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Martinot PL, Guigue C, Chifflet S, Cuny P, Barani A, Didry M, Dignan C, Guyomarc'h L, Pradel N, Pringault O, Van Wambeke F, Vu CT, Mari X, Tedetti M. Assessing the bioavailability of black carbon-derived dissolved organic matter for marine heterotrophic prokaryotes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 901:165802. [PMID: 37524184 DOI: 10.1016/j.scitotenv.2023.165802] [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: 04/27/2023] [Revised: 07/01/2023] [Accepted: 07/24/2023] [Indexed: 08/02/2023]
Abstract
Here we investigated the bioavailability of black carbon (BC)-derived dissolved organic matter (DOM) for a natural mixed community of marine heterotrophic prokaryotes. We ran an in vitro biodegradation experiment that took place over 3 months and exposed a community of organisms collected in the northwestern Mediterranean Sea (Bay of Marseille, France) to three different soluble fractions of BC prepared in the laboratory from various fossil fuel combustion particulates: standard diesel (DREF), oxidized diesel (DREF-OX), and natural samples of ship soot (DSHIP). Over the course of the three months, we observed significant decreases in the concentrations of dissolved organic carbon (DOC; from 9 to 21 %), dissolved BC (DBC; from 22 to 38 %) and dissolved polycyclic aromatic hydrocarbons (d-PAH; from 24 to 64 %) along with variability in the growth dynamics and activity of the heterotrophic prokaryotic community. The heterotrophic prokaryotic community exposed to DREF-OX treatment showed the highest values of respiration and production and the highest cell abundance, associated with the highest decrease in DOC (21 %) and d-PAH (64 %) concentrations. In the DREF and DSHIP treatments, prokaryotic activity was oriented towards anabolism. DREF treatment led to the highest decrease in DBC concentration (38 %). DSHIP treatment, which presented a substantially different d-PAH and dissolved metals content to the other two treatments, showed the lowest decreases in DOC, DBC and d-PAH concentrations, as well as the lowest prokaryotic activity and biomasses. Our results indicate that BC-derived DOM, including the most condensed fraction of this material, is partly bioavailable and therefore likely to be assimilated by marine prokaryotes. The origin of BC/soot deposited at the ocean surface turns out to be a key parameter that dictates the efficiency of biodegradation of its dissolved fraction by heterotrophic prokaryotes.
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Affiliation(s)
- Pauline L Martinot
- Aix Marseille Université, Université de Toulon, CNRS, IRD, MIO, Marseille, France; Water - Environment - Oceanography (WEO) Department, University of Science and Technology of Hanoi (USTH), Vietnam Academy of Science and Technology (VAST), Hanoi, Viet Nam.
| | - Catherine Guigue
- Aix Marseille Université, Université de Toulon, CNRS, IRD, MIO, Marseille, France; Water - Environment - Oceanography (WEO) Department, University of Science and Technology of Hanoi (USTH), Vietnam Academy of Science and Technology (VAST), Hanoi, Viet Nam
| | - Sandrine Chifflet
- Aix Marseille Université, Université de Toulon, CNRS, IRD, MIO, Marseille, France
| | - Philippe Cuny
- Aix Marseille Université, Université de Toulon, CNRS, IRD, MIO, Marseille, France
| | - Aude Barani
- Aix Marseille Université, Université de Toulon, CNRS, IRD, MIO, Marseille, France
| | - Morgane Didry
- Aix Marseille Université, Université de Toulon, CNRS, IRD, MIO, Marseille, France
| | - Clara Dignan
- Université de Toulon, Aix Marseille Université, CNRS, IRD, MIO, Toulon, France
| | - Léa Guyomarc'h
- Aix Marseille Université, Université de Toulon, CNRS, IRD, MIO, Marseille, France
| | - Nathalie Pradel
- Aix Marseille Université, Université de Toulon, CNRS, IRD, MIO, Marseille, France
| | - Olivier Pringault
- Aix Marseille Université, Université de Toulon, CNRS, IRD, MIO, Marseille, France
| | - France Van Wambeke
- Aix Marseille Université, Université de Toulon, CNRS, IRD, MIO, Marseille, France
| | - Cam Tu Vu
- Water - Environment - Oceanography (WEO) Department, University of Science and Technology of Hanoi (USTH), Vietnam Academy of Science and Technology (VAST), Hanoi, Viet Nam
| | - Xavier Mari
