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Journal articles on the topic 'Electrokinetic Index'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Kevin, O.K., A.Y. Abdulfatah, J.E. Sani, and G. Moses. "The Effect of Electrokinetic Remediation on the Index Properties of Lead-Contaminated Lateritic Soil." Nigerian Research Journal of Engineering and Environmental Sciences 08, no. 01 (2023): pp. 258–267. https://doi.org/10.5281/zenodo.8095045.

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<em>Soil contamination is a global concern that has great effects on human health, groundwater, and the engineering properties of soil. The aim of this paper is to use the electrokinetic remediation technique to remove lead contaminants from lateritic soil and evaluate the index properties of the remediated soil. Contaminated soil specimens were prepared by mixing the lateritic soil with a maximum 1% lead nitrate concentration in a stepwise increment of 0.2% by weight of dry soil.  Thereafter, the soil was remediated in an electrokinetic cell using graphite electrodes with acetic acid and

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2

Darmiyanti, Lydia, As’ad Munawir, Arief Rachmansyah, Yulvi Zaika, and Eko Andi Suryo. "Identification of the influence of electrokinetic soil improvement on the microstructure, physical and mechanical properties of expansive soil." Eastern-European Journal of Enterprise Technologies 6, no. 6 (126) (2023): 41–50. http://dx.doi.org/10.15587/1729-4061.2023.290234.

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Clay is a soil with low permeability. Clay is considered a problematic soil besides peat soil. The main problem with clay is its mineralogy. Expansive clay soils contain the minerals kaolinite, illite, and montmorillonite. Montmorillonite has weak bonds between its layers. These weak bonds make the soil easily incorporated, one of which is water. Water approaching expansive soil will bond with it and cause swelling. Expansive soil improvement studies have been conducted. One of them is electrokinetic. Expansive soil from Karawang, Indonesia is one of the soils with a high swelling index. This

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3

Koteswara, Reddy G. "Mitigation of Contamination Levels and Ecological Risk of Toxic Metal Contaminated Soil using CA-EKSR Process." International Journal of ChemTech Research 12, no. 6 (2019): 116–24. http://dx.doi.org/10.20902/ijctr.2019.120615.

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Many studies have focussed on decontamination of the soil by incorporating electrokinetic technologies. However, these not considered to determine the contamination and decontamination levels before and after treatment. We addressed this problem and determined the decontamination levels of toxic metals(TMs) after treatment. In this study, TMs contaminated granite mining soil was treated with the chelating agents and electrokinetic soil remediation (CA-EKSR) process. After 20 days of treatment, we determined the decontamination levels and ecological risk indices of TMs through pollution index (

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4

Ahuja, Eric S., and Joe P. Foley. "Communication. A retention index for micellar electrokinetic chromatography." Analyst 119, no. 2 (1994): 353. http://dx.doi.org/10.1039/an9941900353.

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5

Czapla, Zbigniew, and Joachim Cieślik. "Electrophoretic Mobility of Cell Nuclei (EMN) index – relation to biological and physical properties of the cell." Anthropological Review 61 (December 30, 1998): 93–101. http://dx.doi.org/10.18778/1898-6773.61.07.

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The authors describe certain physical and biological properties of cell and resulting electrical and electrokinetic properties, directly or indirectly related with the Electrophoretic Mobility of Cell Nuclei (EMN) index. This index, may become a new criterion in the estimation of the biological age, irrespective of the stage of the ontogenesis.

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Jain, Mranal, Anthony Yeung, and Krishnaswamy Nandakumar. "Analysis of Electrokinetic Mixing Techniques Using Comparative Mixing Index." Micromachines 1, no. 2 (2010): 36–47. http://dx.doi.org/10.3390/mi1020036.

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7

Kyrylenko, Iryna G., Oleksandra I. Fajda, Oleksandr V. Drach, Svitlana L. Popel’, Roman L. Popel’, and Walery Zukow. "Relationships between Electrokinetic Index of buccal epithelium and some functional and metabolic parameters at men with chronic pyelonephrite." Journal of Education, Health and Sport 6, no. 1 (2016): 302–14. https://doi.org/10.5281/zenodo.45361.

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<strong>Kyrylenko Iryna G., Fajda Oleksandra I.,</strong> <strong>Drach Oleksandr V., Popel’ Svitlana L., </strong><strong>Popel’ Roman L., </strong><strong>Zukow W</strong><strong>alery. Relationships between Electrokinetic Index of buccal epithelium and some functional and metabolic parameters at men with chronic pyelonephrite. </strong><strong>Journal of Education, Health and Sport. </strong><strong>2016;6(1):302-314. eISSN 2391-8306. DOI</strong> <strong>http://dx.doi.org/10.5281/zenodo.45361</strong> <strong>http://ojs.ukw.edu.pl/index.php/johs/article/view/3369</strong> <stro

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8

Darmiyanti, Lydia, Ivan Imanuel, and Prihartono Prihartono. "Effect of Electrokinetic Soil Improvement on CBR Value of Expansive Clay." PRESUNIVE CIVIL ENGINEERING JOURNAL 3, no. 1 (2025): 33. https://doi.org/10.33021/pcej.v3i1.5881.

