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Article
Nucleation of Methane Hydrate in the Presence of Nanofibrillar Cellulose
The possibility of slowing down gas hydrate nucleation by introducing additional surfaces into the system has been investigated. The process usually takes place at phase boundaries, i.e., the appearance of new...
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Article
Synthesis, Characterization and Application of Poly(lactic-co-glycolic acid) with a Mass Ratio of Lactic to Glycolic Segments of 52/48
Poly(lactic-co-glycolic acid)(PLGA) is one of the most representative degradable copolymers and promising drug carriers. In the current paper, the PLGAs with a lactic acid/glycolic acid(LA/GA) molar ratio of 5...
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Article
Functional Materials Based on Carboxylated Nanofibrillar Cellulose
In this work, we synthesized samples of carboxylated nanofibrillar cellulose (NFC) and a derivative that is a product of chemical crosslinking of carboxylated NFC with ethylenediamine. The results of transmiss...
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Article
Multifunctional hybrid composite films based on biodegradable cellulose nanofibers, aloe juice, and carboxymethyl cellulose
Cellulose nanofibers isolated from birch kraft pulp were incorporated into carboxymethyl cellulose-based films as a mechanical strength enhancer, and aloe juice was used as an antibacterial agent. Fourier-tran...
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Article
Novel chitosan/gelatin/oxidized cellulose sponges as absorbable hemostatic agents
Chitosan/gelatin (CG) composite sponges containing oxidized cellulose fibers (OF) crosslinked with tannic acid were fabricated by freeze-drying as hemostatic agents. The cellulose fibers were oxidized by 2,2,6...
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Chapter
Characterization of Silver/Polymer Nanocomposites
In this chapter, we mainly discussed the characterization techniques of polymer nanocomposites based on silver nanoparticles. The main characterization techniques discussed in this chapter includes various met...
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Chapter
An Overview of the Recent Developments in Hydrogels
Hydrogels are extremely hydrophilic polymers that are physically or chemically cross-linked. They exist in many types varying according to their mechanical and structural characteristics, method of synthesis, ...
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Article
Template-free synthesis of NiO skeleton crystal octahedron and effect of surface depression on electrochemical performance
In this work, we were committed to building a nickel oxide (NiO) octahedron with skeleton crystal structure as a capacitor electrode for supercapacitance through a template-free and efficient one-step process....
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Article
Composition Gradient, Structure, and Mechanical Properties of Mono Epoxy Terminated Polydimethylsiloxanes Grafted Gelatin Films
In present study, α-[3-(2,3-epoxy propoxy) propyl]-ω-butyl-polydimethylsiloxanes grafted gelatin (PGG) compositional gradient film was successfully fabricated by combining a solvent induced self-assembly proce...
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Article
Templated Synthesis and Photocatalytic Activity of ZnO/ZnS Heterojunction
Using hexagonal ZnO as template, ZnO/ZnS heterojunction has been obtained by replacing partial oxygen atoms with sulfur atoms. Its structure and surface morphology were analyzed by XRD and FESEM. The result sh...
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Article
Highly Selective and Sensitive Colorimetric and Fluorescent Chemosensor for Rapid Detection of Ag+, Cu2+ and Hg2+ Based on a Simple Schiff Base
A new reversible colorimetric and fluorescent chemosensor MMIP based on a simple Schiff base has been successfully synthesized. MMIP exhibited high selectivity and sensitivity towards Ag+, Cu2+ and Hg2+ ions with...
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Article
A novel double-layer electrospun nanofibrous membrane sensor for detecting nitroaromatic compounds
Conjugated polymer P, which was synthesized by introducing 9,9-diphenylfluorene and thiophene units into the backbone of poly(fluorenylene ethynylene), showed high sensitivity in detecting nitroaromatics. A do...
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Article
A Phenylamine-Oligothiophene-Based Fluorescent Chemosensor for Selective Detection of Hg(II)
A phenylamine-oligothiophene-based fluorescent chemosensor I3TEA was reported. This sensor exhibited highly selective and fast detection of Hg2+ ion in MeCN/H2O (8/2, v/v) solution through fluorescence quenching....
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Article
Effect of hard segment architecture on shape memory properties of polycaprolactone-based polyurethane containing azobenzene
In this work, we synthesized two kinds of polyurethanes with azobenzene as hard segments in the side chains and in the main chains. Their thermal stabilities were high enough for their shape memory application...
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Article
Fluorescent film sensor for nitroaromatics prepared via grafting a conjugated polymer on a glass slide surface
A functionalized glass sensor (G-P) was prepared for detecting nitroaromatic compounds (NACs) by chemically immobilizing a conjugated polymer P on the surface of a glass slide. The monolayer film sensor had sever...
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Article
A Fast-Responsive Fluorescent Sensor for Hg2+ with High Selectivity and Sensitivity in Aqueous Media
A fast-responsive fluorescent phenylamine-oligothiophene sensor 2TBDA was reported. This sensor exhibited highly selective and sensitive detection of Hg2+ ion in THF/H2O (7/3, v/v) solution through fluorescence q...
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Article
Synthesis and Micellization of Organosilicon Gemini Quaternary Ammonium Surfactants
A novel class of organosilicon gemini quaternary ammonium surfactant alkyl-α, ω-bis(diethyl-methyl-dimethoxy-silopropyl ammonium bromide) (α, ω = 1,4; 1,6; 1,8) was synthesized and characterized by 1H-nuclear mag...
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Article
Rheology and viscosity scaling of gelatin/1-allyl-3-methylimidazolium chloride solution
Gelatin/1-allyl-3-methylimidazolium chloride solutions are prepared by using the ionic liquid 1-allyl-3-methylimidazolium chloride as solvent. The rheological properties of the gelatin solutions have been inve...
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Article
Viscosity properties of gelatin in solutions of monovalent and divalent Salts
The viscosity behaviors of gelatin with and without salts were examined in details by a rotational viscometer and a horizontal gravitational capillary viscometer, ranging from extremely dilute to entangled reg...
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Article
Synthesis and photocatalytic activity of nanocrystalline TiO2 co-doped with nitrogen and cobalt(II)
Nitrogen-modified cobalt-doped TiO2 materials were successfully prepared via a modified sol–gel method. The structure and properties of the catalysts were characterized via X-ray diffraction (XRD), transmission e...
