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Huy BT, Nguyen XC, Bui VKH, Tri NN, Rabani I, Tran NHT, Ly QV, Truong HB. Photocatalytic degradation of antibiotic sulfamethizole by visible light activated perovskite LaZnO 3. J Environ Sci (China) 2024; 144:212-224. [PMID: 38802232 DOI: 10.1016/j.jes.2023.08.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 08/08/2023] [Accepted: 08/08/2023] [Indexed: 05/29/2024]
Abstract
In this work, the perovskite LaZnO3 was synthesized via sol-gel method and applied for photocatalytic treatment of sulfamethizole (SMZ) antibiotics under visible light activation. SMZ was almost completely degraded (99.2% ± 0.3%) within 4 hr by photocatalyst LaZnO3 at the optimal dosage of 1.1 g/L, with a mineralization proportion of 58.7% ± 0.4%. The efficient performance of LaZnO3 can be attributed to its wide-range light absorption and the appropriate energy band edge levels, which facilitate the formation of active agents such as ·O2-, h+, and ·OH. The integration of RP-HPLC/Q-TOF-MS and DFT-based computational techniques revealed three degradation pathways of SMZ, which were initiated by the deamination reaction at the aniline ring, the breakdown of the sulfonamide moieties, and a process known as Smile-type rearrangement and SO2 intrusion. Corresponding toxicity of SMZ and the intermediates were analyzed by quantitative structure activity relationship (QSAR), indicating the effectiveness of LaZnO3-based photocatalysis in preventing secondary pollution of the intermediates to the ecosystem during the degradation process. The visible-light-activated photocatalyst LaZnO3 exhibited efficient performance in the occurrence of inorganic anions and maintained high durability across multiple recycling tests, making it a promising candidate for practical antibiotic treatment.
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Affiliation(s)
- Bui The Huy
- Major of Biomedical Engineering, Division of Smart Healthcare, College of Information Technology and Convergence, Pukyong National University, Busan 48513, Korea
| | - X Cuong Nguyen
- Center for Advanced Chemistry, Institute of Research and Development, Duy Tan University, Da Nang 550000, Viet Nam; Faculty of Environmental and Chemical Engineering, Duy Tan University, Da Nang 550000, Viet Nam
| | - Vu Khac Hoang Bui
- Department of Environment and Energy, Sejong University, Seoul 05006, Korea
| | - Nguyen Ngoc Tri
- Lab of Computational Chemistry and Modelling, Department of Chemistry, Faculty of Natural Sciences, Quy Nhon University, Quy Nhon, Viet Nam
| | - Iqra Rabani
- Department of Nanotechnology and Advanced Materials Engineering, Sejong University, Seoul 05006, Korea
| | - Nhu Hoa Thi Tran
- Faculty of Materials Science and Technology, University of Science, Ho Chi Minh City 700000, Viet Nam; Vietnam National University, Ho Chi Minh City 700000, Viet Nam
| | - Quang Viet Ly
- Department of Environmental Engineering, Seoul National University of Science and Technology, Seoul 01811, Korea
| | - Hai Bang Truong
- Optical Materials Research Group, Science and Technology Advanced Institute, Van Lang University, Ho Chi Minh City, Viet Nam; Faculty of Applied Technology, School of Technology, Van Lang University, Ho Chi Minh City, Viet Nam.
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Vaz T, Quina MMJ, Martins RC, Gomes J. Olive mill wastewater treatment strategies to obtain quality water for irrigation: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 931:172676. [PMID: 38670378 DOI: 10.1016/j.scitotenv.2024.172676] [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: 01/16/2024] [Revised: 04/19/2024] [Accepted: 04/20/2024] [Indexed: 04/28/2024]
Abstract
The olive mill industry is a relevant sector in the economy of Mediterranean countries, while it involves high consumption of water and the production of effluents with high environmental impact. The efficient treatment of olive mill wastewater (OMW) is of high relevance, particularly for these countries. Climate changes are leading to increasing periods of droughts, and water recovery from polluted streams is essential to ensure the sustainability of this scarce resource. A combination of various technologies involving physical, chemical, and biological processes has been developed for OMW treatment. However, the treatments studied have limitations such as the operation costs, difficulty of industrial scale-up, and the fact that the vast majority do not lead to suitable treated water for discharge/reuse. As such, it is urgent to develop a solution capable of efficiently treating this effluent, overcoming the disadvantages of existing processes to convert OMW from a serious environmental problem into a valuable source of water and nutrients. In this review, several studies based on the OMW treatment are critically discussed, from conventional approaches such as the physical (e.g. centrifugation, filtration, and adsorption) and biological (anaerobic digestion and anaerobic co-digestion) processes, to the most recent technologies such as advanced membrane filtration, advanced oxidation processes (AOPs) and sulfate radical based AOPs (SR-AOPs). Due to the complexity of the effluent, OMW cannot be efficiently treated by a single process, requiring a sequence of technologies before reaching the required characteristics for discharge into water courses or use in crop irrigation. Reviewing the published results in this matter, it seems that the sequence of processes encompassing ozonation, anaerobic digestion, and SR-AOPs could be the ideal combination for this purpose. However, membrane technologies may be necessary in the final stage of treatment so that the effluent meets legal discharge or irrigation limits.
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Affiliation(s)
- Telma Vaz
- University of Coimbra, CERES, Department of Chemical Engineering, Faculty of Sciences and Technology, Rua Sílvio Lima, Polo II, 3030-790 Coimbra, Portugal
| | - Margarida M J Quina
- University of Coimbra, CERES, Department of Chemical Engineering, Faculty of Sciences and Technology, Rua Sílvio Lima, Polo II, 3030-790 Coimbra, Portugal
| | - Rui C Martins
- University of Coimbra, CERES, Department of Chemical Engineering, Faculty of Sciences and Technology, Rua Sílvio Lima, Polo II, 3030-790 Coimbra, Portugal
| | - João Gomes
- University of Coimbra, CERES, Department of Chemical Engineering, Faculty of Sciences and Technology, Rua Sílvio Lima, Polo II, 3030-790 Coimbra, Portugal..
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3
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Shivaram K, Edwards K, Mohammad TF. An update on the safety of hydroquinone. Arch Dermatol Res 2024; 316:378. [PMID: 38850450 DOI: 10.1007/s00403-024-02990-6] [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: 03/16/2024] [Revised: 04/26/2024] [Accepted: 04/26/2024] [Indexed: 06/10/2024]
Abstract
Hydroquinone has been used for years for multiple conditions, including melasma, post-inflammatory hyperpigmentation, dyschromia from photoaging, and solar lentigines. It is known to be a very effective lightening agent, but several concerns have been raised about this widely used agent. The recent U.S. ban on over-the-counter skin lightening products containing hydroquinone has prompted further questioning of the safety of this widely used agent. While there have been prior informative, large-scale reviews on the safety of hydroquinone, new findings have since been reported. Here, we provide an updated review of studies published in the past 15 years on hydroquinone safety.