- Aix Marseille Université, Université de Toulon, CNRS, IRD, MIO, Marseille, France; Water - Environment - Oceanography (WEO) Department, University of Science and Technology of Hanoi (USTH), Vietnam Academy of Science and Technology (VAST), Hanoi, Viet Nam
| | - Marc Tedetti
- Aix Marseille Université, Université de Toulon, CNRS, IRD, MIO, Marseille, France; Water - Environment - Oceanography (WEO) Department, University of Science and Technology of Hanoi (USTH), Vietnam Academy of Science and Technology (VAST), Hanoi, Viet Nam
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Liu Y, Chan CK. The oxidative potential of fresh and aged elemental carbon-containing airborne particles: a review. ENVIRONMENTAL SCIENCE. PROCESSES & IMPACTS 2022; 24:525-546. [PMID: 35333266 DOI: 10.1039/d1em00497b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Elemental carbon is often found in ambient particulate matter (PM), and it contributes to the PM's oxidative potential (OP) and thus poses great health concerns. Previous review articles mainly focused on the methodologies in evaluating OP in PM and its relationship with selected chemical constituents, including metal ions, PAHs, and inorganic species. In recent years, growing attention has been paid to the effect of atmospheric aging processes on the OP of EC-containing airborne particles (ECCAPs). This review investigates more than 150 studies concerning the OP measurements and physico-chemical properties of both fresh and aged ECCAPs such as laboratory-generated elemental carbon (LGEC), carbon black (CB), soot (black carbon), and engineered carbon-containing nanomaterials (ECCBNs). Specifically, we summarize the characteristics of water-soluble and insoluble organic species, PAHs, quinone, and oxygen-containing functional groups (OFGs), and EC crystallinity. Both water-soluble organic carbon (WSOC) and water-insoluble organic carbon (WIOC) contribute to the OP. Low molecular weight (MW) PAHs show a higher correlation with OP than high MW PAHs. Furthermore, oxidative aging processes introduce OFGs, where quinone (CO) and epoxide (O-C-O) increase the OP of ECCAPs. In contrast, carboxyl (-COOH) and hydroxyl (-OH) slightly change the OP. The low crystallinity of EC favors the oxygen addition and forms active OFG quinone, thus increasing the OP. More detailed analyses for the EC microstructures and the organic coatings are needed to predict the OP of ECCAPs.
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Affiliation(s)
- Yangyang Liu
- School of Energy and Environment, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China.
| | - Chak K Chan
- School of Energy and Environment, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China.
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Chiou CT, Cheng J, Hung WN, Chen B, Lin TF. Resolution of Adsorption and Partition Components of Organic Compounds on Black Carbons. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2015; 49:9116-9123. [PMID: 26114972 DOI: 10.1021/acs.est.5b01292] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Black carbons (BCs) may sequester non-ionic organic compounds by adsorption and/or partition to varying extents. Up to now, no experimental method has been developed to accurately resolve the combined adsorption and partition capacity of a compound on a BC. In this study, a unique "adsorptive displacement method" is introduced to reliably resolve the adsorption and partition components for a solute-BC system. It estimates the solute adsorption on a BC by the use of an adsorptive displacer to displace the adsorbed target solute into the solution phase. The method is validated by tests with uses of activated carbon as the model carbonaceous adsorbent, soil organic matter as the model carbonaceous partition phase, o-xylene and 1,2,3-trichlorobenzene as the reference solutes, and p-nitrophenol as the adsorptive displacer. Thereafter, the adsorption-partition resolution was completed for the two solutes on selected model BCs: four biochars and two National Institute of Standards and Technology (NIST) standard soots (SRM-2975 and SRM-1650b). The adsorption and partition components resolved for selected solutes with given BCs and their dependences upon solute properties enable one to cross-check the sorption data of other solutes on the same BCs. The resolved components also provide a theoretical basis for exploring the potential modes and extents of different solute uptakes by given BCs in natural systems.
