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Ferreira GW, Samulewski RB, Ivashita FF, Paesano A, Urbano A, Zaia DAM. Did Salts in Seawater Play an Important Role in the Adsorption of Molecules on Minerals in the Prebiotic Earth? The Case of the Adsorption of Thiocyanate onto Forsterite-91. ORIGINS LIFE EVOL B 2023; 53:127-156. [PMID: 37676558 DOI: 10.1007/s11084-023-09640-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 08/09/2023] [Indexed: 09/08/2023]
Abstract
Thiocyanate may have played as important a role as cyanide in the synthesis of several molecules. However, its concentration in the seas of the prebiotic Earth could have been very low. Thiocyanate was dissolved in two different seawaters: a) a composition that comes close to the seawater of the prebiotic Earth (seawater-B, Ca2+ and Cl-) and b) a seawater (seawater-A, Mg2+ and SO42-) that could be related to the seas of Mars and other moons in the solar system. In addition, forsterite-91 was a very common mineral on the prebiotic Earth and Mars. Two important results are reported in this work: 1) thiocyanate adsorbed onto forsterite-91 and 2) the amount of thiocyanate adsorbed, adsorption thermodynamic, and adsorption kinetic depend on the composition of the artificial seawater. For all experiments, the adsorption was thermodynamically favorable (ΔG < 0). The adsorption data fitted well in the Freundlich and Langmuir-Freundlich models. When dissolving thiocyanate in seawater 4.0-A-Gy and seawater 4.0-B-Gy, the adsorption of thiocyanate onto forsterite-91 was ruled by enthalpy and entropy, respectively. As shown by n values, the thiocyanate/foraterite-91 system is heterogeneous. For all kinetic data, the pseudo-first-order model presented the best fit. The constant rate for thiocyanate dissolved in seawater 4.0-A-Gy was twice that compared to thiocyanate dissolved in seawater 4.0-B-Gy or ultrapure-water. The interaction between thiocyanate and Fe2+ of forsterite-91 was with the nitrogen atom of thiocyanate. In the presence of thiocyanate, sulfate interacts with forsterite-91 as an inner-sphere surface complex, and without thiocyanate as an outer-sphere surface complex.
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Affiliation(s)
- Giulio Wilgner Ferreira
- Laboratório de Química Prebiótica-LQP, Departamento de Química, Universidade Estadual de Londrina, CEP 86057-970, Londrina, PR, Brazil
| | - Rafael Block Samulewski
- COLIQ - Coordenação de Licenciatura em Química, Universidade Tecnológica Federal do Paraná UTFPR Campus Apucarana, CEP 86812-460, Apucarana, PR, Brazil.
| | | | - Andrea Paesano
- Departamento de Física-CCE, Universidade Estadual de Maringá, 87020-900, Maringá, PR, Brazil
- Departamento de Física Teórica e Experimental, UFRN, Av. Sen. Salgado Filho, 3000, Lagoa Nova, 59078-970, Natal, RN, Brazil
| | - Alexandre Urbano
- Departamento de Física-CCE, Universidade Estadual de Londrina, CEP 86057-970, Londrina, PR, Brazil
| | - Dimas Augusto Morozin Zaia
- Laboratório de Química Prebiótica-LQP, Departamento de Química, Universidade Estadual de Londrina, CEP 86057-970, Londrina, PR, Brazil.
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Ferrihydrite synthesis in the presence of amino acids and artificial seawater. Amino Acids 2023:10.1007/s00726-023-03253-w. [PMID: 36877410 DOI: 10.1007/s00726-023-03253-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 02/17/2023] [Indexed: 03/07/2023]
Abstract
Ferrihydrite is widespread in clays, soils, and living organisms and was found on Mars. This iron-mineral could be found on the prebiotic Earth, which also contained simple monomeric amino acids. For prebiotic chemistry, it is important to understand how amino acids have an effect on the process of iron oxide formations. There are three important results in this work: (a) preconcentration of cysteine and aspartic acid, (b) formation of cystine and probably the cysteine peptide occurred during ferrihydrite syntheses, and (c) amino acids have an effect on iron oxide synthesis. For samples containing aspartic acid and cysteine, their presence on the surface or mineral structure can be confirmed by FT-IR spectra. Surface charge analysis showed a relatively high decrease for samples synthesized with cysteine. Scanning electron microscopy did not show marked morphological differences among the samples, except for the seawater sample containing cysteine, which had a lamina-shaped morphology surrounded by circular iron particles, indicating the possible formation of a cysteine structure involving iron oxide particles. The thermogravimetric analysis of the samples indicates that the presence of salts and amino acids in the synthesis of ferrihydrite has an effect on the thermal behavior of the iron oxide/amino acids and modifying the water-loss temperature. The heating of the cysteine samples, synthesized in distilled water and artificial seawater, showed several peaks of degradation of cysteine. In addition, heating of the aspartic acid samples produced the polymerization of this amino acid and peaks of degradation of it. FTIR spectra and XRD patterns did not indicate the precipitation of methionine, 2-aminoisobutyric acid, lysine, or glycine with the iron oxide formations. However, the heating of the glycine, methionine and lysine samples, synthesized in artificial seawater, showed peaks that could be attributed to the degradation of them. Then this could be an indication that these amino acids precipitate with the minerals during the syntheses. Also, the dissolution of these amino acids in artificial seawater prevents the formation of ferrihydrite.
