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Journal articles on the topic 'Cadmium cations'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Bolanle-Ojo, Tope O., Abiodun D. Joshua, Opeyemi A. Agbo-Adediran, et al. "Exchange Characteristics of Lead, Zinc, and Cadmium in Selected Tropical Soils." International Journal of Agronomy 2014 (2014): 1–7. http://dx.doi.org/10.1155/2014/428569.

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Conducting binary-exchange experiments is a common way to identify cationic preferences of exchangeable phases in soil. Cation exchange reactions and thermodynamic studies of Pb2+/Ca2+, Cd2+/Ca2+, and Zn2+/Ca2+were carried out on three surface (0–30 cm) soil samples from Adamawa and Niger States in Nigeria using the batch method. The physicochemical properties studies of the soils showed that the soils have neutral pH values, low organic matter contents, low exchangeable bases, and low effective cation exchange capacity (mean: 3.27 cmolc kg−1) but relatively high base saturations (≫50%) with a

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2

Lu, Yang, Wei-Qiang Liao, and Xiu-Ni Hua. "A new two-dimensional polymeric cadmium(II) complex containing dicyanamide bridging ligands." Acta Crystallographica Section C Structural Chemistry 73, no. 11 (2017): 885–88. http://dx.doi.org/10.1107/s2053229617013614.

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As part of an exploration of new coordination polymers, a cadmium-dicyanamide complex, namely poly[benzyltriethylammonium [tri-μ-dicyanamido-κ6 N 1:N 5-cadmium(II)]], {(C13H22N)[Cd(C2N3)3]} n , has been synthesized by the reaction of benzyltriethylammonium bromide, cadmium nitrate tetrahydrate and sodium dicyanamide in aqueous solution, and characterized by single-crystal X-ray diffraction at room temperature. In the crystal structure, each CdII cation is coordinated by six nitrile N atoms from six anionic dicyanamide (dca) ligands to furnish a slightly distorted octahedral geometry. Neighbour

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3

Mamedova, G. A. "THE ION-EXCHANGE PROPERTIES OF NATURAL ZEOLITE MORDENITE." Fine Chemical Technologies 11, no. 1 (2016): 29–33. http://dx.doi.org/10.32362/2410-6593-2016-11-1-29-33.

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The cation exchange properties of mordenite (a Nakhchivan natural zeolite) were studied. Ion exchange of the original cations - sodium, potassium and calcium - by magnesium, strontium, cadmium, zinc and nickel cations was carried out. It was found that in the case of Zn cations cation exchange occurs readily at a high speed and the maximum value of the degree of exchange. A low value of the degree of cation exchange is observed for Mg. This is due to the large hydration shell of magnesium, which adversely affects the cation exchange. High values of the exchange rate of Na+ cations have already

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4

Bouchene, Rafika, Sofiane Bouacida, Fadila Berrah, and Thierry Roisnel. "A simple hydrated salt with a complex hydrogen-bonding network: tetrakis(5-amino-3-carboxy-4H-1,2,4-triazol-1-ium) hexachloridocadmate(II) tetrahydrate." Acta Crystallographica Section C Structural Chemistry 70, no. 7 (2014): 672–76. http://dx.doi.org/10.1107/s2053229614012819.

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In the title cadmium chloride salt, (C3H5N4O2)4[CdCl6]·4H2O, the asymmetric unit comprises two N-protonated 5-amino-3-carboxy-4H-1,2,4-triazol-1-ium cations, half a [CdCl6]4−anion and two molecules of water. The Cd2+cation is located on a centre of inversion and is coordinated by six chloride anions, forming a distorted octahedron. In the crystal structure, alternating layers of cations and anions are arranged along the [101] direction, forming a three-dimensional supramolecular networkviaa combination of hydrogen-bonding and aromatic stacking interactions.

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5

Marshall, Wayne E., Lynda H. Wartelle, and Danny E. Akin. "Flax shive as a source of activated carbon for metals remediation." BioResources 2, no. 1 (2007): 82–90. http://dx.doi.org/10.15376/biores.2.1.82-90.

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Flax shive constitutes about 70% of the flax stem and has limited use. Because shive is a lignocellulosic by-product, it can potentially be pyrolyzed and activated to produce an activated carbon. The objective of this study was to create an activated carbon from flax shive by chemical activation in order to achieve significant binding of selected divalent cations (cadmium, calcium, copper, magnesium, nickel, zinc). Shive carbons activated by exposure to phosphoric acid and com-pressed air showed greater binding of cadmium, copper, nickel or zinc than a sulfuric acid-activated flax shive carbon

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6

Anton, Andreas, Cornelia Große, Jana Reißmann, Thomas Pribyl, and Dietrich H. Nies. "CzcD Is a Heavy Metal Ion Transporter Involved in Regulation of Heavy Metal Resistance in Ralstonia sp. Strain CH34." Journal of Bacteriology 181, no. 22 (1999): 6876–81. http://dx.doi.org/10.1128/jb.181.22.6876-6881.1999.

