Results 231 to 240 of about 22,487 (287)

Multimodal Photoswitchable Modulation of Insect Glutamatergic Transmission by Quaternary Ammonium Azobenzenes. [PDF]

ACS Omega
Fedorova I, Tikhonov D, Nikolaev M.
europepmc   +1 more source

SuperBola Cationic Biocides with an Extended Bolaamphiphilic Structure: How Much Is Too Much? [PDF]

ACS Infect Dis
Muldagaliyeva AY, Talbot DE, Bezold EL, Wuest WM, Minbiole KPC.   +4 more
europepmc   +1 more source

Active transport of quaternary ammonium compounds into bile

American Journal of Physiology-Legacy Content, 1963
The quaternary ammonium ion, procaine amide ethobromide (PAEB), administered intravenously (5 mg/kg) to rats with ligated renal pedicles, rapidly appears in the bile in high concentrations, both as free PAEB and as conjugated PAEB. During 1 hr after administration of the compound, the biliary concentrations of free as well as conjugated compound are ...
L S, SCHANKER, H M, SOLOMON
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Determination of Quaternary Ammonium Compounds

Journal of Pharmaceutical Sciences, 1961
Abstract The official potassium ferricyanide assays of quaternary ammonium, preparations can be modified to include a potentiometric titration with silver nitrate instead of the suggested iodometric method for the determination of the excess ferricyanide. Sodium nitrite interferes with the ferricyanide assay methods.
J J, HEFFERREN, C, DIETZ
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Quaternary ammonium compounds

36. Savetovanje dezinfekcija, dezinsekcija i deratizacija jedan svet - jedno zdravlje - zbornik radova
Next to their positive role, microorganisms are associated with numerous undesirable effects, including many diseases, food spoilage, and decay. Humanity have been combating microorganisms for centuries. It was observed that water could be carried on long journeys in silver containers or with silver or copper coins, and food was preserved using salt ...
Nemanja Zdravković, Milan Ninković, Ivan Pavlović, Zorica Zdravković, Biljana Aleksić, Teodora Grujović, Oliver Radanović   +6 more
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Inclusion of Quaternary Ammonium Compounds by Calixarenes

Journal of Inclusion Phenomena and Molecular Recognition in Chemistry, 1994
In weakly polar solvents, strong association occurs between calixarene anions and tetraalkylammonium cations, with the magnitude of the observed equilibrium constants depending upon the charge on the anion, the solvent, the ring size of the calixarene and the nature of the alkyl group of the cation. Large upfield shifts of the methyl resonances of the [
Jack M. Harrowfield, William R. Richmond, Alexander N. Sobolev   +2 more
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Quaternary ammonium compounds and occupational asthma

International Archives of Occupational and Environmental Health, 2000
Quaternary ammonium compounds, among which benzalkonium chloride is one of the best-known, are commonly used as antiseptics, disinfectants, detergents and preservatives. They can cause occupational asthma, which however, has been rarely reported so far, despite wide use of these products. We report three such cases.
A, Purohit, M C, Kopferschmitt-Kubler, C, Moreau, E, Popin, M, Blaumeiser, G, Pauli   +5 more
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Quaternary Ammonium Compound Toxicity in Chickens

Avian Diseases, 1982
Two commercial White Leghorn flocks of 41,000 and 57,000 25-week-old hens experienced death losses of 676 and 1,089 birds in a week. Six birds from each flock were presented for necropsy to the Animal Disease Diagnostic Laboratory at Purdue University with a clinical history of excessive deaths, unsatisfactory production, and dehydration. Gross lesions
A S, Dhillon, R W, Winterfield, H L, Thacker   +2 more
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