Relevant bibliographies by topics / Polyvalent cations

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  1. Journal articles
  2. Book chapters
  3. Conference papers

Academic literature on the topic 'Polyvalent cations'

Author: Grafiati
Published: 5 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Polyvalent cations"

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Puljung, Michael C., Viviana M. Berthoud, Eric C. Beyer, and Dorothy A. Hanck. "Polyvalent Cations Constitute the Voltage Gating Particle in Human Connexin37 Hemichannels." Journal of General Physiology 124, no. 5 (2004): 587–603. http://dx.doi.org/10.1085/jgp.200409023.

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Connexins oligomerize to form intercellular channels that gate in response to voltage and chemical agents such as divalent cations. Historically, these are believed to be two independent processes. Here, data for human connexin37 (hCx37) hemichannels indicate that voltage gating can be explained as block/unblock without the necessity for an independent voltage gate. hCx37 hemichannels closed at negative potentials and opened in a time-dependent fashion at positive potentials. In the absence of polyvalent cations, however, the channels were open at relatively negative potentials, passing curren
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Le, D. B., S. Passerini, F. Coustier, et al. "Intercalation of Polyvalent Cations into V2O5Aerogels." Chemistry of Materials 10, no. 3 (1998): 682–84. http://dx.doi.org/10.1021/cm9705101.

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Segami, Yukari, Kiyoto Shin-mura, Ayumi Kitada, and Kazuya Sasaki. "Removal of Polyvalent Cations from Aqueous Solutions Prepared By Roasting and Dissolving Spent Lithium-Ion Batteries By Ion-Exchange Membrane Electrodialysis." ECS Meeting Abstracts MA2024-02, no. 67 (2024): 4615. https://doi.org/10.1149/ma2024-02674615mtgabs.

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Background and purpose Efforts to curb CO2 emissions, which cause global warming, are spreading around the world, and countries and regions are attempting to ban new sales of gasoline and diesel vehicles that emit CO2. Therefore, it is expected that the spread of electric vehicles will increase in the future, and that the number of used lithium-ion batteries will increase accordingly. In order to reduce the environmental impact of these battery products, Europe adopted the European Battery Regulation in July 2023, making it mandatory to recycle used batteries. The regulations require recycling
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Maslennikov, B. I., Yu N. Matveev, V. N. Bogatikov, and N. A. Stukalova. "Features of the Sorption Process of Polyvalent Metal Cations in Soils." Ecology and Industry of Russia 23, no. 3 (2019): 14–19. http://dx.doi.org/10.18412/1816-0395-2019-3-14-19.

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The issue of migration and accumulation of harmful and toxic compounds in soils is considered. Particular attention is paid to the study of the rate of ion-exchange process of cations of copper, iron, zinc, aluminum on humic acids, since these elements constitute a significant mass of harmful emissions from industrial enterprises in the form of drainage effluents to be cleaned. The results of studies of mass transfer processes in soils for various compounds are presented. An approach is proposed based on the calculation of the average dynamic value of the charge of a polyvalent metal cation ex
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Suh, Byung-Chang, and Bertil Hille. "Electrostatic Interaction of Internal Mg2+ with Membrane PIP2 Seen with KCNQ K+ Channels." Journal of General Physiology 130, no. 3 (2007): 241–56. http://dx.doi.org/10.1085/jgp.200709821.

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Activity of KCNQ (Kv7) channels requires binding of phosphatidylinositol 4,5-bisphosphate (PIP2) from the plasma membrane. We give evidence that Mg2+ and polyamines weaken the KCNQ channel–phospholipid interaction. Lowering internal Mg2+ augmented inward and outward KCNQ currents symmetrically, and raising Mg2+ reduced currents symmetrically. Polyvalent organic cations added to the pipette solution had similar effects. Their potency sequence followed the number of positive charges: putrescine (+2) < spermidine (+3) < spermine (+4) < neomycin (+6) < polylysine (≫+6).
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Gao, Dandan, Jiyang Xie, Jian Wang, and Wanbiao Hu. "B-Site octahedral bridge and A-site polyvalent Cu cation related electron hopping in LiCuNb3O9-based colossal permittivity materials." Journal of Materials Chemistry C 10, no. 2 (2022): 665–71. http://dx.doi.org/10.1039/d1tc03660b.

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Manono, Malibongwe S., Katlego Matibidi, Kirsten C. Corin, Catherine K. Thubakgale, Iyiola O. Otunniyi, and Jenny G. Wiese. "Specific Ion Effects on the Behavior of Mixtures of Sodium Iso-Butyl Xanthate and Sodium Diethyl Dithiophosphate during the Flotation of a Cu-Ni-PGM Ore: Effects of CaCl2 and NaCl." Environmental Sciences Proceedings 6, no. 1 (2021): 22. http://dx.doi.org/10.3390/iecms2021-10632.