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Affiliation(s)
- Kavya Shivaram
- Michigan State University College of Human Medicine, Grand Rapids, MI, USA
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Wu H, Tang H, Zou X, Huang Q, Wang S, Sun M, Ye Z, Wang H, Wu Y, Sun L, Chen Y, Tang H. Role of the PARP1/NF-κB Pathway in DNA Damage and Apoptosis of TK6 Cells Induced by Hydroquinone. Chem Res Toxicol 2024. [PMID: 38837948 DOI: 10.1021/acs.chemrestox.4c00135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2024]
Abstract
Hydroquinone(HQ) is a widely used industrial raw material and is a topical lightening product found in over-the-counter products. However, inappropriate exposure to HQ can pose certain health hazards. This study aims to explore the mechanisms of DNA damage and cell apoptosis caused by HQ, with a focus on whether HQ activates the nuclear factor-κB (NF-κB) pathway to participate in this process and to investigate the correlation between the NF-κB pathway activation and poly(ADP-ribose) polymerase 1(PARP1). Through various experimental techniques, such as DNA damage detection, cell apoptosis assessment, cell survival rate analysis, immunofluorescence, and nuclear-cytoplasmic separation, the cytotoxic effects of HQ were verified, and the activation of the NF-κB pathway was observed. Simultaneously, the relationship between the NF-κB pathway and PARP1 was verified by shRNA interference experiments. The results showed that HQ could significantly activate the NF-κB pathway, leading to a decreased cell survival rate, increased DNA damage, and cell apoptosis. Inhibiting the NF-κB pathway could significantly reduce HQ-induced DNA damage and cell apoptosis and restore cell proliferation and survival rate. shRNA interference experiments further indicated that the activation of the NF-κB pathway was regulated by PARP1. This study confirmed the important role of the NF-κB pathway in HQ-induced DNA damage and cell apoptosis and revealed that the activation of the NF-κB pathway was mediated by PARP1. This research provides important clues for a deeper understanding of the toxic mechanism of HQ.
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Affiliation(s)
- Haipeng Wu
- Guangdong Medical University, Dongguan 523808, China
| | - Huan Tang
- Guangdong Medical University, Dongguan 523808, China
| | - Xiangli Zou
- Guangdong Medical University, Dongguan 523808, China
| | - Qihao Huang
- Guangdong Medical University, Dongguan 523808, China
| | - Shimei Wang
- Guangdong Medical University, Dongguan 523808, China
| | - Mingzhu Sun
- Guangdong Medical University, Dongguan 523808, China
| | - Zhongming Ye
- Guangdong Medical University, Dongguan 523808, China
| | - Huanhuan Wang
- Guangdong Medical University, Dongguan 523808, China
| | - Yao Wu
- Guangdong Medical University, Dongguan 523808, China
| | - Lei Sun
- Guangdong Medical University, Dongguan 523808, China
| | - Yuting Chen
- Dongguan Key Laboratory of Environmental Medicine, The First Dongguan Affiliated Hospital, School of Public Health, Guangdong Medical University, Dongguan 523808, China
| | - Huanwen Tang
- Dongguan Key Laboratory of Environmental Medicine, The First Dongguan Affiliated Hospital, School of Public Health, Guangdong Medical University, Dongguan 523808, China
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5
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Zhang L, Li M, Zhang D, Yue W, Qian Z. Prioritizing of potential environmental exposure carcinogens beyond IARC group 1-2B based on weight of evidence (WoE) approach. Regul Toxicol Pharmacol 2024; 150:105646. [PMID: 38777300 DOI: 10.1016/j.yrtph.2024.105646] [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: 02/09/2024] [Revised: 05/12/2024] [Accepted: 05/17/2024] [Indexed: 05/25/2024]
Abstract
Environmental exposures are the main cause of cancer, and their carcinogenicity has not been fully evaluated, identifying potential carcinogens that have not been evaluated is critical for safety. This study is the first to propose a weight of evidence (WoE) approach based on computational methods to prioritize potential carcinogens. Computational methods such as read across, structural alert, (Quantitative) structure-activity relationship and chemical-disease association were evaluated and integrated. Four different WoE approach was evaluated, compared to the best single method, the WoE-1 approach gained 0.21 and 0.39 improvement in the area under the receiver operating characteristic curve (AUC) and Matthew's correlation coefficient (MCC) value, respectively. The evaluation of 681 environmental exposures beyond IARC list 1-2B prioritized 52 chemicals of high carcinogenic concern, of which 21 compounds were known carcinogens or suspected carcinogens, and eight compounds were identified as potential carcinogens for the first time. This study illustrated that the WoE approach can effectively complement different computational methods, and can be used to prioritize chemicals of carcinogenic concern.
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Affiliation(s)
- Lu Zhang
- Department of Toxicology, Tianjin Centers for Disease Control and Prevention, Tianjin, 300011, China; Tianjin Key Laboratory of Pathogenic Microbiology of Infectious Disease, Tianjin Centers for Disease Control and Prevention, Tianjin, 300011, China
| | - Min Li
- Department of Toxicology, Tianjin Centers for Disease Control and Prevention, Tianjin, 300011, China; Tianjin Key Laboratory of Pathogenic Microbiology of Infectious Disease, Tianjin Centers for Disease Control and Prevention, Tianjin, 300011, China
| | - Dalong Zhang
- Department of Toxicology, Tianjin Centers for Disease Control and Prevention, Tianjin, 300011, China
| | - Wenbo Yue
- Department of Toxicology, Tianjin Centers for Disease Control and Prevention, Tianjin, 300011, China
| | - Zhiyong Qian
- Department of Toxicology, Tianjin Centers for Disease Control and Prevention, Tianjin, 300011, China.
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Liu F, Xu T, He J, Jiang Y, Qu L, Wang L, Ma J, Yang Q, Wu W, Sun D, Chen Y. Exploring the potential of white birch sap: A natural alternative to traditional skin whitening agents with reduced side effects. Heliyon 2024; 10:e26715. [PMID: 38455547 PMCID: PMC10918162 DOI: 10.1016/j.heliyon.2024.e26715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 02/06/2024] [Accepted: 02/19/2024] [Indexed: 03/09/2024] Open
Abstract
Common tyrosinase (TYR) inhibitors used in cosmetics, such as hydroquinone, kojic acid, and arbutin, can cause side effects including erythema, skin peeling, and dryness. Therefore, the development of natural whitening agents that offer excellent permeability, minimal irritation, and high safety has become a primary focus in the field of TYR inhibitors. In this study, we demonstrate that White birch sap (WBS), within a safe concentration range, effectively reduces TYR activity and melanin content in both B16F10 mouse melanoma cells and zebrafish larvae. Importantly, WBS exhibits minimal irritation to neutrophils in fluorescent zebrafish and does not affect the behavior of adult zebrafish. Furthermore, WBS downregulates the gene expression levels of microphthalmia-associated transcription factor, TYR, tyrosinase-related protein-1, and tyrosinase-related protein-2 in B16F10 cells. In conclusion, our research confirms that WBS, a naturally derived substance, offers high safety and mild effects, making it a promising candidate for a skin-whitening agent.
