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Journal articles on the topic 'Compounds of heavy metal'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Schuppe, Hans-Christian, Andrea C. Rönnau, Sherko Von Schmiedeberg, Thomas Ruzicka, Ernst Gleichmann, and Peter Griem. "Immunomodulation by heavy metal compounds." Clinics in Dermatology 16, no. 1 (1998): 149–57. http://dx.doi.org/10.1016/s0738-081x(97)00194-6.

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2

Jovanic, Sasa, Dragoslav Stoiljkovic, and Ivanka Popovic. "Polymers contamination by heavy metal compounds." Chemical Industry 56, no. 11 (2002): 483–88. http://dx.doi.org/10.2298/hemind0211483j.

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The contamination of important synthetic (surface unmodified) polymers by various heavy metal compounds (such as copper, manganese and lead) in aqueous medium was investigated in this study. The influence of the pH of the aqueous medium, temperature and metal type on contamination was investigated during a 10 day period. It was found that increasing pH contributed to higher polymer contamination (at higher pH 100 times for copper and up to 400 times for lead), as well as contact with easily penetrable substances. Increasing temperature decreased contamination by the metal compound for PELD and

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3

Jones, Mark M. "Heavy-Metal Detoxification Using Sulfur Compounds." Sulfur reports 4, no. 4 (1985): 119–50. http://dx.doi.org/10.1080/01961778508082472.

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4

Rusetskaya, N. Y., and V. B. Borodulin. "Biological activity of selenorganic compounds at heavy metal salts intoxication." Biomeditsinskaya Khimiya 61, no. 4 (2015): 449–61. http://dx.doi.org/10.18097/pbmc20156104449.

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Possible mechanisms of the antitoxic action of organoselenium compounds in heavy metal poisoning have been considered. Heavy metal toxicity associated with intensification of free radical oxidation, suppression of the antioxidant system, damage to macromolecules, mitochondria and the genetic material can cause apoptotic cell death or the development of carcinogenesis. Organic selenium compounds are effective antioxidants during heavy metal poisoning; they exhibit higher bioavailability in mammals than inorganic ones and they are able to activate antioxidant defense, bind heavy metal ions and r

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5

Yoshii, Tomoya, Fuka Nishitsugu, Kazuki Kikawada, Kenzo Maehashi, and Takashi Ikuta. "Identification of Cadmium Compounds in a Solution Using Graphene-Based Sensor Array." Sensors 23, no. 3 (2023): 1519. http://dx.doi.org/10.3390/s23031519.

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Rapid detection of heavy metals in solution is necessary to ensure human health and environmental protection. Some heavy-metal compounds are present in solution as compounds instead of as ions owing to their low ionization. Therefore, the development of sensor devices for the detection of heavy-metal compounds is important. In this study, as a proof of concept, we propose a sensor device using graphene and a chelating agent, which were used to develop an identification technique for three types of cadmium compounds. Pristine-graphene and two types of chelator-modified graphene-based sensors we

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6

Ribarov, S. R., L. C. Benov, and I. C. Benchev. "ON THE HEAVY METAL COMPOUNDS HEMOLYTIC ACTION." Acta Pharmacologica et Toxicologica 59 (March 13, 2009): 478–81. http://dx.doi.org/10.1111/j.1600-0773.1986.tb02807.x.

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7

Castro, Laura, M. Luisa Blázquez, Felisa González, Jesús A. Muñoz, and Antonio Ballester. "Heavy metal adsorption using biogenic iron compounds." Hydrometallurgy 179 (August 2018): 44–51. http://dx.doi.org/10.1016/j.hydromet.2018.05.029.

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8

Djunaidi, Muhammad Cholid, and Khabibi Khabibi. "Potential Adsorption of Heavy Metal Ions by Eugenol Compounds and Derivatives through Ion Imprinted Polymer." Jurnal Kimia Sains dan Aplikasi 22, no. 6 (2019): 263–68. http://dx.doi.org/10.14710/jksa.22.6.263-268.