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ABSTRACT The Czc system of Ralstonia sp. strain CH34 mediates resistance to cobalt, zinc, and cadmium through ion efflux catalyzed by the CzcCB2A cation-proton antiporter. The CzcD protein is involved in the regulation of the Czc system. It is a membrane-bound protein with at least four transmembrane α-helices and is a member of a subfamily of the cation diffusion facilitator (CDF) protein family, which occurs in all three domains of life. The deletion ofczcD in a Ralstonia sp. led to partially constitutive expression of the Czc system due to an increased transcription of the structural czcCBA

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7

Aly, H. M., and A. A. M. Daifullah. "Potential Use of Bagasse Pith for the Treatment of Wastewater Containing Metals." Adsorption Science & Technology 16, no. 1 (1998): 33–38. http://dx.doi.org/10.1177/026361749801600105.

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Bagasse pith was tested for its ability to remove cadmium and lead ions from aqueous solutions under two modes of operation, i.e. in batch systems and continuous flow systems. Time dependency experiments showed a very rapid adsorption of these cations by bagasse pith. Thus, 62% of cadmium ions and 84% of lead ions were taken up by the bagasse pith at pH 6 and ca. 99% of each cation was recovered by treatment of the pith with 0.1 M HCl. The breakthrough capacity, Q0.5, the number of theoretical plates and the theoretical plate height were calculated. The capacity of bagasse pith was found to be

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8

Dimowa, Louiza, and Yana Tzvetanova. "Powder XRD Study of Changes of Cd2+ Modified Clinoptilolite at Different Stages of the Ion Exchange Process." Minerals 11, no. 10 (2021): 1130. http://dx.doi.org/10.3390/min11101130.

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Cadmium exchange on clinoptilolite is performed and structurally studied for different durations of the ion exchange process (2 h, 24 h, 72 h, 168 h, 12 days, 22 days) at room temperature and 90 °C. The distribution of Cd2+ ions in all samples is elucidated after exchange on clinoptilolite using powder XRD data processed by Rietveld structural software. Clinoptilolite is not selective for cadmium cations, but at 90 °C the exchange is ~2.5 cations per unit cell. At RT it reaches ~1.25 cations per unit cell being twice as low. The obtained maximum exchanged sample for 22 days 90 °C was structura

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9

Khoshbouy, Reza, Rico Lejiu, Fumitake Takahashi, and Kunio Yoshikawa. "Effect of acid-assisted hydrothermal carbonization (HTC) process of tree branches using nitric acid on cadmium adsorption." E3S Web of Conferences 67 (2018): 03033. http://dx.doi.org/10.1051/e3sconf/20186703033.

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Application of acid in HTC process has been confirmed to have effect on hydrochar properties related to its adsorption capacity. Woody materials (tree branches) were used to investigate the relation of nitric acid addition in HTC process on the hydrochar surface properties and its adsorption mechanism toward cadmium in water solution. Tree branches were processed at 200-260 °C mixed with water and nitric acid (HNO3) at ratio 0-50% to hydrochar mass and held for holding time of 30, 105 and 180 minutes. Batch adsorption test was conducted by mixing the hydrochars with cadmium solution at 100 ppm

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10

Cacho, Frantisek, Lukas Lauko, Alena Manova, Jan Dzurov, and Ernest Beinrohr. "Sequential Determination of Total Arsenic and Cadmium in Concentrated Cadmium Sulphate Solutions by Flow-Through Stripping Chronopotentiometry after Online Cation Exchanger Separation." Journal of Analytical Methods in Chemistry 2012 (2012): 1–6. http://dx.doi.org/10.1155/2012/814983.

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Flow-through stripping chronopotentiometry with a gold wire electrode was used for the determination of total arsenic and cadmium in cadmium sulphate solutions for cadmium production. The analysis is based on the online separation of arsenic as arsenate anion from cadmium cations by means of a cation exchanger. On measuring arsenate in the effluent, the trapped cadmium is eluted by sodium chloride solution and determined in a small segment of the effluent by making use of the same electrode. The elaborated protocol enables a full automatic measurement of both species in the same sample solutio

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11

Shu-Lung, Kuo, and Ming-Yang Wu Edward. "Adsorption of cadmium and aniline of organoclay by HDTMA and CDTEA intercalating." Journal of Indian Chemical Society Vol. 91, Sep 2014 (2014): 1757–63. https://doi.org/10.5281/zenodo.5733616.

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Engineering Consultant, Kelee Environmental Consultant Corporation, 6F.-2, No. 288-8, Sinya Road, Kaohsiung City 806, Taiwan <em>E-mail </em>: singsuey@ms28.hinet.net <em>Fax </em>: 886-7-8150816 Department of Civil and Ecological Engineering, I-Shou University, No. 1, Sec. 1, Syecheng Rd., Daishu District, Kaohsiung City 840, Taiwan <em>E-mail</em> : edmywu@isu.edu.tw <em>Manuscript received online 10 January 2014, revised 28 February 2014, accepted 10 April 2014</em> Organic cations such as quaternary ammonium cations (QACs) can be used to replace inorganic cations to form an organic-inorgan

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12

Li, Qiang. "A three-dimensional anionic metal–dicyanamide network in poly[ethyltriphenylphosphonium [tri-μ2-dicyanamidato-cadmium(II)]]". Acta Crystallographica Section C Structural Chemistry 71, № 1 (2015): 65–68. http://dx.doi.org/10.1107/s2053229614027090.