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Affiliation(s)
- Fan Liu
- Institute of Life Sciences & Biomedical Collaborative Innovation Center of Zhejiang Province, Wenzhou University, Wenzhou, 325035, China
| | - Ting Xu
- Institute of Life Sciences & Biomedical Collaborative Innovation Center of Zhejiang Province, Wenzhou University, Wenzhou, 325035, China
| | - Jiaxuan He
- Institute of Life Sciences & Biomedical Collaborative Innovation Center of Zhejiang Province, Wenzhou University, Wenzhou, 325035, China
| | - Yiting Jiang
- Institute of Life Sciences & Biomedical Collaborative Innovation Center of Zhejiang Province, Wenzhou University, Wenzhou, 325035, China
| | - Linkai Qu
- College of Veterinary Medicine, Jilin University, Changchun, 130062, China
| | - Lei Wang
- Institute of Life Sciences & Biomedical Collaborative Innovation Center of Zhejiang Province, Wenzhou University, Wenzhou, 325035, China
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325035, China
| | - Jiahui Ma
- Institute of Life Sciences & Biomedical Collaborative Innovation Center of Zhejiang Province, Wenzhou University, Wenzhou, 325035, China
| | - Qinsi Yang
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325035, China
| | - Wei Wu
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China
| | - Da Sun
- Institute of Life Sciences & Biomedical Collaborative Innovation Center of Zhejiang Province, Wenzhou University, Wenzhou, 325035, China
| | - Yan Chen
- The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, 32400, China
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7
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Du R, Ye L, Chen X, Meng Y, Zhou L, Chen Q, Zheng G, Hu J, Shi Z. Screening of Key Components for Melanogenesis Inhibition of Polygonum cuspidatum Extract Based on the Spectrum-Effect Relationship and Molecular Docking. Molecules 2024; 29:857. [PMID: 38398609 PMCID: PMC10891599 DOI: 10.3390/molecules29040857] [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: 12/05/2023] [Revised: 01/04/2024] [Accepted: 01/15/2024] [Indexed: 02/25/2024] Open
Abstract
Polygonum cuspidatum (PC) extract has been listed in the "Catalog of Used Cosmetic Ingredients (2021 Edition)", which can inhibit melanogenesis, thus exerting a whitening effect, and has been widely used in cosmetics. However, there are currently no quality standards for PC extract used in cosmetics, and the bioactive components associated with anti-melanogenesis remain unclear. In view of this, the present study was the first to investigate the spectrum-effect relationship between fingerprints of PC extract and melanogenesis inhibition. Ten batches of PC extract fingerprints were established by HPLC. Pearson's correlation analysis, gray correlation analysis (GRA) and orthogonal partial least squares regression analysis (OPLSR) were used to screen out resveratrol, emodin and physcion as the main whitening active ingredients using the inhibition of tyrosinase in B16F10 cells as the pharmacological index. Then, the melanogenesis inhibitory effects of the above three components were verified by tyrosinase inhibition and a melanin content assay in B16F10 cells. The interaction between small molecules and proteins was investigated by the molecular docking method, and it was confirmed by quantitative real-time PCR (qRT-PCR) that resveratrol, emodin and physcion significantly down-regulated the transcript levels of melanogenesis-related factors. In conclusion, this study established a general model combining HPLC fingerprinting and melanogenesis inhibition and also analyzed the spectrum-effect relationship of PC extract, which provided theoretical support for the quality control of PC extract in whitening cosmetics.
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Affiliation(s)
- Ruojun Du
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China; (R.D.); (X.C.); (Y.M.); (L.Z.); (Q.C.)
| | - Lichun Ye
- Clinical College of Chinese Medicine, Hubei University of Traditional Chinese Medicine, Wuhan 430065, China;
| | - Xinyan Chen
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China; (R.D.); (X.C.); (Y.M.); (L.Z.); (Q.C.)
| | - Yan Meng
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China; (R.D.); (X.C.); (Y.M.); (L.Z.); (Q.C.)
| | - Lei Zhou
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China; (R.D.); (X.C.); (Y.M.); (L.Z.); (Q.C.)
| | - Qiao Chen
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China; (R.D.); (X.C.); (Y.M.); (L.Z.); (Q.C.)
| | - Guohua Zheng
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China; (R.D.); (X.C.); (Y.M.); (L.Z.); (Q.C.)
| | - Junjie Hu
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China; (R.D.); (X.C.); (Y.M.); (L.Z.); (Q.C.)
| | - Zhaohua Shi
- Key Laboratory of Resources and Compound of Traditional Chinese Medicine, Ministry of Education, Hubei University of Traditional Chinese Medicine, Wuhan 430065, China
- Hubei Shizhen Laboratory, Wuhan 430065, China
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Gamelas SRD, Tomé JPC, Tomé AC, Lourenço LMO. Advances in photocatalytic degradation of organic pollutants in wastewaters: harnessing the power of phthalocyanines and phthalocyanine-containing materials. RSC Adv 2023; 13:33957-33993. [PMID: 38019980 PMCID: PMC10658578 DOI: 10.1039/d3ra06598g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 11/08/2023] [Indexed: 12/01/2023] Open
Abstract
Access to clean water is increasingly challenging worldwide due to human activities and climate change. Wastewater treatment and utilization offer a promising solution by reducing the reliance on pure underground water. However, it is crucial to develop efficient and sustainable methods for wastewater purification. Among the emerging wastewater treatment strategies, photocatalysis has gained significant attention for decomposing organic pollutants in water, especially when combined with sunlight and a recoverable photocatalyst. Heterogeneous photocatalysts have distinct advantages, as they can be recovered and reused without significant loss of activity over multiple cycles. Phthalocyanine dyes, with their exceptional photophysical properties, are particularly valuable for homogeneous and heterogeneous photocatalysis. By immobilizing these photosensitizers in various supports, hybrid materials extend their light absorption into the visible spectrum, complementing most supports' limited UV light absorption. The novelty and research importance of this review stems from its discussion of the multifaceted approach to treating contaminated wastewater with phthalocyanines and materials containing phthalocyanines. It highlights key aspects of each study, including photocatalytic efficiency, recyclability characteristics, investigation of the generation of oxygen species responsible for degradation, identification of the major degradation byproducts for each pollutant, and others. Moreover, the review includes tables that illustrate and compare the various phthalocyanines and supporting materials employed in each study for pollutant degradation. Additionally, almost all photocatalysts mentioned in this review could degrade at least 5% of the pollutant, and more than 50 photocatalysts showed photocatalytic rates above 50%. When immobilized in some support, the synergistic effect of the phthalocyanine was visible in the photocatalytic rate of the studied pollutant. However, when performing these types of works, it is necessary to understand the degradation products of each pollutant and their relative toxicities. Along with this, recyclability and stability studies are also necessary. Despite the good results presented in this review, some of the works lack those studies. Moreover, none of the works mentions any study in wastewater.