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<p>Improvement of low permeability soils with high plasticity index and high shrinkage expansion cannot be done by soil compaction or consolidation. The structure of expansive clays is influenced by the history of soil formation. Expansive soil structure is composed of two tetrahedra with one octahedron. Van der Waals bonds bind them together. Kolinite, illite, and montmorillonite are minerals in expansive soils. Montmorillonite has the weakest bond of the others so that other elements can easily enter the clay structure and bind to it. The ability of clay soil to absorb water or other m

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9

Ben Salah, M., H. Souli, P. Dubujet, M. Hattab, and M. Trabelsi Ayadi. "Experimental study of the electrokinetic behaviour of kaolinite–smectite mixtures." Soil Research 55, no. 8 (2017): 743. http://dx.doi.org/10.1071/sr16267.

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The evolution of the behaviour of kaolinite–smectite mixtures was studied using mechanical and electrokinetic tests. Oedometric tests showed that the compression index of the mixtures increases with increasing smectite percentage and that the curves feature a double slope in the [log σv,e] (where σv is the vertical mechanical stress and e is the void ratio) coordinate system when the percentage of smectite is strictly higher than 25%. Electrokinetic tests show that, of smectite the electrical conductivity and electro-osmotic flow tend towards that of the smectite. Measurements performed after

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10

Martynova, T. A., N. I. Maksimov, and M. M. Glavatskikh. "Relationship between electrokinetic parameters of red blood cells and acute coronary syndrome." Perm Medical Journal 35, no. 6 (2018): 29–35. http://dx.doi.org/10.17816/pmj35629-35.

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Aim. To assess the state of electrokinetic properties of red blood cells in different variants of the course of acute coronary syndrome (ACS). Materials and methods. The study deals with the assessment of clinical and laboratory-instrumental data from 201 patients with ACS, the results of electrokinetic parameters of red blood cells, their predictors. Results. According to electrokinetic indices of erythrocytes, no reliable differences between the groups were found out. The mean red blood cell oscillation amplitude (MRBCOA) in group 1 was 1.83 ± 0.05, in group 2 – 1.75 ± 0.06 (t =

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11

Sun, Y. J., Y. J. Jian, L. Chang, and Q. S. Liu. "Thermally Fully Developed Electroosmotic Flow of Power-Law Fluids in a Circular Microchannel." Journal of Mechanics 29, no. 4 (2013): 609–16. http://dx.doi.org/10.1017/jmech.2013.43.

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ABSTRACTThis study presents a thermally fully developed electroosmotic flow of the non-Newtonian power-law fluids through a circle microchannel. A rigorous mathematic model for describing the Joule heating in an electroosmotic flow including the Poisson Boltzmann equation, the modified Navier Stokes equation and the energy equation is developed. The semi-analytical solutions of normalized velocity and temperature are derived. The velocity profile is computed by numerical integrate, and the temperature distribution is obtained by finite difference method. Results show that the velocity profiles

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12

Abd Hair, Ainul Hafiza, Kushairi Mohd Salleh, Nyak Syazwani Nyak Mazlan, et al. "Optimisation of nitrogen plasma exposure time for surface modification of cotton fibre." BioResources 19, no. 3 (2024): 5699–716. http://dx.doi.org/10.15376/biores.19.3.5699-5716.

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Surface modification via plasma treatment is useful in improving textile-based wound dressing functionality. This study was conducted to optimise the nitrogen plasma exposure time and its effect on the cotton surface (CS) properties at a constant nitrogen flow rate of 20 sccm for 5 to 30 min. The optimisation was done by analysing the alteration in morphology, functional group composition, crystallinity phase, electrokinetic potential, and colour of CS as subjected to nitrogen plasma. CS experienced an etching effect due to the presence of microcracks on its surface, with its electrokinetic po

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13

Muijselaar, Pim G. H. M., Henk A. Claessens, and Carel A. Cramers. "Application of the Retention Index Concept in Micellar Electrokinetic Capillary Chromatography." Analytical Chemistry 66, no. 5 (1994): 635–44. http://dx.doi.org/10.1021/ac00077a009.

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14

Neuppmann, Pedro Henrique, and José Aurélio Medeiros da Luz. "Physicochemical aspects of anionic flotation in the hematite/dolomite/quartz system." Caderno Pedagógico 22, no. 1 (2025): e13216. https://doi.org/10.54033/cadpedv22n1-067.