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The title compound, (C20H20P)[Cd(C2N3)3], consists of ethyltriphenylphosphonium (EtPh3P+) cations filling voids in a three-dimensional anionic cadmium dicyanamide network. In the structure, each CdIIatom is connected to six neighbouring CdIIatoms through six separate dicyanamide ligands, forming cube-shaped cages. The three-dimensional anionic network encloses a solvent-accessible void space of 1851 Å3, amounting to 69.3% of the unit-cell volume. Each cage accommodates only one EtPh3P+cation.

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13

Theppitak, Chatphorn, and Kittipong Chainok. "Crystal structure of CdSO4(H2O): a redetermination." Acta Crystallographica Section E Crystallographic Communications 71, no. 10 (2015): i8—i9. http://dx.doi.org/10.1107/s2056989015016904.

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The crystal structure of the title compound, cadmium sulfate monohydrate or poly[(μ2-aqua)(μ4-sulfato)cadmium], was redetermined based on modern CMOS (complementary metal oxide silicon) data. In comparison with the previous study [Bregeault & Herpin (1970).Bull. Soc. Fr. Mineral. Cristallogr.93, 37–42], all non-H atoms were refined with anisotropic displacement parameters and the hydrogen-bonding pattern unambiguously established due to location of the hydrogen atoms. In addition, a significant improvement in terms of precision and accuracy was achieved. In the crystal, the Cd2+cation is c

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14

Liu, Ming-Liang, and Li-Hui Kong. "Two novel trimethylsulfonium salts with polymeric {[SbCl4]−}nor {[CdCl3]−}nanions." Acta Crystallographica Section C Structural Chemistry 70, no. 2 (2014): 169–72. http://dx.doi.org/10.1107/s2053229613034207.

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The title organic–inorganic hybrid salts poly[trimethylsulfonium [[dichloridoantimony(III)]-di-μ-chlorido]], {(C3H9S)[SbCl4]}n, (I), andcatena-poly[trimethylsulfonium [cadmium(II)-tri-μ-chlorido]], {(C3H9S)[CdCl3]}n, (II), consist of trimethylsulfonium cations and polymeric {[SbCl4]−}nor {[CdCl3]−}nanions. The central metal atoms are coordinated by six Cl atoms, forming an anionic {[SbCl4]−}nthree-dimensional framework (two of the four bridging chloride anions are located on two different centres of inversion) or anionic {[CdCl3]−}none-dimensional chains. The trimethylsulfonium cation of (II)

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15

Bala, Ritu, Alan R. Kennedy, Kalpna Saneja та Raj Pal Sharma. "catena-Poly[benzyltrimethylammonium [cadmium(II)-tri-μ2-thiocyanato]]". Acta Crystallographica Section E Structure Reports Online 62, № 7 (2006): m1630—m1632. http://dx.doi.org/10.1107/s1600536806022938.

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The title compound, {(C10H16N)[Cd(SCN)3]} n , contains [(C6H5CH2)N(CH3)3]+ cations lying between one-dimensional chains of stoichiometry {[Cd(SCN)3]−} n . Each CdII ion is 3N,3S-hexacoordinated by thiocyanate ligands, in an octahedral fac arrangement. The asymmetric unit contains two cations and two anions.

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16

Mirabi, Ali, Ali Shokuhi Rad, Mohammad Reza Jamali та Nasim Danesh. "Use of Modified γ-Alumina Nanoparticles for the Extraction and Preconcentration of Trace Amounts of Cadmium Ions". Australian Journal of Chemistry 69, № 3 (2016): 314. http://dx.doi.org/10.1071/ch15391.

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We used γ-Al2O3 nanoparticles coated with sodium dodecyl sulfate–4-(2-pyridylazo)resorcinol (SDS–PAR) as an innovative sorbent for the extraction and preconcentration of trace amounts of cadmium cations. The properties of the prepared sorbent were examined by scanning electron microscopy. The effects of different parameters towards the separation and preconcentration of trace amounts of cadmium ions, such as the quantity of sorbent, the pH value, and choice of solvent for recovery of the sorbent, were investigated. Under optimum operating conditions, a cadmium ion enrichment factor of 20 was o

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17

Brewer, L. N., D. R. Kammler, T. O. Mason, and V. P. Dravid. "Combined CBED/Alchemi Analysis of Crystallography and Cation Distributions in the Transparent Conductive Oxide Cd1+XIn2-2XSnxO4." Microscopy and Microanalysis 6, S2 (2000): 396–97. http://dx.doi.org/10.1017/s1431927600034474.

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Transparent conductive oxide materials (TCO) are currently under development for use as electrodes in optical systems such as photovoltaics and flat panel displays. Indium-tin based oxides and cadmium-tin based oxides have been investigated in the past but have received more attention recently due to their high electron mobilities. The mechanisms for conduction in these systems are not fully understood, but the distribution of cations within the lattice is thought to be of importance. We are currently studying the Cd1+xIn2-2xSnxO4 system for use as a TCO material. In particular, we are interes

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18

Li, Ya-Ping, Li-Ying Han, Julia Ming та Guan-Fang Su. "Crystal structure of bis{2-[bis(2-hydroxyethyl)amino]ethanol-κ4O,N,O′,O′′}cadmium terephthalate". Acta Crystallographica Section E Structure Reports Online 70, № 11 (2014): m371. http://dx.doi.org/10.1107/s1600536814022375.