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Research on the potential of Ion Imprinted Polymer (IIP) selective adsorption of heavy metals using eugenol compounds and their derivatives has been carried out. Isolation and synthesis of eugenol derivatives with metal selective active groups and their use as selective metal carriers have been carried out with satisfactory results. Carrier effectiveness can still be improved by methods that focus on the target molecule recognition model. This adsorption method is called Ion Imprinted Polymer (IIP). The main components of IIP are functional monomers, crosslinkers, and target molecules. The use

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9

Salbitani, Giovanna, Viviana Maresca, Piergiorgio Cianciullo, Rosanna Bossa, Simona Carfagna, and Adriana Basile. "Non-Protein Thiol Compounds and Antioxidant Responses Involved in Bryophyte Heavy-Metal Tolerance." International Journal of Molecular Sciences 24, no. 6 (2023): 5302. http://dx.doi.org/10.3390/ijms24065302.

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Heavy-metal pollution represents a problem which has been widely discussed in recent years. The biological effects of heavy metals have been studied in both animals and plants, ranging from oxidative stress to genotoxicity. Plants, above all metal-tolerant species, have evolved a wide spectrum of strategies to counteract exposure to toxic metal concentrations. Among these strategies, the chelation and vacuolar sequestration of heavy metals are, after cell-wall immobilization, the first line of defence that prevent heavy metals from interacting with cell components. Furthermore, bryophytes acti

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10

Yang, Lina, Keshu Shen, and Dongping Ji. "Natural compounds attenuate heavy metal-induced PC12 cell damage." Journal of International Medical Research 48, no. 6 (2020): 030006052093084. http://dx.doi.org/10.1177/0300060520930847.

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Objectives To investigate the neuroprotective effects of six natural compounds (caffeine, gallic acid, resveratrol, epigallocatechin gallate [EGCG], L-ascorbic acid and alpha tocopherol [Vitamin E] on heavy metal-induced cell damage in rat PC12 cells. Methods In this in vitro experiment, rat PC12 cells were exposed to four heavy metals (CdCl2, HgCl2, CoCl2 and PbCl2) at different concentrations and cell apoptosis, necrosis and oxidative stress were assessed with and without the addition of the six natural compounds. Results The metals decreased cell viability but the natural compounds attenuat

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11

Wang, Cheng Lin, Xiang Wei Zhu, and Shu Shen Liu. "Toxicity Studies of Ionic Liquids and Heavy Metal Compounds to MCF-7 and Photobacteria Q67." Advanced Materials Research 610-613 (December 2012): 721–24. http://dx.doi.org/10.4028/www.scientific.net/amr.610-613.721.

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The inhibition toxicities of four ionic liquids and four heavy metal compounds to MCF-7 human breast cancer cells (MCF-7) and Vibrio qinghaiensis sp.-Q67 (Q67) were determined using MTS assay and microplate toxicity analysis, respectively. The resulting concentration-response data was modeled by using sigmoidal models (Weibull and Logit). Results showed that all concentration -response relationships could be effectively described by the Weibull or Logit function. The toxicities of ILs to both MCF-7 and Q67 have the alkyl chain effect character. However, the toxicity order of four heavy metal c

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12

HIRANO, Seishiro. "Evaluation of Pulmonary Toxicity of Heavy Metal Compounds." Nippon Eiseigaku Zasshi (Japanese Journal of Hygiene) 50, no. 6 (1996): 1013–25. http://dx.doi.org/10.1265/jjh.50.1013.

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13

Lagrange, P., C. Hérold, V. A. Nalimova, D. E. Sklovsky, and D. Guérard. "New heavy alkali metal-oxygen graphite intercalation compounds." Journal of Physics and Chemistry of Solids 57, no. 6-8 (1996): 707–13. http://dx.doi.org/10.1016/0022-3697(95)00336-3.

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14

Rawls, H. R., J. Starr, F. H. Kasten, M. Murray, J. Smid, and I. Cabasso. "Radiopaque acrylic resins containing miscible heavy-metal compounds." Dental Materials 6, no. 4 (1990): 250–55. http://dx.doi.org/10.1016/s0109-5641(05)80006-5.

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15

Opriș, Ocsana, Ildiko Lung, Katalin Gméling, et al. "Responses of the Allium cepa L. to Heavy Metals from Contaminated Soil." Plants 13, no. 20 (2024): 2913. http://dx.doi.org/10.3390/plants13202913.

