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Leite C, Russo T, Cuccaro A, Pinto J, Polese G, Soares AMVM, Pretti C, Pereira E, Freitas R. Praseodymium and warming interactions in mussels: Comparison between observed and predicted results. Sci Total Environ 2024:172893. [PMID: 38692321 DOI: 10.1016/j.scitotenv.2024.172893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 04/19/2024] [Accepted: 04/28/2024] [Indexed: 05/03/2024]
Abstract
Being a crucial element for technological development, praseodymium (Pr) has been increasingly used, leading to a rise in its concentration in aquatic systems. However, its potential threats to organisms remain poorly understood. Besides contamination, organisms are also threatened by climate change-related factors, including warming. It is important to evaluate how climate change-related factors may influence the effects of contaminants. To address this, histopathological and biochemical analyses were performed in adult mussels of Mytilus galloprovincialis, following a 28-day exposure to Pr (10 μg/L) and warming (4 °C increase) separately, and in combination. Additionally, biochemical and physiological alterations were analysed in the sperm of mussels after 30-min exposure to the same treatments. Furthermore, it was used the Independent Action model to predict the interaction between Pr and warming. The results showed, in the case of adults, an increase in superoxide dismutase (SOD) and glutathione S-transferases (GSTs) activities. However, it was insufficient, leading to histopathological injuries, redox imbalance, and cellular damage. In the case of sperm, Pr induced an increase of mitochondrial activity and respiration rate, in response to the increase in systemic metabolic rate and oxygen demand. Warming increased the metabolism, and induced redox imbalance and cellular damage in adults. In sperm, warming induced lipid peroxidation and a decrease in velocity. Warming induced some alterations in how adult mussels responded to Pr, activating catalase instead of SOD, and in addition to GSTs, also activated carboxylesterases. However, it was not enough to avoid redox imbalance and cellular damage. In the case of sperm, the combination induced a decrease in H2O2 production, and higher oxygen demand, which prevented the decrease in motility and velocity. This study highlights the limitations of using models and emphasizes the importance of studying the impacts of emerging contaminants, such as rare earth elements, and their combination with climate change-related factors. Under environmental conditions, chronic exposure to the combined effect of different stressors might generate impacts at higher biological levels. This may affect organisms' respiratory and filtration capacity, nutrient absorption, defence capacity against infections or diseases, and sperm viability, ultimately resulting in reduced growth and reproduction, with consequences at the population level.
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Affiliation(s)
- Carla Leite
- Department of Biology & CESAM, University of Aveiro 3810-193, Aveiro, Portugal
| | - Tania Russo
- Department of Biology, University of Naples Federico II, 80126 Napoli, Italy
| | - Alessia Cuccaro
- Department of Biology & CESAM, University of Aveiro 3810-193, Aveiro, Portugal; Department of Veterinary Sciences, University of Pisa, San Piero a Grado, 56122 Pisa, Italy
| | - João Pinto
- Department of Chemistry, LAQV-REQUIMTE, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Gianluca Polese
- Department of Biology, University of Naples Federico II, 80126 Napoli, Italy
| | - Amadeu M V M Soares
- Department of Biology & CESAM, University of Aveiro 3810-193, Aveiro, Portugal
| | - Carlo Pretti
- Department of Veterinary Sciences, University of Pisa, San Piero a Grado, 56122 Pisa, Italy; Interuniversity Consortium of Marine Biology of Leghorn "G. Bacci", 57128 Livorno, Italy
| | - Eduarda Pereira
- Department of Chemistry, LAQV-REQUIMTE, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Rosa Freitas
- Department of Biology & CESAM, University of Aveiro 3810-193, Aveiro, Portugal.
