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Sendra M, Cavia-Saiz M, Múñiz P. Are the BPA analogues an alternative to classical BPA? Comparison between 2D and alternative 3D in vitro neuron model to assess cytotoxic and genotoxic effects. Toxicology 2024; 502:153715. [PMID: 38211720 DOI: 10.1016/j.tox.2023.153715] [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: 11/30/2023] [Revised: 12/25/2023] [Accepted: 12/27/2023] [Indexed: 01/13/2024]
Abstract
BPA is used in a wide range of consumer products with very concern toxicological properties. The European Union has restricted its use to protect human health. Industry has substituted BPA by BPA analogues. However, there is a lack of knowledge about their impacts. In this work, BPA and 5 BPA analogues (BPS, BPAP, BPAF, BPFL and BPC) have been studied in classical SH-SY5Y and the alternative 3D in vitro models after 24 and 96 h of exposure. Cell viability, percentage of ROS, cell cycle phases as well as the morphology of the spheroids were measured. The 2D model was more sensitive than the 3D models with differences in cell viability higher than 60% after 24 h of exposure, and different mechanisms of ROS production. After chronic exposure, both models were more affected in comparison to the 24 h exposure. After a recovery time (96 h), the spheroids exposed to 2.5-40 µM were able to recover cell viability and the morphology. Among the BPs tested, BPFL>BPAF>BPAP and >BPC revealed higher toxicological effects, while BPS was the only one with lower effects than BPA. To conclude, the SH-SY5Y 3D model is a suitable candidate to perform more reliable in vitro neurotoxicity tests.
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Affiliation(s)
- Marta Sendra
- Department of Biotechnology and Food Science, Faculty of Sciences, University of Burgos, Plaza Misael Bañuelos, 09001 Burgos, Spain; International Research Center in Critical Raw Materials for Advanced Industrial Technologies (ICCRAM), R&D Center, Universidad de Burgos, Plaza de Misael Bañuelos s/n, 09001 Burgos, Spain.
| | - Mónica Cavia-Saiz
- Department of Biotechnology and Food Science, Faculty of Sciences, University of Burgos, Plaza Misael Bañuelos, 09001 Burgos, Spain
| | - Pilar Múñiz
- Department of Biotechnology and Food Science, Faculty of Sciences, University of Burgos, Plaza Misael Bañuelos, 09001 Burgos, Spain
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2
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Gronert A, Zierau O, Thieme D, Keiler AM. Effect of HepG2 cell 3D cultivation on the metabolism of the anabolic androgenic steroid metandienone. Drug Test Anal 2023; 15:1319-1328. [PMID: 36772854 DOI: 10.1002/dta.3455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/23/2023] [Accepted: 02/06/2023] [Indexed: 02/12/2023]
Abstract
The elucidation of the metabolic fate of prohibited substances is crucial for the abuse detection. The human hepatocyte cell line HepG2 can be used to study biotransformation. In order to improve this in vitro model system, we compared the HepG2 spheroid generation using three different techniques: a forced floating, a scaffold-free and a scaffold-based method. We characterized the spheroids with regard to the expression levels of the proliferation marker Mki67, the liver-specific marker albumin and biotransformation enzymes. Moreover, the metandienone metabolite pattern was comparatively analysed by high-performance liquid chromatography mass spectrometry. With all three techniques, HepG2 spheroids were generated showing a degree of differentiation. The forced floating method resulted in very large spheroids (1 mm in diameter) showing signs of necrosis in the centre and a very low metandienone conversion rate. The spheroids formed by the two other techniques were comparable in size with 0.5 mm in diameter on average. Among the three different 3D cultivation methods, the HepG2 spheroids formed on Matrigel® as extracellular matrix were the most promising regarding biotransformation studies on anabolic androgenic steroids. Prospectively, HepG2 spheroids are a promising in vitro model system to study multidrug setups, drug-drug interactions and the biotransformation of other substance classes.
