studies, though, have employed this technique to measure water content of polyelectrolyte multilayers formed by layer-by-layer (LbL) assembly.
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This work presents a simple methodology for coating small unilamellar liposomes bearing different degrees of positive charge with polyelectrolyte multilayers using the sequential layer-by-layer deposition method.
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Polyelectrolyte multilayers (PEMs) coated on porous membrane supports have shown versatile opportunities for tailoring the resulting membrane characteristics.
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The present study involves the identification of the chemical components of graywater collected from three different environments and to investigate the efficiency of removal of some of these chemical components using ultrafiltration membranes (polyelectrolyte multilayer (PEM) membranes).
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Polyelectrolyte multilayers are versatile materials that are used in a large number of domains, including biomedical and environmental applications.
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In our study, we consider standard polyvinyl chloride (PVC) catheter surfaces and compare their properties with the properties of the same surfaces coated with poly(diallyldimethylammonium chloride)/poly(sodium 4-styrenesulfonate) (PDADMA/PSS) polyelectrolyte multilayers.
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We investigate the self-patterning of polyelectrolyte multilayers, poly(diallyldimethylammonium) (PDADMA)/poly(styrenesulfonate) (PSS)short.
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Polyelectrolyte multilayer (PEM) coatings, constructed on the surfaces of tissue engineering scaffolds using layer-by-layer assembly (LbL), promote sustained release of therapeutic molecules and have enabled regeneration of large-scale, pre-clinical bone defects.
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Polyelectrolyte multilayers (PEMs) deposited on non lyophilized and lyophilized polylactic acid (PDLA) substrates were investigated.
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As an attempt to provide optimal solution to the aforementioned problems, free-standing (FS) polyelectrolyte multilayer films (PEMs) loaded with bis[2-(4-hydroxyphenyl) benzimidazole] (BHPB) were constructed by layer-by-layer (LBL) self-assembly method.
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The results prove a successful elimination of pharmaceutical contaminants, up to 84% from drinking water, by applying a combination of polyelectrolyte multilayers and ceramic membranes.
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In the present work, we investigate the effect of surface chemistry on fouling of NF membranes based on polyelectrolyte multilayers (PEM), during the treatment of artificial produced water.
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Polyelectrolyte multilayers have received broad interests in the fields of functional coatings due to their easy deposition procedure, environmentally friendly nature and wide sensitivities to manifold external stimuli.
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In this work, we investigate surface plasmon field-enhanced fluorescence (SPF) emission from gold quantum dots (AuQDs) on a polyelectrolyte multilayer ultrathin film deposited onto an Al thin film.
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Using several types of polyelectrolyte multilayer (PEM) films constructed from polycations; Quaternized cellulose (QC) and Cationic guar gum (CGG), and poly anions; Carboxymethyl cellulose (CMC) and Polyacrylic acid (PAA), we found that doping of Cu2+, Fe2+ and Ag+ metal ions into PEM matrix occurred through the interactions with polyacids groups.
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These findings are in accordance with the results we obtained for polyelectrolyte multilayers and could be helpful for designing polyelectrolyte multilayers with tuned properties needed for various applications, primarily in the field of biomedicine.
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The polyelectrolyte multilayer (PEM) disassembled and notably enhanced drug delivery in the weak acid environment of the tumor cell.
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By introducing CaCl2-derived counterions and montmorillonite for nanobrick wall structures into polyelectrolyte multilayers stacked by layer-by-layer self-assembly, the noncovalent polymer network is increased, resulting in mimicking a strong cephalopod-derived β-sheet structure and noncovalent intermolecular interactions derived from cephalopods.
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In this work free-standing gels formed from gellan gum (GG) by solvent evaporation are coated with polysaccharide-based polyelectrolyte multilayers, using the layer-by-layer approach.