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Affiliation(s)
- Sara R D Gamelas
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro 3810-193 Aveiro Portugal
| | - João P C Tomé
- Centro de Química Estrutural, Institute of Molecular Sciences, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa 1049-001 Lisboa Portugal
| | - Augusto C Tomé
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro 3810-193 Aveiro Portugal
| | - Leandro M O Lourenço
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro 3810-193 Aveiro Portugal
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Miyoshi T, Keller BC, Ashino T, Numazawa S. Noncanonical mechanism of Nrf2 activation by diacylglycerol polyethylene glycol adducts in normal human epidermal keratinocytes. PLoS One 2023; 18:e0291905. [PMID: 37819868 PMCID: PMC10566712 DOI: 10.1371/journal.pone.0291905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Accepted: 09/07/2023] [Indexed: 10/13/2023] Open
Abstract
Polyethylene glycol-23 glyceryl distearate (GDS-23), a diacylglycerol polyethylene glycol adduct, forms niosomes with a liposome-like structure and functions as an active ingredient in drug delivery systems. In addition, it upregulates antioxidant proteins such as heme oxygenase 1 and NAD(P)H-quinone dehydrogenase 1 in cells. However, the activation of nuclear factor E2-related factor-2 (Nrf2), which plays a role in inducing the expression of antioxidant proteins, and its protective effects induced by GDS-23 treatment against oxidative stress have not been elucidated. This study aimed at verifying the activation of Nrf2 by GDS-23 and clarifying its underlying mechanisms, and investigated whether GDS-23 protects against hydroquinone-induced cytotoxicity. Normal human epidermal keratinocytes were treated with GDS-23. Real-time reverse transcription-polymerase chain reaction, western blotting, and immunostaining were used to investigate the mechanism of Nrf2 activation, and neutral red assay was performed to evaluate cytotoxicity. GDS-23-treated cells showed an increase in antioxidant protein levels and stabilization of Nrf2 in the nucleus. During Nrf2 activation, p62, an autophagy-related adaptor protein, was phosphorylated at Ser349. Inhibition of the interaction between the phosphorylated p62 and Kelch-like ECH-associated protein 1 significantly suppressed the GDS-23-mediated induction of antioxidant protein expression. In addition, hydroquinone-induced cell toxicity was significantly attenuated by GDS-23. GDS-23 induced the intracellular antioxidant system by activating Nrf2 in a p62 phosphorylation-dependent manner without generating oxidative stress in the cells. GDS-23 may be applied as a multifunctional material for drug delivery system that enhances internal antioxidant systems.
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Affiliation(s)
- Tatsuro Miyoshi
- Beverly Glen Laboratories, Inc. Newport Beach, Newport Beach, CA, United States of America
| | - Brian C. Keller
- Beverly Glen Laboratories, Inc. Newport Beach, Newport Beach, CA, United States of America
| | - Takashi Ashino
- Department of Pharmacology, Division of Toxicology, Toxicology and Therapeutics, Showa University School of Pharmacy, Shinagawa, Tokyo, Japan
| | - Satoshi Numazawa
- Department of Pharmacology, Division of Toxicology, Toxicology and Therapeutics, Showa University School of Pharmacy, Shinagawa, Tokyo, Japan
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In KR, Kang MA, Kim SD, Shin J, Kang SU, Park TJ, Kim SJ, Lee JS. Anhydrous Alum Inhibits α-MSH-Induced Melanogenesis by Down-Regulating MITF via Dual Modulation of CREB and ERK. Int J Mol Sci 2023; 24:14662. [PMID: 37834109 PMCID: PMC10572554 DOI: 10.3390/ijms241914662] [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: 08/01/2023] [Revised: 09/26/2023] [Accepted: 09/26/2023] [Indexed: 10/15/2023] Open
Abstract
Melanogenesis, the intricate process of melanin synthesis, is central to skin pigmentation and photoprotection and is regulated by various signaling pathways and transcription factors. To develop potential skin-whitening agents, we used B16F1 melanoma cells to investigate the inhibitory effects of anhydrous alum on melanogenesis and its underlying molecular mechanisms. Anhydrous alum (KAl(SO4)2) with high purity (>99%), which is generated through the heat-treatment of hydrated alum (KAl(SO4)2·12H2O) at 400 °C, potentiates a significant reduction in melanin content without cytotoxicity. Anhydrous alum downregulates the master regulator of melanogenesis, microphthalmia-associated transcription factor (MITF), which targets key genes involved in melanogenesis, thereby inhibiting α-melanocyte-stimulating hormone (α-MSH)-induced melanogenesis. Phosphorylation of the cAMP response element-binding protein, which acts as a co-activator of MITF gene expression, is attenuated by anhydrous alum, resulting in compromised MITF transcription. Notably, anhydrous alum promoted extracellular signal-regulated kinase phosphorylation, leading to the impaired nuclear localization of MITF. Overall, these results demonstrated the generation and mode of action of anhydrous alum in B16F1 cells, which constitutes a promising option for cosmetic or therapeutic use.
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Affiliation(s)
- Kyu-Ree In
- Department of Life Sciences, College of Natural Sciences, Ajou University, Suwon 16499, Republic of Korea
| | - Mi Ae Kang
- Department of Life Sciences, College of Natural Sciences, Ajou University, Suwon 16499, Republic of Korea
- Research Institute of Basic Sciences, Ajou University, Suwon 16499, Republic of Korea
| | - Su Dong Kim
- Graduate School of Clinical Pharmacy and Pharmaceutics, Ajou University, Suwon 16499, Republic of Korea
| | - Jinho Shin
- Department of Chemistry, College of Natural Sciences, Ajou University, Suwon 16499, Republic of Korea
| | - Sung Un Kang
- Department of Otolaryngology, School of Medicine, Ajou University, Suwon 16499, Republic of Korea
| | - Tae Jun Park
- Department of Biomedical Science, The Graduate School, Ajou University, Suwon 16499, Republic of Korea
- Department of Biochemistry and Molecular Biology, Ajou University School of Medicine, Suwon 16499, Republic of Korea
| | - Seung-Joo Kim
- Research Institute of Basic Sciences, Ajou University, Suwon 16499, Republic of Korea
- Department of Chemistry, College of Natural Sciences, Ajou University, Suwon 16499, Republic of Korea
| | - Jong-Soo Lee
- Department of Life Sciences, College of Natural Sciences, Ajou University, Suwon 16499, Republic of Korea
- Research Institute of Basic Sciences, Ajou University, Suwon 16499, Republic of Korea
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11
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Li X, Long Z, Li X. Hydrodynamic cavitation degradation of hydroquinone using swirl-type micro-nano bubble reactor. ENVIRONMENTAL TECHNOLOGY 2023:1-14. [PMID: 37584098 DOI: 10.1080/09593330.2023.2248557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/17/2023]
Abstract
This study reports the degradation of hydroquinone using lab-scale hydrodynamic cavitation approach (aswirl-type micro-nano bubble reactor), which is considered a green and effective method. The effects of inlet pressure, gas flow rate, pH and initial hydroquinone concentration on hydroquinone degradation were analysed based on experimental research. After experiments investigation, it was concluded that with pH 7.38, hydroquinone concentration of 50 mg/L, and int pressure of 0.2 MPa, the degradation efficiency of hydroquinone reached 91.25% in wastewater. Furthermore, this study also investigated the degradation effect of hydroquinone wastewater by hydrodynamic cavitation combined with persulfate oxidation (HC + PS). The kinetics of hydroquinone degradation by HC or PS oxidation alone and HC + PS oxidation were also examined. Compared with the degradation method alone, the degradation of hydroquinone by HC + PS was more pronounced, and the enhancement factor was 4.55, which indicates that HC greatly enhances the oxidation capacity of PS. In additon, from viewpoint of energy consumption and operating cost, the synergy of HC + PS (1.05 mM) is also the most promising combination. Based on the detection results of the Gas chromatography-mass spectrometry (GC-MS) the possible degradation pathways of hydroquinone were analysed: under the action of ·OH and the high temperature and pressure by cavitation process, the hydroquinone molecule undergoes dehydrogenation and ring-opening reaction, demethylation and decarboxylation reaction to produce intermediate products, which are finally converted into CO2 and H2O in micro-nano bubble cavitation process.