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Affiliation(s)
- Anika Gronert
- Institute of Doping Analysis and Sports Biochemistry Dresden, Kreischa, Germany
| | - Oliver Zierau
- Environmental Monitoring and Endocrinology, Faculty of Biology, Technische Universität Dresden, Dresden, Germany
| | - Detlef Thieme
- Institute of Doping Analysis and Sports Biochemistry Dresden, Kreischa, Germany
| | - Annekathrin Martina Keiler
- Institute of Doping Analysis and Sports Biochemistry Dresden, Kreischa, Germany
- Environmental Monitoring and Endocrinology, Faculty of Biology, Technische Universität Dresden, Dresden, Germany
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3
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Liao HX, Bando K, Li M, Fujita K. Multifocal Raman Spectrophotometer for Examining Drug-Induced and Chemical-Induced Cellular Changes in 3D Cell Spheroids. Anal Chem 2023; 95:14616-14623. [PMID: 37725051 DOI: 10.1021/acs.analchem.3c02129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/21/2023]
Abstract
Cell spheroids offer alternative in vitro cell models to monolayer cultured cells because they express complexities similar to those of in vivo tissues, such as cellular responses to drugs and chemicals. Raman spectroscopy emerged as a powerful analytical tool for detecting chemical changes in living cells because it nondestructively provides vibrational information regarding a target. Although multiple iterations are required in drug screening to determine drugs to treat cell spheroids and assess the inter-spheroid heterogeneity, current Raman applications used in spheroids analysis allow the observation of only a few spheroids owing to the low throughput of Raman spectroscopy. In this study, we developed a multifocal Raman spectrophotometer that enables simultaneous analysis of multiple spheroids in separate wells of a regular 96-well plate. By utilizing 96 focal spots excitation and parallel signal collection, our system can improve the throughput by approximately 2 orders of magnitude compared to a conventional single-focus Raman microscope. The Raman spectra of HeLa cell spheroids treated with anticancer drugs and HepG2 cell spheroids treated with free fatty acids were measured simultaneously, and concentration-dependent cellular responses were observed in both studies. Using the multifocal Raman spectrophotometer, we rapidly observed chemical changes in spheroids, and thus, this system can facilitate the application of Raman spectroscopy in analyzing the cellular responses of spheroids.
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Affiliation(s)
- Hao-Xiang Liao
- Department of Applied Physics, Osaka University, Suita, Osaka 565-0871, Japan
| | - Kazuki Bando
- Department of Applied Physics, Osaka University, Suita, Osaka 565-0871, Japan
- AIST Advanced Photonics and Biosensing Open Innovation Laboratory, Suita, Osaka 565-0871, Japan
| | - Menglu Li
- Department of Applied Physics, Osaka University, Suita, Osaka 565-0871, Japan
- AIST Advanced Photonics and Biosensing Open Innovation Laboratory, Suita, Osaka 565-0871, Japan
| | - Katsumasa Fujita
- Department of Applied Physics, Osaka University, Suita, Osaka 565-0871, Japan
- AIST Advanced Photonics and Biosensing Open Innovation Laboratory, Suita, Osaka 565-0871, Japan
- Institute for Open and Transdisciplinary Research Initiatives, Suita, Osaka 565-0871, Japan
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Audebert M, Assmann AS, Azqueta A, Babica P, Benfenati E, Bortoli S, Bouwman P, Braeuning A, Burgdorf T, Coumoul X, Debizet K, Dusinska M, Ertych N, Fahrer J, Fetz V, Le Hégarat L, López de Cerain A, Heusinkveld HJ, Hogeveen K, Jacobs MN, Luijten M, Raitano G, Recoules C, Rundén-Pran E, Saleh M, Sovadinová I, Stampar M, Thibol L, Tomkiewicz C, Vettorazzi A, Van de Water B, El Yamani N, Zegura B, Oelgeschläger M. New approach methodologies to facilitate and improve the hazard assessment of non-genotoxic carcinogens-a PARC project. FRONTIERS IN TOXICOLOGY 2023; 5:1220998. [PMID: 37492623 PMCID: PMC10364052 DOI: 10.3389/ftox.2023.1220998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 06/19/2023] [Indexed: 07/27/2023] Open
Abstract
Carcinogenic chemicals, or their metabolites, can be classified as genotoxic or non-genotoxic carcinogens (NGTxCs). Genotoxic compounds induce DNA damage, which can be detected by an established in vitro and in vivo battery of genotoxicity assays. For NGTxCs, DNA is not the primary target, and the possible modes of action (MoA) of NGTxCs are much more diverse than those of genotoxic compounds, and there is no specific in vitro assay for detecting NGTxCs. Therefore, the evaluation of the carcinogenic potential is still dependent on long-term studies in rodents. This 2-year bioassay, mainly applied for testing agrochemicals and pharmaceuticals, is time-consuming, costly and requires very high numbers of animals. More importantly, its relevance for human risk assessment is questionable due to the limited predictivity for human cancer risk, especially with regard to NGTxCs. Thus, there is an urgent need for a transition to new approach methodologies (NAMs), integrating human-relevant in vitro assays and in silico tools that better exploit the current knowledge of the multiple processes involved in carcinogenesis into a modern safety assessment toolbox. Here, we describe an integrative project that aims to use a variety of novel approaches to detect the carcinogenic potential of NGTxCs based on different mechanisms and pathways involved in carcinogenesis. The aim of this project is to contribute suitable assays for the safety assessment toolbox for an efficient and improved, internationally recognized hazard assessment of NGTxCs, and ultimately to contribute to reliable mechanism-based next-generation risk assessment for chemical carcinogens.
