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Journal articles on the topic 'Decationization'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Kolesnik, E. A., M. A. Derkho, and M. B. Rebezov. "Lysosomal cationic proteins as the basis of cellular and humoral immunity of animals: the role of neutrophil extracellular traps (NETs) in immune homeostasis (review)." Agrarian science 1, no. 1 (2025): 57–70. https://doi.org/10.32634/0869-8155-2025-390-01-57-70.

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Relevance. Lysosomal cationic proteins (LCP) of granulocytic leukocytes: elastase, cathepsin G, proteinase-3, calgranulin, cathelicidins, defensins, lactoferrin, protegrins are active against viruses, bacteria, fungi, protozoa. The issues of physiological regulatory, immune and pathological effects of LCP and their derivatives – neutrophil (heterophil) extracellular traps (NETs) on pathogens, healthy cellular and tissue structures of the body are noted.Results. The increment of LCP granulocytes is realized by: 1. merocrine type — by degranulation; 2. exocytosis and false degranulation, that is

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2

Kolesnik, Evgeniy A., Marina A. Derkho, and Maksim B. Rebezov. "Lysosomal cationic proteins as the basis of cellular and humoral immunity of animals: the role of neutrophil extracellular traps (NETs) in immune homeostasis (review)." Agrarian science 390, no. 01 (2025): 57–70. https://doi.org/10.32634/0869-8155-2025-390-01-57-70.

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Abstract <strong>Relevance. </strong>Lysosomal cationic proteins (<em>LCP</em>) of granulocytic leukocytes: elastase, cathepsin G, proteinase-3, calgranulin, cathelicidins, defensins, lactoferrin, protegrins are active against viruses, bacteria, fungi, protozoa. The issues of physiological regulatory, immune and pathological effects of <em>LCP</em> and their derivatives – neutrophil (heterophil) extracellular traps (<em>NETs</em>) on pathogens, healthy cellular and tissue structures of the body are noted.<strong>Results. </strong>The increment of <em>LCP</em> granulocytes is re

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3

Tsitsishvili, Vladimer, Nanuli Dolaberidze, Nagima Dzhakipbekova, et al. "Heat-acid treatment of georgian and kazakhstani natural heulandite-chabazites." InterConf, no. 43(193) (March 20, 2024): 461–76. http://dx.doi.org/10.51582/interconf.19-20.03.2024.045.

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The article considers the processes leading to a change in the structure and properties as a result of thermal treatment followed by acid treatment of natural zeolites from the Rkoni plot of the Tedzami deposit, Georgia, containing up to 80% of heulandite and 10% of chabazite, and from the Chankanay deposit, Kazakhstan, containing up to 70% of heulandite-chabazite mixture, selected for the creation of new bactericidal zeolite filter materials for purification and desinfection of water from various sources. The influence of preliminary heat treatment of the studied natural zeolites on weight lo

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4

Ozin, Geoffrey A., Saim Ozkar, and Lisa McMurray. "Proton-loaded zeolites. 2. Dehydrohalogenation versus decationization kinetics: cation and acidity effects." Journal of Physical Chemistry 94, no. 21 (1990): 8289–96. http://dx.doi.org/10.1021/j100384a054.

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5

Marques, Jo?o P., Gonçalo Caeiro, Isabelle Gener, José M. Lopes, and and Fernando Ramôa Ribeiro. "Decationization of BEA zeolite by conventional and microwave promoted ion exchange procedures." Reaction Kinetics and Catalysis Letters 86, no. 2 (2005): 389–96. http://dx.doi.org/10.1007/s11144-005-0335-x.

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6

Rožić, M., Š. Cerjan-Stefanović, S. Kurajica, M. Rožmarić Maěefat, K. Margeta, and A. Farkaš. "Decationization and dealumination of clinoptilolite tuff and ammonium exchange on acid-modified tuff." Journal of Colloid and Interface Science 284, no. 1 (2005): 48–56. http://dx.doi.org/10.1016/j.jcis.2004.09.061.

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7

Pushcharovskii, D. Yu, I. V. Pekov, M. Pasero, E. R. Gobechiya, S. Merlino, and N. V. Zubkova. "Crystal structure of cation-deficient calciohilairite and possible mechanisms of decationization in mixed-framework minerals." Crystallography Reports 47, no. 5 (2002): 748–52. http://dx.doi.org/10.1134/1.1509388.

