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Zhang K, Zhang H, Xie C, Zhu Z, Lin L, An Q, Zhang X, Wu W, Li D. Piriformospora indica colonization enhances remediation of cadmium and chromium co-contaminated soils by king grass through plant growth promotion and rhizosphere microecological regulation. JOURNAL OF HAZARDOUS MATERIALS 2024; 462:132728. [PMID: 37820529 DOI: 10.1016/j.jhazmat.2023.132728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 10/04/2023] [Accepted: 10/04/2023] [Indexed: 10/13/2023]
Abstract
Poor plant growth and low pollutant bioavailability in contaminated soils limit phytoremediation efficiency. Pot experiments were conducted to investigate the effects and mechanisms of Piriformospora indica inoculation on the phytoremediation of Cd-Cr co-contaminated soils from farmland using king grass. P. indica colonization increased plant biomass by 20.4-24.6% and enhanced Cd/Cr accumulation in root, stem and leave tissues. Root vascular cylinder and cortex were the major structures for Cd/Cr transportation in plants. The amounts of Cd and Cr extracted by king grass considerably increased in the presence of P. indica (by 31.5-88.9% and 22.4-38.4%, respectively), as did the removal efficiency of both metals from soils (by 13.2-32.2% and 23.2-33.5%, respectively). Cd/Cr phytoextraction was closely related to the contents of alkanes, lipids and acids in root exudates. Following inoculation, the respiration of microbial sulfur compounds was promoted in soils at low and medium pollution levels, whereas nitrogen fixation and nitrification were reduced at high pollution level. This study demonstrates that P. indica inoculation enhances the phytoremediation efficiency of king grass for Cd-Cr co-contaminated soils through multiple regulation of plant growth, rhizosphere environment, root exudation and soil microbial function.
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Affiliation(s)
- Kailu Zhang
- School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China
| | - Haixiang Zhang
- School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China
| | - Can Xie
- School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China
| | - Zhiqiang Zhu
- School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China.
| | - Li Lin
- Key Laboratory of Sugarcane Biotechnology and Genetic Improvement (Guangxi) / Guangxi Key Laboratory of Sugarcane Genetic Improvement, Ministry of Agriculture and Rural Affairs, Nanning 530007, China
| | - Qianli An
- Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310000, China
| | - Xin Zhang
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 10085, China; University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Weidong Wu
- School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China
| | - Dong Li
- Key Laboratory for Environmental Toxicology of Haikou / Center for Eco-Environmental Restoration Laboratory of Marine Resource Utilization in South China Sea / Key Laboratory of Agro-Forestry Environmental Processes and Ecological Regulation of Hainan Province, Hainan University, Haikou 570228, China.
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Corzo Remigio A, Harris HH, Paterson DJ, Edraki M, van der Ent A. Chemical transformations of arsenic in the rhizosphere-root interface of Pityrogramma calomelanos and Pteris vittata. Metallomics 2023; 15:mfad047. [PMID: 37528060 PMCID: PMC10427965 DOI: 10.1093/mtomcs/mfad047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 07/31/2023] [Indexed: 08/03/2023]
Abstract
Pityrogramma calomelanos and Pteris vittata are cosmopolitan fern species that are the strongest known arsenic (As) hyperaccumulators, with potential to be used in the remediation of arsenic-contaminated mine tailings. However, it is currently unknown what chemical processes lead to uptake of As in the roots. This information is critical to identify As-contaminated soils that can be phytoremediated, or to improve the phytoremediation process. Therefore, this study identified the in situ distribution of As in the root interface leading to uptake in P. calomelanos and P. vittata, using a combination of synchrotron micro-X-ray fluorescence spectroscopy and X-ray absorption near-edge structure imaging to reveal chemical transformations of arsenic in the rhizosphere-root interface of these ferns. The dominant form of As in soils was As(V), even in As(III)-dosed soils, and the major form in P. calomelanos roots was As(III), while it was As(V) in P. vittata roots. Arsenic was cycled from roots growing in As-rich soil to roots growing in control soil. This study combined novel analytical approaches to elucidate the As cycling in the rhizosphere and roots enabling insights for further application in phytotechnologies to remediated As-polluted soils.