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Affiliation(s)
- Marc Audebert
- INRAE: Toxalim, INRAE, INP-ENVT, INP-EI-Purpan, Université de Toulouse 3 Paul Sabatier, Toulouse, France
| | - Ann-Sophie Assmann
- Department Experimental Toxicology and ZEBET, German Centre for the Protection of Laboratory Animals (Bf3R) and Department Food Safety, BfR: German Federal Institute for Risk Assessment, Berlin, Germany
| | - Amaya Azqueta
- Department of Pharmacology and Toxicology, School of Pharmacy and Nutrition, UNAV: University of Navarra, Pamplona, Spain
| | - Pavel Babica
- RECETOX: RECETOX, Faculty of Science, Masaryk University, Brno, Czechia
| | - Emilio Benfenati
- IRFMN: Istituto di Ricerche Farmacologiche Mario Negri—IRCCS, Milan, Italy
| | - Sylvie Bortoli
- INSERM: INSERM UMR-S 1124 T3S—Université Paris Cité, Paris, France
| | - Peter Bouwman
- UL-LACDR: Leiden Academic Centre for Drug Research, Leiden University, Leiden, Netherlands
| | - Albert Braeuning
- Department Experimental Toxicology and ZEBET, German Centre for the Protection of Laboratory Animals (Bf3R) and Department Food Safety, BfR: German Federal Institute for Risk Assessment, Berlin, Germany
| | - Tanja Burgdorf
- Department Experimental Toxicology and ZEBET, German Centre for the Protection of Laboratory Animals (Bf3R) and Department Food Safety, BfR: German Federal Institute for Risk Assessment, Berlin, Germany
| | - Xavier Coumoul
- INSERM: INSERM UMR-S 1124 T3S—Université Paris Cité, Paris, France
| | - Kloé Debizet
- INSERM: INSERM UMR-S 1124 T3S—Université Paris Cité, Paris, France
| | - Maria Dusinska
- Health Effects Laboratory, NILU: The Climate and Environmental Research Institute, Kjeller, Norway
| | - Norman Ertych
- Department Experimental Toxicology and ZEBET, German Centre for the Protection of Laboratory Animals (Bf3R) and Department Food Safety, BfR: German Federal Institute for Risk Assessment, Berlin, Germany
| | - Jörg Fahrer
- Department of Chemistry, RPTU: Division of Food Chemistry and Toxicology, Kaiserslautern, Germany
| | - Verena Fetz
- Department Experimental Toxicology and ZEBET, German Centre for the Protection of Laboratory Animals (Bf3R) and Department Food Safety, BfR: German Federal Institute for Risk Assessment, Berlin, Germany
| | - Ludovic Le Hégarat
- ANSES: French Agency for Food, Environmental and Occupational Health and Safety, Fougères Laboratory, Toxicology of Contaminants Unit, Fougères, France
| | - Adela López de Cerain
- Department of Pharmacology and Toxicology, School of Pharmacy and Nutrition, UNAV: University of Navarra, Pamplona, Spain
| | - Harm J. Heusinkveld
- RIVM: National Institute for Public Health and the Environment, Bilthoven, Netherlands
| | - Kevin Hogeveen
- ANSES: French Agency for Food, Environmental and Occupational Health and Safety, Fougères Laboratory, Toxicology of Contaminants Unit, Fougères, France
| | - Miriam N. Jacobs
- Radiation, Chemical and Environmental Hazards, UKHSA: UK Health Security Agency, Chilton, Oxfordshire, United Kingdom
| | - Mirjam Luijten
- RIVM: National Institute for Public Health and the Environment, Bilthoven, Netherlands
| | - Giuseppa Raitano
- IRFMN: Istituto di Ricerche Farmacologiche Mario Negri—IRCCS, Milan, Italy
