Results 31 to 40 of about 1,871,225 (278)

Growth of lactococci relative to antibiotic and quaternary ammonium compounds [PDF]

The work presented in this thesis is concerned with the effect of several antibiotics and quaternary ammonium sanitizers upon growth of lactic acid bacteria.
Valladao, Marilin
core   +6 more sources

Titrimetric methods for determining cationic surfactants

Журнал органічної та фармацевтичної хімії, 2022
Aim. To generalize and systematize information on titrimetric methods for determining quaternary ammonium compounds (QACs). Results and discussion.
Mykola Ye. Blazheyevskіy, Ewa J. Bulska, Andrii M. Tupys, Olena V. Koval’ska   +3 more
doaj   +1 more source

Crystal structures of bacterial small multidrug resistance transporter EmrE in complex with structurally diverse substrates

eLife, 2022
Proteins from the bacterial small multidrug resistance (SMR) family are proton-coupled exporters of diverse antiseptics and antimicrobials, including polyaromatic cations and quaternary ammonium compounds.
Ali A Kermani, Olive E Burata, B Ben Koff, Akiko Koide, Shohei Koide, Randy B Stockbridge   +5 more
doaj   +1 more source

Synthesis and Correlation of Aggregation and Antimicrobial Properties of Homochiral Quaternary Ammonium Bromides Derived from Camphoric Acid

European Pharmaceutical Journal, 2021
A group of homochiral quaternary ammonium salts bearing hydrophobic camphoric acid-derived moiety was synthesized and characterized. The aggregation properties of the prepared compounds were evaluated by surface tension measurements, and the critical ...
Mikláš R., Miklášová N., Bukovský M.   +2 more
doaj   +1 more source

Synthesis of Novel Quaternary Ammonium Salts and Their in Vitro Antileishmanial Activity and U-937 Cell Cytotoxicity

Molecules, 2016
This work describes the synthesis of a series of quaternary ammonium salts and the assessment of their in vitro antileishmanial activity and cytotoxicity.
Sandra M. Duque-Benítez, Luz Amalia Ríos-Vásquez, Rogelio Ocampo-Cardona, David L. Cedeño, Marjorie A. Jones, Iván D. Vélez, Sara M. Robledo   +6 more
doaj   +1 more source

quaternary ammonium compounds

, 2014
Citation: 'quaternary ammonium compounds' in the IUPAC Compendium of Chemical Terminology, 3rd ed.; International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. 10.1351/goldbook.Q05003 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms ...
Lennart Kaj, Petra Wallberg, Eva Brorström-Lundén   +2 more
openaire   +3 more sources

Novel Bis-Ammonium Salts of Pyridoxine: Synthesis and Antimicrobial Properties

Molecules, 2020
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, Mikhail V. Pugachev, Sergey V. Sapozhnikov, Marsel R. Garipov, Rusalia M. Vafina, Denis Y. Grishaev, Roman S. Pavelyev, Renata R. Kazakova, Mariya N. Agafonova, Alfiya G. Iksanova, Svetlana A. Lisovskaya, Marina I. Zeldi, Elena S. Krylova, Elena V. Nikitina, Alina E. Sabirova, Airat R. Kayumov, Yurii G. Shtyrlin   +16 more
doaj   +1 more source

Critical Coalescence Concetration (CCC) as a parameter for evaluation of selected quaternary ammonium compounds [PDF]

, 2013
The objective of this paper was to determine the Critical Coalescence Concentration (CCC) of surfactants such as N(dodecyloxycarboxymethyl) N,N,N-(trimethylammonium) bromide (DMGM- 12), N-[2-(dodecyoxycarboxy)ethyl] N,N,N-(trimethylammonium) bromide ...
Szyszka, D., Danuta Szyszka
core   +1 more source

Adsorption and Aggregation Behavior of Mixtures of Quaternary-Ammonium-Salt-Type Amphiphilic Compounds with Fluorinated Counterions and Surfactants

, 2021
The surface adsorption and aggregation behavior of a mixture of quaternary-ammonium-salt-type amphiphilic monomeric compounds (C4 FSA, C8 FSA, and C4 NTf2) or gemini compounds (C10-2-C4 FSA) and various surfactants (nonionic hexaoxyethylene dodecyl ether
Risa Kawai (494245), Tomokazu Yoshimura, Shiho Yada (3903907), Tomokazu Yoshimura (2070670), Risa Kawai, Shiho Yada   +5 more
core   +1 more source

Optical Control of NMethyldaspartate Receptors by Azobenzene Quaternary Ammonium Compounds

, 2021
Azobenzene-based quaternary ammonium compounds provide optical control of ion channels and are considered promising agents for regulation of neuronal excitability and for restoration of the photosensitivity of retinal cells.
Mikhail N. Ryazantsev, Maxim V. Nikolaev, Denis B. Tikhonov, Maxim V. Nikolaev (4006928), Daniil M. Strashkov (11372067), Daniil M. Strashkov, Mikhail N. Ryazantsev (1865653), Denis B. Tikhonov (2528827)   +7 more
core   +1 more source