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8

Hudec, Pavol, Jozef Novanský, Anna Bučinská, Štefan Morávek, and Zdenek Židek. "Changes in Physico-Chemical and Catalytic Properties of Synthetic Erionite after Various Treatment." Collection of Czechoslovak Chemical Communications 57, no. 4 (1992): 845–52. http://dx.doi.org/10.1135/cccc19920845.

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Influence of decationization by ammonium ions and dealumination by HCl as well as calcination under self-steaming conditions at 1053 K with following treatment by ammonium ions or by HCl solution on the extent of alkali metals extraction was studied together with surface, sorption, acidic and catalytic properties of synthetic erionite. Samples were also characterized by X-ray diffraction spectra and IR skeletal vibration spectra. Results showed increasing catalytic activity and acidity after thermal treatment, followed by ion exchange with HCl or ammonium ions, which can be connected with deep

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9

Lee, Songhyun, Hyeonbin Kim, and Minkee Choi. "Controlled decationization of X zeolite: mesopore generation within zeolite crystallites for bulky molecular adsorption and transformation." Journal of Materials Chemistry A 1, no. 39 (2013): 12096. http://dx.doi.org/10.1039/c3ta11256j.

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10

Leonova, Aleksandra A., Svetlana A. Yashnik, Evgeny A. Paukshtis, and Maksim S. Mel’gunov. "Unusual Acid Sites in LSX Zeolite: Formation Features and Physico-Chemical Properties." Materials 16, no. 6 (2023): 2308. http://dx.doi.org/10.3390/ma16062308.

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The advanced approach for the preparation of the NH4 form of highly crystalline LSX zeolite under gentle drying conditions (40 °C, membrane pump dynamic vacuum) is discussed. Decationization of this form at moderate temperatures led to the formation of Brønsted acid sites (BASs), whose concentration and strength were characterized by IR spectroscopy. It was found that a maximum concentration of three BASs per unit cell can be achieved at 200 °C prior to the initiation of zeolite structure degradation. The proton affinity of BASs is unusual, and aspires 1240 kJ/mol, which is significantly highe

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11

Kuznetsov, P. N., L. I. Kuznetsova, and E. A. Kutikhina. "Effect of the decationization of brown coal from the Kansk-Achinsk Basin on the physicochemical properties of the resulting sorbents." Solid Fuel Chemistry 42, no. 3 (2008): 153–59. http://dx.doi.org/10.3103/s0361521908030063.

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12

Tsitsishvili, Vladimer, Marinela Panayotova, Nato Mirdzveli, et al. "Acid Resistance and Ion-Exchange Capacity of Natural Mixtures of Heulandite and Chabazite." Minerals 13, no. 3 (2023): 364. http://dx.doi.org/10.3390/min13030364.

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The recovery and immobilization of metals from wastewater often occurs in an acidic environment that destroys the structure of adsorbents such as zeolites, which are porous crystalline aluminosilicates. The influence of hydrochloric acid solutions on the structure and properties of two natural mixtures of heulandite (HEU) and chabazite (CHA)—tuff from the Georgian Dzegvi-Tedzami deposit (HEU/CHA ≈ 8) and rock from the Kazakhstani deposit Chankanay (HEU/CHA≈1)—was studied by the X-ray energy dispersion spectra and diffraction patterns, as well as by adsorption of water, benzene, and nitrogen me

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13

Tsitsishvili, V. G., N. M. Dolaberidze, M. O. Nijaradze, N. A. Mirdzveli, Z. S. Amiridze, and B. T. Khutsishvili. "Acid and thermal treatment of natural heulandite." Himia, Fizika ta Tehnologia Poverhni 14, no. 4 (2023): 519–33. http://dx.doi.org/10.15407/hftp14.04.519.

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Acid treatment of natural zeolites is considered to be an effective method of “improving” their structure and properties, among which thermal stability occupies a special place, especially for catalytic applications of zeolites. The influence of hydrochloric acid solutions with concentrations up to 2 mol/L and calcination at temperatures up to 1100 °C on the structure and properties of heulandite-containing tuff from the Georgian Dzegvi-Tedzami deposit, selected for the creation of new bactericidal zeolite filter materials for purification and desinfection of water from various sources, was st

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14

Kobzeva, A. V., D. A. Krivolapova, and E. V. Evdokimova. "Cell models in keratoconus nature research." Modern technologies in ophtalmology 60, no. 2 (2025): 257–58. https://doi.org/10.25276/2312-4911-2025-2-257-258.

