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Evaluation of the antioxidant activity of water-soluble quaternary ammonium salts containing 2,6-di-tert-butylphenol and pyridine moieties
The activity towards superoxide anion radical (O 2 ·− ) generated in an enzymatic model system upon reduction of nitro blue tetrazolium (NBT test), as...
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Synthesis, Characterization and Disinfection Efficiency Evaluation of Quaternary Ammonium Iodide Derivatives of Gum Arabic
An effective, polysaccharide-based water-soluble disinfectant was produced by chemically modifying gum arabic (GA) through various substitution...
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Hybrid nanoparticles of quaternary ammonium cellulose derivatives and citric acid for enhancing the antibacterial activity of polyvinyl alcohol composites
Quaternary ammonium compounds are active functional groups that can inhibit bacterial growth and reduce drug resistance. In this study, we prepared...
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Sodium alginate coupled with organosilane quaternary ammonium salt for the antibacterial application
Sodium alginate (SA) has been widely used in various fields of daily life. However, the lack of antibacterial properties of SA limits its further...
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UV-activated coating polymer particle containing quaternary ammonium for antimicrobial fabrics
Antimicrobial spray for material coating was developed using polymer particles containing quaternary ammonium (QA) and benzophenone (BP) groups on...
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Catalytically generated noncovalent ammonium dienolate: a versatile platform for the development of organocatalytic asymmetric cascade reactions
Organocatalytic cascade reactions represent a powerful strategy for the rapid construction of complex chiral molecules with multiple stereocenters...
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CO2/Propylene Oxide Copolymerization with a Bifunctional Catalytic System Composed of Multiple Ammonium Salts and a Salen Cobalt Complex Containing Sulfonate Anions
A (Salen)Co(III) complex tethering four quaternary ammonium salts with covalent bonds is one of the most highly active catalysts for CO 2 /epoxide...
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Highly diastereoselective synthesis of pyridinium-substituted piperidin-2-ones from pyridinium ylides, aldehydes, Michael acceptors, and ammonium acetate
A novel four-component diastereoselective synthesis of piperidin-2-one salts containing a quaternized pyridine unit is reported. The Michael–Mannich...
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Quaternary ammonium functionalized cationic polythiophene for the detection and imaging of gram-positive bacteria
The persistence of bacterial infections in humans causes severe adverse health consequences and uncertainties in the global economy. It is of great...
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The antibacterial activity and mechanism of polyurethane coating with quaternary ammonium salt
An antibacterial PU coating with QAS was developed from polycarbonate diol (PCDL), 4,4'-Diphenylmethane diisocyanate (MDI),...
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Monodisperse polystyrene microspheres containing quaternary ammonium salt groups by two-stage dispersion polymerization: effect of reaction parameters on particle size and size distribution
A facile approach to prepare monodisperse polystyrene (PS) particles containing quaternary ammonium salts with long alkyl chain was reported. The PS...
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Reactive extraction for the separation of glyceric acid from aqueous solutions with 2-naphthaleneboronic acid and tri-octyl methyl ammonium chloride
Glyceric acid (GA), a carboxylic group-containing diol, is obtained from bioresources via microbial processes. In this study, we aimed to develop a...
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Synthesis and Antimicrobial Activity Evaluation of Ammonium Acylhydrazones Based on 4,6-Di-tert-butyl-2,3-dihydroxybenzaldehyde
AbstractThe condensation reaction of 4,6-di- tert -butyl-2,3-dihydroxybenzaldehyde with some ammonium acetohydrazides yielded water-soluble...
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Benzyl- and dibenzyl tetrahydropyridinylidene ammonium salts with antiplasmodial and antitrypanosomal activity
Several 1-benzyl and 1,3-dibenzyl derivatives of tetrahydropyridinylidene salts with differing electron withdrawing substituents at the aromatic...
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Ammonium salts of microcrystalline cellulose-g-poly (acrylonitrile): toxicity, antioxidant and anti-inflammatory properties
Cellulose is an excellent starting material for the construction of bioactive polymers. In the present work, we have synthesized quaternized graft...
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Tuning Microenvironment of Quaternary Ammonium Salt and Tertiary Amine Bifunctionalized Polyacrylonitrile Fiber for Cooperatively Catalyzed Aza-Michael Addition
A series of novel polyacrylonitrile fiber catalysts modified with different ratio of quaternary ammonium salt (QA) to tertiary amine (TA) were...
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Preparation of highly active g-C3N4 supported amphiphilic quaternary ammonium phosphotungstate catalyst for solvent-free oxidative desulfurization of benzothiophene
The high efficiency amphiphilic CTAB-PW( x )/g-C 3 N 4 catalysts with different quaternary ammonium phosphotungstate (CTAB-PW) loadings ( x , wt%) were...
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Investigation into a high-p,T,c continuous flow synthesis of myristyl-γ-picolinium chloride (MGPC) – a preservative in pharmaceutical formulations
Myristyl- γ -picolinium chloride (MGPC) is an alkyl pyridine quaternary ammonium salt and a popular preservative in injectables such as Depo-Medrol...
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Functionalized Chitosan and Biomedical Devices
Chitosan is the polymerPolymers that results from the deacetylationDeacetylation of chitinChitin taken from the exoskeleton of...
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Preparation of a near-infrared radiation-sensitive coating comprising acrylate-functional poly(acrylonitrile–styrene) latex particles
A reactive quaternary ammonium salt containing double bonds, N -(2-(acryloyloxy)ethyl)- N -allyl- N , N -dimethyl-ammonium bromide (AEADAB), was synthesized...