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Heavy metals can accumulate and migrate in soil environments and can negatively affect crops and consumers. Because an increased incidence of chronic diseases can be observed, food security has become a high-priority concern. In the present work, we evaluate the impact of heavy metals on bioactive compounds and elemental content from onions. Plants were grown in the absence and presence of various concentrations of heavy metal salts (Pb, Mn, Cu, Zn, Ni and Cd). The influence of heavy metal salts on onions was evaluated by analyzing the content of bioactive compounds, antioxidant capacity, and

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16

Lagrange, Philippe. "Graphite-alkali metal-heavy metal ternary compounds: Synthesis, structure, and superconductivity." Journal of Materials Research 2, no. 6 (1987): 839–45. http://dx.doi.org/10.1557/jmr.1987.0839.

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The main results regarding the synthesis of the graphite intercalation compounds containing a metallic alloy (constituted by an alkali metal and a heavy metal: mercury, thallium, or bismuth) are reported. The synthesis conditions are described: reaction temperatures, compositions of the reactive alloys, and reaction mechanisms. The differences of behavior of the various alloys with respect to the graphite are explained. The structure of the ternary phases is described, and their superconducting properties are reported.

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17

Gogoi, Ankita, Nikha Borah, and Ratul Nath. "Plant Growth-Promoting Bacteria (PGPB): A Potent Source of Heavy Metal Stress Management in Plants." Current World Environment 18, no. 3 (2024): 1298–311. http://dx.doi.org/10.12944/cwe.18.3.30.

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Heavy metals or metalloids are toxic elements found throughout the crust of the earth’s surface. The gradual increase of heavy metal concentration in soil and water due to some natural and anthropogenic activities like application of agrochemicals, waste disposal, industrial activities, mining, smelting, lead-based paints, etc cause stress to the local vegetation. Soil microorganisms play a critical part in the remediation of heavy metal contaminated soil and thereby exert direct or indirect promotion to plant growth. Plant growth-promoting bacteria (PGPB), specially the Plant growth-promoting

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18

Rusetskaya, N. Y., and V. B. Borodulin. "Biological activity of organoselenium compounds in heavy metal intoxication." Biochemistry (Moscow) Supplement Series B: Biomedical Chemistry 9, no. 1 (2015): 45–57. http://dx.doi.org/10.1134/s1990750815010072.

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19

Yang, Hee-Chul, Yong-Chil Seo, Joon-Hyung Kim, Hun-Hwee Park, and Yong Kang. "Vaporization characteristics of heavy metal compounds at elevated temperatures." Korean Journal of Chemical Engineering 11, no. 4 (1994): 232–38. http://dx.doi.org/10.1007/bf02697389.

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20

Burinskii, S. V., and E. I. Turkin. "Fibrous sorbents for removing heavy metal compounds from wastewaters." Fibre Chemistry 40, no. 3 (2008): 198–201. http://dx.doi.org/10.1007/s10692-008-9040-7.

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21

Mordkovich, V. Z., M. Baxendale, Y. Ohki, S. Yoshimura, T. Yamashita, and T. Enoki. "New graphite intercalation compounds with heavy alkali metal superoxides." Journal of Physics and Chemistry of Solids 57, no. 6-8 (1996): 821–25. http://dx.doi.org/10.1016/0022-3697(96)00356-3.

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22

TSEND-AYUSH, Tsermaa, Marco WENZEL, Kerstin GLOE, et al. "Extraction Studies of Heavy Metal Ions Employing Benzothiaoxacrown Compounds." Solvent Extraction Research and Development, Japan 23, no. 1 (2016): 31–41. http://dx.doi.org/10.15261/serdj.23.31.

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23

TAKAMI, Michio. "Cold Jet Infrared Absorption Spectroscopy of Heavy Metal Compounds." Review of Laser Engineering 13, no. 4 (1985): 325–33. http://dx.doi.org/10.2184/lsj.13.325.

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24

Jańczak-Pieniążek, Marta, Jan Cichoński, Patrycja Michalik, and Grzegorz Chrzanowski. "Effect of Heavy Metal Stress on Phenolic Compounds Accumulation in Winter Wheat Plants." Molecules 28, no. 1 (2022): 241. http://dx.doi.org/10.3390/molecules28010241.