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Affiliation(s)
- Amelia Corzo Remigio
- Centre for Water in the Minerals Industry, Sustainable Minerals Institute, The University of Queensland, Brisbane, Australia
| | - Hugh H Harris
- Department of Chemistry, The University of Adelaide, Adelaide, Australia
| | | | - Mansour Edraki
- Centre for Water in the Minerals Industry, Sustainable Minerals Institute, The University of Queensland, Brisbane, Australia
| | - Antony van der Ent
- Centre for Mined Land Rehabilitation, Sustainable Minerals Institute, The University of Queensland, Brisbane, Australia
- Laboratory of Genetics, Wageningen University and Research, Wageningen, The Netherlands
- Laboratoire Sols et Environnement, INRAE, Université de Lorraine, Nancy, France
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3
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Heimler K, Gottschalk C, Vogt C. Confocal micro X-ray fluorescence analysis for the non-destructive investigation of structured and inhomogeneous samples. Anal Bioanal Chem 2023:10.1007/s00216-023-04829-x. [PMID: 37482571 PMCID: PMC10404190 DOI: 10.1007/s00216-023-04829-x] [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: 03/02/2023] [Revised: 06/23/2023] [Accepted: 06/26/2023] [Indexed: 07/25/2023]
Abstract
Confocal micro X-ray fluorescence (CMXRF) spectroscopy is a non-destructive, depth-resolved, and element-specific technique that is used to analyze the elemental composition of a sample. For this, a focused beam of mono- or polychromatic X-rays is applied to excite the atoms in the sample, causing them to emit fluorescence radiation which is detected with focusing capillary optics. The confocal design of the instrument allows for depth-resolved analysis, in most cases with a resolution in the lower micrometer dimension after collecting X-rays from a predefined volume within the sample. The element-specific nature of the technique allows information to be obtained about the presence and concentration of specific elements in this volume. This makes CMXRF spectroscopy a valuable tool for a wide range of applications, especially when samples with an inhomogeneous distribution of elements and a relatively light matrix have to be analyzed, which are typical examples in materials science, geology, and biology. The technique is also commonly used in the art and archaeology fields to analyze the elemental composition of historical artifacts and works of art, helping to provide valuable insights into their provenance, composition, and making. Recent technical developments to increase sensitivity and efforts to improve quantification in three-dimensional samples will encourage wider use of this method across a multitude of fields of application in the near future. Confocal micro X-ray fluorescence (CMXRF) is based on the confocal overlap of two polycapillary lens foci, creating a depth-sensitive and non-destructive probing volume. Three-dimensional resolved element distribution images can be obtained by measuring the fluorescence intensity as function of the three-dimensional position.
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Affiliation(s)
- Korbinian Heimler
- Institute of Analytical Chemistry, TU Bergakademie Freiberg, Leipziger Str. 29, 09599, Freiberg, Germany
| | - Christine Gottschalk
- Institute of Analytical Chemistry, TU Bergakademie Freiberg, Leipziger Str. 29, 09599, Freiberg, Germany
- AMINO GmbH, An der Zucker-Raffinerie 9, 38373, Frellstedt, Germany
| | - Carla Vogt
- Institute of Analytical Chemistry, TU Bergakademie Freiberg, Leipziger Str. 29, 09599, Freiberg, Germany.