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Affiliation(s)
- Cary T Chiou
- †Department of Environmental Engineering and Sustainable Environment Research Center, National Cheng Kung University, Tainan 70701, Taiwan
- ‡United States Geological Survey, Denver Federal Center, Denver, Colorado 80225, United States
| | - Jianzhong Cheng
- §State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, Guizhou 550081, People's Republic of China
| | - Wei-Nung Hung
- ∥Green Energy and Environment Research Laboratories, Industrial Technology Research Institute, Hsinchu 30011, Taiwan
| | - Baoliang Chen
- ⊥Department of Environmental Science, Zhejiang University, Hangzhou, Zhejiang 310058, People's Republic of China
| | - Tsair-Fuh Lin
- †Department of Environmental Engineering and Sustainable Environment Research Center, National Cheng Kung University, Tainan 70701, Taiwan
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Fang L, Borggaard OK, Marcussen H, Holm PE, Bruun Hansen HC. The pH-dependent adsorption of tributyltin to charcoals and soot. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2010; 158:3642-3649. [PMID: 20828900 DOI: 10.1016/j.envpol.2010.08.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2010] [Revised: 07/23/2010] [Accepted: 08/03/2010] [Indexed: 05/29/2023]
Abstract
Widespread use of tributyltin (TBT) poses a serious environmental problem. Adsorption by black carbon (BC) may strongly affect its behavior. The adsorption of TBT to well characterized soot and two charcoals with specific surface area in the range of 62-111m(2)g(-1) have been investigated with main focus on pH effects. The charcoals but not soot possess acidic functional groups. TBT adsorption reaches maximum at pH 6-7 for charcoals, and at pH>6 for soot. Soot has between 1.5 and 15 times higher adsorption density (0.09-1.77μmolm(-2)) than charcoals, but charcoals show up to 17 times higher sorption affinities than soot. TBT adsorption is successfully described by a new pH-dependent dual Langmuir model considering electrostatic and hydrophobic adsorption, and pH effects on TBT speciation and BC surface charge. It is inferred that strong sorption of the TBTOH species to BC may affect TBT toxicity.
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Affiliation(s)
- Liping Fang
- Department of Basic Sciences and Environment, Faculty of Life Sciences, University of Copenhagen, Thorvaldsensvej 40, DK-1871 Frederiksberg C, Denmark.
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Rhodes AH, McAllister LE, Chen R, Semple KT. Impact of activated charcoal on the mineralisation of 14C-phenanthrene in soils. CHEMOSPHERE 2010; 79:463-469. [PMID: 20171713 DOI: 10.1016/j.chemosphere.2010.01.032] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2009] [Revised: 01/14/2010] [Accepted: 01/15/2010] [Indexed: 05/28/2023]
Abstract
The development of phenanthrene catabolism in four soils amended with varying concentrations of activated charcoal (AC) (0%, 0.1%, 1% and 5%), a type of black carbon, was investigated. Mineralisation of (14)C-phenanthrene was monitored after 1, 25, 50 and 100 d soil-PAH contact time; lag phases, rates and extents of mineralisation of the (14)C-phenanthrene to (14)CO(2) were determined. At concentrations >0.1% AC rates and extents of mineralisation were reduced by more than 99%. This revealed that the presence of >0.1% AC in soils may substantially diminish the rate at which the catabolic activity of indigenous soil microflora develops in contaminated soil. Soil C, which had the highest organic carbon (OC) content, consistently exhibited the highest extents of degradation. It is suggested that, in accordance with other researchers, OC may have blocked available phenanthrene sorption sites. This enhanced phenanthrene availability ultimately facilitated a greater level of catabolic activity within this soil. Such results reflect the complex nature of interactions between soil, biota and contaminants and their influence on the degradation of contaminants in the environment.