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Flotation of carbonate-bearing iron ores remains a technical challenge due to the complexities of their physicochemical behavior. This study aims to characterize the electrokinetic and aggregation properties in these ores and relate them to their flotation response. Electrophoresis tests used two supporting electrolytes, KCl and NaNO3. NaNO3 exhibited specific adsorption onto hematite but was indifferent toward dolomite and quartz, suggesting weaker interactions between the surface sites of the latter minerals and the added ions. The electrokinetic potential correlated strongly with the disper

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15

Labella, Elisabetta, and Ruchi Gupta. "An Optofluidic Young Interferometer for Electrokinetic Transport-Coupled Biosensing." Micromachines 15, no. 7 (2024): 861. http://dx.doi.org/10.3390/mi15070861.

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Label-free optical biosensors, such as interferometers, can provide a comparable limit of detection to widely used enzyme-linked immunosorbent assays while minimizing the number of steps and reducing false positives/negatives. In 2020, the authors reported on a novel optofluidic Young interferometer (YI) that could provide real-time spatial information on refractive index changes occurring along the length of the sensor and reference channels. Herein, we exploit these features of the YI to study interactions of biomolecules with recognition elements immobilized in selected regions of agarose g

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Lizée, Agathe, Patrick Loulergue, Anne Pensel, and Anthony Szymczyk. "Electrokinetic index: A new metric for advanced characterization of membranes with various geometries." Journal of Membrane Science Letters 4, no. 1 (2024): 100069. http://dx.doi.org/10.1016/j.memlet.2024.100069.

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17

Kyrylenko, Iryna G., Igor-Severyn S. Flyunt, Vitaliǐ M. Fil', Walery Zukow, and Igor L. Popovych. "Changes in electrokinetic index of buccal epithelium correlated with changes in some parameters of immunity and fecal microbiocenosis." Journal of Education, Health and Sport 8, no. 10 (2018): 168–74. https://doi.org/10.5281/zenodo.1471789.

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<strong>Kyrylenko Iryna G, Flyunt Igor-Severyn S, Fil’ Vitaliǐ M, Zukow Walery, </strong><strong>Popovych Igor L. Changes in electrokinetic index of buccal epithelium correlated with changes in some parameters of immunity and fecal microbiocenosis. </strong><strong>Journal of Education, Health and Sport. 2018;8(10):168-174. eISNN 2391-8306. DOI </strong><strong>http://dx.doi.org/10.5281/zenodo.1471789</strong> <strong>http://ojs.ukw.edu.pl/index.phpohs/article/view/62</strong><strong>2</strong><strong>7</strong> <strong>https://pbn.nauka.gov.pl/sedno-webapp/works/884805</strong>   &

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18

Kyrylenko, Iryna, Svitlana Fediaieva, Vita Miesoiedova, Oleksandr Popadynets’, and Xawery Żukow. "Vegetative, metabolic and immune accompaniments of changes in the electrokinetic index of the buccal epithelium under the influence of therapeutic factors." Journal of Education, Health and Sport 12, no. 1 (2022): 344–54. http://dx.doi.org/10.12775/jehs.2022.12.01.030.

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Background. In previous studies, we have shown that electrokinetic index of buccal epithelium (EKI) correlated with some functional and metabolic parameters. Subsequent studies have shown that сhanges in EKI correlated with changes in some parameters of EEG, HRV, hemodynamics, metabolism, immunity and fecal microbiocenosis. Further research in this direction was continued on a significantly increased contingent of patients and with the involvement of new methods and factors of influence. This message starts the presentation of the obtained results. Material and methods. Under a observations we

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19

Darmiyanti, Lydia, and Yonas Prima Arga Rumbyarso. "Optimizing electrokinetic clay soil improvement using calcium dioxide solutions: a comprehensive approach." EUREKA: Physics and Engineering, no. 2 (March 28, 2025): 13–20. https://doi.org/10.21303/2461-4262.2025.003469.

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Improvement of low permeability soils with a high plasticity index cannot be done by compaction or consolidation. The structure of clay is influenced by the history of soil formation. Clay is composed of two tetrahedrals with one octahedral. Van der Waals bonds bind both. Montmorillonite has the weakest bonds so other minerals easily enter and bond within its structure. The ability of clay soils to absorb water or other approaching minerals is due to their cation exchange capacity (CEC). Clay with its negative ions will attract positive ions that approach the clay surface. Water with H+ conten

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20

Alshammari, Fehaid Salem. "Numerical Analysis and Entropy Generation of Electrokinetic Flow of Power-Law Fluid in a Microtriangular Prism." Mathematical Problems in Engineering 2020 (December 8, 2020): 1–15. http://dx.doi.org/10.1155/2020/3085162.