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In the title salt, [Cd(C6H15NO3)2](C8H4O4), the Cd2+cation is coordinated by six O atoms and two N atoms from two tetradentate 2-[bis(2-hydroxyethyl)amino]ethanol ligands, displaying a distorted square-antiprismatic coordination. The terephthalate dianion does not coordinate to the cation but is connected through O...H—O hydrogen bonds of medium strength to the complex cations, leading to a layered structure extending parallel to (100).

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19

Forughirad, Abdollah, Ataallah Bahrami, Khalil Farhadi, Anahita Fathi Azerbaijani, and Fatemeh Kazemi. "COMPARATIVE OF NATURAL ZEOLITE – CLINOPTILOLITE ELIMINATION OF METAL IONS/ESPECIALLY Cu (II) WITH D-PENICILLAMINE FROM BIOLOGICAL ENVIRONMENTS." Rudarsko-geološko-naftni zbornik 36, no. 4 (2021): 11–19. http://dx.doi.org/10.17794/rgn.2021.4.2.

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Clinoptilolite is used as an adsorbent to remove heavy metal cations due to its function as a molecular sieve. This molecular sieve characteristic has made it possible to study the efficiency of clinoptilolite and D-Penicillamine in a comparative way in terms of the adsorption of heavy metals (especially copper) from a biological medium. For this purpose, clinoptilolite was subjected to grinding to produce a homogenized micronized powder in two sizes with d90=75 and 150 μm. Then, initial adsorption tests in an aqueous medium were performed on 10 ppm solutions of iron, zinc, copper, cadmium and

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20

Radovanović, Milan B., Marija B. Petrović Mihajlović, Ana T. Simonović, Žaklina Tasić, and Milan M. Antonijević. "Electrochemical Detection of Cadmium Using a Bismuth Film Deposited on a Brass Electrode." Sensors 25, no. 1 (2024): 159. https://doi.org/10.3390/s25010159.

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Cadmium is one of the most dangerous pollutants found in the environment, where it exists mainly due to human activities. High cadmium concentrations can cause serious problems, which is why the detection and determination of Cd is one of the most important tasks. Electroanalytical methods provide rapid and accurate results in the detection of cadmium in various solutions. In this study, the possibility of using a bismuth film electrode deposited on a brass surface and electroanalytical techniques for the detection of cadmium is investigated. The bismuth film was deposited on the surface of th

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21

Werner, Julia, Inke Jess та Christian Näther. "Crystal structure of poly[[μ-4-(hydroxymethyl)pyridine-κ2N:O][4-(hydroxymethyl)pyridine-κN](μ-thiocyanato-κ2N:S)(thiocyanato-κN)cadmium]". Acta Crystallographica Section E Crystallographic Communications 71, № 6 (2015): m129—m130. http://dx.doi.org/10.1107/s2056989015008890.

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The crystal structure of the title compound, [Cd(NCS)2(C6H7NO)2]nis made up of Cd2+cations that are coordinated by three thiocyanate ligands and three 4-(hydroxymethyl)pyridine ligands within distorted N4OS octahedra. The asymmetric unit consists of one Cd2+cation, two thiocyanate anions and two 4-(hydroxymethyl)pyridine ligands in general positions. Two Cd2+cations are linked by two μ-1,3N- andS-bonding thioycanate anions into dimers which are further linked into branched chains along [100] by two μ-1,6N- andO-bonding 4-(hydroxymethyl)pyridine ligands. One additionalN-bonded 4-(hydroxymethyl)

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22

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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23

Svoboda, Ladislav, and Leona Čáňová. "Sorption of Lead and Cadmium on Ostsorb P and Ostsorb SA-5 Cellulose Sorbents." Collection of Czechoslovak Chemical Communications 57, no. 10 (1992): 2089–94. http://dx.doi.org/10.1135/cccc19922089.

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The effect of pH and ionic strength on the exchange capacity of sorbents based on modified bead cellulose was examined for the sorption of Pb2+ and Cd2+ ions. Ion exchange of these cations in aqueous solutions is nonselective on Ostsorb SA-5, which is cellulose containing functional groups based on H-acid. The medium acidic Ostsorb P cation exchanger with functional groups formed by the phosphoric acid fragment, on the other hand, sorbs lead, and to a lesser extent also cadmium, also at high ionic strengths of the medium even at low pH values.

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24

Gerbino, Esteban, Paula Carasi, E. Elizabeth Tymczyszyn, and Andrea Gómez-Zavaglia. "Removal of cadmium by Lactobacillus kefir as a protective tool against toxicity." Journal of Dairy Research 81, no. 3 (2014): 280–87. http://dx.doi.org/10.1017/s0022029914000314.

