Results 1 to 10 of about 1,682 (151)

Polarography Can Successfully Quantify Heavy Metals in Dentistry [PDF]

open access: yesMedicina, 2022
Background and Objectives: Due to the nutritional and behavioral patterns of children, their teeth can be a good indicator of heavy metal uptake from over the years.
Bahareh Nazemisalman   +5 more
doaj   +2 more sources

Inkjet polarography

open access: yesElectrochemistry Communications, 2021
A single nozzle piezoelectric inkjet device was introduced for polarography using a dropping carbon fluid electrode (DCFE). The viscosity of the carbon fluid prepared by mixing a spherical graphite powder and a perfluoroalkane oil was low enough for it ...
Xianmei Liu   +4 more
doaj   +1 more source

Influence of UV radiation and atmospheric factors on vapor permeability of thin-film modified polyethylene materials

open access: yesФізика і хімія твердого тіла, 2022
The vapor permeability of modified polyethylene films after long-term exposure to UV radiation and atmospheric factors was studied. The dependences of changes in diffusion characteristics on the type of modifying additives and the time of action of ...
N.I. Domantsevych   +2 more
doaj   +1 more source

Serbian aromatized wine “Bermet”: Electrochemical, chemiluminescent and spectrophotometric determination of antioxidant activity [PDF]

open access: yesJournal of the Serbian Chemical Society, 2020
Serbian aromatized wine “Bermet” from grapes grown on Fruška Gora Mountain has been in production since the 15th century. Ten commercial Bermets produced according to the traditional procedure by different manufacturers, and six prepared within the scope
Gorjanović Stanislava Ž.   +6 more
doaj   +1 more source

The contents of sesamol and related lignans in sesame, tahina and halva as determined by a newly developed polarographic and stripping voltammetric analysis

open access: yesGrasas y Aceites, 2009
The contents of antioxidant lignans (Sesamol) in sesame, commercial formulations of tahina and halva, which are processed tahina foods, were determined by Differential Pulse Polarography (DPP) with a capillary hanging mercury drop electrode (HMDE).
Ozlem Tokusoglu   +2 more
doaj   +1 more source

Erythrocyte Respiratory Activity of the Mitochondrial Complex of the Black Sea Thornback Ray (Raja clavata L.) under the Influence of Certain Activators and Inhibitors In Vitro

open access: yesFishes, 2022
Global warming implies the risk of a changing oxygen regime in the seas and oceans of our planet. The mitochondrial complex of nuclear erythrocytes of cartilaginous fish, as the energy basis of blood cells, has repeatedly encountered such climatic ...
Yuriy A. Silkin   +4 more
doaj   +1 more source

Content of Total Phenolics, Flavan-3-Ols and Proanthocyanidins, Oxidative Stability and Antioxidant Capacity of Chocolate During Storage

open access: yesFood Technology and Biotechnology, 2016
Antioxidant (AO) capacity of chocolates with 27, 44 and 75 % cocoa was assessed after production and during twelve months of storage by direct current (DC) polarographic assay, based on the decrease of anodic current caused by the formation of hydroxo ...
Jovanka Laličić-Petronijević   +8 more
doaj   +1 more source

Novel Mannich bases bearing pyrazolone moiety. Synthesis, characterization and electrochemical studies [PDF]

open access: yesJournal of Electrochemical Science and Engineering, 2013
The present investigation describes a series of new {4-[3-Methyl-5-oxo-4-(4|-substituted phenyl hydrazono)-4,5-dihydro-pyrazol-1-yl]-phenoxy}-acetic acid (2-oxo-1-piperidine-1-ylmethyl-1,2-dihydro–indol-3-ylidene)-hydrazides synthesized by the Mannich ...
KRISHNA NAIK   +3 more
doaj   +1 more source

Polarography with non‐mercury electrodes: A review

open access: yesElectrochemical Science Advances, 2023
This article reviews non‐mercury configurations that have hitherto been reported in the literature as the working electrodes applicable in polarographic measurements. The individual types, namely gallium, liquid amalgams, dropping electrolyte, and carbon
Ivan Švancara   +2 more
doaj   +1 more source

Investigation of Electrochemical Behavior of 4-(2-Pyridylazo)resorcinol and its Cu2+ Complex by Using Polarographic and Voltammetric Techniques

open access: yesInternational Journal of Electrochemical Science, 2021
In this work, the electrochemical behavior of 4-(2-pyridylazo)resorcinol (PAR) azo dye was studied in Britton-Robinson (BR) buffer (pH 2.0-12.0) media by employing square wave voltammetry (SWV), differential pulse polarography (DPP), direct current ...
Yeliz KARAMAN, Necati MENEK
doaj   +1 more source

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