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Affiliation(s)
- Xuehua Li
- National Center for Coal Preparation and Purification Engineering Research, China University of Mining and Technology, Xuzhou, PR People's Republic of China
| | - Zhongyan Long
- School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou, PR People's Republic of China
| | - Xiaobing Li
- National Center for Coal Preparation and Purification Engineering Research, China University of Mining and Technology, Xuzhou, PR People's Republic of China
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12
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Smith JA, Nguyen BH, Carlson R, Bertram JG, Palluk S, Arlow DH, Strauss K. Spatially Selective Electrochemical Cleavage of a Polymerase-Nucleotide Conjugate. ACS Synth Biol 2023; 12:1716-1726. [PMID: 37192389 PMCID: PMC10278165 DOI: 10.1021/acssynbio.3c00044] [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: 01/21/2023] [Indexed: 05/18/2023]
Abstract
Novel enzymatic methods are poised to become the dominant processes for de novo synthesis of DNA, promising functional, economic, and environmental advantages over the longstanding approach of phosphoramidite synthesis. Before this can occur, however, enzymatic synthesis methods must be parallelized to enable production of multiple DNA sequences simultaneously. As a means to this parallelization, we report a polymerase-nucleotide conjugate that is cleaved using electrochemical oxidation on a microelectrode array. The developed conjugate maintains polymerase activity toward surface-bound substrates with single-base control and detaches from the surface at mild oxidative voltages, leaving an extendable oligonucleotide behind. Our approach readies the way for enzymatic DNA synthesis on the scale necessary for DNA-intensive applications such as DNA data storage or gene synthesis.
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Affiliation(s)
- Jake A. Smith
- Microsoft
Research, Redmond, Washington 98052, United States
- Paul
G. Allen School of Computer Science and Engineering, University of Washington, Seattle, Washington 98195, United States
| | - Bichlien H. Nguyen
- Microsoft
Research, Redmond, Washington 98052, United States
- Paul
G. Allen School of Computer Science and Engineering, University of Washington, Seattle, Washington 98195, United States
| | - Rob Carlson
- Microsoft
Research, Redmond, Washington 98052, United States
| | | | - Sebastian Palluk
- Ansa
Biotechnologies, Emeryville, California 94608, United States
| | - Daniel H. Arlow
- Ansa
Biotechnologies, Emeryville, California 94608, United States
| | - Karin Strauss
- Microsoft
Research, Redmond, Washington 98052, United States
- Paul
G. Allen School of Computer Science and Engineering, University of Washington, Seattle, Washington 98195, United States
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13
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Abugazleh MK, Ali HM, Chester JA, Al-Fa'ouri AM, Bouldin JL. Aquatic toxicity of hydroquinone and catechol following metal oxide treatment to Ceriodaphnia dubia and Pimephales promelas. ECOTOXICOLOGY (LONDON, ENGLAND) 2023:10.1007/s10646-023-02672-5. [PMID: 37306764 DOI: 10.1007/s10646-023-02672-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Accepted: 05/25/2023] [Indexed: 06/13/2023]
Abstract
Metal oxides comprise a large group of chemicals used in water treatment to adsorb organic pollutants. The ability of titanium dioxide (TiO2) and iron (III) oxide (Fe2O3) to reduce the chronic toxicity of (phenolic) C6H6(OH)2 isomers, namely hydroquinone (HQ) and catechol (CAT) to Ceriodaphnia dubia and Pimephales promelas (less than 24 h-old) were investigated. The toxic endpoints following metal oxide treatment were compared to endpoints of untreated CAT and HQ. In chronic toxicity testing, HQ resulted in greater toxicity than CAT for both test organisms; the median lethal concentrations (LC50) for CAT were 3.66 to 12.36 mg.L-1 for C. dubia and P. promelas, respectively, while LC50 for HQ were 0.07 to 0.05 mg.L-1, respectively. Although both treated solutions presented lower toxic endpoints than those in the untreated solutions, Fe2O3 had a better potential to reduce the toxic effects of CAT and HQ than TiO2.
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Affiliation(s)
- Mohd Kotaiba Abugazleh
- Department of Chemistry and Physics, College of Science and Mathematics, Arkansas State University, Jonesboro, AR, 72467, USA.
| | - Hashim M Ali
- Department of Chemistry and Physics, College of Science and Mathematics, Arkansas State University, Jonesboro, AR, 72467, USA
| | - Jae A Chester
- Department of Biological Sciences, College of Science and Mathematics, Arkansas State University, Jonesboro, AR, 72467, USA
| | | | - Jennifer L Bouldin
- Department of Biological Sciences, College of Science and Mathematics, Arkansas State University, Jonesboro, AR, 72467, USA
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14
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Yang H, Chen Y, Zeng M, Wu H, Zou X, Fang T, Zhai L, Liang H, Luo H, Tian G, Liu Q, Tang H. Long non-coding RNA LINC01480 is activated by Foxo3a and promotes hydroquinone-induced TK6 cell apoptosis by inhibiting the PI3K/AKT pathway. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 255:114786. [PMID: 36934544 DOI: 10.1016/j.ecoenv.2023.114786] [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: 10/19/2022] [Revised: 03/04/2023] [Accepted: 03/13/2023] [Indexed: 06/18/2023]
Abstract
Long non-coding RNAs (lncRNAs) have been shown to play a critical role in the damage caused to the body by environmental exogenous chemicals; however, few studies have explored their effects during exposure to benzene and its metabolite, hydroquinone (HQ). An emerging lncRNA, LINC01480, was found to be associated with the immune microenvironment of some cancers, but its specific function remains unknown. Therefore, this study aimed to investigate the role of LINC01480 in HQ-induced apoptosis. The biological function of LINC01480 was investigated through gain-of-function and loss-of-function experiments. Mechanically, nuclear-cytoplasmic fractionation experiment, chromatin immunoprecipitation (ChIP), dual-luciferase reporter assay, and rescue experiments were performed. In this study, when TK6 cells were treated with HQ (0, 5, 10, and 20 μM) for 12, 24, 48, and 72 h, the expression of LINC01480 was increased in a dose-dependent manner. Meanwhile, the phosphorylation levels of PI3K and AKT decreased, and apoptosis increased. As compared to the control group, HQ-induced apoptosis was significantly reduced, and the relative survival rate of TK6 cells increased after silencing LINC01480, while overexpression of LINC01480 further sensitized TK6 cells to HQ-induced apoptotic cell death. LINC01480 negatively regulated the PI3K/AKT pathway in TK6 cells, and the apoptosis-inhibiting effect of LINC01480 silencing was reversed after inhibition of the PI3K/AKT pathway. In addition, ChIP and the dual-luciferase reporter assays showed that the transcription factor Foxo3a promoted LINC01480 transcription by directly binding to the promoter regions - 149 to - 138 of LINC01480. Moreover, short-term HQ exposure promoted the expression of Foxo3a. From these findings, we can conclude that LINC01480 is activated by Foxo3a, and promotes HQ-induced apoptosis by inhibiting the PI3K/AKT pathway, suggesting that LINC01480 might become a possible target for therapeutic intervention of HQ-induced toxicity.
