Results 1 to 10 of about 12,249 (253)
Biological Activity of Quaternary Ammonium Salts and Their Derivatives [PDF]
Besides their positive role, microorganisms are related to a number of undesirable effects, including many diseases, biodeterioration and food spoilage, so when their presence is undesired, they must be controlled.
Dobrawa Kwaśniewska +2 more
doaj +6 more sources
Microwave Synthesis of Quaternary Ammonium Salts [PDF]
The microwave synthesis of several quaternary ammonium salts is described. The synthesis provides comparable or better yields than published methods with reduced reaction times and in the absence of solvent.
Deveine Toney +3 more
doaj +5 more sources
Hydrogenation of Alkynes and Olefins Catalyzed by Quaternary Ammonium Salts [PDF]
Catalytic hydrogenation of unsaturated hydrocarbons to alkenes and alkanes using molecular hydrogen is one of the most fundamental transformations in organic synthesis.
Qi Guo +7 more
doaj +2 more sources
Anti-SARS-CoV-2 Activity of Surgical Masks Infused with Quaternary Ammonium Salts [PDF]
The SARS-CoV-2 pandemic has highlighted the need for protective and effective personal protective equipment (PPE). Research has shown that SARS-CoV-2 can survive on personal protective equipment, such as commonly used surgical masks.
Gary S. Selwyn +2 more
doaj +2 more sources
The synthesis and spectroscopic characterisation of some representative N-alkylsubstituted quaternary ammonium salts derived from benzothiazole, benzoxazole, benzoselenazole, indole and quinoline are described.
P. Almeida +4 more
doaj +3 more sources
Synthesis, Structure, Surface and Antimicrobial Properties of New Oligomeric Quaternary Ammonium Salts with Aromatic Spacers [PDF]
New dimeric, trimeric and tetrameric quaternary ammonium salts were accomplished by reaction of tertiary alkyldimethyl amines with appropriate bromomethylbenzene derivatives.
Bogumił Brycki +5 more
doaj +2 more sources
Modern chemical disinfectants and antiseptics. Part II
Aim. To generalize and systematize information on the properties of modern chemical disinfectants and antiseptic agents (DA and AA) – peroxide compounds, surfactants, salts of heavy metals and metals of variable valence in the highest oxidation state ...
Vasyl M. Britsun +3 more
doaj +1 more source
Review on Application of Quaternary Ammonium Salts for Gas Hydrate Inhibition
Gas hydrate solids occurrence is considered as one of the serious challenges in flow assurance as it affects the hydrocarbon production significantly, especially in deep water gas fields. The most cost-effective method to inhibit the formation of hydrate
Haizatul Hafizah Hussain, Hazlina Husin
doaj +1 more source
Recent advances in the application of quaternary ammonium compounds in biomedical materials
Microbial infections affect people worldwide. Quaternary ammonium salts serve antibacterial, antifungal,antiviral, anti⁃matrix metalloproteinase and polymerization functions. While the modification of biomaterials with quater⁃ nary ammonium salts cannot
JIAO Yang, CHEN Jihua
doaj +1 more source
Tertiary amines 3-(dialkylamino)-2-hydroxypropyl 4-[(alkoxycarbonyl)amino]benzoates and their quaternary ammonium salts were synthesized. The final step of synthesis of quaternary ammonium salts was carried out by microwave-assisted synthesis.
Tereza Padrtova +9 more
doaj +1 more source