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Heavy metal stress can lead to many adverse effects that inhibit cellular processes at various levels of metabolism, causing a decrease in plant productivity. In response to environmental stressors, phenolic compounds fulfill significant molecular and biochemical functions in plants. Increasing the biosynthesis of phenolic compounds in plants subjected to heavy metal stress helps protect plants from oxidative stress. A pot experiment was carried out to determine the effect of the accumulation of copper (Cu) and lead (Pb) salts at concentrations of 200, 500, and 1000 ppm on seed germination, th

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25

TERNOVTSEV, Oleksiy, Olena ZORIA, and Viktoriia STOIANOVA. "TREATMENT OF INDUSTRIAL WASTEWATER FROM CADMIUM COMPOUNDS." Building constructions. Theory and Practice, no. 12 (June 27, 2022): 84–92. http://dx.doi.org/10.32347/2522-4182.12.2023.84-92.

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The article is devoted to the problem of solving an urgent environmental problem - the rational use of water resources. The most harmful and widespread toxic substances in wastewater, andin some cases in natural waters, are heavy metal compounds, in particular cadmium, which belongs to the 2nd class of hazard. The presence of a large number of metal processing enterprises, chemical, machine-building, and metallurgical enterprises with electroplating shops for applying metal coatings leads to the formation of a large amount of metal-containing wastewater, which makes the problem of wastewater t

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26

Kazlauskienė, Agnė, Marina Valentukevičienė, and Gytautas Ignatavičius. "SUSTAINABILITY ASSESSMENT OF HEAVY METALS AND ROAD MAINTENANCE SALTS IN SWEEP SAND FROM ROADSIDE ENVIRONMENT." Technological and Economic Development of Economy 19, no. 2 (2013): 224–36. http://dx.doi.org/10.3846/20294913.2013.796500.

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The main aim of this study was to characterize heavy metal compounds of sweep sand particles in the city of Vilnius (Lithuania). These research results provide new insight into the distribution and variation of heavy metal compounds in sweep sand in the studied area. The results of this investigation reflect the level of heavy metal pollution during the winter season, thus can be used to judge the quality of storm water flowing from streets. The major heavy metals found to have accumulated were lead, nickel, zinc and copper. These research results are useful for conducting preliminary evaluati

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27

Baklouti, Lassaad. "Novel phthalonitrile derivatives as potential compounds for extraction and complexation of metal cations." JOURNAL OF ADVANCES IN CHEMISTRY 11, no. 10 (2016): 3870–74. http://dx.doi.org/10.24297/jac.v11i10.2185.

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The synthesis and the binding properties of novel phthalonitrile derivatives 1-3 towards metal cations have been described in this paper. The complexation and extraction of some transition and heavy metal cations have been followed by UV-visible spectrophotometry absorption in methanol. The conductivity studies have been used in order to confirm complex’s stoichiometries. The treatment of UV spectra by digital program showed the formation of ML (with ML2 in some cases) (M=metal, L=ligand) species. Beyond the discussion of the stability profiles of complexes particular attention is paid to the

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28

Ma'rifah, Amriyah Ummi, Yustinus Ulung Anggraito, and Ning Setiati. "LITERATURE REVIEW: METALLOTHIONEIN SEBAGAI PROTEIN PENGIKAT LOGAM UNTUK BIOREMEDIASI LOGAM BERAT." BIOPENDIX: Jurnal Biologi, Pendidikan dan Terapan 10, no. 2 (2024): 186–93. http://dx.doi.org/10.30598/biopendixvol10issue2page186-193.

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Background: The purpose of bioremediation is to remove or reduce dangerous compounds to improve environmental quality, one of which is heavy metals. Metal-binding proteins can minimize the impact of heavy metal pollution from the environment. This metal binding protein can accumulate metals by microorganisms. One of the known metal-binding proteins is metallothioneins (MTs). This protein can minimize the effects of heavy metals in the environment by creating protein-metal ion complex bonds. This review article provides a comprehensive insight into the role of metallothionein as a metal-binding

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Taupin, Mathieu, and Silke Paschen. "Are Heavy Fermion Strange Metals Planckian?" Crystals 12, no. 2 (2022): 251. http://dx.doi.org/10.3390/cryst12020251.