| | - Cynthia Recoules
- INRAE: Toxalim, INRAE, INP-ENVT, INP-EI-Purpan, Université de Toulouse 3 Paul Sabatier, Toulouse, France
| | - Elise Rundén-Pran
- Health Effects Laboratory, NILU: The Climate and Environmental Research Institute, Kjeller, Norway
| | - Mariam Saleh
- ANSES: French Agency for Food, Environmental and Occupational Health and Safety, Fougères Laboratory, Toxicology of Contaminants Unit, Fougères, France
| | - Iva Sovadinová
- RECETOX: RECETOX, Faculty of Science, Masaryk University, Brno, Czechia
| | - Martina Stampar
- Department of Genetic Toxicology and Cancer Biology, NIB: National Institute of Biology, Ljubljana, Slovenia
| | - Lea Thibol
- Department of Chemistry, RPTU: Division of Food Chemistry and Toxicology, Kaiserslautern, Germany
| | | | - Ariane Vettorazzi
- Department of Pharmacology and Toxicology, School of Pharmacy and Nutrition, UNAV: University of Navarra, Pamplona, Spain
| | - Bob Van de Water
- UL-LACDR: Leiden Academic Centre for Drug Research, Leiden University, Leiden, Netherlands
| | - Naouale El Yamani
- Health Effects Laboratory, NILU: The Climate and Environmental Research Institute, Kjeller, Norway
| | - Bojana Zegura
- Department of Genetic Toxicology and Cancer Biology, NIB: National Institute of Biology, Ljubljana, Slovenia
| | - Michael Oelgeschläger
- Department Experimental Toxicology and ZEBET, German Centre for the Protection of Laboratory Animals (Bf3R) and Department Food Safety, BfR: German Federal Institute for Risk Assessment, Berlin, Germany
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Impact of Deoxynivalenol and Zearalenone as Single and Combined Treatment on DNA, Cell Cycle and Cell Proliferation in HepG2 Cells. Int J Mol Sci 2023; 24:ijms24044082. [PMID: 36835492 PMCID: PMC9958612 DOI: 10.3390/ijms24044082] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 02/13/2023] [Accepted: 02/15/2023] [Indexed: 02/22/2023] Open
Abstract
The study aimed to investigate toxicity and the mechanism of toxicity of two Fusarium mycotoxins, deoxynivalenol (DON) and zearalenone (ZEA). DON and ZEA were applied to HepG2 cells as single compounds and in combination at low environmentally relevant concentrations. HepG2 cells were exposed to DON (0.5, 1, and 2 µM), ZEA (5, 10, and 20 µM) or their combinations (1 µM DON + 5 µM ZEA, 1 µM DON + 10 µM ZEA and 1 µM DON + 20 µM ZEA) for 24 h and cell viability, DNA damage, cell cycle and proliferation were assessed. Both mycotoxins reduced cell viability, however, combined treatment with DON and ZEA resulted in higher reduction of cell viability. DON (1 µM) induced primary DNA damage, while DON (1 µM) in combination with higher ZEA concentrations showed antagonistic effects compared to DON alone at 1 µM. DON arrested HepG2 cells in G2 phase and significantly inhibited cell proliferation, while ZEA had no significant effect on cell cycle. The combined treatment with DON and ZEA arrested cells in G2 phase to a higher extend compared to treatment with single mycotoxins. Potentiating effect observed after DON and ZEA co-exposure at environmentally relevant concentrations indicates that in risk assessment and setting governments' regulations, mixtures of mycotoxins should be considered.