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Inorganic electrolytes present in the process water used during froth flotation may have both beneficial and detrimental effects. These effects are said to be ion specific, as some ions may result in enhanced froth stability, increased mineral recoveries and decreased concentrate grades, while others may bring the opposite effects. Onsite process water quality variations have intensified the need to understand the relationship between inorganic electrolytes and flotation reagents on flotation performance. The use of mixtures of thiol collectors in sulfide flotation is a common practice across
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Mašek, J., J. Gilka, and H. Dočekalovà. "A note on an effect of sodium monensinate supplements on the level of some chemical elements in the organs and muscle of feedlot steers." Animal Science 40, no. 3 (1985): 511–13. http://dx.doi.org/10.1017/s0003356100040216.

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ABSTRACTIn muscle and livers of steers given a diet with sodium monensinate a significant decrease in cadmium content was observed. The concentration of manganese, copper, zinc, lead and iron in the analysed organs varied inconsistently. It seems from the results that, in tissues, monensinate influences the metabolism not only of monovalent cations but of polyvalent cations as well.
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Oster, Liya F., Richard Sportsman, Christian Beren, et al. "Rna Compaction in the Presence of Polyvalent Cations." Biophysical Journal 112, no. 3 (2017): 367a. http://dx.doi.org/10.1016/j.bpj.2016.11.1989.

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Frunza, L., and R. M. Serbanescu. "On the hemoglobin interaction with some polyvalent cations." Journal of Molecular Structure 348 (March 1995): 17–20. http://dx.doi.org/10.1016/0022-2860(95)08578-j.

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Book chapters on the topic "Polyvalent cations"

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Painter, George R., and Berton C. Pressman. "Cation Complexes of the Monovalent and Polyvalent Carboxylic Ionophores: Lasalocid (X-537A), Monensin, A23187 (Calcimycin), and Related Antibiotics." In Metal Ions in Biological Systems. CRC Press, 2024. http://dx.doi.org/10.1201/9781003573630-9.

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Abbey Paul, Abraham, Victor Markus, Kathelina Kristollari, and Robert S. Marks. "Alginate-Based Applications in Biotechnology with a Special Mention to Biosensors." In Alginate - Applications and Future Perspectives [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.110737.

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The exploitation of alginate and its composites as immobilisation support matrices in multiple applications remains a promising field that has the potential to create advanced functional materials from sustainable natural sources. They are non-toxic, allow sol-gel transformation, are biocompatible, have remarkable ion exchange properties, are biodegradable, and are amenable to chemical functionalisation. Alginate and its derived composites have numerous biotechnological and biomedical applications, including biomolecule or cell immobilisation, tissue engineering, drug delivery, wound dressing,
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Cuevas, Elvira. "Soil versus Biological Controls on Nutrient Cycling in Terra Firme Forests." In The Biogeochemistry of the Amazon Basin. Oxford University Press, 2001. http://dx.doi.org/10.1093/oso/9780195114317.003.0007.

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Terra firme forests are those that by definition are not permanently or seasonally flooded (terra firme meaning “firm terrain”). This type of forest encompasses the Amazon and Orinoco basins, stretching from the lower slopes of the Andes, east to the Guianas, and south to about 15°S in western Brazil and northern Bolivia (Richards 1996). Structural and compositional variability in these forests in the Amazon basin is very wide as a result of climate differences and geomorphological position. The region is not climatically uniform; the central and much of the southern parts have less and more s
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Coe, C. G., G. E. ParMs, R. Srinivasan, and S. R. Arnil. "Polyvalent Cation Exchanged X Zeolites with Improved Gas Separation Properties." In Studies in Surface Science and Catalysis. Elsevier, 1986. http://dx.doi.org/10.1016/s0167-2991(09)60979-4.

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Conference papers on the topic "Polyvalent cations"

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Gorni-Pinkesfeld, O., D. Hasson, H. Shemer, and R. Semiat. "Silica Removal by a Novel Electrochemical System." In CORROSION 2016. NACE International, 2016. https://doi.org/10.5006/c2016-07039.

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Abstract The presence of silica in brackish water greatly complicates desalination processes. Mitigation of silica scale by dosage of anti-scalants has proved to be an elusive task. The common method of silica removal is by its precipitation at high pH with polyvalent metal hydroxides. A convenient way for achieving a high pH is by applying an electric current in an electrochemical cell. Silica removal was investigated using a novel electrochemical technique, based on a cation exchange membrane (ECM). The ECM system overcomes a major drawback of current electrochemical technology, enabling red
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Schleuning, W. D. "THE BIOCHEMISTRY AND CELL BIOLOGY OF SINGLE CHAIN UROKINASE TYPE PLASMINOGEN ACTIVATOR." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1642956.

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Urokinase was discovered in the late nineteenth century, as an enzymatic principle in urine, that initiates the dissolution of blood clots. The basis of this phenomenon was recognized more than fifty years ago as the activation of plasminogen, the precursor of a tryptic protease, then known as profibrinolysin. Despite this long history, detailed data on the biochemistry of plasminogen activation have only become available recently. Urokinase (now designated urokinase-type plasminogen activator : u-PA) is synthesized and secreted as a single chain polypeptide (Mr-: 53,000) by many cell types. S
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