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Strange metal behavior refers to a linear temperature dependence of the electrical resistivity that is not due to electron–phonon scattering. It is seen in numerous strongly correlated electron systems, from the heavy fermion compounds, via transition metal oxides and iron pnictides, to magic angle twisted bi-layer graphene, frequently in connection with unconventional or “high temperature” superconductivity. To achieve a unified understanding of these phenomena across the different materials classes is a central open problem in condensed matter physics. Tests whether the linear-in-temperature

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30

Thompson, Mark. "The Evolution of Organometallic Complexes in Organic Light-Emitting Devices." MRS Bulletin 32, no. 9 (2007): 694–701. http://dx.doi.org/10.1557/mrs2007.144.

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This article is an edited transcript of the MRS Medal presentation given by Mark Thompson (University of Southern California) on November 28, 2006, at the Materials Research Society Fall Meeting in Boston. Thompson was awarded the Medal for the “development of highly efficient heavy-metal phosphor complexes.” The MRS Medal recognizes a specific outstanding recent discovery or advancement which is expected to have a major impact on the progress of any materials-related field.Successful research efforts have led to improvements in the internal efficiencies of organic light-emitting devices (OLED

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31

Gulcin, İlhami, and Saleh H. Alwasel. "Metal Ions, Metal Chelators and Metal Chelating Assay as Antioxidant Method." Processes 10, no. 1 (2022): 132. http://dx.doi.org/10.3390/pr10010132.

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Heavy metals are essential for a wide range of biological processes, including the growth and reproduction of cells, synthesis of biomolecules, many enzymatic reactions, and the body’s immunity, but their excessive intake is harmful. Specifically, they cause oxidative stress (OS) and generate free radicals and reactive oxygen species (ROS) in metabolism. In addition, the accumulation of heavy metals in humans can cause serious damage to different organs, especially respiratory, nervous and reproductive and digestive systems. Biologically, metal chelation therapy is often used to treat metal to

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32

Syahputri, Yulian, Sutanto Sutanto, and Riza Shabrina Zamzani. "Hg (II) and Cd (II) Heavy Metal Ions Detection Based On Fluorescence Using Zn (II) Metal Ion Complex with Pyrazoline Derivatives Ligand." Helium: Journal of Science and Applied Chemistry 2, no. 1 (2022): 1–6. http://dx.doi.org/10.33751/helium.v2i1.5407.

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Pyrazoline derivatives can be used as ligands because they have photophysical properties and can chelate metal ions which cause very strong absorption, emission and have a fluorescence properties. Therefore, in recent years, pyrazoline ligands and their derivatives have been widely used for chemosensors. This research aims to detect fluorescence-based heavy metal ions Hg2+ and Cd2+ using a metal ion complex compound Zn2+ with pyrazoline derivative ligand. The research was started by synthesizing pyrazoline-derived ligands, then synthesizing complex compounds. Complex compounds were characteriz

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33

Ludwig, C., A. J. Schuler, J. Wochele, and S. Stucki. "Measuring heavy metals by quantitative thermal vaporization." Water Science and Technology 42, no. 7-8 (2000): 209–16. http://dx.doi.org/10.2166/wst.2000.0571.

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It is our vision to separate volatile toxic contaminants from waste by thermal treatment. In this context the evaporation behavior of heavy metal traces (Cd, Cu, Pb, and Zn) from model compounds and mixtures, and from fly ash (FA) of municipal solid waste incineration (BCR No. 176) was investigated. In this study we tested a new method which allows on-line detection of heavy metals in hot gases using conventional Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES) equipment. A quantitative relation between the amount of evaporated heavy metal traces and the ICP-OES signal was es

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34

Trus, I. M., M. D. Gomelia, T. V. Krysenko, and Ye S. Bulhakov. "STUDY OF THE EFFICIENCY OF WATER PURIFICATION FROM HEAVY METAL IONS WITH MAGNETITE SORBENTS." Energy Technologies & Resource Saving, no. 1 (March 20, 2020): 46–51. http://dx.doi.org/10.33070/etars.1.2020.6.