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Shilpa CK, Abin Prasanth MV, Jasira SV, Veena VP, Nissamudeen KM. Optimizing the White Light Emission of Pr 3+ Activated SrCeO 3 Perovskite by Controlling the Excitation Wavelength for High CRI wLED Applications. J Fluoresc 2024:10.1007/s10895-024-03651-7. [PMID: 38470536 DOI: 10.1007/s10895-024-03651-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 02/26/2024] [Indexed: 03/14/2024]
Abstract
The current research illustrates excitation energy-triggered photoluminescent characteristics of Pr3+ions in SrCeO3 providing a practical approach for developing high CRI wLED and its applications. SrCeO3: xPr3+ (x = 0, 0.005, 0.01, 0.02, 0.03 wt) perovskites synthesized by fuel excess gel combustion method generate high CRI (~98) for wLED applications. Crystalline phosphors with orthorhombic structures having space group Pnma were confirmed by XRD. The unit cell volume expansion occurred with an increase in Pr3+ concentration was verified through the Rietveld refinement technique. Surface morphology, particle distribution, and size were observed via FE-SEM imaging, and detected a well-defined regular distorted spherical structure with average grain size 0.826 μm for Pr3+ doped SrCeO3. Elemental mapping and EDS analysis identified the uniform distribution and elemental purity of SrCeO3: 0.01 Pr3+. Further, the molecular vibrations and modes were analyzed from the Raman spectrum. Moreover, the average particle size assessed via TEM analysis was found to be ~83.2 nm, consistent with XRD analysis. UV-visible absorption spectra for optical energy-band gap analysis showed a decrease in band gap energy with an increase in Pr3+ concentration, realizing an effective energy transfer from Ce4+ to Pr3+. PL measurements showed a huge variety of emission transitions, corresponding to excitations 290 nm, 321 nm, 373 nm, and 449 nm. The critical dopant concentration instigated by concentration quenching was 1 wt% Pr3+, ascribed to dipole-dipole interaction. The fluorescence lifetime of the optimal sample was 4.835 μs. Commission International de I'Eclairage (CIE) diagram exposes the white light emanation of SrCeO3: Pr3+. Among which white light with high CRI (~98) and comparably low CCT (~6311 K) was obtained for SrCeO3: 0.01 Pr3+ at 373 nm excitation. The obtained results recommend that SrCeO3: Pr3+ perovskite as an efficient white phosphor for fabricating high-performance wLEDs.
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Affiliation(s)
- C K Shilpa
- School of Pure and Applied Physics, Kannur University, Payyanur Campus, Edat, Kannur, 670327, Kerala, India
| | - M V Abin Prasanth
- School of Pure and Applied Physics, Mahatma Gandhi University, Kottayam, Kerala, 686560, India
| | - S V Jasira
- School of Pure and Applied Physics, Kannur University, Payyanur Campus, Edat, Kannur, 670327, Kerala, India
| | - V P Veena
- School of Pure and Applied Physics, Kannur University, Payyanur Campus, Edat, Kannur, 670327, Kerala, India
| | - K M Nissamudeen
- School of Pure and Applied Physics, Kannur University, Payyanur Campus, Edat, Kannur, 670327, Kerala, India.
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Leite C, Russo T, Pinto J, Polese G, Soares AMVM, Pretti C, Pereira E, Freitas R. From the cellular to tissue alterations induced by two rare earth elements in the mussel species Mytilus galloprovincialis: Comparison between exposure and recovery periods. Sci Total Environ 2024; 915:169754. [PMID: 38163599 DOI: 10.1016/j.scitotenv.2023.169754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/21/2023] [Accepted: 12/26/2023] [Indexed: 01/03/2024]
Abstract
The global effort to achieve carbon neutrality has led to an increased demand for renewable energy technologies and their raw materials, namely rare earth elements (REEs). These elements possess unique properties and are used in various applications. However, the increased use of REE-based technologies has resulted in higher amounts of electronic waste, leading to elevated REEs concentrations found in the aquatic environment, with poorly understood threats to wildlife. Praseodymium (Pr) and europium (Eu) are two REEs that, despite their potential environmental risks, have almost unknown effects on aquatic organisms. Therefore, the present study aimed to assess the impacts of different concentrations of Pr and Eu (0, 10, 20, 40, and 80 μg/L) in the mussel species Mytilus galloprovincialis, as well as their ability to recover from exposure to the highest concentration. Mussels accumulated both elements in a dose-dependent manner, with the accumulation of Pr being higher. Accompanying the increase of metabolism, mussels exposed to Pr not only enhanced the activity of the antioxidant enzymes superoxide dismutase (up to 40 μg/L) and glutathione reductase (at 80 μg/L) but also the activity of the biotransformation enzymes carboxylesterases (CbE's) and glutathione S-transferases (GSTs) (at 80 μg/L). Nevertheless, these defence mechanisms were not sufficient to prevent cellular damage. All the Eu concentrations induced cellular damage, despite an increase in the activity of biotransformation enzymes (CbE's and GSTs) in mussel tissue. According to the histopathology assessment, mussels were not able to recover after exposure to both elements and lower concentrations induced higher injuries in digestive tubules. This study highlights that exposure to Pr and Eu had adverse effects on M. galloprovincialis, even at the lowest tested concentration, which may eventually impact mussels' growth, reproductive capacity, and survival.
