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Rational Design and Preparation of Functional Hydrogels ...

Rational Design and Preparation of Functional Hydrogels ...

Jan 01, 2021 · Brushing cationic polyelectrolyte poly (dially ldimethyl ammonium chloride) onto bacterial cellulose via surface-initiated atom transfer radical polymerization could impart a sustained antimicrobial activity to the resultant hydrogels (Yang Z. et al., 2021).
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Biodegradable PLGA Microcarriers for Injectable Delivery ...

Biodegradable PLGA Microcarriers for Injectable Delivery ...

Jan 01, 2004 · Poly(d,l‐lactic‐ co‐glycolic acid) (PLGA) microspheres were prepared by an oil/water emulsion solvent evaporation method to use as an injectable microcarrier for cell delivery. Three different kinds of PLGA microspheres having hydrophobic, negatively charged, and positively charged surfaces were prepared. Hydrophobic and negatively charged PLGA …
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Hydrogels with cylindrically symmetric ... - Europe PMC

Hydrogels with cylindrically symmetric ... - Europe PMC

Jul 01, 2010 · A hydrogel with cylindrically symmetric structure at macroscopic scale has been developed by polymerization of a cationic monomer in the presence of a small amount of semi-rigid polyanion poly(2,2'-disulfonyl-4,4'-benzidine terephthalamide) (PBDT) in a cylinder glass tube.
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Epoxy Resin & Hardener - Araldite Epoxy Resin & Hardener ...

Epoxy Resin & Hardener - Araldite Epoxy Resin & Hardener ...

Araldite Epoxy Resin & Hardener. we are engaged in the distributing, exporting and importing of high quality araldite by hunstman. the range is quality oriented and quality tested in our in-built laboratories by experts and professionals. It is mainly used as …
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Advances in biomineralization-inspired materials for hard ...

Advances in biomineralization-inspired materials for hard ...

Dec 07, 2021 · The intrafibrillar minerals are plate-shaped nanocrystals with their c-axes oriented along the ... 186,187 or self-etch adhesive, 188,189 fabricating carrier ... a …
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Preparation of Cationic Polyelectrolytes by Spontaneous ...

Preparation of Cationic Polyelectrolytes by Spontaneous ...

Abstract. In recent years the preparation and study of cationic polyelectrolytes have been of considerable interest. This field has recently been reviewed (1), and it can be noted that the syntheses of these water-soluble polyions has been concerned primarily with the preparation of ionene polymers (2) by polycondensation reactions, with the polymerization of cationic vinyl …
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Preparation and characterization of polyelectrolyte ...

Preparation and characterization of polyelectrolyte ...

A polyelectrolyte multilayer (PEM) coating was fabricated via the alternate deposition of collagen (Col) and poly (γ-glutamic acid) (γ-PGA) onto 316L stainless steel with chitosan as a barrier in the middle layer using spin-assisted layer-by-layer assembly. ... Chitosan (CS) is a natural cationic polysaccharide composed of poly-β (1–4)-D ...
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Polyelectrolyte multilayers containing photoreactive ...

Polyelectrolyte multilayers containing photoreactive ...

Oct 01, 1997 · The synthesis of a photocrosslinkable polycation and its use in the assembly of alternating polyelectrolyte multilayers are described. Characterization by UV/VIS spectroscopy and time‐of‐flight secondary ion mass spectroscopy (ToF‐SIMS) reveals the influence of the crosslinking on the physical properties of the build‐ups. Remarkably, the assembly of such …
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Stratified Interpolyelectrolyte Complexes: Fabrication ...

Stratified Interpolyelectrolyte Complexes: Fabrication ...

Sep 04, 2014 · Johansson, E., Blomberg, E., Lingstrom, R., Wägberg, L.: Adhesive interaction between polyelectrolyte multilayers of polyallylamine hydrochloride and polyacrylic acid studied using atomic force microscopy and surface force apparatus. Langmuir 25, …
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Self-Assembly of Stiff, Adhesive and Self-Healing Gels ...

Self-Assembly of Stiff, Adhesive and Self-Healing Gels ...