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Xiao X, An X, Jiang Y, Wang L, Li Z, Lai F, Zhang Q. A newly developed consortium with a highly efficient thiocyanate degradation capacity: A comprehensive investigation of the degradation and detoxification potential. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 318:120878. [PMID: 36526057 DOI: 10.1016/j.envpol.2022.120878] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 12/10/2022] [Accepted: 12/12/2022] [Indexed: 06/17/2023]
Abstract
Thiocyanate-containing wastewater harms ecosystems and can cause serious damage to animals and plants, so it is urgent to treat it effectively. In this study, a new efficient thiocyanate-degrading consortium was developed and its degradation characteristics were studied. It was found that up to 154.64 mM thiocyanate could be completely degraded by this consortium over 6 days of incubation, with a maximum degradation rate of 1.53 mM h-1. High-throughput sequencing analysis showed that Thiobacillus (77.78%) was the predominant thiocyanate-degrading bacterial genus. Plant toxicology tests showed that the germination index of mung bean and rice seeds cultured with media obtained after thiocyanate degradation by the consortium increased by 94% and 84.83%, respectively, compared with the control group without thiocyanate degradation. Cytotoxicity tests showed that thiocyanate without degradation significantly decreased the Neuro-2a cell activity and mitochondrial membrane potential; induced reactive oxygen species generation and apoptosis; increased the cellular Ca2+ concentration; and damaged the cell nucleus and DNA. Furthermore, the thiocyanate degradation products produced the consortium were almost totally non-toxic, revealing the same characteristics as those of the control using distilled water. This study shows that the consortium has a high degradation efficiency and detoxification characteristics, as well as great application potential in bioremediation of industrial thiocyanate-containing wastewater.
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Affiliation(s)
- Xiaoshuang Xiao
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Nanchang, 330045, PR China.
| | - Xuejiao An
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Nanchang, 330045, PR China
| | - Yuling Jiang
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Nanchang, 330045, PR China
| | - Liuwei Wang
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Nanchang, 330045, PR China
| | - Zelin Li
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Nanchang, 330045, PR China
| | - Fenju Lai
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Nanchang, 330045, PR China
| | - Qinghua Zhang
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Nanchang, 330045, PR China.
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Wang L, An X, Xiao X, Li N, Xie D, Lai F, Zhang Q. Treatment of thiocyanate-containing wastewater: a critical review of thiocyanate destruction in industrial effluents. World J Microbiol Biotechnol 2022; 39:35. [PMID: 36469179 DOI: 10.1007/s11274-022-03481-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 11/23/2022] [Indexed: 12/09/2022]
Abstract
Thiocyanate is a common pollutant in gold mine, textile, printing, dyeing, coking and other industries. Therefore, thiocyanate in industrial wastewater is an urgent problem to be solved. This paper reviews the chemical properties, applications, sources and toxicity of thiocyanate, as well as the various treatment methods for thiocyanate in wastewater and their advantages and disadvantages. It is emphasized that biological systems, ranging from laboratory to full-scale, are able to successfully remove thiocyanate from factories. Thiocyanate-degrading microorganisms degrade thiocyanate in autotrophic manner for energy, while other biodegrading microorganisms use thiocyanate as a carbon or nitrogen source, and the biochemical pathways and enzymes involved in thiocyanate metabolism by different bacteria are discussed in detail. In the future, degradation mechanisms should be investigated at the molecular level, with further research aiming to improve the biochemical understanding of thiocyanate metabolism and scaling up thiocyanate degradation technologies from the laboratory to a full-scale.
