Results 1 to 10 of about 2,647 (113)

Oxidation of Monoethylene Glycol to Glycolic Acid with Gold-Based Catalyst and Glycolic Acid Isolation by Electrodialysis [PDF]

open access: yesReactions, 2021
In this work, a highly selective and active gold-based catalyst for the oxidation of high concentrated monoethylene glycol (MEG) in aqueous solution (3 M, 20 wt%) is described.
Sarah Tschirner   +3 more
doaj   +2 more sources

Ethylene glycol and glycolic acid production from xylonic acid by Enterobacter cloacae [PDF]

open access: yesMicrobial Cell Factories, 2020
Background Biological routes for ethylene glycol production have been developed in recent years by constructing the synthesis pathways in different microorganisms.
Zhongxi Zhang   +10 more
doaj   +5 more sources

Glycolic Acid Production Using Ethylene Glycol-Oxidizing Microorganisms

open access: yesBioscience, Biotechnology and Biochemistry, 2001
Screening for microorganisms oxidizing ethylene glycol to glycolic acid was carried out. Among stock cultures, several yeasts and acetic acid bacteria showed high glycolic acid producing activity. Pichia naganishii AKU 4267 formed the highest concentration of glycolic acid, 35.3 g/l, from 10% (v/v) ethylene glycol (molar conversion yield, 26.0%). Among
Michihiko Kataoka   +2 more
exaly   +3 more sources

THE EFFECT OF GLYCOLIC ACID AND VITAMIN C TOPICAL IN FRECKLES EFFICACY

open access: yesJurnal Kedokteran Diponegoro, 2021
Background: Freckles are small dark-spot hyperpigmentation on the face, upper body, and back of the hands. This hyperpigmentation develops as a result of melanocyte activity by the combination of genetic predisposition located on the basal layer and sun ...
Tiffani Sandradewi Wignjosoesastro   +2 more
doaj   +1 more source

Current efficiency and mass transfer effects in electrochemical oxidation of C1 and C2 carboxylic acids on boron doped diamond electrodes

open access: yesChemical Engineering Journal Advances, 2021
The oxidation of acetic, glycolic, glyoxylic, oxalic and formic acid has been studied on boron doped diamond electrodes. Our voltammetry study on rotating disk electrodes highlights clear differences between the carboxylic acids (formic, oxalic ...
Anke Arts   +2 more
doaj   +1 more source

Effect of Curcumin Loaded Poly (lactic-co-glycolic acid) Nanoparticles Versus Native Curcumin on the Healing of the Tongue Ulcer in Albino Rats (Histological, histochemical and Immuno-histochemical Study) [PDF]

open access: yesThe Egyptian Journal of Histology, 2022
Background: Curcumin is a component of turmeric, a medicinal comestible herb that possesses anti-inflammatory activity having the ability to heal oral ulcers, but its extremely low oral bioavailability hampers its application.
Eman Osman, Dahlia Rateb, Safaa Hussein
doaj   +1 more source

Comparative Study of 35% Glycolic Acid (GA) Peel versus 15% Trichloroacetic Acid (TCA) in Patients Primed with 4% Hydroquinone and Sun Block for the Treatment of Melasma

open access: yesPakistan Armed Forces Medical Journal, 2023
Objective: To compare the effects of 35% Glycolic acid (GA) peel versus 15% Trichloroacetic Acid (TCA) in patients primed with 4% Hydroquinone and sunblock for Melasma treatment. Study Design: Quasi-experimental stud.
Zaaraa Javed   +3 more
doaj   +1 more source

Electrospun Membrane Surface Modification by Sonocoating with HA and ZnO:Ag Nanoparticles—Characterization and Evaluation of Osteoblasts and Bacterial Cell Behavior In Vitro

open access: yesCells, 2022
Guided tissue regeneration and guided bone regeneration membranes are some of the most common products used for bone regeneration in periodontal dentistry.
Julia Higuchi   +8 more
doaj   +1 more source

pH-Dependent Antibacterial Activity of Glycolic Acid: Implications for Anti-Acne Formulations

open access: yesScientific Reports, 2020
Glycolic acid is the smallest alpha hydroxy acid and widely used for skincare applications, including to treat acne vulgaris. Oftentimes, high concentrations of glycolic acid (~20–50 vol%) are incorporated into chemical peels to reduce acne-related ...
Elba R. Valle-González   +4 more
doaj   +1 more source

Maleic, glycolic and acetoacetic acids-leaching for recovery of valuable metals from spent lithium-ion batteries: leaching parameters, thermodynamics and kinetics [PDF]

open access: yesRoyal Society Open Science, 2019
Environmentally friendly acid-leaching processes with three organic acids (maleic, glycolic and acetoacetic) were developed to recover valuable metals from the cathodic material of spent lithium-ion batteries (LiCoO2). The leaching efficiencies of Li and
Borui Liu   +7 more
doaj   +1 more source

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