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Sendra M, Štampar M, Fras K, Novoa B, Figueras A, Žegura B. Adverse (geno)toxic effects of bisphenol A and its analogues in hepatic 3D cell model. ENVIRONMENT INTERNATIONAL 2023; 171:107721. [PMID: 36580735 PMCID: PMC9875311 DOI: 10.1016/j.envint.2022.107721] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 12/05/2022] [Accepted: 12/23/2022] [Indexed: 05/10/2023]
Abstract
Bisphenol A (BPA) is one of the most widely used and versatile chemical compounds in polymer additives and epoxy resins for manufacturing a range of products for human applications. It is known as endocrine disruptor, however, there is growing evidence that it is genotoxic. Because of its adverse effects, the European Union has restricted its use to protect human health and the environment. As a result, the industry has begun developing BPA analogues, but there are not yet sufficient toxicity data to claim that they are safe. We investigated the adverse toxic effects of BPA and its analogues (BPS, BPAP, BPAF, BPFL, and BPC) with emphasis on their cytotoxic and genotoxic activities after short (24-h) and prolonged (96-h) exposure in in vitro hepatic three-dimensional cell model developed from HepG2 cells. The results showed that BPFL and BPC (formed by an additional ring system) were the most cytotoxic analogues that affected cell viability, spheroid surface area and morphology, cell proliferation, and apoptotic cell death. BPA, BPAP, and BPAF induced DNA double-strand break formation (γH2AX assay), whereas BPAF and BPC increased the percentage of p-H3-positive cells, indicating their aneugenic activity. All BPs induced DNA single-strand break formation (comet assay), with BPAP (≥0.1 μM) being the most effective and BPA and BPC the least effective (≥1 μM) under conditions applied. The results indicate that not all of the analogues studied are safer alternatives to BPA and thus more in-depth research is urgently needed to adequately evaluate the risks of BPA analogues and assess their safety for humans.
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Affiliation(s)
- Marta Sendra
- Department of Biotechnology and Food Science, Faculty of Sciences, University of Burgos, Plaza Misael Bañuelos, 09001 Burgos, Spain; International Research Center in Critical Raw Materials-ICCRAM, Universidad de Burgos, Plaza Misael Bañuelos s/n, 09001 Burgos, Spain.
| | - Martina Štampar
- National Institute of Biology, Department of Genetic Toxicology and Cancer Biology, 1000 Ljubljana, Slovenia.
| | - Katarina Fras
- National Institute of Biology, Department of Genetic Toxicology and Cancer Biology, 1000 Ljubljana, Slovenia.
| | - Beatriz Novoa
- Immunology and Genomics Group, Instituto de Investigaciones Marinas (IIM), Consejo Superior de Investigaciones Científicas (CSIC), Vigo, Spain.
| | - Antonio Figueras
- Immunology and Genomics Group, Instituto de Investigaciones Marinas (IIM), Consejo Superior de Investigaciones Científicas (CSIC), Vigo, Spain.
| | - Bojana Žegura
- National Institute of Biology, Department of Genetic Toxicology and Cancer Biology, 1000 Ljubljana, Slovenia; Jozef Stefan International Postgraduate School, 1000 Ljubljana, Slovenia.
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Li S, Wang L, Guan S, Zhou S, Chen Y. In vitro and in vivo low-dose exposure of simulated cooking oil fumes to assess adverse biological effects. Sci Rep 2022; 12:15691. [PMID: 36127488 PMCID: PMC9489699 DOI: 10.1038/s41598-022-19558-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Accepted: 08/31/2022] [Indexed: 11/09/2022] Open
Abstract
Cooking oil fumes (COFs) represent a major indoor environmental pollutant and exhibit potent mutagenic or carcinogenic health effects caused by containing various heterocyclic aromatic amines (HAAs) and long-chain aldehydes. Despite some evaluation of the cumulative exposure of COFs to cancer cells under high concentration were evaluated, their biological adverse effects with low-dose exposure to healthy cells had been inadequately investigated. Herein, we firstly scrutinized the three selected typically toxic compounds of heterocyclic amine 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP), 3,8-dimethylammidazo[4,5-f]quinoxalin-2-amine (MeIQx) and trans, trans-2,4-decadienal (TDA)) emitted from COFs. In vitro studies revealed that the PhIP, MeIQx and TDA aerosol particles were negligible toxicity to cancer cells (A549 and HepG-2) but strong cytotoxicity to normal healthy cells (HelF and L02) under 0.5–4 μg/mL low dose exposure based on the reactive oxygen species (ROS) mechanism. In vivo studies demonstrated that PhIP caused significant lung and liver damage after exposure to PhIP for 30 days with mice. These results indicated the direct proof of healthy cell damage even at low-dose exposure to HAAs and aldehydes.
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Affiliation(s)
- Shuangde Li
- State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
| | - Li Wang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical, Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Shanyue Guan
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical, Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.
| | - Shuyun Zhou
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical, Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Yunfa Chen
- State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China. .,University of Chinese Academy of Sciences, Beijing, 100049, China.
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