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Affiliation(s)
- Hui Yang
- The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan 523808, Guangdong, China; Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan 523808, Guangdong, China
| | - Yuting Chen
- The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan 523808, Guangdong, China; Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan 523808, Guangdong, China
| | - Minjuan Zeng
- Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan 523808, Guangdong, China
| | - Haipeng Wu
- Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan 523808, Guangdong, China
| | - Xiangli Zou
- Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan 523808, Guangdong, China
| | - Tiantian Fang
- Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan 523808, Guangdong, China
| | - Lu Zhai
- Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan 523808, Guangdong, China
| | - Hairong Liang
- Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan 523808, Guangdong, China
| | - Hao Luo
- Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan 523808, Guangdong, China
| | - Gaiqin Tian
- Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan 523808, Guangdong, China
| | - Qizhan Liu
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, China; Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Jiangsu Collaborative Innovation Center for Cancer Personalized Medicine, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, China
| | - Huanwen Tang
- The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan 523808, Guangdong, China; Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan 523808, Guangdong, China.
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15
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Enguita FJ, Pereira S, Leitão AL. Transcriptomic Analysis of Acetaminophen Biodegradation by Penicillium chrysogenum var. halophenolicum and Insights into Energy and Stress Response Pathways. J Fungi (Basel) 2023; 9:jof9040408. [PMID: 37108863 PMCID: PMC10146002 DOI: 10.3390/jof9040408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 03/17/2023] [Accepted: 03/21/2023] [Indexed: 03/29/2023] Open
Abstract
(1) Background: Acetaminophen (APAP), an active component of many analgesic and antipyretic drugs, is one of the most concerning trace contaminants in the environment and is considered as an emergent pollutant of marine and aquatic ecosystems. Despite its biodegradability, APAP has become a recalcitrant compound due to the growth of the global population, the ease of availability, and the inefficient wastewater treatment applied. (2) Methods: In this study, we used a transcriptomic approach to obtain functional and metabolic insights about the metabolization of APAP by a phenol-degrading fungal strain, Penicillium chrysogenum var. halophenolicum. (3) Results: We determined that the transcriptomic profile exhibited by the fungal strain during APAP degradation was very dynamic, being characterized by an abundance of dysregulated transcripts which were proportional to the drug metabolization. Using a systems biology approach, we also inferred the protein functional interaction networks that could be related to APAP degradation. We proposed the involvement of intracellular and extracellular enzymes, such as amidases, cytochrome P450, laccases, and extradiol-dioxygenases, among others. (4) Conclusions: Our data suggested that the fungus could metabolize APAP via a complex metabolic pathway, generating nontoxic metabolites, which demonstrated its potential in the bioremediation of this drug.
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16
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Heluany CS, De Palma A, Day NJ, Farsky SHP, Nalesso G. Hydroquinone, an Environmental Pollutant, Affects Cartilage Homeostasis through the Activation of the Aryl Hydrocarbon Receptor Pathway. Cells 2023; 12:cells12050690. [PMID: 36899825 PMCID: PMC10001213 DOI: 10.3390/cells12050690] [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: 12/30/2022] [Revised: 02/15/2023] [Accepted: 02/16/2023] [Indexed: 02/25/2023] Open
Abstract
Exposure to environmental pollutants has a proven detrimental impact on different aspects of human health. Increasing evidence has linked pollution to the degeneration of tissues in the joints, although through vastly uncharacterised mechanisms. We have previously shown that exposure to hydroquinone (HQ), a benzene metabolite that can be found in motor fuels and cigarette smoke, exacerbates synovial hypertrophy and oxidative stress in the synovium. To further understand the impact of the pollutant on joint health, here we investigated the effect of HQ on the articular cartilage. HQ exposure aggravated cartilage damage in rats in which inflammatory arthritis was induced by injection of Collagen type II. Cell viability, cell phenotypic changes and oxidative stress were quantified in primary bovine articular chondrocytes exposed to HQ in the presence or absence of IL-1β. HQ stimulation downregulated phenotypic markers genes SOX-9 and Col2a1, whereas it upregulated the expression of the catabolic enzymes MMP-3 and ADAMTS5 at the mRNA level. HQ also reduced proteoglycan content and promoted oxidative stress alone and in synergy with IL-1β. Finally, we showed that HQ-degenerative effects were mediated by the activation of the Aryl Hydrocarbon Receptor. Together, our findings describe the harmful effects of HQ on articular cartilage health, providing novel evidence surrounding the toxic mechanisms of environmental pollutants underlying the onset of articular diseases.
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Affiliation(s)
- Cintia Scucuglia Heluany
- Department of Comparative Biomedical Sciences, School of Veterinary Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford GU2 7AL, UK
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo 015508-000, Brazil
| | - Anna De Palma
- Department of Comparative Biomedical Sciences, School of Veterinary Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford GU2 7AL, UK
| | - Nicholas James Day
- Department of Comparative Biomedical Sciences, School of Veterinary Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford GU2 7AL, UK
| | - Sandra Helena Poliselli Farsky
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo 015508-000, Brazil
| | - Giovanna Nalesso
- Department of Comparative Biomedical Sciences, School of Veterinary Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford GU2 7AL, UK
- Correspondence:
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17
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Verma S, Thakur D, Pandey CM, Kumar D. Recent Prospects of Carbonaceous Nanomaterials-Based Laccase Biosensor for Electrochemical Detection of Phenolic Compounds. BIOSENSORS 2023; 13:305. [PMID: 36979517 PMCID: PMC10046707 DOI: 10.3390/bios13030305] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 02/10/2023] [Accepted: 02/16/2023] [Indexed: 06/18/2023]
Abstract
Phenolic compounds (PhCs) are ubiquitously distributed phytochemicals found in many plants, body fluids, food items, medicines, pesticides, dyes, etc. Many PhCs are priority pollutants that are highly toxic, teratogenic, and carcinogenic. Some of these are present in body fluids and affect metabolism, while others possess numerous bioactive properties such as retaining antioxidant and antimicrobial activity in plants and food products. Therefore, there is an urgency for developing an effective, rapid, sensitive, and reliable tool for the analysis of these PhCs to address their environmental and health concern. In this context, carbonaceous nanomaterials have emerged as a promising material for the fabrication of electrochemical biosensors as they provide remarkable characteristics such as lightweight, high surface: volume, excellent conductivity, extraordinary tensile strength, and biocompatibility. This review outlines the current status of the applications of carbonaceous nanomaterials (CNTs, graphene, etc.) based enzymatic electrochemical biosensors for the detection of PhCs. Efforts have also been made to discuss the mechanism of action of the laccase enzyme for the detection of PhCs. The limitations, advanced emerging carbon-based material, current state of artificial intelligence in PhCs detection, and future scopes have also been summarized.