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The process of water treatment from heavy metal ions on sorbents with magnetic properties was investigated. Samples of magnetite obtained at a ratio of the concentrations of iron (II) ions and iron (III) 1 : 2; 1 : 1 and 2 : 1, and samples modified with sodium sulfide were used. The effect of pH on the sorption efficiency of heavy metal ions on magnetite was studied. It was shown that the sorption capacity of magnetite towards heavy metal ions, as well as the efficiency of water treatment from these compounds, increases with an increase of the [Fe2+]/[Fe3+] ratio from 1 : 2 to 2 : 1. Sorption

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35

Duffus, John H. ""Heavy metals" a meaningless term? (IUPAC Technical Report)." Pure and Applied Chemistry 74, no. 5 (2002): 793–807. http://dx.doi.org/10.1351/pac200274050793.

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Over the past two decades, the term "heavy metals" has been widely used. It is often used as a group name for metals and semimetals (metalloids) that have been associated with contamination and potential toxicity or ecotoxicity. At the same time, legal regulations often specify a list of "heavy metals" to which they apply. Such lists differ from one set of regulations to another and the term is sometimes used without even specifying which "heavy metals" are covered. However, there is no authoritative definition to be found in the relevant literature. There is a tendency, unsupported by the fac

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36

Castro, Laura, M. Luisa Blázquez, Felisa González, Jesús Angel Muñoz, and Antonio Ballester. "Biogenic Iron Compounds for Hazardous Metal Remediation." Solid State Phenomena 262 (August 2017): 551–54. http://dx.doi.org/10.4028/www.scientific.net/ssp.262.551.

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Biogenic minerals possess particular characteristics, such as high specific surface area and high reactivity, which lead to interesting properties useful in different fields (adsorbents, catalysts, oxidants or reductants). The treatment of effluents charged with heavy metals is attracting growing interest because of environmental and sanitary problems. The anaerobic bioreduction of soluble Fe(III) compounds by a natural consortium from an abandoned mine originates an iron containing precipitate. The aim of this study is the evaluation of the adsorption capacity of the biogenic compounds to tre

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GODWIN, JACKSON, OGUARABAU BENSON, ODONTIMI NIMIGHAYE, and EMMANUEL P. SALVATION. "Schiff Bases, Syntheses, Characterisation and their Application to Heavy Metal Removal: A Review." International Journal of Research and Innovation in Applied Science IX, no. V (2024): 94–107. http://dx.doi.org/10.51584/ijrias.2024.905008.

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Schiff bases are compounds resulting from the condensation reaction between an aldehyde or ketone with primary amines. The confirmation of the formation of these compounds involves the use of characterisation techniques which encompasses spectroscopic and thermoanalytical techniques. Recently, Schiff bases have garnered attention because of their wide applications which range from industrial uses to use in remediation of metal ions. Their use in extraction of heavy metal is of particular interest due to rising levels of metal pollution globally. The ability of Schiff bases to form coordination

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38

Essakhraoui, Meriem, Aziz Boukhair, Fouad Bentiss, Hamid Mazouz, Redouane Beniazza, and Nils Haneklaus. "Advances in Heavy Metal Extraction Using Organophosphorus Compounds: A Comprehensive Review." Metals 15, no. 5 (2025): 524. https://doi.org/10.3390/met15050524.

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Organophosphorus compounds (OPC) are a large class of organic compounds that provide a wide range of applications, and their importance has grown steadily in recent years. In each category and family, these compounds have similarities and differences. Due to their immense variety, these chemicals have various properties and, therefore, various applications. In fact, various works have been published recently that present the main applications of OPC, especially in metal extraction. Despite their extemsive range of use, optimizing their performance as extractant agents remains a challenge due t

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Thilakan, Deepika, Jaie Patankar, Srushti Khadtare, et al. "Plant-Derived Iron Nanoparticles for Removal of Heavy Metals." International Journal of Chemical Engineering 2022 (April 18, 2022): 1–12. http://dx.doi.org/10.1155/2022/1517849.