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This research aims to study the characteristics of thermal transport and analyse the entropy generation of electroosmotic flow of power-law fluids in a microtriangular prism in the presence of pressure gradient. Considering a fully developed flow subject to constant wall heat flux, the nonlinear electric potential, momentum, and linear heat transfer equations are solved numerically by developing an iterative finite difference method with a nonuniform grid. The thermal efficiency of the model is explored under the light of the second law of thermodynamics. Effect/impact of governing physical pa

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21

Gataullin, A. R., V. A. Abramov, S. A. Bogdanova, V. V. Salnikov, Yu F. Zuev, and Yu G. Galyametdinov. "Obtaining carbon nanotubes dispersions in solutions of ethoxylated fatty alcohols for modifying gel systems." Kolloidnyj žurnal 86, no. 4 (2024): 422–35. http://dx.doi.org/10.31857/s0023291224040022.

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A systematic study of the effect of nonionic surfactants – ethoxylated higher fatty alcohols with a variable degree of ethoxylation on the process of ultrasonic dispersion of carbon nanotubes in aqueous solutions and on the colloidal-chemical properties of the resulting dispersions during long-term storage – optical density, size and electrokinetic potential of the particles of colloidal systems was carried out. A non-linear dependence of the characteristics of dispersions on the ethoxylation degree associated with structural changes in the molecules of nonionic surfactants was revealed. The m

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22

Deng, Shuyan, Ruiqing Bian, and Jiacheng Liang. "Unsteady Pressure-Driven Electrokinetic Slip Flow and Heat Transfer of Power-Law Fluid through a Microannulus." Micromachines 14, no. 2 (2023): 371. http://dx.doi.org/10.3390/mi14020371.

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To guarantee the transporting efficiency of microdevices associated with fluid transportation, mixing, or separation and to promote the heat transfer performance of heat exchangers in microelectronics, the hydrodynamic behaviors at unsteady and steady states, as well as the thermal characteristics at the steady state in a pressure-driven electrokinetic slip flow of power-law fluid in a microannulus are studied. To present a more reliable prediction, the slip phenomenon at walls and nonlinear rheology of liquid are incorporated. The modified Cauchy momentum equation applicable to all time scale

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Ishihama, Yasushi, Yoshiya Oda, and Naoki Asakawa. "A Hydrophobicity Scale Based on the Migration Index from Microemulsion Electrokinetic Chromatography of Anionic Solutes." Analytical Chemistry 68, no. 6 (1996): 1028–32. http://dx.doi.org/10.1021/ac9510402.

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Zheng, Jiaxuan, Jialu Wang, and Yongjun Jian. "Micro Electro-Osmotic Thrusters of Power-Law Fluids for Space Propulsion." Micromachines 14, no. 5 (2023): 949. http://dx.doi.org/10.3390/mi14050949.

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In this article, electro-osmotic thrusters (EOTs), which are full of non-Newtonian power-law fluids with a flow behavior index n of the effective viscosity, are theoretically investigated in a microchannel. Different values of the flow behavior index represent two kinds of non-Newtonian power-law fluids, pseudoplastic fluids (n < 1) and dilatant fluids (n > 1), which have not yet been considered to be used as propellants in micro-thrusters. Analytical solutions of the electric potential and flow velocity are obtained using the Debye–Hückel linearization assumption and the approximate sch

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Fidan, Hakan, and Nihat Sami Çetin. "Nanocellulose production from walnut pruning wastes using hydrated deep eutectic solvent as paper strength additives." BioResources 19, no. 4 (2024): 7136–53. http://dx.doi.org/10.15376/biores.19.4.7136-7153.

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The valorization potential of industrial walnut pruning wastes was investigated as a value-added product. Nanofibrillated cellulose (NFC) was prepared from walnut pruning wastes via hydrated choline chloride-lactic acid deep eutectic solvent (ChCl-LA DES) pretreatment followed by grinding, and these were used as paper strength additives. The effect of reaction time on NFC properties were investigated and compared. The structure of nanocellulose was determined by Fourier transform infrared, scanning electron microscopy (SEM), and rheological analysis. The results show that carboxylated NFC havi

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Edwards, J. Vincent, Elena Graves, Nicolette Prevost, et al. "Development of a Nonwoven Hemostatic Dressing Based on Unbleached Cotton: A De Novo Design Approach." Pharmaceutics 12, no. 7 (2020): 609. http://dx.doi.org/10.3390/pharmaceutics12070609.