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4
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Castillejos Sepúlveda A, Metzger E, Littmann S, Taubner H, Chennu A, Gatti L, de Beer D, Klatt JM. Two-Dimensional Mapping of Arsenic Concentration and Speciation with Diffusive Equilibrium in Thin-Film Gels. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:8107-8117. [PMID: 37190938 DOI: 10.1021/acs.est.3c00887] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
We present a new approach combining diffusive equilibrium in thin-film gels and spectrophotometric methods to determine the spatial distribution of arsenite, arsenate, and phosphate at submillimeter resolution. The method relies on the simultaneous deployment of three gel probes. Each retrieved gel is exposed to malachite green reagent gels differing in acidity and oxidant addition, leading to green coloration dependent on analyte speciation and concentration. Hyperspectral images of the gels enable mapping the three analytes in the 2.5-20 μM range. This method was applied in a contaminated brook in the Harz mountains, Germany, together with established mapping of dissolved iron. The use of two-dimensional (2D) gel probes was compared to traditional porewater extraction. The gels revealed banded porewater patterns on a mm-scale, which were undetectable using traditional methods. Small-scale correlation analyses of arsenic and iron microstructures in the gels suggested active iron-driven local redox cycling of arsenic. Overall, the results indicate continuous net release of arsenic from contaminant particles and deepen our understanding of arsenate transformation under anaerobic conditions. This study is the first fine-scale 2D characterization of arsenic speciation in porewater and represents a crucial step toward understanding the transfer and redox cycling of arsenic in contaminated sediment/soil ecosystems.
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Affiliation(s)
| | - Edouard Metzger
- Laboratoire de Planétologie et Géosciences, Université d'Angers, Nantes Université, Le Mans Université, CNRS UMR 6112, Angers 49045, France
| | - Sten Littmann
- Biogeochemistry Group, Max Planck Institute for Marine Microbiology, Celsiusstraße 1, Bremen 28359, Germany
| | - Heidi Taubner
- MARUM Center for Marine Environmental Science and Faculty of Geosciences, Organic Geochemistry Group, University of Bremen, Leobener Str. 8, Bremen 28359, Germany
| | - Arjun Chennu
- Data Science and Technology, Leibniz Centre for Tropical Marine Research, Fahrenheitstr. 6, Bremen 28359, Germany
| | - Lais Gatti
- Microsensor Group, Max Planck Institute for Marine Microbiology, Celsiusstraße 1, Bremen 28359, Germany
| | - Dirk de Beer
- Microsensor Group, Max Planck Institute for Marine Microbiology, Celsiusstraße 1, Bremen 28359, Germany
| | - Judith M Klatt
- Microsensor Group, Max Planck Institute for Marine Microbiology, Celsiusstraße 1, Bremen 28359, Germany
- Microcosm Earth Center, Max Planck Institute for Terrestrial Microbiology and Philipps-Universität Marburg, Marburg 35032, Germany
- Center for Synthetic Microbiology (SYNMIKRO), Marburg 35032, Germany
- Biogeochemistry Group, Department of Chemistry, Philipps-Universität Marburg, Marburg 35032, Germany
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5
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Liu Y, Zhang B, Han YH, Yao Y, Guo P. Involvement of exogenous arsenic-reducing bacteria in root surface biofilm formation promoted phytoextraction of arsenic. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 858:160158. [PMID: 36379332 DOI: 10.1016/j.scitotenv.2022.160158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 11/09/2022] [Indexed: 06/16/2023]
Abstract
Root surface biofilm (RSB) is the last window for pollutants entering plant roots and thus plays a critical role in the phytoextraction of pollutants. Exogenous arsenic-reducing bacteria (EARB) have been adopted to enhance the phytoextraction of arsenic (As). However, whether EARB would be involved in RSB formation together with indigenous bacteria and the role of EARB involvement in As phytoextraction are still unknown. Herein, two EARB strains and two phytoextractors (wheat and maize) were selected to investigate the involvement of EARB in RSB formation and its role in As phytoextraction. Results showed that EARB successfully participated in RSB formation together with indigenous bacteria, attributing to their strong chemotaxis and biofilm formation abilities induced by root exudates. The involvement of EARB in RSB formation significantly enhanced As accumulation in plant roots, since more arsenite (As(III)) caused by arsenate (As(V)) reduction in RSB was absorbed by roots. Its underlying mechanism was further elucidated. EARB involvement increased phylum Proteobacteria to produce more siderophores in RSB. Siderophores then improved photosynthesis by increasing catalase and peroxidase activities and decreasing the malondialdehyde of plants. These actions further raised the shoot fresh weight to enhance As accumulation in plant roots. Moreover, mesophyll cell in wheat has a stronger As(V) reduction ability than that in maize, resulting in opposite distribution patterns of As(III) and As(V) in wheat and maize shoots. This study provides a new understanding of phytoextraction enhanced by exogenous bacteria and fills the gap in the role of EARB in As phytoextraction from the perspective of the RSB microregion.
