Results 31 to 40 of about 16,180 (196)

Synthesis and Characterization of New Macrocyclic Polyether-Diester Ligands Containing A 4H-Pyran-4-One Subcyclic Unit [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 1999
New macrocyclic polyether-diester ligands (3-5) containing the 4H-pyran-4-one subcyclic unit have been prepared by treating various glycols with dimethyl chelidonate (10).
Aziz Shahrisa, Reza Tabrizi
doaj  

Тhe Viscosity Study of Naftifine Hydrochloride Solution with a Combination of Polyethylene Glycols

open access: yesРазработка и регистрация лекарственных средств, 2019
Introduction. Naftifin hydrochloride is an antifungal drug from the allylamine group, which is used as a drug for external use in the treatment of onychomycosis. Quickly penetrates the skin and nails.
S. I. Kosenkova   +2 more
doaj   +1 more source

Studies on Surfactants, Cosurfactants, and Oils for Prospective Use in Formulation of Ketorolac Tromethamine Ophthalmic Nanoemulsions

open access: yesPharmaceutics, 2021
Nanoemulsions (NE) are isotropic, dispersions of oil, water, surfactant(s) and cosurfactant(s). A range of components (11 surfactants, nine cosurfactants, and five oils) were investigated as potential excipients for preparation of ketorolac tromethamine (
Shahla S. Smail   +4 more
doaj   +1 more source

A Case Report of Angioedema and Anaphylactic Shock Induced by Ingestion of Polyethylene Glycol [PDF]

open access: yes, 2020
Introduction: We report one of few documented cases of a severe anaphylactic reaction with angioedema to polyethylene glycol (PEG).Case Report: The patient presented 30 minutes after onset of his symptoms and quickly developed hypoxia and hypotension ...
Osborn, Lesley, Rossi, Amy
core  

Kinetic Analysis of the Hydrogenolysis of Lower Polyhydric Alcohols: Glycerol to Glycols [PDF]

open access: yes, 2003
The production of ethylene glycol and propylene glycol from higher polyhydric alcohols has been parametrically examined numerous times. However, efforts to develop improved catalyst systems require a better understanding of the reaction mechanism ...
Lahr, Daniel   +2 more
core   +3 more sources

Refined exposure assessment of polyethylene glycol (E 1521) from its use as a food additive [PDF]

open access: yes, 2018
The EFSA Panel on Food Additives and Nutrient Sources added to Food (ANS) provides a scientific opinion on the refined exposure assessment of polyethylene glycol (E 1521) when used as a food additive.
Aggett, Peter   +24 more
core   +1 more source

Biocompatible and bioadhesive hydrogels based on 2-hydroxyethyl methacrylate, monofunctional poly(alkylene glycol)s and itaconic acid [PDF]

open access: yesHemijska Industrija, 2007
New types of hydrogels were prepared by the radical copolymerization of 2-hydroxyethyl methacrylate, itaconic acid and four different poly(alkylene glycol) (meth)acrylate components (Bisomers) in a water/ethanol mixture as solvent.
Mićić Maja M.   +3 more
doaj   +1 more source

Ethylene glycol intoxication following brake fluid ingestion complicated with unilateral facial nerve palsy: a case report

open access: yesJournal of Medical Case Reports, 2019
Background Brake oil is an automobile transmission fluid composed of a mixture of toxic alcohols such as ethylene glycols and glycol ethers. Both accidental and intentional ingestion cases have been reported and they can present with multisystem ...
B. M. D. B. Basnayake   +5 more
doaj   +1 more source

Characteristics of MEG Removal from Industrial Wastewater by Sequencing Batch Reactor (SBR) [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2020
Background: MEG is extensively applied in the sour gas industry as a hydrate inhibitor. It is toxic in oral drinking and serious injury or death may result from swallowing of pure ethylene glycol and poses a potential hazard to the environment through ...
Saeid Vosugh Mahmoudi   +5 more
doaj   +1 more source

Effect of Dispersion Solvent in Catalyst Ink on Proton Exchange Membrane Fuel Cell Performance

open access: yesInternational Journal of Electrochemical Science, 2011
The effects of dispersion solvents in catalyst ink on performance of the membrane electrode assembly (MEA) for proton exchange membrane fuel cell are studied.
De-Chin Huang   +8 more
doaj   +1 more source

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