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Nanoparticle synthesis has seen exponential development recently as its characteristics of high surface area, high rate of adsorption, and easy, cost-effective synthesis have been exploited for the purpose of ground water purification via the removal of organic and inorganic compounds, along with the removal of heavy metals and microbes. The synthesis of Zero-Valent Iron Nanoparticles (ZVI NPs) by green methods has proved to be environmentally friendly in many ways as it employs the use of naturally occurring plant extracts. These nanoparticles have large surface areas and efficiently remove h

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40

Krebs, Véronique, Claire Hérold, Jean-François Marêché, and Guy Furdin. "Reduction of MoCl5Graphite Intercalation Compounds by Heavy Alkali Metal Vapour." Microscopy Microanalysis Microstructures 7, no. 3 (1996): 175–83. http://dx.doi.org/10.1051/mmm:1996113.

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41

Schwerdtfeger, Peter, Johannes Gierlich, and Tobias Bollwein. "Large Parity-Violation Effects in Heavy-Metal-Containing Chiral Compounds." Angewandte Chemie International Edition 42, no. 11 (2003): 1293–96. http://dx.doi.org/10.1002/anie.200390333.

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42

Salishcheva, Olesya, Anastasia Burlachenko, Yuliya Tarasova, Natalia Moldagulova, and Vladimir Yustratov. "Biodegradation of organic compounds in wastewater." BIO Web of Conferences 64 (2023): 01003. http://dx.doi.org/10.1051/bioconf/20236401003.

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Biodegradation is a sustainable and efficient method for removing organic pollutants from the aquatic environment. We studied the biological purification of aqueous solutions from betaine organic matter under the action of bacterial strains of the genus Pseudomonas and determined the rate of decomposition in the presence of chloride ions and heavy metal cations. The bacteria showed lower activity in the presence of salts of heavy metals and performed more efficiently in the presence of chloride ions. Almost complete degradation of organic matter was observed on the 21st day. Thus, these strain

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43

To, Wai-Pong, Taotao Zou, Raymond Wai-Yin Sun, and Chi-Ming Che. "Light-induced catalytic and cytotoxic properties of phosphorescent transition metal compounds with a d 8 electronic configuration." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 371, no. 1995 (2013): 20120126. http://dx.doi.org/10.1098/rsta.2012.0126.

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Transition metal compounds are well documented to have diverse applications such as in catalysis, light-emitting materials and therapeutics. In the areas of photocatalysis and photodynamic therapy, metal compounds of heavy transition metals are highly sought after because they can give rise to triplet excited states upon photoexcitation. The long lifetimes (more than 1 μs) of the triplet states of transition metal compounds allow for bimolecular reactions/processes such as energy transfer and/or electron transfer to occur. Reactions of triplet excited states of luminescent metal compounds with

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Maranescu, Bianca, Lavinia Lupa, and Aurelia Visa. "Heavy metal removal from waste waters by phosphonate metal organic frameworks." Pure and Applied Chemistry 90, no. 1 (2018): 35–47. http://dx.doi.org/10.1515/pac-2017-0307.

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AbstractThe increase attention in the area of phosphonate metal organic framework is exemplified with a variety of applications and a rich chemistry of these compounds. Water pollution caused by heavy metal ions is a major concern due to their toxicity to many life forms. In order to decrease the heavy metals impact upon the environment various technologies of water treatment such as: chemical sedimentation, ion exchange, redox process are studied. The tendency is to find a versatile and economical method of heavy metals removal from waste waters. Phosphonate metal organic frameworks were obta

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Sentic, Milica, Ivana Trajkovic, Dragan Manojlovic, et al. "Luminescent Metal–Organic Frameworks for Electrochemiluminescent Detection of Water Pollutants." Materials 16, no. 23 (2023): 7502. http://dx.doi.org/10.3390/ma16237502.