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Affiliation(s)
- Liuwei Wang
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Nanchang, 330045, People's Republic of China
| | - Xuejiao An
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Nanchang, 330045, People's Republic of China
| | - Xiaoshuang Xiao
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Nanchang, 330045, People's Republic of China
| | - Ningjian Li
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Nanchang, 330045, People's Republic of China
| | - Dong Xie
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Nanchang, 330045, People's Republic of China
| | - Fenju Lai
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Nanchang, 330045, People's Republic of China
| | - Qinghua Zhang
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Nanchang, 330045, People's Republic of China.
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Márquez AA, Coreño O, Nava JL. A hybrid process combining electrocoagulation and active chlorine-based photoelectro-Fenton-like methods during the removal of Acid Blue 29 dye. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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Samulewski RB, Pintor BE, Ivashita FF, Paesano A, Zaia DAM. Study of Ferrocyanide Adsorption onto Different Minerals as Prebiotic Chemistry Assays. ASTROBIOLOGY 2021; 21:1121-1136. [PMID: 34534004 DOI: 10.1089/ast.2020.2322] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Considered one of the most promising building blocks of life on primitive Earth, cyanide and its complexes are likely to have played an important role in the emergence of life on the planet. Investigation into cyanide on Earth has primarily considered high concentrations, but the cyanide concentration in the oceans of prebiotic Earth was exceptionally low. Thus, Bernal's hypothesis has allowed investigators to work around this problem. We observed, however, that cyanide does not adsorb onto several minerals; therefore, ferrocyanide could be used as a cyanide source when adsorbed onto mineral surfaces to promote the synthesis of molecules of biological significance. When adsorbed onto bentonite, a mineral that has Fe3+ atoms in its interlayers, the formation of Prussian blue analog complexes occurs through endothermic reaction and with increased entropy. The adsorption of ferrocyanide onto kaolinite indicates an exothermic and outer-sphere interaction, which results in degeneracy breakdown for C ≡ N stretch energy into two new bands of FTIR-ATR spectrum. Magnetite, which has iron atoms in its structure, and ferrocyanide interactions have been observed by outer-sphere coordination as well as the formation of Prussian blue analogs, as confirmed by the appearance of a new doublet in the Mössbauer spectra and a broadband close to 750 nm at UV-visible spectroscopy. Magnetite and kaolinite experiments presented relevant results only when performed in seawater, which suggests the importance of seawater composition for prebiotic experiments. These obtained results prove that ferrocyanide interacts with minerals differently according to structure and composition and show that this complex, like the Prussian blue analogs, may have played a crucial role as a source of cyanide on primitive Earth.
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Affiliation(s)
| | | | - Flávio F Ivashita
- Departamento de Física-CCE, Universidade Estadual de Maringá, Maringá, Brazil
| | - Andrea Paesano
- Departamento de Física-CCE, Universidade Estadual de Maringá, Maringá, Brazil
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Role of the Interchangeable Cations on the Sorption of Fumaric and Succinic Acids on Montmorillonite and its Relevance in Prebiotic Chemistry. ORIGINS LIFE EVOL B 2021; 51:87-116. [PMID: 34251577 DOI: 10.1007/s11084-021-09609-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Accepted: 04/21/2021] [Indexed: 10/20/2022]
Abstract
It has been proposed that clays could have served as key factors in promoting the increase in complexity of organic matter in primitive terrestrial and extraterrestrial environments. The aim of this work is to study the adsorption-desorption of two dicarboxylic acids, fumaric and succinic acids, onto clay minerals (sodium and iron montmorillonite). These two acids may have played a role in prebiotic chemistry, and in extant biochemistry, they constitute an important redox couple (e.g. in Krebs cycle) in extant biochemistry. Smectite clays might have played a key role in the origins of life. The effect of pH on sorption has been tested; the analysis was performed by UV-vis and FTIR-ATR spectroscopy, X-ray diffraction and X-ray fluorescence. The results show that chemisorption is the main responsible of the adsorption processes among the dicarboxylic acids and clays. The role of the ion, present in the clay, is fundamental in the adsorption processes of dicarboxylic acids. These ions (sodium and iron) were selected due to their relevance on the geochemical environments that possibly existed into the primitive Earth. Different mechanisms are proposed to explain the sorption of dicarboxylic acids in the clay. In this work, we propose the formation of complexes among metal cations in the clays and dicarboxylic acids. The organic complexes were probably formed in the prebiotic environments enabling chemical processes, prior to the appearance of life. Thus, the data presented here are relevant to the origin of life studies.
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