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Affiliation(s)
- Yibo Liu
- Key Laboratory of Groundwater Resources and Environment Ministry of Education, College of New Energy and Environment, Jilin University, Changchun 130012, PR China; Jilin Provincial Key Laboratory of Water Resources and Environment, Jilin University, Changchun 130012, PR China
| | - Baiyu Zhang
- Department of Civil Engineering, Faculty of Engineering and Applied Science, Memorial University, St. John's, NL A1B 3X5, Canada
| | - Yong-He Han
- College of Environmental Science and Engineering, Fujian Normal University, Fuzhou 350007, P R, China; Fujian Key Laboratory of Pollution Control and Resource Reuse, Fuzhou 350007, PR China
| | - Ye Yao
- College of Physics, Jilin university, Changchun 130012, PR China
| | - Ping Guo
- Key Laboratory of Groundwater Resources and Environment Ministry of Education, College of New Energy and Environment, Jilin University, Changchun 130012, PR China; Jilin Provincial Key Laboratory of Water Resources and Environment, Jilin University, Changchun 130012, PR China.
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6
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Wan X, Zeng W, Zhang D, Wang L, Lei M, Chen T. Changes in the concentration, distribution, and speciation of arsenic in the hyperaccumulator Pteris vittata at different growth stages. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 841:156708. [PMID: 35718183 DOI: 10.1016/j.scitotenv.2022.156708] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 05/25/2022] [Accepted: 06/11/2022] [Indexed: 06/15/2023]
Abstract
The arsenic (As) hyperaccumulator has become a model plant for the study of the interaction between plants and trace elements. However, the change in As concentration, distribution and speciation of hyperaccumulator Pteris vittata at different growth stages, especially with the aging process remains unknown. We collected P. vittata at different growth ages and analyzed As concentration, distribution, and speciation. Furthermore, metabolic profiling was conducted for P. vittata at different growth stages. With aging, the reduced glutathione/ oxidized glutathione ratio decreased while the malondialdehyde content increased, accompanied by the change in the main As speciation in P. vittata from arsenite to arsenate. Metabolic profiling also indicated significant difference in the compositions of metabolites during different growth stages. Specifically, flavonoid compounds were found to be positively correlated with As concentration. Results indicated that with the aging of P. vittata, the redox potential increased in the pinnae, leading to the oxidation of As, which may have impacted the distribution of As in this fern. Furthermore, the correlation between As concentration and flavonoid compounds implied the essential role of flavonoid metabolism in the accumulation and transport of As in this plant.