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Minimally processed greige (unbleached) cotton fibers demonstrate enhanced clotting relative to highly processed United States Pharmacopeia (USP) type 7 bleached cotton gauze. This effect is thought to be due to the material surface polarity. We hypothesized that a textile could be constructed, conserving the hemostasis-accelerating properties of greige cotton, while maintaining structural integrity and improving absorbance. Spun bond nonwovens of varying surface polarity were designed and prepared based on ratios of greige cotton/bleached cotton/polypropylene fibers. A thromboelastographic an

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Fatemi, M. H. "Quantitative structure–property relationship studies of migration index in microemulsion electrokinetic chromatography using artificial neural networks." Journal of Chromatography A 1002, no. 1-2 (2003): 221–29. http://dx.doi.org/10.1016/s0021-9673(03)00687-3.

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Poouthree, Kieatsuda, Natchanun Leepipatpiboon, Amorn Petsom, and Thumnoon Nhujak. "Retention factor and retention index of homologous series compounds in microemulsion electrokinetic chromatography employing suppressed electroosmosis." ELECTROPHORESIS 28, no. 5 (2007): 767–78. http://dx.doi.org/10.1002/elps.200600275.

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Kyrylenko, Iryna G., Svitlana I. Fediaieva, Vita Miesoiedova, Oleksandr O. Popadynets', and Xawery Żukow. "Vegetative, metabolic and immune accompaniments of changes in the electrokinetic index of the buccal epithelium under the influence of therapeutic factors." Journal of Education, Health and Sport 12, no. 1 (2022): 344–54. https://doi.org/10.12775/JEHS.2022.12.01.030.

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<strong>Kyrylenko</strong><strong> </strong><strong>Iryna</strong><strong> </strong><strong>G</strong><strong>., </strong><strong>Fediaieva</strong><strong> </strong><strong>Svitlana</strong><strong> </strong><strong>I</strong><strong>., </strong><strong>Miesoiedova</strong><strong> </strong><strong>Vita</strong><strong>, </strong><strong>Popadynets</strong><strong>’ </strong><strong>Oleksandr</strong><strong> </strong><strong>O</strong><strong>., </strong><strong>Ż</strong><strong>ukow</strong><strong> </strong><strong>Xawery</strong><strong>. </strong><strong>Vegetative, metabolic and

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Rodionova, T. I., M. Yu Ledvanov, and V. V. Firstova. "Electrokinetic potential of blood lymphocytes in autoimmune ophthalmopathy in patients with diffuse toxic goiter." Problems of Endocrinology 44, no. 3 (1998): 12–15. http://dx.doi.org/10.14341/probl199844312-15.

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Electrophoretic mobility (ЕРМ) of blood lymphocytes was studied in 103 patients with diffuse toxic goiter (DTG) and autoimmune ophthalmopathy (AO) and 30 healthy controls in order to assess the value of this parameter as a criterion of AO severity and assessment of the efficacy of therapy of AO. The patients were in a state of drug-induced euthyrosis. A О was treated traditionally (nonsteroid antiinflammatory drugs, glucocorticoids, and glucocorticoids combined with radiotherapy of the orbits), depending on the severity of the condition. The distribution of blood lymphocytes by EPM is notably

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Wang, Chengfa, and Yehui He. "A Novel Micromixer That Exploits Electrokinetic Vortices Generated on a Janus Droplet Surface." Micromachines 15, no. 1 (2023): 91. http://dx.doi.org/10.3390/mi15010091.

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Micromixers play a crucial role as essential components in microfluidic analysis systems. This paper introduces a novel micromixer designed by harnessing electrokinetic vortices arising on the surface of a Janus droplet within a microchannel. The Janus droplet is characterized by different polarities of charges on its two sides (upstream part and downstream part). In the presence of a direct current electric field, the droplet’s surface generates electroosmotic flows in opposite directions, resulting in the formation of vortices and facilitating solution mixing. Results from numerical simulati

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Nordin, Nurul Syakeera, Saiful Azhar Ahmad Tajudin, Aeslina Abdul Kadir, Riduan Yunus, Mohamad Azim Mohammad Azmi, and Mohamed Nur Shafiq Mohamed Hanif. "Effect of Calcium and Sodium Ions in Soft Clay Using Electrokinetic Stabilisation Technique." Applied Mechanics and Materials 773-774 (July 2015): 1433–37. http://dx.doi.org/10.4028/www.scientific.net/amm.773-774.1433.

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Electrokinetic Stabilisation (EKS) technique is a combination process of electroosmosis and chemical grouting. This study involves the investigation on the EKS technique performances in stabilising soft clay soils. Stabilising agents will assist the EKS technique by inducing it to the soil under direct current and its movements which is governed by the principle of electrokinetic (EK). The objective of this research is to study the effectiveness of EKS technique in increasing the strength of soft clays. Two reactors were set up by using 1.0 M of calcium chloride (CaCl2), sodium silicate (Na2Si

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Muijselaar, Pim G. H. M., Henk A. Claessens, and Carel A. Cramers. "Application of the Retention Index Concept in Micellar Electrokinetic Capillary Chromatography. [Erratum to document cited in CA120:123851]." Analytical Chemistry 66, no. 17 (1994): 2799. http://dx.doi.org/10.1021/ac00089a033.