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The aim of this work was to evaluate the capacity of Lactobacillus kefir strains to remove cadmium cations and protect eukaryotic cells from cadmium toxicity. Lb. kefir CIDCA 8348 and JCM 5818 were grown in a 1/2 dilution of MRS broth supplemented with Cd(NO3)2 ranging 0 to 1 mM. Growth kinetics were followed during 76 h at 30 °C by registering optical density at 600 nm every 4–10 h. The accumulated concentration of cadmium was determined on cultures in the stationary phase by atomic absorption. The viability of a human hepatoma cell line (HepG2) upon exposure to (a) free cadmium and (b) cadmi

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25

Shen, Fang-Fang, Jiang-Lin Zhao, Kai Chen, et al. "Coordination and supramolecular assemblies of mono-hydroxylated octamethylcucurbit[6]uril with alkali and alkaline earth metal ions in the presence of polychloride cadmium anions." CrystEngComm 19, no. 28 (2017): 4017–24. http://dx.doi.org/10.1039/c7ce00751e.

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26

Sergeeva, L. E., and L. I. Bronnikova. "Cell selection with heavy metal ions for obtaining wheat and maize forms tolerant to osmotic stresses." Faktori eksperimental'noi evolucii organizmiv 22 (September 9, 2018): 318–22. http://dx.doi.org/10.7124/feeo.v22.968.

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Aim. The obtaining tolerant to salt and water stresses wheat and maize variants via cell selection with barium and cadmium heavy metal cations were the idea. Barium cations disrupt the cell potassium transport. Cadmium cations affect the dehydrins. The maintenance of these parameters under stress conditions provides the plant tolerance. Methods. Modified media for initial selection were developed by the supplement of the lethal doses of heavy metal ions. Wheat and maize suspension cultures were plated on selective media. The relative fresh biomass growth was the marker of variant stress tolera

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27

Dalmieda and Kruse. "Metal Cation Detection in Drinking Water." Sensors 19, no. 23 (2019): 5134. http://dx.doi.org/10.3390/s19235134.

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Maintaining a clean water supply is of utmost importance for human civilization. Human activities are putting an increasing strain on Earth’s freshwater reserves and on the quality of available water on Earth. To ensure cleanliness and potability of water, sensors are required to monitor various water quality parameters in surface, ground, drinking, process, and waste water. One set of parameters with high importance is the presence of cations. Some cations can play a beneficial role in human biology, and others have detrimental effects. In this review, various lab-based and field-based method

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Ahearn, H. R., G. A. Ahearn, and J. Gomme. "Integumentary L-histidine transport in a euryhaline polychaete worm: regulatory roles of calcium and cadmium in the transport event." Journal of Experimental Biology 203, no. 18 (2000): 2877–85. http://dx.doi.org/10.1242/jeb.203.18.2877.

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Integumentary uptake of L-[(3)H]histidine by polychaete worms (Nereis succinea) from estuarine waters of Oahu, Hawaii was measured in the presence and absence of calcium and cadmium using a physiological saline that approximated the ion composition of 60 % sea water. In this medium 1 micromol L(−1) cadmium significantly increased (P&lt;0.01) the uptake of 10 micromol L(−1)L-[(3)H]histidine, while 1 micromol L(−1) cadmium plus 25 micromol L(−1)L-leucine significantly decreased (P&lt;0.01) amino acid uptake. L-[(3)H]histidine influx was a sigmoidal function (n=2. 21+/−0.16, mean +/− s.e.

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Feng, Yuquan, Linxia Lv, Dongqin Bi, et al. "Efficient degradation of reactive brilliant red on the first open-framework borate-rich cadmium borophosphate." CrystEngComm 24, no. 3 (2022): 479–83. http://dx.doi.org/10.1039/d1ce01449h.

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The first open-framework borate-rich cadmium borophosphate exhibits excellent ion-exchange capacities with Na+ cations and efficient photocatalytic activities for the degradation of reactive brilliant red (X3B).

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30

Artis, Rylan, Elizabeth Heyward, Naomi Reyes, Kaitlyn Van Ostenbridge, Will E. Lynch, and Clifford W. Padgett. "Syntheses and crystal structures of three triphenylsulfonium halometallate salts of zinc, cadmium and mercury." Acta Crystallographica Section E Crystallographic Communications 81, no. 4 (2025): 358–63. https://doi.org/10.1107/s2056989025002245.

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Bis(triphenylsulfonium) tetrachloridozinc(II), (C18H15S)2[ZnCl4] (I), bis(triphenylsulfonium) tetrachloridocadmium(II), (C18H15S)2[CdCl4] (II), and bis(triphenylsulfonium) tetrachloridomercury(II) methanol monosolvate, (C18H15S)2[HgCl4]·CH3OH (III), each crystallize in the monoclinic space group P21/n. In all three structures, there are two crystallographically independent triphenylsulfonium (TPS) cations per asymmetric unit, each adopting a distorted trigonal–pyramidal geometry about the S atom (S—C bond lengths in the 1.77–1.80 Å range and C—S—C angles of 100–107°). The [MCl4]2– anions (M =

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31

Mohamedi, Nacira, Slim Elleuch, Sihem Boufas, Messaoud Legouira та Faiçal Djazi. "Crystal structure of di-μ-chlorido-bis[dichlorido(L-histidinium-κO)cadmium(II)]". Acta Crystallographica Section E Crystallographic Communications 75, № 6 (2019): 823–25. http://dx.doi.org/10.1107/s205698901900690x.