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Affiliation(s)
- Carla Leite
- Department of Biology & CESAM, University of Aveiro 3810-193, Aveiro, Portugal
| | - Tania Russo
- Department of Biology, University of Naples Federico II, 80126 Napoli, Italy
| | - João Pinto
- Department of Chemistry & LAQV-REQUIMTE, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Gianluca Polese
- Department of Biology, University of Naples Federico II, 80126 Napoli, Italy
| | - Amadeu M V M Soares
- Department of Biology & CESAM, University of Aveiro 3810-193, Aveiro, Portugal
| | - Carlo Pretti
- Interuniversity Consortium of Marine Biology of Leghorn "G. Bacci", 57128 Livorno, Italy; Department of Veterinary Sciences, University of Pisa, San Piero a Grado, 56122 Pisa, Italy
| | - Eduarda Pereira
- Department of Chemistry & LAQV-REQUIMTE, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Rosa Freitas
- Department of Biology & CESAM, University of Aveiro 3810-193, Aveiro, Portugal.
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Solache-Ríos M, Jiménez-Reyes M, Almazán-Sánchez PT. Removal of 142Pr from nuclear purity water using hydroxyapatite. J Environ Sci Health A Tox Hazard Subst Environ Eng 2022; 57:567-574. [PMID: 35670523 DOI: 10.1080/10934529.2022.2084310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 05/24/2022] [Accepted: 05/25/2022] [Indexed: 06/15/2023]
Abstract
The adsorption of praseodymium using hydroxyapatite was evaluated. The hydroxyapatite (HAP) was characterized by X-ray diffraction (JCPDS 01-04-3708), scanning electron microscopy, BET specific surface area (54.2 m2/g), and point of zero charge (6.5). Adsorption kinetics and isotherms were evaluated at pH of 3 and 142Pr was determined using a gamma spectrometer. The adsorption of praseodymium was fast (1 min of contact) with an adsorption capacity of 1.68 mg/g and the data were best adjusted to the pseudo-second-order model, whereas the data of adsorption isotherm were best adjusted to the Langmuir model with a maximum adsorption capacity of 39.16 ± 0.20 mg/g. The thermodynamic parameters indicated that a physicochemical mechanism took place in the adsorption of praseodymium by HAP (adsorption enthalpy = 31.65 kJ/mol), the randomness of the system increased (adsorption entropy = 0.16 kJ/mol), and according with Gibbs free energy, the adsorption process was spontaneous at high temperature. The praseodymium in the hydroxyapatite is stable, it could not be desorbed using different solutions (ammonium sulfate, calcium chloride, sodium chloride, hydrochloric acid, and sodium hydroxide).
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Affiliation(s)
- M Solache-Ríos
- Departamento de Química, Instituto Nacional de Investigaciones Nucleares, Ocoyoacac, Estado de México, C. P., México
| | - M Jiménez-Reyes
- Departamento de Química, Instituto Nacional de Investigaciones Nucleares, Ocoyoacac, Estado de México, C. P., México
| | - P T Almazán-Sánchez
- CONACyT - Instituto Nacional de Investigaciones Nucleares, Ocoyoacac, Estado de México, C. P., México
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Incampo G, Giangregorio N, Gambacorta N, Nicolotti O, Pacifico C, Palmieri L, Tonazzi A. Praseodymium trivalent ion is an effective inhibitor of mitochondrial basic amino acids and carnitine/acylcarnitine carriers. Biochim Biophys Acta Bioenerg 2022; 1863:148557. [PMID: 35367451 DOI: 10.1016/j.bbabio.2022.148557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 03/18/2022] [Accepted: 03/25/2022] [Indexed: 06/14/2023]
Abstract
We herein report the identification of the lantanide praseodymium trivalent ion Pr3+ as inhibitor of mitochondrial transporters for basic amino acids and phylogenetically related carriers belonging to the Slc25 family. The inhibitory effect of Pr3+ has been tested using mitochondrial transporters reconstituted into liposomes being effective in the micromolar range, acting as a competitive inhibitor of the human basic amino acids carrier (BAC, Slc25A29), the human carnitine/acylcarnitine carrier (CAC, Slc25A20). Furthermore, we provide computational evidence that the complete inhibition of the transport activity of the recombinant proteins is due to the Pr3+ coordination to key acidic residues of the matrix salt bridge network. Besides being used as a first choice stop inhibitor for functional studies in vitro of mitochondrial carriers reconstituted in proteoliposomes, Pr3+ might also represent a useful tool for structural studies of the mitochondrial carrier family.
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Affiliation(s)
- Giovanna Incampo
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari, Via Orabona 4, 70125 Bari, Italy
| | - Nicola Giangregorio
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari, Via Orabona 4, 70125 Bari, Italy; CNR Institute of Biomembranes, Bioenergetics and Molecular Biotechnologies (IBIOM), Via Amendola 122/O, 70126 Bari, Italy
| | - Nicola Gambacorta
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari, Via Orabona 4, 70125 Bari, Italy
| | - Orazio Nicolotti
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari, Via Orabona 4, 70125 Bari, Italy
| | - Concetta Pacifico
- Department of Chemistry, University of Bari, Via Orabona 4, 70125 Bari, Italy
| | - Luigi Palmieri
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari, Via Orabona 4, 70125 Bari, Italy; CNR Institute of Biomembranes, Bioenergetics and Molecular Biotechnologies (IBIOM), Via Amendola 122/O, 70126 Bari, Italy
| | - Annamaria Tonazzi
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari, Via Orabona 4, 70125 Bari, Italy; CNR Institute of Biomembranes, Bioenergetics and Molecular Biotechnologies (IBIOM), Via Amendola 122/O, 70126 Bari, Italy.