Colquhoun et al. in 2008 for the first time introduced the self-healable hydrogels based on p-p stacks [88]. Then the same group developed another self-healing Fig. 3.
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Philippine Anionic Polyacrylamide Manufacturer

Philippine Anionic Polyacrylamide Manufacturer

Anionic / Cationic Polyacrylamide Water Treatment PHPA High Viscosity Cationic PAM Description: PHPA is partially hydrolyzed anionic polyacrylamide (PHPA), which is a water soluble polymer formed from acrylamide (a compound with the molecular formula C3H5NO) subunits.PHPA has a big range of high molecular weight from million, with an anionic
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Cationic polyelectrolytes | SpringerLink

Cationic polyelectrolytes | SpringerLink

Cationic polyelectrolytes. IX. New aspects of poly(N,N-dialkylaminoalkylacrylamides) synthesis via nitrile group reaction of polyacrylonitrile with N,N-dialkylaminoalkylamines. Stela Drăgan 1, G. Grigoriu 1 & I. Petrariu 1 Polymer Bulletin volume 27, pages 17–24 (1991)Cite this article
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Highly Transparent, Self-Healing, and Self-Adhesive Double ...

Highly Transparent, Self-Healing, and Self-Adhesive Double ...

Feb 07, 2022 · Hydrogel-based flexible electronic devices are essential in future healthcare and biomedical applications, such as human motion monitoring, advanced diagnostics, physiotherapy, etc. As a satisfactory flexible electronic material, the hydrogel should be conductive, ductile, self-healing, and adhesive. Herein, we demonstrated a unique design of mechanically resilient and …
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Cationic Polyelectrolyte - Cationic Polyelectrolyte ...

Cationic Polyelectrolyte - Cationic Polyelectrolyte ...

Find here listing of cationic polyelectrolyte manufacturers, suppliers, dealers & exporters across India offering wide range of cationic polyelectrolyte at best price.
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Effect of cationic polyelectrolytes addition in cement ...

Effect of cationic polyelectrolytes addition in cement ...

the polyelectrolyte charges, facilitates the distribution of calcium and sodium ions in the entire space between C-S-H surfaces; this allows the cohesive forces exist at greater distances of separation between the surfaces. Keywords: cement cohesion, molecular simulation, cationic polyelectrolytes, osmotic pressure, primitive model.
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Polyelectrolyte Membranes | Request PDF

Polyelectrolyte Membranes | Request PDF

The efficiency of pervaporation membranes can be significantly improved by varying the type of polyelectrolyte pairs and the application conditions (the deposited bilayer numbers, ionic strength ...
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Micropatterned polyelectrolyte nanofilms promote alignment ...

Micropatterned polyelectrolyte nanofilms promote alignment ...

Feb 01, 2013 · Read "Micropatterned polyelectrolyte nanofilms promote alignment and myogenic differentiation of C2C12 cells in standard growth media, Biotechnology and Bioengineering" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
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Light-induced dynamic shaping and self-division of ...

Light-induced dynamic shaping and self-division of ...

Jan 23, 2017 · The latter process occurs via UV-induced self-division along with retention of functional molecules within the polyelectrolyte-surfactant matrix, suggesting a future route to the design of new types of adaptive hybrid materials based on the self-assembly and azobenzene photomechanics of polyelectrolyte-surfactant microparticles.
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Tyler Guin - Senior Research Engineer - LinkedIn

Tyler Guin - Senior Research Engineer - LinkedIn

rporating amine salts into the cationic polyelectrolyte and its associated rinse, LbL clay-containing ocomposite films can achieve much greater thickness (>1 μm) with relatively few ...
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turkey emulsifier Suppliers & Manufacturers

turkey emulsifier Suppliers & Manufacturers

Product/Service:Detergent Chemicals, Cosmetics Chemicals, Pharma Chemicals, Food Chemiclas, Pool Chemicals, Adhesives, , EI 4022 PVA homopolimer,EI 2002 PVA dispersion adhesive,EI 2354 PVA Lamination adhesive,EI 5025 PVA closing adhesive,EI 3013 PVA co-polymer,EI 5023 PVA adhesive,EI 4620 PVA homopolimer adhesive,EI 5099 PVA dispersion …
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COMPOSITIONS CONTAINING POLYANION, ETHOXYLATED CATIONIC ...

COMPOSITIONS CONTAINING POLYANION, ETHOXYLATED CATIONIC ...

Jul 27, 2016 · 3: The aqueous composition according to claim 1, wherein the polyanion (a) and the ethoxylated cationic polymer (b) are dissolved in the aqueous composition and wherein the polyanion (a) is a polymer comprising acid groups neutralized with at least one base selected from the group consisting of inorganic bases and monovalent organic bases and said polymer …
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Polyelectrolyte Complexes (PECs) for Biomedical ...

Polyelectrolyte Complexes (PECs) for Biomedical ...