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Relevance It is known that a violation of the microelement environment occurs in the development of some corneal diseases, including keratoconus (KC). In this disease, the corneal tissue is depleted of chalcophile metal ions (iron, copper and zinc), which ultimately results in a violation of its biomechanical properties. Despite the active development of precision methods for studying the cornea [1], the study of the etiopathogenesis of KC is still significantly complicated in patients in vivo, and modeling is difficult to reproduce in animals [2]. Modern cellular technologies make it possible

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15

E.A., Kolesnik, Derkho M.A., and Lebedeva I.A. "Comprehensive Morphophysiological Description of the Immune Lysosomal Cationic Protein of Leukocytes in the Early Ontogeny of Broiler Chickens." Uchenye Zapiski Kazanskogo Universiteta. Seriya Estestvennye Nauki 161, no. 3 (2019): 440–58. https://doi.org/10.26907/2542-064X.2019.3.440-458.

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Cationic proteins (CP) in the lysosomes of polymorphonuclear leukocytes were identified using the cytochemical reaction according to M.G. Shubitch and the leucogram as suggested by A. Pappenheim – in the smear samples made from the whole blood of broiler chickens of the Hubbard ISA F15 cross (all chickens were divided into four groups (n = 10) depending on their age (P1, P7, P23, and P42): days 1, 7, 23, and 42 of postnatal ontogeny) of the industrial herd. Morphological changes in the lysosomes with cationic proteins were characterized. Complex morphophysiological criteria of the cation

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16

Tsitsishvili, Vladimer, Ketevan Ebralidze, Nanuli Dolaberidze, et al. "Kwaśna modyfikacja gruzińskiego heulandytu naturalnego." Inżynieria Mineralna 1, no. 1 (2024). http://dx.doi.org/10.29227/im-2024-01-54.

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Acid treatment is a powerful tool for improving the performance of natural zeolites, and the purpose of our work was to study chemical composition, structure and properties of acid-treated heulandite from the Tedzami-Dzegvi deposit. Samples of heulandite-containing tuff from the Rkoni plot with zeolite phase content up to 90%, consisting of heulandite and chabazite in a ratio of 8:1, and having chemical composition described by empirical formula |Na0.25K0.06Ca0.19Mg0.15)|[AlSi3.6O9.2].3H2O were treated with hydrochloric acid solutions with concentration up to 2.0 N. It was established that aci

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17

Kobzeva, Anna V. "Сell model for experimental research in keratoconus pathogenesis". Genes & Cells, 29 березня 2023. http://dx.doi.org/10.23868/gc321383.

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Introduction. Certain mineral elements dismetabolism is known to play an important part in the pathogenesis of the corneal degenerative and dystrophic diseases, as metalloenzymes participate in connective tissues metabolism affecting their properties. Thus, in keratoconus corneal tissue is depleted in iron, copper and zinc, what could be the underlying cause of cornea biomechanical properties impairment. Keratoconus modeling is complicated and practically not reproducible in animals, therefore cell models elaboration is very much in demand. Definite mineral elements content must be reduced in

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18

Sakhibgareev, S. R., A. D. Badikova, I. G. Ibragimov, and M. A. Tsadkin. "Catalytic cracking of heavy petroleum feedstocks on zeolite-containing catalysts promoted with metal chloride additives." SOCAR Proceedings, SI1 (December 30, 2024). http://dx.doi.org/10.5510/ogp2024si100983.

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The article presents the research results of the thermocatalytic transformation of fuel oil of West- Siberian oil in a batch reactor at atmospheric pressure, the active component of the catalyst is a metal chloride complex on a carrier, which is used as a deeply decationized Y zeolite in the H-form (HYmmm ‒ decationization degree 94%) with a hierarchical structure: micro-, meso-, macroporous. The process of applying the active additive to the surface of the carrier was carried out through a high-temperature melt of a metal chloride complex based on metal chlorides VIII MPT in order to increase

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