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Hu Y, Zhou F, Tian X, Ji C, Huang Z, Wen J, Luo F, Chen Z, Liu X, Peng Y. CaSnO 3: Pr 3+ phosphor for new application in temperature sensing. Spectrochim Acta A Mol Biomol Spectrosc 2020; 243:118799. [PMID: 32827913 DOI: 10.1016/j.saa.2020.118799] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 07/28/2020] [Accepted: 07/28/2020] [Indexed: 06/11/2023]
Abstract
CaSnO3: Pr3+ phosphor for new application in temperature sensing was investigated. CaSnO3: 0.3%Pr3+ had distorted orthorhombic perovskite structure and Pr3+ occupied Ca2+ sites due to their similar ionic radii. CaSnO3: 0.3%Pr3+ had spherical particles with mean size of 0.816 μm. The electric dipole-dipole interaction could explain the concentration quenching mechanism. The chromaticity coordinates were (0.1324, 0.3847), located in greenish-blue region and the average afterglow decay time was 60.2 s for CaSnO3: 0.15%Pr3+, which had potential applications for LED and emergency lighting. CaSnO3: 0.3%Pr3+ had the activated energy of 0.380 eV. The maximum relative temperature sensitivity for CaSnO3: 0.3%Pr3+ was 7.57% K-1 at 298 K and relative sensitivity was as high as 6722.76/T2 K-1, which was better than that of most Pr3+ doped phosphors and had potential application in temperature sensing. Moreover, the possible luminescence and long afterglow mechanisms and thermal quenching process of 3P0 level through IVCT state were proposed.
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Affiliation(s)
- Yufeng Hu
- Hunan Provincial Key Laboratory of Fine Ceramics and Powder Materials, School of Materials and Environmental Engineering, Hunan University of Humanities, Science and Technology, Loudi 417000, China
| | - Fei Zhou
- Hunan Provincial Key Laboratory of Fine Ceramics and Powder Materials, School of Materials and Environmental Engineering, Hunan University of Humanities, Science and Technology, Loudi 417000, China
| | - Xiuying Tian
- Hunan Provincial Key Laboratory of Fine Ceramics and Powder Materials, School of Materials and Environmental Engineering, Hunan University of Humanities, Science and Technology, Loudi 417000, China.
| | - Changyan Ji
- Hunan Provincial Key Laboratory of Fine Ceramics and Powder Materials, School of Materials and Environmental Engineering, Hunan University of Humanities, Science and Technology, Loudi 417000, China
| | - Zhi Huang
- National Electronic Ceramic Product Quality Supervision and Inspection Center, Loudi, Hunan 417000, China
| | - Jin Wen
- Hunan Provincial Key Laboratory of Fine Ceramics and Powder Materials, School of Materials and Environmental Engineering, Hunan University of Humanities, Science and Technology, Loudi 417000, China
| | - Fei Luo
- Hunan Provincial Key Laboratory of Fine Ceramics and Powder Materials, School of Materials and Environmental Engineering, Hunan University of Humanities, Science and Technology, Loudi 417000, China
| | - Zhanjun Chen
- Hunan Provincial Key Laboratory of Fine Ceramics and Powder Materials, School of Materials and Environmental Engineering, Hunan University of Humanities, Science and Technology, Loudi 417000, China
| | - Xin Liu
- Hunan Provincial Key Laboratory of Fine Ceramics and Powder Materials, School of Materials and Environmental Engineering, Hunan University of Humanities, Science and Technology, Loudi 417000, China.