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Affiliation(s)
- Xiaoming Wan
- Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Weibin Zeng
- Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Degang Zhang
- Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China; Honghe University, Mengzi 661199, China
| | - Lingqing Wang
- Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Mei Lei
- Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Tongbin Chen
- Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
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7
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Antenozio ML, Capobianco G, Costantino P, Vamerali T, Bonifazi G, Serranti S, Brunetti P, Cardarelli M. Arsenic accumulation in Pteris vittata: Time course, distribution, and arsenic-related gene expression in fronds and whole plantlets. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 309:119773. [PMID: 35841986 DOI: 10.1016/j.envpol.2022.119773] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 07/08/2022] [Accepted: 07/10/2022] [Indexed: 06/15/2023]
Abstract
In this work, arsenic (As) accumulation and distribution over time in Pteris vittata young fronds from adult plants and in whole plantlets, grown on a highly contaminated As-soil, was determined by μ-XRF. A linear increase in As content up to 60 days was found in young fronds at different times, and a progressive distribution from the apex to the base of the fronds was observed. In whole plantlets, As signal was detectable from 9 to 20 days in the apex of a few fronds and fiddleheads. Later, up to 60 days, As was localized in all fronds, in the rhizome and in basal part of the roots. The dynamics of expression of As-related genes revealed a good correlation between As content and the level of the As (III)-antiporter PvACR3 transcript in plantlets roots and fronds and in young fronds. Moreover, the transcription of As (V)-related gametophytic genes PvGAPC1, PvOCT4 increases over time during As accumulation while PvGSTF1 is expressed only in roots. Here, we demonstrate the suitability of the μ-XRF technique to monitor As accumulation, which allowed us to propose that As is initially directly transported to fiddleheads and apex of fronds, is later distributed to the whole fronds and simultaneously accumulated in the rhizome and roots. We also provide indications on the expression of candidate genes possibly involved in As (hyper)accumulation.
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Affiliation(s)
- Maria Luisa Antenozio
- Istituto di Biologia e Patologia Molecolari, Consiglio Nazionale delle Ricerche, Sapienza Università di Roma, 00185, Rome, Italy; Dipartimento di Biologia e Biotecnologie, Sapienza Università di Roma, 00185, Rome, Italy
| | - Giuseppe Capobianco
- Dipartimento di Ingegneria Chimica Materiali Ambiente, La Sapienza - University of Roma, Via Eudossiana, 18, 00184, Rome, Italy
| | - Paolo Costantino
- Dipartimento di Biologia e Biotecnologie, Sapienza Università di Roma, 00185, Rome, Italy
| | - Teofilo Vamerali
- Dipartimento di Agronomia, Animali, Alimenti, Risorse Naturali e Ambiente, University of Padua, Viale dell'Università 16, 35020, Legnaro, Padua, Italy
| | - Giuseppe Bonifazi
- Dipartimento di Ingegneria Chimica Materiali Ambiente, La Sapienza - University of Roma, Via Eudossiana, 18, 00184, Rome, Italy
| | - Silvia Serranti
- Dipartimento di Ingegneria Chimica Materiali Ambiente, La Sapienza - University of Roma, Via Eudossiana, 18, 00184, Rome, Italy
| | - Patrizia Brunetti
- Istituto di Biologia e Patologia Molecolari, Consiglio Nazionale delle Ricerche, Sapienza Università di Roma, 00185, Rome, Italy.
| | - Maura Cardarelli
- Istituto di Biologia e Patologia Molecolari, Consiglio Nazionale delle Ricerche, Sapienza Università di Roma, 00185, Rome, Italy
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8
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Liu Y, Körnig C, Qi B, Schmutzler O, Staufer T, Sanchez-Cano C, Magel E, White JC, Feliu N, Grüner F, Parak WJ. Size- and Ligand-Dependent Transport of Nanoparticles in Matricaria chamomilla as Demonstrated by Mass Spectroscopy and X-ray Fluorescence Imaging. ACS NANO 2022; 16:12941-12951. [PMID: 35938921 DOI: 10.1021/acsnano.2c05339] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Matricaria chamomilla flowers were incubated with gold nanoparticles of different sizes ranging from 1.4 to 94 nm. After different incubation times of 6, 12, 24, and 48 h, the gold distribution in the flowers was destructively measured by inductively coupled plasma mass spectrometry (ICP-MS) and non-destructively measured by X-ray fluorescence imaging (XFI) with high lateral resolution. As a control, the biodistribution of iodine ions or iodine-containing organic molecules (iohexol) was determined, in order to demonstrate the feasibility of mapping the distribution of several elements in parallel. The results show a clear size-dependent transport of the nanoparticles. In addition, the surface chemistry also plays a decisive role in disposition. Only the 1.6 nm nanoparticles coated with acetylcysteine could be efficiently transported through the stem of the flowers into the petals. In this case, almost 80% of the nanoparticles which were found within each flower were located in the petals. The study also highlights the potential of XFI for in situ recording of in vivo analyte biodistribution.