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Deng, Shuyan. "Thermally Fully Developed Electroosmotic Flow of Power-Law Nanofluid in a Rectangular Microchannel." Micromachines 10, no. 6 (2019): 363. http://dx.doi.org/10.3390/mi10060363.

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The hydrodynamic and thermal behavior of the electroosmotic flow of power-law nanofluid is studied. A modified Cauchy momentum equation governing the hydrodynamic behavior of power-law nanofluid flow in a rectangular microchannel is firstly developed. To explore the thermal behavior of power-law nanofluid flow, the energy equation is developed, which is coupled to the velocity field. A numerical algorithm based on the Crank–Nicolson method and compact difference schemes is proposed, whereby the velocity, temperature, and Nusselt number are computed for different parameters. A larger nanopartic

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Tozluoğlu, Ayhan, Hakan Fidan, Ahmet Tutuş, et al. "Reinforcement potential of modified nanofibrillated cellulose in recycled paper production." BioResources 16, no. 1 (2020): 911–41. http://dx.doi.org/10.15376/biores.16.1.911-941.

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The influence of nanofibrillated cellulose (NFC) was investigated as a reinforcing agent to improve strength properties of papersheets fabricated from recycled pulp fibers of mixtures of old newspapers, old magazines, and old corrugated cardboards. To determine the effects of the NFC on the mechanical and physical properties of the recycled pulp papers, cellulose nanofibrils (NFC) were isolated from wheat straw, pretreated chemically and enzymatically (NFC-OX), and then added to the bulk suspensions of papermaking pulp slurries at various percentages. The electrokinetic and drainage properties

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Bombushkar, Igor. "Metabolic accompaniments of variants of uric acid exchange." Journal of Education, Health and Sport 12, no. 12 (2022): 373–90. http://dx.doi.org/10.12775/jehs.2022.12.12.054.

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Background. During the implementation of the project "Physiological activity of uric acid", our group discovered four variants of the combination of levels of uricemia and uricosuria in patients with chronic pyelonephritis in the remission phase, which are accompanied by characteristic constellations of parameters of the autonomic nervous, endocrine, and immune systems, the levels of which correlate with uricemia and/or uricosuria. The aim of this study is to clarify the relationship between parameters of exchange of uric acid and other metabolites. Materials and methods. Under an observations

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Podolska, V. I., L. S. Rieznichenko, L. M. Yakubenko, et al. "A study on the interaction of gold nanoparticles with sodium sulfacetamide." Himia, Fizika ta Tehnologia Poverhni 15, no. 3 (2024): 349–60. http://dx.doi.org/10.15407/hftp15.03.349.

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The present research is devoted to the investigation of a nanosystem including gold nanoparticles in an aqueous solution of sodium sulfacetamide in order to determine the nature and efficiency of their interaction depending on the concentration and pH of the medium. Sodium sulfacetamide is of interest due to the possibility of its use in the composition of new hydrogel materials with incorporated gold nanoparticles for the development of ophthalmic implants. Gold nanoparticles with an average size of 20 nm, obtained by hydrothermal synthesis, were used. The study of the cytotoxicity of sodium

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KYRYLENKOKO, I. "Changes in Electrokinetic Index of the Buccal Epithelium Correlated with Changes in Some Parameters of EEG, HRV, Hemodynamics and Metabolism." Experimental and Clinical Physiology and Biochemistry 2018, no. 2 (2018): 5–14. http://dx.doi.org/10.25040/ecpb2018.02.005.

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Linarić, M., M. Markić, and L. Sipos. "High salinity wastewater treatment." Water Science and Technology 68, no. 6 (2013): 1400–1405. http://dx.doi.org/10.2166/wst.2013.376.

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The shock effect, survival and ability of activated sludge to acclimatize to wastewater containing different concentrations of NaCl and Na2SO4 were investigated under laboratory conditions. To accomplish this, the potential penetration of a sewage system by seawater as a consequence of storm surge flooding was simulated. The experiments were conducted using activated sludge taken from the aeration tank of a communal wastewater treatment plant and adding different concentrations up to 40 g/L of NaCl and 4.33 g/L of Na2SO4. The effects of salinity on the activated sludge were monitored for 5 wee

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Kumar, Deepak, and Bhanuman Barman. "ELECTROKINETIC TRANSPORT OF NON-NEWTONIAN FLUID THROUGH SOFT NANOCHANNEL WITH PH-RESPONSIVE AND PARTIALLY ION-PENETRABLE POLYMER LAYER." Коллоидный журнал 85, no. 2 (2023): 179–90. http://dx.doi.org/10.31857/s0023291223700052.