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In the title compound, [Cd2(C6H9N3O2)2Cl6], the coordination polyhedra around the CdII cations are distorted trigonal bipyramids. Two of the chloride ions (one axial and one equatorial) are bridging to the other metal atom, leading to a Cd...Cd separation of 3.9162 (4) Å. The O atom of the L-histidinium cation lies in an axial site. In the crystal, numerous N—H...Cl, N—H...O, C—H...O and C—H...Cl hydrogen bonds link the molecules into a three-dimensional network. Theoretical calculations and spectroscopic data are available as supporting information.

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Karolewski, Piotr, and Marian J. Giertych. "Influence of toxic metal ions phenols in needles and roots, and on root respiration of Scots pine seedlings." Acta Societatis Botanicorum Poloniae 63, no. 1 (2014): 29–35. http://dx.doi.org/10.5586/asbp.1994.005.

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Nitrates of aluminum, cadmium, manganese and lead cause changes in the content of phenolic compounds (o-dPh and TPh) in needles and roots, and in the rate of dark respiration (DR) of roots of one-year-old seedlings of Scots pine (<i>Pinus sylvestris</i> L.). The changes depend on the cation, the salt concentration used, and the analyzed plant part. The observed changes in the levels of phenolic compounds in needles and roots, and the rate of respiration in roots, indicate the following rank in toxicity of the studied metal cations: Mn < Al < Pb < Cd.

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33

Rouibah, Karima, Abdeslam-Hassen Meniai, Mohamed Tahar Rouibah, Lazhar Deffous, and Mossaab Bencheikh Lehocine. "Elimination of Chromium (VI) and Cadmium(II) from Aqueous Solutions by Adsorption onto Olive Stones." Open Chemical Engineering Journal 3, no. 1 (2009): 41–48. http://dx.doi.org/10.2174/1874123100903010041.

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The present study concerns the test of olive stones as an adsorbent for removing Cd(II) and Cr(VI) from aqueous solutions. The experimental elimination of the two cations was carried out batchwise and the influence of certain physico-chemical parameters such as the contact time, the pH of the solution, the temperature, the solid to liquid ratio, the agitation speed were also considered. The equilibrium adsorption capacity of the olive stones for the case of Cr(VI) followed the Langmuir model, whereas for the Cd(II) cations, the two models i.e. Langmuir and Freundlich were equally representativ

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34

Sun, Su-Wen, та Lei Jin. "A novel pentacoordinated cadmium compound:catena-poly[benzyltriethylammonium [[chloridocadmate(II)]-di-μ-chlorido]]". Acta Crystallographica Section C Crystal Structure Communications 69, № 9 (2013): 1030–33. http://dx.doi.org/10.1107/s010827011302221x.

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The structure of the title one-dimensionalABX3-type organic–inorganic hybrid complex, {(C13H22N)[CdCl3]}n, consists of benzyltriethylammonium cations and one-dimensional anionic {[CdCl3]−}nchains, in which the CdIIcentres are in an unusual two-layer five-coordinated arrangement. The CdIIatom is pentacoordinated by four bridging and one terminal chloride ligand, forming a slightly distorted trigonal bipyramidal ClCd(μ-Cl)4arrangement. The trigonal bipyramid is linked by two opposite shared faces, giving rise to a zigzag linear anionic {[CdCl3]−}nchain. The benzyltriethylammonium cations are loc

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35

Setifi, Fatima, Bernd Morgenstern, Kaspar Hegetschweiler, Zouaoui Setifi, Rachid Touzani та Christopher Glidewell. "Crystal structure ofmeso-di-μ-chlorido-bis[bis(2,2′-bipyridine)cadmium] bis(1,1,3,3-tetracyano-2-ethoxypropenide) 0.81-hydrate". Acta Crystallographica Section E Crystallographic Communications 73, № 1 (2017): 48–52. http://dx.doi.org/10.1107/s205698901601971x.

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The hydrated title salt, [Cd2Cl2(C10H8N2)4](C9H5N4O)2·0.81H2O, was obtained from the hydrothermal reaction between 2,2′-bipyridine, cadmium(II) chloride and potassium 1,1,3,3-tetracyano-2-ethoxypropenide. The binuclear cation lies across a centre of inversion in the space groupP21/c, with the other components in general positions. The cation has approximate, but non-crystallographic 2/msymmetry and each of the CdIIatoms is a stereogenic centre, one having the Δ configuration and the other the Λ configuration. In the anion, one of the C(CN)2units is disordered over two sets of atomic sites havi

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Benguella, B., and H. Benaissa. "Effects of competing cations on cadmium biosorption by chitin." Colloids and Surfaces A: Physicochemical and Engineering Aspects 201, no. 1-3 (2002): 143–50. http://dx.doi.org/10.1016/s0927-7757(01)00899-8.

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BHATTACHARYYA, D. K., and N. C. DUTTA. "Immobilization of Barium, Cadmium and Antimony Cations Over Zirconia." Journal of Nuclear Science and Technology 28, no. 11 (1991): 1014–18. http://dx.doi.org/10.1080/18811248.1991.9731464.