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The modern lifestyle has increased our utilization of pollutants such as heavy metals, aromatic compounds, and contaminants that are of rising concern, involving pharmaceutical and personal products and other materials that may have an important environmental impact. In particular, the ultimate results of the intense use of highly stable materials, such as heavy metals and chemical restudies, are that they turn into waste materials, which, when discharged, accumulate in environmental water bodies. In this context, the present review presents the application of metal–organic frameworks (MOFs) i

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Erjun, Ruan. "Pharmaceutical Mechanisms and Protective Roles of Natural Products Against Heavy Metal-Induced Neurotoxicity in Medicinal Herbs and Plants." Pharmaceutical Care and Research 24, no. 1 (2024): 21–28. https://doi.org/10.5281/zenodo.11479632.

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Heavy metal pollution of the environment is a persistent concern to both biotic and abiotic elements. Numerous harmful effects, including neurotoxicity and apoptotic cell death, have been connected to heavy metals like mercury, arsenic, cadmium, and lead. Despite the fact that these metals are necessary for regular biological processes, their biomagnification within cells has negative consequences. The generation of free radicals in heavy metal-induced neurotoxicity upsets the equilibrium between the oxidative and antioxidative defense mechanisms, leading to oxidative stress. Necrosis, DNA dam

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Erjun, Ruan. "Pharmaceutical Mechanisms and Protective Roles of Natural Products Against Heavy Metal-Induced Neurotoxicity in Medicinal Herbs and Plants." Pharmaceutical Care and Research 24, no. 1 (2024): 21–28. https://doi.org/10.5281/zenodo.11529119.

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Heavy metal pollution of the environment is a persistent concern to both biotic and abiotic elements. Numerous harmful effects, including neurotoxicity and apoptotic cell death, have been connected to heavy metals like mercury, arsenic, cadmium, and lead. Despite the fact that these metals are necessary for regular biological processes, their biomagnification within cells has negative consequences. The generation of free radicals in heavy metal-induced neurotoxicity upsets the equilibrium between the oxidative and antioxidative defense mechanisms, leading to oxidative stress. Necrosis, DNA dam

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Danylchuk, Оleksandr, Vitalii Gryshko, Lyudmyla Boyko, and Nataliia Danylchuk. "Accumulation of heavy metals in the vegetative organs of poplars under their joint introduction to the soil." Studia Biologica 18, no. 4 (2024): 109–24. https://doi.org/10.30970/sbi.1804.798.

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Background. Studies of plant autecology under excessive heavy metal intake require a thorough understanding of the specifics of the uptake and accumulation of these substances by plants. It is therefore important to study the redistribution of heavy metals in the soil–plant system. Poplars, due to their rapid growth, large assimilative organ surface area, etc., are a suitable object for studying their autecological properties and potential use in the creation of green spaces. Materials and methods. The objects of the study were two-year-old poplar seedlings: ’I-45/51’, ’Lvivska’, ’Robusta’, ’T

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Khomenko, O. M., O. V. Yehorova, and O. O. Mysliuk. "Analysis of sorption capacity of natural sorbents in relation to aqueous solutions of heavy metal compounds." Ukrainian hydrometeorological journal, no. 28 (December 14, 2021): 111–19. http://dx.doi.org/10.31481/uhmj.28.2021.10.

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The main preconditions emergence of an environmental crisis in the country due to surface water pollution include irrational use of water resources in violation of the environmental requirements, discharge of untreated and insufficiently treated industrial and municipal wastewater into water bodies and inflow of polluting substances from agricultural lands as a result of surface water drainage. The whole set of considered factors leads to depletion and pollution of surface water of Ukraine, reduction of their self-cleaning capacity, degradation, impoverishment and collapse of aquatic ecosystem

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R, Tamizselvi, and Ayyakannu Arumugam Napoleon. "Fluorescent and Colorimetric Chemosensor for the Detection of Toxic Metal Ions of Mercury and Lead – A Mini Review." ECS Transactions 107, no. 1 (2022): 16489–99. http://dx.doi.org/10.1149/10701.16489ecst.

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Variations in the predictable level of heavy metals ions have an uncompromising influence on living being and their surroundings. Real sample analysis was used to identify the heavy metal ions by using colorimetric and fluorescence techniques. The interaction of metal ions with the receptor has produced observable signals as measured by its photophysical changes. Nitrogen-containing heterocyclic compounds are the greatest weapons for identifying heavy metal ions, owing to their diverse reactivity, readily available substrate, and exquisite photophysical property. The main goal of this mini-rev

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