| | - Yangxi Peng
- Hunan Provincial Key Laboratory of Fine Ceramics and Powder Materials, School of Materials and Environmental Engineering, Hunan University of Humanities, Science and Technology, Loudi 417000, China
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Papai R, Sousa de Freitas MA, Torre da Fonseca K, Alves de Almeida G, Filipini da Silveira JR, Nunis da Silva AL, Ferreira Neto JB, Lino Dos Santos CA, Gomes Landgraf FJ, Luz MS. Additivity of optical emissions applied to neodymium and praseodymium quantification in metallic didymium and (Nd,Pr)-Fe-B alloy samples by low-resolution atomic emission spectrometry: An evaluation of the mathematical approach used to solve spectral interferences. Anal Chim Acta 2019; 1085:21-28. [PMID: 31522727 DOI: 10.1016/j.aca.2019.07.049] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 06/24/2019] [Accepted: 07/23/2019] [Indexed: 11/18/2022]
Abstract
In this work, the effectiveness of a mathematical approach to solve the spectral interferences involved in the optical emission of two chemical species (neodymium and praseodymium) when using monochromators with low-resolution in atomic spectrometry is evaluated. Although recent technological advances have promoted spectrometers equipped with high-resolution monochromators, which have a great instrumental capability in the separation of nearby lines and consequently avoid spectral interferences, many laboratories still have old spectrometers installed with insufficient resolution to overcome such interferences. In order to evaluate a mathematical approach based on Lambert-Beer's Law, the optical emissions of neodymium and praseodymium were monitored on a low-resolution (200 pm) flame atomic emission spectrometry (F-AES). These two elements were strategically chosen as an application model because they exhibit similar physicochemical properties, joint occurrence in nature and because they are increasingly used in the manufacture of super-magnets, a material increasingly required by the high technology industry. The effectiveness of the mathematical approach was evaluated in three different ways: (i) by recovery of the analytes in synthetic mixtures containing known quantities of the species; (ii) by spike and recovery trials on a representative blend of dissolved samples and (iii) by comparing the results obtained with another analytical method: Inductively coupled plasma optical emission spectrometry (ICP-OES) with a higher spectral resolution. The results indicate the effectiveness of this simple mathematical approach, allow the "survival" of instruments equipped with low-resolution monochromators and demonstrate the applicability of this approach to spectral correction. In addition, this work contributes an analytical method for the quantification of neodymium and praseodymium in metallic alloy samples involved in the production of super-magnets, aiding in the strict quality control of these materials.
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Affiliation(s)
- Rodrigo Papai
- Instituto de Pesquisas Tecnológicas do Estado de São Paulo (IPT), Avenida Professor Almeida Prado, 532, Prédio 02, Cidade Universitária, Butantã, São Paulo, SP, 05508-901, Brazil.
| | - Millena Aparecida Sousa de Freitas
- Instituto de Pesquisas Tecnológicas do Estado de São Paulo (IPT), Avenida Professor Almeida Prado, 532, Prédio 02, Cidade Universitária, Butantã, São Paulo, SP, 05508-901, Brazil
| | - Karina Torre da Fonseca
- Instituto de Pesquisas Tecnológicas do Estado de São Paulo (IPT), Avenida Professor Almeida Prado, 532, Prédio 02, Cidade Universitária, Butantã, São Paulo, SP, 05508-901, Brazil
| | - Gilmar Alves de Almeida
- Instituto de Pesquisas Tecnológicas do Estado de São Paulo (IPT), Avenida Professor Almeida Prado, 532, Prédio 02, Cidade Universitária, Butantã, São Paulo, SP, 05508-901, Brazil; Instituto de Pesquisas Energéticas e Nucleares (IPEN), Avenida Professor Lineu Prestes, 2242, Cidade Universitária, Butantã, São Paulo, SP, 05508-000, Brazil
| | - João Ricardo Filipini da Silveira
- Instituto de Pesquisas Tecnológicas do Estado de São Paulo (IPT), Avenida Professor Almeida Prado, 532, Prédio 02, Cidade Universitária, Butantã, São Paulo, SP, 05508-901, Brazil
| | - André Luiz Nunis da Silva
- Instituto de Pesquisas Tecnológicas do Estado de São Paulo (IPT), Avenida Professor Almeida Prado, 532, Prédio 02, Cidade Universitária, Butantã, São Paulo, SP, 05508-901, Brazil
| | - João Batista Ferreira Neto
- Instituto de Pesquisas Tecnológicas do Estado de São Paulo (IPT), Avenida Professor Almeida Prado, 532, Prédio 02, Cidade Universitária, Butantã, São Paulo, SP, 05508-901, Brazil
| | - Célia Aparecida Lino Dos Santos
- Instituto de Pesquisas Tecnológicas do Estado de São Paulo (IPT), Avenida Professor Almeida Prado, 532, Prédio 02, Cidade Universitária, Butantã, São Paulo, SP, 05508-901, Brazil
| | - Fernando José Gomes Landgraf
- Escola Politécnica da Universidade de São Paulo (EPUSP), Avenida Professor Luciano Gualberto, 380, Cidade Universitária, Butantã, São Paulo, SP, 05508-010, Brazil
| | - Maciel Santos Luz
- Instituto de Pesquisas Tecnológicas do Estado de São Paulo (IPT), Avenida Professor Almeida Prado, 532, Prédio 02, Cidade Universitária, Butantã, São Paulo, SP, 05508-901, Brazil.