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38

Wang, Hui-Ting, Lin Zhou, and Xiao-Li Wang. "A two-dimensional anionic CdIIpolymer constructed through dicyanamide coordination bridges." Acta Crystallographica Section C Structural Chemistry 71, no. 8 (2015): 717–20. http://dx.doi.org/10.1107/s2053229615013315.

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In the search for potential ferroelectric materials, molecular-based one-, two- and three-dimensional cadmium(II) organic–inorganic compounds have been of interest as they often display solid–solid phase transitions induced by a variation in temperature. A new cadmium dicyanamide complex, poly[4-dimethylamino-1-ethylpyridin-1-ium [tri-μ-dicyanamido-κ6N1:N5-cadmium(II)]], {(C9H15N2)[Cd(C2N3)3]}n, was synthesized by the reaction of 4-dimethylamino-1-ethylpyridin-1-ium bromide, cadmium nitrate tetrahydrate and sodium dicyanamide in aqueous solution. In the crystal structure, each CdIIcation is oc

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39

Verdoucq, Lionel, Alexandre Grondin, and Christophe Maurel. "Structure–function analysis of plant aquaporin AtPIP2;1 gating by divalent cations and protons." Biochemical Journal 415, no. 3 (2008): 409–16. http://dx.doi.org/10.1042/bj20080275.

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Water channel proteins, AQPs (aquaporins), of the PIP (plasma membrane intrinsic protein) subfamily, provide a means for fine and quick adjustments of the plant water status. A molecular model for gating of PIPs by cytosolic protons (H+) and divalent cations was derived from the atomic structure of spinach SoPIP2;1 (Spinacia oleracea PIP2;1) in an open- and a closed-pore conformation. In the present study, we produced the Arabidopsis AtPIP2;1 (Arabidopsis thaliana PIP2;1) homologue in Pichia pastoris, either WT (wild-type) or mutations at residues supposedly involved in gating. Stopped-flow sp

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Ageeva, N. M., A. A. Khrapov, T. N. Kovaleva, and S. G. Maryinskikh. "Study of toxic elements in bentonite suspensions and their migration during wine processing." Fruit growing and viticulture of South Russia 4 (July 17, 2025): 93–100. https://doi.org/10.30679/2219-5335-2025-4-94-93-100.

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Abstract. Bentonites are widely used for processing must, juices, wines, distilleries in order to lighten and stabilize them against turbidity. Bentonites contain metal cations in the form of oxides and exchange ions, including toxic elements that can migrate into it in contact with wine materials. The aim of the work is to investigate the content of iron, copper and toxic elements in suspensions of minerals from various deposits and their migration into processed wine materials. The methods of OST 18-49-71 were used to determine the concentration of metal cations., atomic absorption spectrome

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Jovic, Vladimir, and Borka Jovic. "Processes of adsorption/desorption of iodide anions and cadmium cations onto/from Ag(111)." Journal of the Serbian Chemical Society 76, no. 2 (2011): 283–303. http://dx.doi.org/10.2298/jsc100701026j.

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In this work, the adsorption/desorption processes of iodide anions and cadmium cations in the presence of iodide anions onto/from Ag(111) were investigated. It was shown that both processes were complex, characterized by several peaks on the cyclic voltammograms (CVs). By PeakFit analysis of the recorded CVs and subsequent fitting of the obtained peaks by the Frumkin adsorption isotherm, the interaction parameter (f) and the Gibbs energy of adsorption (?G?ads) for each adsorbed phase were determined. In the case of iodide adsorption, four peaks were characterized by negative values of f, indic

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Yous, Radhia, Razika Khalladi, and Hakima Cherifi. "Simultaneous sorption of heavy metals on Algerian Bentonite: mechanism study." Water Science and Technology 84, no. 12 (2021): 3676–88. http://dx.doi.org/10.2166/wst.2021.474.

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Abstract Industrialization has induced tremendous environmental problems, particularly surface and underground water pollution by harmful heavy metals. In this work, we attempt to eliminate simultaneously iron and cadmium from aqueous solutions by adsorption on Algerian Bentonite. This abundant material was used without any modification. The sorption mechanism was investigated, and effects of pH, initial adsorbate and adsorbent concentrations were studied. The kinetics study revealed that equilibrium was reached after 120 min for both metals, and maximal adsorbed quantities of cadmium (76 mg/g

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A., K. CHAKRAVARTI, DATTAGUPTA A., CHAKRABARTY T., C. MUKHERJEE D., and P. MAULIK S. "Liquid - Liquid Extraction of Cadmium(II) and Lead(II) as their Ethyl Xanthates." Journal of Indian Chemical Society Vol. 70, Mar 1993 (1993): 230–33. https://doi.org/10.5281/zenodo.5913993.

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Microanalytical Laboratory, Department of Pure Chemistry, Universiry of Calcutta, 92, Acharya Prafulla Chandra Road, Calcutta-700 009 Department of Chemistry, Jadavpur University, Calcutta-700 032 <em>Manuscript received 11 August 1992, revised 4 December 1992, accepted 7 January 1993</em> Methods of quantitative extraction of cadmium and lead with potassium ethylxanthate into carbon tetrachloride, the effect of sixteen cations and ten aniom on these extractions, their separation from the interfering ions in binary, ternary and quarternary mixtures as well as estimation (EDTA) after strip

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44

Nelson, M. T. "Interactions of divalent cations with single calcium channels from rat brain synaptosomes." Journal of General Physiology 87, no. 2 (1986): 201–22. http://dx.doi.org/10.1085/jgp.87.2.201.

