An improved dental composite with potent antibacterial function [PDF]
A new BisGMA-based antibacterial dental composite has been formulated and evaluated. Compressive strength and bacterial viability were utilized to evaluate the formed composites.
Almousa, Rashed+3 more
core +1 more source
Bacterial metabolism of quaternary ammonium compounds [PDF]
Of 10 quaternary ammonium compounds tested for biodegradation by the biological oxygen demand technique, only decyl- and hexadecyltrimethylammonium bromides were decomposed by organisms derived from sewage and soil. A mixture consisting of individual strains of Pseudomonas and Xanthomonas grew in solutions containing decyltrimethylammonium bromide as ...
M Alexander, D Dean-Raymond
openaire +3 more sources
Novel Bis-Ammonium Salts of Pyridoxine: Synthesis and Antimicrobial Properties
A series of 108 novel quaternary bis-ammonium pyridoxine derivatives carrying various substituents at the quaternary nitrogen’s and acetal carbon was synthesized.
Nikita V. Shtyrlin+16 more
doaj +1 more source
A Most Unusual Zeolite Templating: Cage to Cage Connection of One Guest Molecule [PDF]
An unusual case of a diquaternary ammonium dication, with large bulky end groups built from the tropane moiety and connected by a C4 methylene chain, is found to reside in zeolite SSZ-35 (STF).
Burton, Allen W.+6 more
core +1 more source
Dual antibacterial effect of immobilized quaternary ammonium and aliphatic groups on PVC [PDF]
A coating comprising quaternary ammonium salts (QAS) and aliphatic moieties was formed on the poly(vinyl chloride) (PVC) surface in order to confer antibacterial activity. This was achieved by grafting mercaptopropyltrimethoxysilane onto PVC, followed by
Copello, Guillermo Javier+4 more
core +1 more source
Quaternary ammonium salts are the corrosion inhibitors most frequently used by the oil industry. In this study, the ultraviolet fluorescence technique was evaluated for the analysis of a quaternary ammonium salt in water as a corrosion inhibitor.
Herllaine de Almeida Rangel+1 more
doaj +1 more source
Tertiary alkylamines as nucleophiles in substitution reactions at heteroaromatic halide during the synthesis of the highly potent pirinixic acid derivative 2-(4-chloro-6-(2,3-dimethylphenylamino)pyrimidin-2-ylthio)octanoic acid (YS-121) [PDF]
YS-121 [2-(4-chloro-6-(2,3-dimethylphenylamino)pyrimidin-2-ylthio)octanoic acid] is the result of target-oriented structural derivatization of pirinixic acid.
Gabler, Matthias+1 more
core +2 more sources
Removal of quaternary ammonium compounds in ion exchange process [PDF]
The study attempted to evaluate the effectiveness of ion exchange process in cationic surfactant (benzalkonium chloride, BAC) removal from model solutions.
Klimonda Aleksandra, Kowalska Izabela
doaj +1 more source
Evaluation of Third Generation Quaternary Ammonium Compounds for the Sterilisation of Operation Theatre [PDF]
Sterilisation of operation theatre is the global method in the prevention of surgical wound infections. In recent years the first- and second-generation compounds are replaced by the third-generation quaternary ammonium compounds.
C. Naga Prashanthi+3 more
core +3 more sources
Reaction of N,N-Dimethyltryptamine with Dichloromethane Under Common Experimental Conditions. [PDF]
A large number of clinically used drugs and experimental pharmaceuticals possess the N,N-dimethyltryptamine (DMT) structural core. Previous reports have described the reaction of this motif with dichloromethane (DCM), a common laboratory solvent used ...
Dunlap, Lee E, Olson, David E
core +3 more sources