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Affiliation(s)
- Angela H Rhodes
- Lancaster Environment Centre, Lancaster University, Lancaster LA1 4YQ, United Kingdom
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Xia X, Li Y, Zhou Z, Feng C. Bioavailability of adsorbed phenanthrene by black carbon and multi-walled carbon nanotubes to Agrobacterium. CHEMOSPHERE 2010; 78:1329-1336. [PMID: 20116085 DOI: 10.1016/j.chemosphere.2010.01.007] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2009] [Revised: 01/06/2010] [Accepted: 01/06/2010] [Indexed: 05/28/2023]
Abstract
Carbonaceous sorbents including black carbon (BC) and carbon nanotubes have attracted research attention around the world because of their effects on bioavailability of hydrophobic organic compounds (HOCs) in sediments and soils. In this research, (14)C-labeled and unlabeled phenanthrene were spiked into three artificial sediments: (i) a sediment sample without amorphous organic carbon (OC) and with BC collected from the Yangtze River (BC-YR), (ii) a sediment without OC and with multi-walled carbon nanotubes (MWCNTs), and (iii) a sediment without OC and with fresh wood char. Biodegradation and mineralization of adsorbed phenanthrene by Agrobacterium and XAD-2 assisted abiotic desorption of adsorbed phenanthrene were studied. The results showed that microbes could utilize a fraction of adsorbed phenanthrene by BC and MWCNTs after aging for 21-40d. With aging for 28d, the biodegradation efficiencies of phenanthrene after incubation for 21d were 83.8%, 73.5% and 54.2% for BC-YR, char and MWCNTs, respectively; with aging for 40d, the mineralization rates of (14)C-labeled phenanthrene after incubation for 25d were 38.3%, 25.1% and 24.6%, respectively. The desorption and biodegradation processes showed similar residual concentration of phenanthrene. However, the biodegradation rates were higher than the desorption rates during the fast biodegradation stage, suggesting that bacteria could promote desorption or access and utilize the sorbed phenanthrene. The biodegradation and mineralization efficiencies of phenanthrene associated with MWCNTs were significantly lower than with BC (p<0.01), implying adsorption by MWCNTs may lead to a greater decrease of HOCs bioavailability in the environment.
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Affiliation(s)
- Xinghui Xia
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing, China.
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Sobek A, Stamm N, Bucheli TD. Sorption of phenyl urea herbicides to black carbon. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2009; 43:8147-52. [PMID: 19924936 DOI: 10.1021/es901737f] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
In this work, we developed a dialysis technique to determine black carbon (BC; diesel soot)-water distribution coefficients (K(BC)) of nine phenyl urea herbicides (PUHs). The K(BC) at 1 microg/L ranged over 2 orders of magnitude, with diuron displaying the highest log K(BC) of 4.5. The K(BC) were 20-170 times higher than corresponding estimated partitioning coefficients to organic carbon (K(OC)). This is consistent with earlier findings for more hydrophobic compounds. There was a linear increase in log K(BC) with decreasing thermodynamic difference between the geometrically optimized and planar molecule conformation (DeltaE(planar)). Hence, previous observations of enhanced BC adsorption of planar compounds (e.g., non-ortho-polychlorinated biphenyls) were confirmed also for the polar PUHs. Further, the data suggested indirectly that for molecules with several different functional groups (such as the PUHs), specific electron donor and acceptor interactions may be of more relevance for the adsorption to BC than the ability of the molecule to undergo dispersive van der Waals interactions. Sorption coefficients estimated from poly parameter linear solvation energy relationships (pp-LSER) based on data for activated carbon were 1-1.5 log units higher than the experimental data for diesel soot. This illustrates the complexity in applying models developed for one BC form to another, and calls for more data on soot-water distribution descriptors.
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Affiliation(s)
- Anna Sobek
- Agroscope Reckenholz-Tanikon Research Station ART, CH-8046 Zurich, Switzerland
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