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Affiliation(s)
- Yang Liu
- Fachbereich Physik, Universität Hamburg, 22607 Hamburg, Germany
| | - Christian Körnig
- Fachbereich Physik, Universität Hamburg, 22607 Hamburg, Germany
- Center for Free-Electron Laser Science (CFEL), 22607 Hamburg, Germany
| | - Bing Qi
- Fachbereich Physik, Universität Hamburg, 22607 Hamburg, Germany
| | - Oliver Schmutzler
- Fachbereich Physik, Universität Hamburg, 22607 Hamburg, Germany
- Center for Free-Electron Laser Science (CFEL), 22607 Hamburg, Germany
| | - Theresa Staufer
- Fachbereich Physik, Universität Hamburg, 22607 Hamburg, Germany
- Center for Free-Electron Laser Science (CFEL), 22607 Hamburg, Germany
| | - Carlos Sanchez-Cano
- DIPC (Donostia International Physics Center), 20018 Donostia/San Sebastian, Gipuzkoa Spain
- Ikerbasque, Basque Foundation for Science, 48009 Bilbao, Spain
| | - Elisabeth Magel
- Fachbereich Biologie, Universität Hamburg, 21031 Hamburg, Germany
| | - Jason C White
- The Connecticut Agricultural Experiment Station, New Haven, Connecticut 06504, United States
| | - Neus Feliu
- Zentrum für Angewandte Nanotechnologie CAN, Fraunhofer-Institut für Angewandte Polymerforschung IAP, 20146 Hamburg, Germany
| | - Florian Grüner
- Fachbereich Physik, Universität Hamburg, 22607 Hamburg, Germany
- Center for Free-Electron Laser Science (CFEL), 22607 Hamburg, Germany
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9
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Li JX, Zhang RL, Pan ZJ, Liao Y, Xiong CB, Chen ML, Huang R, Pan XH, Chen Z. Preparation of CdS@C Photocatalyst Using Phytoaccumulation Cd Recycled From Contaminated Wastewater. Front Chem 2021; 9:717210. [PMID: 34660527 PMCID: PMC8512432 DOI: 10.3389/fchem.2021.717210] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Accepted: 08/17/2021] [Indexed: 11/13/2022] Open
Abstract
Cadmium is one of the most toxic heavy metal contaminants in soils and water bodies and poses a serious threat to ecosystems and humans. However, cadmium is also an important resource widely used in many industries. The recovery of cadmium in the form of high-value products is considered as an ideal disposal strategy for Cd-contaminated environments. In this work, Pistia stratiotes was used to recycle cadmium from wastewaters through phytoaccumulation and then transformed into carbon-supported cadmium sulfide photocatalyst (CdS@C) through carbonization and hydrothermal reaction. The CdS@C photocatalyst contained a mixture of cubic and hexagonal CdS with lower band gap energy (2.14 eV) and high electron-hole separation efficiency, suggesting an excellent photoresponse ability and photocatalytic efficiency. The impressive stability and photocatalytic performance of CdS@C were demonstrated in efficient photodegradation of organic pollutants. •OH and O2•- were confirmed as the major active species for organic pollutants degradation during CdS@C photocatalysis. This work provides new insights into addressing Cd contaminated water bodies and upcycling in the form of photocatalyst.