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Wang S, Hamza MF, Vincent T, Faur C, Guibal E. Praseodymium sorption on Laminaria digitata algal beads and foams. J Colloid Interface Sci 2017; 504:780-789. [PMID: 28623703 DOI: 10.1016/j.jcis.2017.06.028] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Revised: 06/07/2017] [Accepted: 06/07/2017] [Indexed: 02/04/2023]
Abstract
Algal (Laminaria digitata) beads and algal foams have been prepared by a new synthesis mode and the sorbents were tested for praseodymium sorption in batch and fixed-bed like systems (recirculation or one-pass modes), respectively. Metal binding occurs through ion-exchange with Ca(II) ions used for ionotropic gelation of alginate contained in the algal biomass and eventually with protons. Sorption isotherms at pH 4 are described by the Langmuir and the Sips equations with maximum sorption capacities close to 110-120mgPrg-1. Uptake kinetics are fitted by the pseudo-second order reaction rate equation for both beads and foams; in the case of beads the Crank equation also gives good fit of experimental data. Metal is successfully desorbed using 2M HCl/0.05M CaCl2 solutions and the sorbent can be efficiently re-used for a minimum of 5 cycles with negligible decrease in sorption/desorption properties and appreciable concentrating effect (around 8-10 times the initial metal concentration). Tested in continuous mode, the algal foam shows typical breakthrough curves that are fitted by the Yan method; desorption is also efficient and allows under the best conditions to achieve a concentration factor close to 8.
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Affiliation(s)
- Shengye Wang
- Ecole des mines d'Alès, Centre des Matériaux des Mines d'Alès, Pôle Matériaux Polymères Avancés, 6 avenue de Clavières, F-30319 Alès cedex, France
| | | | - Thierry Vincent
- Ecole des mines d'Alès, Centre des Matériaux des Mines d'Alès, Pôle Matériaux Polymères Avancés, 6 avenue de Clavières, F-30319 Alès cedex, France
| | - Catherine Faur
- Institut Européen des Membranes-IEM (UMR 5635, Université de Montpellier, ENSM, CNRS), Place Eugène Bataillon, 34095 Montpellier Cedex 5, France
| | - Eric Guibal
- Ecole des mines d'Alès, Centre des Matériaux des Mines d'Alès, Pôle Matériaux Polymères Avancés, 6 avenue de Clavières, F-30319 Alès cedex, France.
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Xu T, Zhang M, Hu J, Li Z, Wu T, Bao J, Wu S, Lei L, He D. Behavioral deficits and neural damage of Caenorhabditis elegans induced by three rare earth elements. Chemosphere 2017; 181:55-62. [PMID: 28426941 DOI: 10.1016/j.chemosphere.2017.04.068] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Revised: 04/03/2017] [Accepted: 04/15/2017] [Indexed: 05/15/2023]
Abstract
Rare earth elements (REEs) are widely used in industry, agriculture, medicine and daily life in recent years. However, environmental and health risks of REEs are still poorly understood. In this study, neurotoxicity of trichloride neodymium, praseodymium and scandium were evaluated using nematode Caenorhabditis elegans as the assay system. Median lethal concentrations (48 h) were 99.9, 157.2 and 106.4 mg/L for NdCl3, PrCl3 and ScCl3, respectively. Sublethal dose (10-30 mg/L) of these trichloride salts significantly inhibited body length of nematodes. Three REEs resulted in significant declines in locomotor frequency of body bending, head thrashing and pharyngeal pumping. In addition, mean speed and wavelength of crawling movement were significantly reduced after chronic exposure. Using transgenic nematodes, we found NdCl3, PrCl3 and ScCl3 resulted in loss of dendrite and soma of neurons, and induced down-expression of dat-1::GFP and unc-47::GFP. It indicates that REEs can lead to damage of dopaminergic and GABAergic neurons. Our data suggest that exposure to REEs may cause neurotoxicity of inducing behavioral deficits and neural damage. These findings provide useful information for understanding health risk of REE materials.