Jan 26, 2017 · Abstract. Polyelectrolytes are a class of macromolecules which spontaneously acquire a net positive or negative charge when dissolved in an appropriate polar solvent such as water. Polyelectrolytes can co-react in aqueous solutions and form polyelectrolyte complexes (PECs) or polysalts, which resemble general self-assembly processes.
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Biomimetic hydration lubrication with ... - ScienceDirect

Biomimetic hydration lubrication with ... - ScienceDirect

Here, we asked whether (1) the hydrophilic polymer or polyelectrolyte characteristics (i.e., nonionic, cationic, anionic, or zwitterionic) would affect the hydration- and friction-kinetics of the hydration layer and (2) the hydration lubrication characteristics of the polyelectrolyte layers might assure the durability of artificial hips.
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Preparation of cationic polyelectrolyte grafted polyvinyl ...

Preparation of cationic polyelectrolyte grafted polyvinyl ...

Aug 26, 2019 · Preparation of cationic polyelectrolyte grafted polyvinyl alcohol-formaldehyde macroporous hydrogels and their antibacterial properties Xu Yang , ab Di Sha , a Jiuduo Xu , a Niu Niu , c Kai Shi , a Yanxiong Pan , a Cong Yu , c Hua Wei , d Baolong Wang * a and Xiangling Ji * ab
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Electrochemical behaviour of cationic ... - DeepDyve

Electrochemical behaviour of cationic ... - DeepDyve

Sep 21, 2014 · The behaviours of several cationic polyelectrolytes (chitosan; polyquaternium-4; diethylaminoethyl dextran; polyquaternium-10, and aminoacrylmethacrylate copolymer, Eudragit® E100) at a polarised liquid/liquid interface are analysed and compared in the present paper. Based on the analysis of the voltammetric results, it was possible to determine some of the …
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China Polyacrylamide manufacturer, Anionic Polymer ...

China Polyacrylamide manufacturer, Anionic Polymer ...

Apr 24, 2017 · We offer fuuding anionic, cationic, nonionic, zwitterions and emulsion whereas these products have been recognised by clients with their achievement and breakthroughs in the fields of water treatment, paper making, mining and smelting, oil drilling and many other industrial fields.
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Light-induced dynamic shaping and ... - Scientific Reports

Light-induced dynamic shaping and ... - Scientific Reports

Jan 23, 2017 · Light-induced shape transformations represent a fundamental step towards the emergence of adaptive materials exhibiting photomechanical behaviours. Although a range of covalent azobenzene-based ...
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Förster Resonance Energy Transfer-Mediated Globular ...

Förster Resonance Energy Transfer-Mediated Globular ...

Nov 20, 2019 · Commercially available anionic polyelectrolyte PSS (M w ≈ 70 kDa, Catalog No. 243051) and cationic polyelectrolyte PDADMAC (M w ≈ 250 kDa, Catalog No. 409014) were purchased from Sigma Aldrich. The concentrations of polyelectrolyte solutions were chosen in such a way that the obtained molar ratios ( n – / n + ) were ≈0.4, 0.67, 0.75 ...
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INTERACTIONS BETWEEN CATIONIC POLYELECTROLYTE …

INTERACTIONS BETWEEN CATIONIC POLYELECTROLYTE …

commercial cationic PE, Fennopol K3400R (manufacturer Kemira). It is a water-soluble copolymer of acrylamide and acryloxyethyltrimethyl ammonium chloride (Fig. 1) with a charge of approximately 1 meq/g and a molecular weight approximately 7 Mg/mol. Hereafter in this paper, the name PE-1 is used for the product. A 0.5% stock solution of
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Polyelectrolyte complexation between cationic and anionic ...

Polyelectrolyte complexation between cationic and anionic ...

Apr 01, 2014 · Polyelectrolyte complexation between cationic and anionic polyelectrolytes with complementary polymer-bound reactive groups of amine and acetoacetate: effect of mono- and divalent salts. Mohammad A. Jafar Mazumder 1 Iranian Polymer Journal volume 23, pages 445–455 (2014)Cite this article
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Polyurethane types, synthesis and applications – a review ...

Polyurethane types, synthesis and applications – a review ...

Polyurethane types, synthesis and applications – a review. John O. Akindoyo * a, M. D. H. Beg * a, Suriati Ghazali * a, M. R. Islam * b, Nitthiyah Jeyaratnam a and A. R. Yuvaraj c a Faculty of Chemical and Natural Resources Engineering, Universiti Malaysia Pahang Lebuhraya Tun Razak, Gambang 26300, Kuantan, Malaysia. E-mail: [email protected]; [email protected] b …
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