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Affiliation(s)
- Sakshi Verma
- Department of Applied Chemistry, Delhi Technological University, Delhi 110042, India
| | - Deeksha Thakur
- Department of Applied Chemistry, Delhi Technological University, Delhi 110042, India
| | - Chandra Mouli Pandey
- Department of Chemistry, Faculty of Science, SGT University, Gurugram 122505, India
| | - Devendra Kumar
- Department of Applied Chemistry, Delhi Technological University, Delhi 110042, India
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18
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Yang F, Zhao F. Mechanism of visible light enhances microbial degradation of Bisphenol A. JOURNAL OF HAZARDOUS MATERIALS 2023; 443:130214. [PMID: 36327837 DOI: 10.1016/j.jhazmat.2022.130214] [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: 03/28/2022] [Revised: 10/17/2022] [Accepted: 10/18/2022] [Indexed: 06/16/2023]
Abstract
Bisphenol A (BPA) is a toxic endocrine disruptor detected in various environments. Microbial metabolic/enzymatic degradation has been thought to be the main pathway for BPA attenuation in natural environments. In this study, we found that under visible light conditions, superoxide produced by bacteria was the main reason for the rapid removal of BPA, accounting for 57 % of the total removal rate. With visible light, the bacteria degraded BPA at a rate of 0.22 mg/L/d, and the total removal within 8 days reached 85 %, which is 4.7 times compared with that of dark culture. The intermediate product 4-iso-propenylphenol, which was considered as an end-product of microbial degradation of BPA in previous reports, was detected in large quantities at 24 h in culture but gradually decreased in our experiment. Community analysis suggested bacteria with aromatic hydrocarbon degradation ability were more enriched under light incubation. Moreover, the bacteria showed well degradation ability to various pharmaceutically active but nonbiodegradable compounds including diclofenac and fluoxetine, with a removal rate of 88 % and 20 %, respectively. Our study revealed the organic pollutant transformation pathway under the combined action of light and microorganisms, providing new insights into the microbial treatment of aromatic hydrocarbon pollutants.
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Affiliation(s)
- Fan Yang
- CAS Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Feng Zhao
- CAS Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, PR China.
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19
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Sarmiento V, Lockett M, Sumbarda-Ramos EG, Vázquez-Mena O. Effective Removal of Metal ion and Organic Compounds by Non-Functionalized rGO. Molecules 2023; 28:649. [PMID: 36677707 PMCID: PMC9864598 DOI: 10.3390/molecules28020649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 12/08/2022] [Accepted: 12/09/2022] [Indexed: 01/11/2023] Open
Abstract
Effective removal of heavy metals from water is critical for environmental safety and public health. This work presents a reduced graphene oxide (rGO) obtained simply by using gallic acid and sodium ascorbate, without any high thermal process or complex functionalization, for effective removal of heavy metals. FTIR and Raman analysis show the effective conversion of graphene oxide (GO) into rGO and a large presence of defects in rGO. Nitrogen adsorption isotherms show a specific surface area of 83.5 m2/g. We also measure the zeta-potential of the material showing a value of -52 mV, which is lower compared to the -32 mV of GO. We use our rGO to test adsorption of several ion metals (Ag (I), Cu (II), Fe (II), Mn (II), and Pb(II)), and two organic contaminants, methylene blue and hydroquinone. In general, our rGO shows strong adsorption capacity of metals and methylene blue, with adsorption capacity of qmax = 243.9 mg/g for Pb(II), which is higher than several previous reports on non-functionalized rGO. Our adsorption capacity is still lower compared to functionalized graphene oxide compounds, such as chitosan, but at the expense of more complex synthesis. To prove the effectiveness of our rGO, we show cleaning of waste water from a paper photography processing operation that contains large residual amounts of hydroquinone, sulfites, and AgBr. We achieve 100% contaminants removal for 20% contaminant concentration and 63% removal for 60% contaminant concentration. Our work shows that our simple synthesis of rGO can be a simple and low-cost route to clean residual waters, especially in disadvantaged communities with low economical resources and limited manufacturing infrastructure.
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Affiliation(s)
- Viviana Sarmiento
- Facultad de Odontología, Universidad Autónoma de Baja California, Tijuana 22427, BC, Mexico
- Department of NanoEngineering and Center for Memory and Recording Research, University of California San Diego, La Jolla, CA 92093, USA
| | - Malcolm Lockett
- Department of NanoEngineering and Center for Memory and Recording Research, University of California San Diego, La Jolla, CA 92093, USA
| | - Emigdia Guadalupe Sumbarda-Ramos
- Facultad de Ciencias de la Ingeniería y Tecnología (FCITEC), Universidad Autónoma de Baja California, Valle de las Palmas, Tijuana 22427, BC, Mexico
| | - Oscar Vázquez-Mena
- Department of NanoEngineering and Center for Memory and Recording Research, University of California San Diego, La Jolla, CA 92093, USA
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20
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Pham HHT, Kim DH, Nguyen TL. Wide-genome selection of lactic acid bacteria harboring genes that promote the elimination of antinutritional factors. FRONTIERS IN PLANT SCIENCE 2023; 14:1145041. [PMID: 37180381 PMCID: PMC10171302 DOI: 10.3389/fpls.2023.1145041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Accepted: 03/16/2023] [Indexed: 05/16/2023]
Abstract
Anti-nutritional factors (ANFs) substances in plant products, such as indigestible non-starchy polysaccharides (α-galactooligosaccharides, α-GOS), phytate, tannins, and alkaloids can impede the absorption of many critical nutrients and cause major physiological disorders. To enhance silage quality and its tolerance threshold for humans as well as other animals, ANFs must be reduced. This study aims to identify and compare the bacterial species/strains that are potential use for industrial fermentation and ANFs reduction. A pan-genome study of 351 bacterial genomes was performed, and binary data was processed to quantify the number of genes involved in the removal of ANFs. Among four pan-genomes analysis, all 37 tested Bacillus subtilis genomes had one phytate degradation gene, while 91 out of 150 Enterobacteriacae genomes harbor at least one genes (maximum three). Although, no gene encoding phytase detected in genomes of Lactobacillus and Pediococcus species, they have genes involving indirectly in metabolism of phytate-derivatives to produce Myo-inositol, an important compound in animal cells physiology. In contrast, genes related to production of lectin, tannase and saponin degrading enzyme did not include in genomes of B. subtilis and Pediococcus species. Our findings suggest a combination of bacterial species and/or unique strains in fermentation, for examples, two Lactobacillus strains (DSM 21115 and ATCC 14869) with B. subtilis SRCM103689, would maximize the efficiency in reducing the ANFs concentration. In conclusion, this study provides insights into bacterial genomes analysis for maximizing nutritional value in plant-based food. Further investigations of gene numbers and repertories correlated to metabolism of different ANFs will help clarifying the efficiency of time consuming and food qualities.