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The present article deals with the comprehensive parametric study on electroosmotic flow and transportation of ions through polymer grafted soft nanochannel containing non-Newtonian fluid. We consider the fully developed flow in a slit rectangular channel. The charged poly-electrolyte layer (PEL) carries a monovalent acidic ionizable group attached to a rigid wall. The ion partitioning effect is considered in our study, which arises from the difference in relative permittivity of the polyelectrolyte region and the bulk electrolyte. The non-linear Poisson−Boltzmann equation and the modified Cau

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Makowska, Agnieszka, Krzysztof Dwiecki, Piotr Kubiak, Hanna Maria Baranowska, and Grażyna Lewandowicz. "Polymer-Solvent Interactions in Modified Starches Pastes–Electrokinetic, Dynamic Light Scattering, Rheological and Low Field Nuclear Magnetic Resonance Approach." Polymers 14, no. 15 (2022): 2977. http://dx.doi.org/10.3390/polym14152977.

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Starch paste is a very complex dispersion that cannot be clearly classified as a solution, colloid or suspension and many factors affects its properties. As these ambiguities constitute a barrier to technological development, the aim of this study was to investigate the interaction of starch macromolecules with water by analysing the results of rheological properties, low field nuclear magnetic resonance (LF NMR), dynamic light scattering (DLS) and ζ potential analyses. Starch pastes with a concentration of 1%, prepared with distilled water and buffered to pH values of 2.5, 7.0 and 9.5 were an

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Fotie, Ghislain, Stefano Gazzotti, Marco Aldo Ortenzi, and Luciano Piergiovanni. "Implementation of High Gas Barrier Laminated Films Based on Cellulose Nanocrystals for Food Flexible Packaging." Applied Sciences 10, no. 9 (2020): 3201. http://dx.doi.org/10.3390/app10093201.

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In this work, three types of cellulose nanocrystals (CNCs) were used: CNCSO3H extracted from wood pulp by sulfuric acid (H2SO4), CNCCOOH extracted from cotton linters by ammonium persulfate (APS) and CNCCOOR obtained by esterification of the previous two CNCCOOH and CNCSO3H. For a comparative assessment of gas barrier performance, plastic films such as PLA, PET, PE, PP, OPP and OPA were selected, coated with the three types of CNCs and finally laminated with a solvent-based polyurethanic adhesive. First, all dispersed CNCs were characterized by apparent hydrodynamic diameter and Z potential by

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Mei, Yujie, Qiuyu Lin, Changning Wu, Wei Huang, Daofan Cao, and Ke Liu. "Efficient Separation of Ultrafine Coal Assisted by Selective Adsorption of Polyvinylpyrrolidone." Minerals 12, no. 6 (2022): 725. http://dx.doi.org/10.3390/min12060725.

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The efficient separation of ultrafine coal is a challenging process due to the ultrafine particle size and gangue entrainment. In this study, a polymer, polyvinylpyrrolidone (PVP), was introduced as a regulator for ultrafine coal beneficiation. The addition of PVP improved the combustible recovery of clean coal and decreased the ash content. This effect was also presented by the selectivity index. The regulation mechanism of PVP was investigated using diverse methods. The adsorption tests performed demonstrated the adsorption amount of PVP on coal, kaolinite, and quartz, which were related to

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Baños, Ruben, José Arcos, Oscar Bautista, and Federico Méndez. "Slippage Effect on the Oscillatory Electroosmotic Flow of Power-Law Fluids in a Microchannel." Defect and Diffusion Forum 399 (February 2020): 92–101. http://dx.doi.org/10.4028/www.scientific.net/ddf.399.92.

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The oscillatory electroosmotic flow (OEOF) under the influence of the Navier slip condition in power law fluids through a microchannel is studied numerically. A time-dependent external electric field (AC) is suddenly imposed at the ends of the microchannel which induces the fluid motion. The continuity and momentum equations in the and direction for the flow field were simplified in the limit of the lubrication approximation theory (LAT), and then solved using a numerical scheme. The solution of the electric potential is based on the Debye-Hückel approximation which suggest that the surface p

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Deng, Shuyan, Quan An, and Mingying Li. "The Effect of Streaming Potential and Viscous Dissipation in the Heat Transfer Characteristics of Power-Law Nanofluid Flow in a Rectangular Microchannel." Micromachines 11, no. 4 (2020): 421. http://dx.doi.org/10.3390/mi11040421.