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Affiliation(s)
- Jia-Xin Li
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Rou-Lan Zhang
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Zi-Jian Pan
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Yan Liao
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Chao-Bin Xiong
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Ming-Li Chen
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Rong Huang
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Xiao-Hong Pan
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops and Key Lab of Biopesticide and Chemical Biology, Ministry of Education, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Zhi Chen
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou, China
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10
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Francischini DS, Arruda MA. When a picture is worth a thousand words: Molecular and elemental imaging applied to environmental analysis – A review. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106526] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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11
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Antenozio ML, Giannelli G, Marabottini R, Brunetti P, Allevato E, Marzi D, Capobianco G, Bonifazi G, Serranti S, Visioli G, Stazi SR, Cardarelli M. Phytoextraction efficiency of Pteris vittata grown on a naturally As-rich soil and characterization of As-resistant rhizosphere bacteria. Sci Rep 2021; 11:6794. [PMID: 33762609 PMCID: PMC7990962 DOI: 10.1038/s41598-021-86076-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 02/28/2021] [Indexed: 12/21/2022] Open
Abstract
This study evaluated the phytoextraction capacity of the fern Pteris vittata grown on a natural arsenic-rich soil of volcanic-origin from the Viterbo area in central Italy. This calcareous soil is characterized by an average arsenic concentration of 750 mg kg−1, of which 28% is bioavailable. By means of micro-energy dispersive X-ray fluorescence spectrometry (μ-XRF) we detected As in P. vittata fronds after just 10 days of growth, while a high As concentrations in fronds (5,000 mg kg−1), determined by Inductively coupled plasma-optical emission spectrometry (ICP-OES), was reached after 5.5 months. Sixteen arsenate-tolerant bacterial strains were isolated from the P. vittata rhizosphere, a majority of which belong to the Bacillus genus, and of this majority only two have been previously associated with As. Six bacterial isolates were highly As-resistant (> 100 mM) two of which, homologous to Paenarthrobacter ureafaciens and Beijerinckia fluminensis, produced a high amount of IAA and siderophores and have never been isolated from P. vittata roots. Furthermore, five isolates contained the arsenate reductase gene (arsC). We conclude that P. vittata can efficiently phytoextract As when grown on this natural As-rich soil and a consortium of bacteria, largely different from that usually found in As-polluted soils, has been found in P. vittata rhizosphere.
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Affiliation(s)
- M L Antenozio
- IBPM-CNR, Dip. Biologia e Biotecnologie, Sapienza Università di Roma, P.le A. Moro 5, 00185, Rome, Italy.,Dip. Biologia e Biotecnologie, Sapienza Università di Roma, 00185, Rome, Italy
| | - G Giannelli
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 11/A, 43124, Parma, Italy
| | - R Marabottini
- Department for Innovation in Biological, Agri-Food and Forestry Systems (DIBAF), University of Viterbo, Via San Camillo de Lellis snc, 01100, Viterbo, Italy
| | - P Brunetti
- IBPM-CNR, Dip. Biologia e Biotecnologie, Sapienza Università di Roma, P.le A. Moro 5, 00185, Rome, Italy
| | - E Allevato
- Department of Chemical, Pharmaceutical and Agricultural Science (DOCPAS), University of Ferrara, 44121, Ferrara, Italy
| | - D Marzi
- IBPM-CNR, Dip. Biologia e Biotecnologie, Sapienza Università di Roma, P.le A. Moro 5, 00185, Rome, Italy
| | - G Capobianco
- Dip. Ingegneria Chimica Materiali Ambiente, Sapienza Università di Roma, 00184, Rome, Italy
| | - G Bonifazi
- Dip. Ingegneria Chimica Materiali Ambiente, Sapienza Università di Roma, 00184, Rome, Italy
| | - S Serranti
- Dip. Ingegneria Chimica Materiali Ambiente, Sapienza Università di Roma, 00184, Rome, Italy
| | - G Visioli
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 11/A, 43124, Parma, Italy
| | - S R Stazi
- Department of Chemical, Pharmaceutical and Agricultural Science (DOCPAS), University of Ferrara, 44121, Ferrara, Italy.
| | - M Cardarelli
- IBPM-CNR, Dip. Biologia e Biotecnologie, Sapienza Università di Roma, P.le A. Moro 5, 00185, Rome, Italy.
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Arsenic: its chemistry, its occurrence in the earth and its release into industry and the environment. CHEMTEXTS 2020. [DOI: 10.1007/s40828-020-00118-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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