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Voltage-dependent calcium channels from a rat brain membrane preparation ("synaptosomes") were incorporated into planar lipid bilayers. The effects of calcium, barium, strontium, manganese, and cadmium ions on the amplitudes and kinetics of single channel currents were examined. The order of single channel conductances was gBa greater than gSr greater than gMn, which was the inverse of the order of the mean channel open times: TMn greater than TCa = TSr greater than TBa. In contrast, the identity of the charge carrier had little or no effect on the mean closed times of the channel. Manganese,

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45

Mączka, Mirosław, Dagmara Stefańska, Maciej Ptak, Anna Gągor, Adam Pikul, and Adam Sieradzki. "Cadmium and manganese hypophosphite perovskites templated by formamidinium cations: dielectric, optical and magnetic properties." Dalton Transactions 50, no. 7 (2021): 2639–47. http://dx.doi.org/10.1039/d0dt03995k.

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46

Helbig, Kerstin, Cornelia Grosse, and Dietrich H. Nies. "Cadmium Toxicity in Glutathione Mutants of Escherichia coli." Journal of Bacteriology 190, no. 15 (2008): 5439–54. http://dx.doi.org/10.1128/jb.00272-08.

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ABSTRACTThe higher affinity of Cd2+for sulfur compounds than for nitrogen and oxygen led to the theoretical consideration that cadmium toxicity should result mainly from the binding of Cd2+to sulfide, thiol groups, and sulfur-rich complex compounds rather than from Cd2+replacement of transition-metal cations from nitrogen- or oxygen-rich biological compounds. This hypothesis was tested by usingEscherichia colifor a global transcriptome analysis of cells synthesizing glutathione (GSH; wild type), γ-glutamylcysteine (ΔgshBmutant), or neither of the two cellular thiols (ΔgshAmutant). The resultin

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Groves, P., and M. Palczewska. "Cation binding properties of calretinin, an EF-hand calcium-binding protein." Acta Biochimica Polonica 48, no. 1 (2001): 113–19. http://dx.doi.org/10.18388/abp.2001_5117.

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Calretinin (CR) is a neuronal EF-hand protein previously characterized as a calcium (micromolar affinity) binding protein. CR-containing neurons are spared in some neurodegenerative diseases, although it is as yet unconfirmed how CR plays an active role in this protection. Higher levels of some metal cations (e.g. copper and zinc) are associated with these diseases. At the same time, metals such as terbium (NMR and fluorescence) cadmium (NMR) and manganese (EPR) serve as useful calcium analogues in the study of EF-hand proteins. We survey the binding of the above-mentioned metal cations that m

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Cimbru, Anca Maria, Abbas Abdul Kadhim Klaif Rikabi, Ovidiu Oprea, et al. "pH and pCl Operational Parameters in Some Metallic Ions Separation with Composite Chitosan/Sulfonated Polyether Ether Ketone/Polypropylene Hollow Fibers Membranes." Membranes 12, no. 9 (2022): 833. http://dx.doi.org/10.3390/membranes12090833.

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The development of new composite membranes is required to separate chemical species from aggressive environments without using corrective reagents. One such case is represented by the high hydrochloric acid mixture (very low pH and pCl) that contains mixed metal ions, or that of copper, cadmium, zinc and lead ions in a binary mixture (Cu–Zn and Cd–Pb) or quaternary mixture. This paper presents the obtaining of a composite membrane chitosan (Chi)–sulfonated poly (ether ether ketone) (sPEEK)–polypropylene hollow fiber (Chi/sPEEK/PPHF) and its use in the separation of binary or quaternary mixture

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Wang, Guo-Ming, Zeng-Xin Li та Pei Wang. "Tris(ethylenediamine-κ2N,N′)cadmium hexafluoridogermanate". Acta Crystallographica Section E Structure Reports Online 68, № 4 (2012): m396—m397. http://dx.doi.org/10.1107/s160053681200983x.

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In the title compound, [Cd(C2H8N2)3](GeF6), the CdIIatom, lying on a 32 symmetry site, is coordinated by six N atoms from three ethylenediamine (en) ligands in a distorted octahedral geometry. The Ge atom also lies on a 32 symmetry site and is coordinated by six F atoms. The en ligand has a twofold rotation axis passing through the mid-point of the C—C bond. The F atom is disordered over two sites with equal occupancy factors. In the crystal, the [Cd(en)3]2+cations and [GeF6]2−anions are connected through N—H...F hydrogen bonds, forming a three-dimensional supramolecular network.

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Danková, Zuzana, Annamária Mockovčiaková, and Silvia Dolinská. "Influence of ultrasound irradiation on cadmium cations adsorption by montmorillonite." Desalination and Water Treatment 52, no. 28-30 (2013): 5462–69. http://dx.doi.org/10.1080/19443994.2013.814006.

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