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Affiliation(s)
- Tiantian Xu
- Lab of Toxicology, School of Ecological and Environmental Sciences, East China Normal University, 500# DongChuan RD, Shanghai, 200241, China; Shanghai Key Laboratory for Urban Ecological Processes and Eco-Restoration, East China Normal University, Shanghai, 200241, China
| | - Manke Zhang
- Lab of Toxicology, School of Ecological and Environmental Sciences, East China Normal University, 500# DongChuan RD, Shanghai, 200241, China
| | - Jiani Hu
- Lab of Toxicology, School of Ecological and Environmental Sciences, East China Normal University, 500# DongChuan RD, Shanghai, 200241, China
| | - Zihan Li
- Lab of Toxicology, School of Ecological and Environmental Sciences, East China Normal University, 500# DongChuan RD, Shanghai, 200241, China
| | - Taipu Wu
- Lab of Toxicology, School of Ecological and Environmental Sciences, East China Normal University, 500# DongChuan RD, Shanghai, 200241, China
| | - Jianing Bao
- Lab of Toxicology, School of Ecological and Environmental Sciences, East China Normal University, 500# DongChuan RD, Shanghai, 200241, China
| | - Siyu Wu
- Lab of Toxicology, School of Ecological and Environmental Sciences, East China Normal University, 500# DongChuan RD, Shanghai, 200241, China
| | - Lili Lei
- Lab of Toxicology, School of Ecological and Environmental Sciences, East China Normal University, 500# DongChuan RD, Shanghai, 200241, China
| | - Defu He
- Lab of Toxicology, School of Ecological and Environmental Sciences, East China Normal University, 500# DongChuan RD, Shanghai, 200241, China; Shanghai Key Laboratory for Urban Ecological Processes and Eco-Restoration, East China Normal University, Shanghai, 200241, China.
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10
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Pereira VM, Costa AL, Feldl J, Maria TMR, Seixas de Melo JS, Martín-Ramos P, Martín-Gil J, Ramos Silva M. Synthesis, structure and physical properties of luminescent Pr(III) β-diketonate complexes. Spectrochim Acta A Mol Biomol Spectrosc 2017; 172:25-33. [PMID: 27345124 DOI: 10.1016/j.saa.2016.06.025] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Revised: 06/08/2016] [Accepted: 06/16/2016] [Indexed: 06/06/2023]
Affiliation(s)
- V M Pereira
- CFisUC, Department of Physics, University of Coimbra, Rua Larga, P-3004-516 Coimbra, Portugal
| | - A L Costa
- CQC, Department of Chemistry, University of Coimbra, Rua Larga, P-3004-535 Coimbra, Portugal
| | - J Feldl
- CFisUC, Department of Physics, University of Coimbra, Rua Larga, P-3004-516 Coimbra, Portugal; Fakultät für Physik, Ludwig-Maximilians-Universität, Schellingstrasse 4, 80799 München, Germany
| | - T M R Maria
- CQC, Department of Chemistry, University of Coimbra, Rua Larga, P-3004-535 Coimbra, Portugal
| | - J S Seixas de Melo
- CQC, Department of Chemistry, University of Coimbra, Rua Larga, P-3004-535 Coimbra, Portugal
| | - P Martín-Ramos
- CFisUC, Department of Physics, University of Coimbra, Rua Larga, P-3004-516 Coimbra, Portugal; Higher Polytechnic School of Huesca, University of Zaragoza, Carretera de Cuarte s/n, 22071 Huesca, Spain.
| | - J Martín-Gil
- Advanced Materials Laboratory, ETSIIAA, Universidad de Valladolid, Avda. Madrid 44, 34004 Palencia, Spain
| | - M Ramos Silva
- CFisUC, Department of Physics, University of Coimbra, Rua Larga, P-3004-516 Coimbra, Portugal.
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11
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Xu T, Su C, Hu D, Li F, Lu Q, Zhang T, Xu Q. Molecular distribution and toxicity assessment of praseodymium by Spirodela polyrrhiza. J Hazard Mater 2016; 312:132-140. [PMID: 27017399 DOI: 10.1016/j.jhazmat.2016.03.040] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2015] [Revised: 03/04/2016] [Accepted: 03/16/2016] [Indexed: 06/05/2023]
Abstract
Aquatic macrophytes are known to accumulate and bioconcentrate metals. In this study, the physiological, biochemical, and ultrastructural responses of Spirodela polyrrhiza to elevated concentrations of praseodymium (Pr), ranging from 0 to 60μM, were investigated over 20 d exposure. The results showed that the accumulation of Pr in S. polyrrhiza occurred in a concentration-dependent manner. The accumulation of Pr in biomacromolecules decreased in the order of cellulose and pectin (65-69%), crude proteins (18-25%), crude polysaccharides (6-10%), crude lipids (3%-4%). Significant increases in malondialdehyde (MDA), and decreases in photosynthetic pigment, soluble protein, and unsaturated fatty acids showed that Pr induced oxidative stress. Inhibitory effects on photosystem II and the degradation of the reaction center proteins D1 and D2 were revealed by chlorophyll a fluorescence transients, immunoblotting, and damage to chloroplast ultrastructure. Significant increases in cell death were observed in Pr-treated plants. However, S. polyrrhiza can combat Pr induced oxidative injury by activating various enzymatic and non-enzymatic antioxidants. These results will improve understanding of the biological consequences of rare earth elements (REEs) contamination, particularly in aquatic bodies.