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The non-Newtonian nanofluid flow becomes increasingly important in enhancing the thermal management efficiency of microscale devices and in promoting the exploration of the thermal-electric energy conversion process. The effect of streaming potential and viscous dissipation in the heat transfer characteristics of power-law nanofluid electrokinetic flow in a rectangular microchannel has been investigated to assist in the development of an energy harvesting system. The electroviscous effect caused by the streaming potential influences the hydrodynamical and thermal characteristics of flow. With

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Iordache, Teodora-Alexandra, Nicoleta Badea, Mirela Mihaila, Simona Crisan, Anca Lucia Pop та Ioana Lacatusu. "Polygonum cuspidatum Loaded Nanostructured Lipid Carriers for Dual Inhibition of TNF-α- and IL-6 Cytokines and Free Radical Species". Materials 16, № 9 (2023): 3492. http://dx.doi.org/10.3390/ma16093492.

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The main objective of this study was the testing of natural compounds, such as Polygonum cuspidatum (PgnC) loaded into nanostructured lipid carriers (NLC), which can act as a “double-edged sword” aimed at simultaneously combating dangerous free radicals and inhibiting pro-inflammatory cytokines. Resveratrol-rich PgnC extract was paired with another phytochemical, Diosgenin (DSG), in NLC. The lipid nanocarriers carrying both herbals (NLC-DSG-PgnC) had spherical diameters (100 ± 2 50 nm), a polydispersity index of ~0.15, and electrokinetic potentials greater than −46.5 mV. Entrapment efficiencie

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Parida, Tamanna, Ram Sailesh Agnihotri, Suresh Kumar Kolli, Anindita Chakraborty, and Namuduri Srinivas. "A study on the evaluation of heavy metals accumulation in electrokinetically treated sewage sludge by Spinacia oleracea." Journal of Applied and Natural Science 16, no. 2 (2024): 574–83. http://dx.doi.org/10.31018/jans.v16i2.5464.

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The sewage sludge (SS) profile combines potentially toxic metals and organic matter that help nourish the soil in many ways. Still, toxicity raises concerns about the contamination of the food chain and pollution of the soil, water, and air. Treatment of raw SS by physical and chemical methods is a challenging task with a big budget and does not support the sustainable approach. On the other hand, phytoremediation coupled with electrokinetic treatment treats the raw sludge by extracting the maximum amount of heavy metals (HMS) and enhancing its quality by improving the physicochemical paramete

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Sorokin, Andrey V., Marina G. Kholyavka, and Maria S. Lavlinskaya. "Synthesis of chitosan and N-vinylimidazole graft-copolymers and the properties of their aqueous solutions." Kondensirovannye sredy i mezhfaznye granitsy = Condensed Matter and Interphases 23, no. 4 (2021): 570–77. http://dx.doi.org/10.17308/kcmf.2021.23/3676.

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The aim of this work is to synthesise chitosan and N-vinylimidazole graft-copolymers of various compositions and to study the properties of their aqueous solutions.Chitosan and N-vinylimidazole graft-copolymers were obtained by solution polymerisation in the presence of a ceric ammonium nitrate redox initiator. The synthesised graft copolymers were characterised by FTIR to determine their compositions and the grafted side chains of poly-N-vinylimidazole were characterised by gel permeation chromatography to determine their molecular wights and polydispersity indices. It was established that th

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T., Seidu,, and Rotimi, J. A. "Effect of Voltage variation on the Geotechnical Properties and Removal Efficiency of Heavy Metal Contaminants from Contaminated Soil using Electrokinetic Remediation Technique." International Journal of Mechanical and Civil Engineering 7, no. 2 (2024): 1–14. http://dx.doi.org/10.52589/ijmce-nuovn7uc.

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A lot of research work has shown that despite the effectiveness of the electrokinetic remediation technology in decontaminating heavy metal contaminated soils, more work is still required to fully understand the role of voltage in the remediation process. There is need to establish the optimum voltage that would best remove heavy metals from such contaminated soil and its attendant effect on the geotechnical properties of the remediated soil. Effect of voltage variation on the removal efficiency of lead, copper and the geotechnical properties of remediated heavy metal contaminated soil using e

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Babelyuk, Valeriy, Nazariy Babelyuk, Igor Popovych, et al. "Effects of transcutaneous electrical stimulation with the device “VEB” ® on the human body." Journal of Education, Health and Sport 12, no. 2 (2022): 313–35. http://dx.doi.org/10.12775/jehs.2022.12.02.033.

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Background. In 2015, a generator for electrotherapy and stimulation oh human nerve centers was created, called “VEB-1”®. Preliminary observation of volunteers revealed a modulating effect of a four-day course of electrical stimulation on the parameters of electroencephalogram, metabolism, as well as gas-discharge visualization (GDV). In this message, we present the results of the approbation of the device on an expanded contingent of volunteers with the use of additional research methods and a new modification of the device. Material and research methods. The object of observation were employe

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