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Affiliation(s)
- Ting Xu
- College of Life Science, Nanjing Normal University, Nanjing 210023, PR China
| | - Chunlei Su
- College of Life Science, Nanjing Normal University, Nanjing 210023, PR China
| | - Dan Hu
- College of Life Science, Nanjing Normal University, Nanjing 210023, PR China
| | - Feifei Li
- College of Life Science, Nanjing Normal University, Nanjing 210023, PR China
| | - Qianqian Lu
- College of Life Science, Nanjing Normal University, Nanjing 210023, PR China
| | - Tingting Zhang
- College of Life Science, Nanjing Normal University, Nanjing 210023, PR China
| | - Qinsong Xu
- College of Life Science, Nanjing Normal University, Nanjing 210023, PR China.
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12
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Zaitoun MA, El-Qisairi AK, Momani KA, Qaseer HA, Jaradat QM. Pr(III) luminescence enhancement by chelation in solution and in sol-gel glass. Spectrochim Acta A Mol Biomol Spectrosc 2015; 136 Pt C:1745-1750. [PMID: 25467665 DOI: 10.1016/j.saa.2014.10.076] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2014] [Revised: 10/08/2014] [Accepted: 10/19/2014] [Indexed: 06/04/2023]
Abstract
Due to the weak emission of lanthanide ions in solution, it is common practice to form complexes of the lanthanide ions with organic ligands that strongly absorbs light and transfers the energy to the lanthanide ion center via the antenna effect. The organic ligands 2-6-pyridinedicarboxylate (L1) and the polytonic diazine (N-N) ligand L2 (C22H16N12O2) were used to synthesize two Pr(III) complexes, namely: Pr-L1 (Na3[Pr(C7H3NO4)3]) and Pr-L2. The prepared complexes were further encapsulated in an optically transparent sol-gel glass. The synthesized ligands and complexes were characterized by FTIR and (1)H NMR. Room temperature luminescence of Pr-L1 and Pr-L2 complexes in solution and in sol-gel glass were investigated using a spectrofluorometer. Excitation at the maximum absorption wavelength of the ligands (280nm) resulted in the typical visible luminescence (centered at around 600nm) resulting from the (1)D2→(3)H4 transition of the Pr(III) ion, which contributes to the efficient energy transfer from the absorbing ligand L1 to the chelated Pr(III) ion (an antenna effect) while the Pr(III) luminescence is not efficiently sensitized by ligand L2. The obtained emission spectra indicated that the excitation energy level for the central Pr(III) is in a slightly lower location than ligand L1 excitation triplet (T1) level and can accept the energy transfer from T1 efficiently.
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Affiliation(s)
- M A Zaitoun
- Department of Chemistry, Mutah University, Karak, Jordan.
| | - A K El-Qisairi
- Department of Chemistry, Mutah University, Karak, Jordan
| | - K A Momani
- Department of Chemistry, Mutah University, Karak, Jordan
| | - H A Qaseer
- Department of Chemistry, Mutah University, Karak, Jordan
| | - Q M Jaradat
- Department of Chemistry, Yarmouk University, Irbid, Jordan
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13
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Abstract
In the present work, results of γ-irradiation on normal and functionalized SBA-15 by aurintricarboxylic acid have been reported. Characterization of normal and functionalized SBA-15 particles before and after γ-irradiation was carried out using Fourier-transform infrared technique. Aurintricarboxylic acid ligand connected to SBA-15 was also analyzed using UV/Vis spectrophotometer. The modified sorbent was then used as a new sorbent for separation of trace amounts of praseodymium and lutetium ions from nuclear waste waters in batch techniques. Based on the results of distribution coefficients determination, and investigation of sorption process in various conditions, the parameters were optimized for separation lanthanides. It can be concluded that the functionalized SBA-15 is a promising sorbent for praseodymium and lutetium cations.
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Affiliation(s)
- M H Mallah
- Jaber Ibn Hayan Research Labs, Nuclear Fuel Cycle Research School, Nuclear Science & Technology Research Institute, Atomic Energy Organization of Iran, End of North Karegar Ave., P.O. Box 14395-836, Tehran, Iran
| | - M Ghannadi Maragheh
- Jaber Ibn Hayan Research Labs, Nuclear Fuel Cycle Research School, Nuclear Science & Technology Research Institute, Atomic Energy Organization of Iran, End of North Karegar Ave., P.O. Box 14395-836, Tehran, Iran
| | - A Badiei
- Department of Inorganic Chemistry, Faculty of Chemistry, University of Tehran, Tehran, Iran
| | - R Habibzadeh Sbo
- Jaber Ibn Hayan Research Labs, Nuclear Fuel Cycle Research School, Nuclear Science & Technology Research Institute, Atomic Energy Organization of Iran, End of North Karegar Ave., P.O. Box 14395-836, Tehran, Iran
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