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Affiliation(s)
- Hai-Ha-Thi Pham
- VK Tech Research Center, NTT Hi-Tech Institute, Nguyen Tat Thanh University, Ho Chi Minh City, Vietnam
| | - Do-Hyung Kim
- Department of Aquatic Life Medicine, College of Fisheries Sciences, Pukyong National University, Busan, Republic of Korea
| | - Thanh Luan Nguyen
- Department of Science and Technology, HUTECH University, Ho Chi Minh City, Vietnam
- *Correspondence: Thanh Luan Nguyen,
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21
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Shi L, Meng F, Wang S, Hu Z, Li J, Tian F, Wang H, Zhu Y, Wang Y, Ge RS, Li H. Effects of phenolic compounds on 3β-hydroxysteroid dehydrogenase activity in human and rat placenta: Screening, mode of action, and docking analysis. J Steroid Biochem Mol Biol 2023; 225:106202. [PMID: 36241036 DOI: 10.1016/j.jsbmb.2022.106202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Revised: 10/06/2022] [Accepted: 10/07/2022] [Indexed: 11/07/2022]
Abstract
Human 3β-hydroxysteroid dehydrogenase type I (HSD3B1) and rat type IV (HSD3B4) in placentas catalyze the conversion of pregnenolone to progesterone, which plays a key role in maintaining pregnancy. Many phenolic compounds potentially inhibit HSD3B in placentas as endocrine disruptors. In this study, the effects of 16 phenolic compounds on the activity of human HSD3B1 and rat HSD3B4 were determined and the structure-activity relationship was compared. HSD3B1 in human placental microsomes and HSD3B4 in rat placental microsomes were used to measure their activities and pregnenolone and NAD+ were used as substrates. Of the 16 phenolic compounds, 4-nonylphenol, pentabromophenol, and 2-bromophenol resulted in residual human HSD3B1 activity lower than 50 % and 4-nonylphenol and pentabromophenol resulted in residual rat HSD3B4 activity lower than 50 %. 4-Nonylphenol, pentabromophenol, and 2-bromophenol were mixed inhibitors of human HSD3B1, with Ki values of 2.31, 3.58 and 4.86 µM, respectively, while 4-nonylphenol and pentabromophenol were noncompetitive inhibitors of rat HSD3B4 with Ki values of 20.86 and 141.8 µM. Molecular docking showed that 4-nonylphenol, pentabromophenol, and 2-bromophenol docked to the active sites of human HSD3B1 and rat HSD3B4, and the shift of residue S125 in human HSD3B1 to T125 in rat HSD3B4 could explain the species-dependent difference in their inhibitory potency and mode of action. This study demonstrates that 4-nonylphenol, pentabromophenol, and 2-bromophenol are mixed inhibitors of human placental HSD3B1, while 4-nonylphenol and pentabromophenol are noncompetitive inhibitors of rat HSD3B4, possibly blocking the placental steroidogenesis.
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Affiliation(s)
- Lei Shi
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Fangyan Meng
- Department of Anaesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Shaowei Wang
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Zhiyan Hu
- Department of Anaesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Jingjing Li
- Department of Anaesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Fuhong Tian
- Department of Anaesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Haixing Wang
- Department of Anaesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Yang Zhu
- Department of Anaesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Yiyan Wang
- Department of Anaesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Ren-Shan Ge
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Department of Anaesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Structural Malformations in Children of Zhejiang Province, Wenzhou 325000, Zhejiang Province, China.
| | - Huitao Li
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China; Key Laboratory of Structural Malformations in Children of Zhejiang Province, Wenzhou 325000, Zhejiang Province, China.
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22
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Chen L, Zhai L, Gao Y, Cui Z, Yu L, Zhu D, Tang H, Luo H. Nrf2 affects hydroquinone-induces cell cycle arrest through the p16/pRb signaling pathway and antioxidant enzymes. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 249:114389. [PMID: 36508791 DOI: 10.1016/j.ecoenv.2022.114389] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 10/02/2022] [Accepted: 12/01/2022] [Indexed: 06/17/2023]
Abstract
Hydroquinone (HQ), a well-known carcinogenic agent, induces oxidative stress, cell cycle arrest, apoptosis, and malignant transformation. As an antioxidant actor, the nuclear factor erythroid 2-related factor 2 (Nrf2) drives adaptive cellular protection in response to oxidative stress. The human lymphoblastoid cell line (TK6 cells) is widely used as a model for leukemia researches. In the present study, we focused on exploring whether Nrf2 regulatory cell cycle in TK6 cells upon HQ treatment and the underlying mechanisms. The results showed that the cell cycle arrest in TK6 cells induced by hydroquinone was accompanied by activation of the Nrf2 signaling pathway. We further clarified that Nrf2 loss accelerated cell cycle progression from G0/G1 to S and G2/M phases and promoted ROS production by downregulating the expression of SOD and GSH. Western blotting analysis indicated that Nrf2 regulated cell cycle progression via p16/pRb signaling pathways. Therefore, we conclude that Nrf2 is engaged in HQ-induced cell cycle arrest as well through p16/pRb and antioxidant enzymes.
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Affiliation(s)
- Lin Chen
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China.
| | - Lu Zhai
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China.
| | - Yuting Gao
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China.
| | - Zheming Cui
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China.
| | - Lingxue Yu
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China.
| | - Delong Zhu
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China.
| | - Huanwen Tang
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China; The first Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan, China.
| | - Hao Luo
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China.
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23
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Singh R, Singh M. Highly selective and specific monitoring of pollutants using dual template imprinted MIP sensor. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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24
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Rana MA, Mahmood R, Nadeem F, Wang Y, Jin C, Liu X. Enhanced nitrogen use efficiency, growth and yield of wheat through soil urea hydrolysis inhibition by Vachellia nilotica extract. FRONTIERS IN PLANT SCIENCE 2022; 13:1039601. [PMID: 36452087 PMCID: PMC9702566 DOI: 10.3389/fpls.2022.1039601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 10/24/2022] [Indexed: 06/17/2023]
Abstract
Soil urease inhibition slows down the urea hydrolysis and prolongs nitrogen (N) stay in soil, resulting in an increased N uptake by plants. Apart from several chemical urease inhibitors, the urease inhibition potential of plant extracts is rarely reported. In our previous study, the soil urease inhibition by Vachellia nilotica leaf extract was reported; however, its role in relation to growth and yield of wheat (Triticum aestivum) under pot and field conditions remains unknown. The acetonic extracts of 10, 20, and 50 g Vachellia nilotica leaves were given code names viz. Vn.Fl-10, Vn.Fl-20 and Vn.Fl-50, respectively, and coated on 100 g of urea individually. The enhancements of growth (total number of tillers, number of productive tillers, number of spikelets per spike, number of grains per spike, and 1000-grains weight) and yield (biological yield, straw yield, and grain yield) parameters of wheat by Vn.Fl-20 and Vn.Fl-50 coated urea treatments were compared with uncoated urea in a pot experiment. The experiment indicated that the Vachellia nilotica extract coatings were effective at improving N persistence in soil, as reflected by increased grain and straw N concentrations as well as uptakes. The reproduction of the aforementioned results, at the half and full recommended dose of urea under field conditions, reconfirmed the effectiveness of Vachellia nillotica coatings. Moreover, the Vn.Fl-20 and Vn.Fl-50 coated urea, at the half as well as full recommended dose under field conditions, proved equally effective in terms of higher biological, straw, and grain yield, and grain N uptake. The increments in the total number of tillers, number of productive tillers, 1000-grain weight, biological yield, straw yield, grain yield, grain N concentration, grain N-, and straw N uptake along with nitrogen use efficiency (NUE) components, i.e. nitrogen partial factor productivity (NPFP), nitrogen agronomic efficiency (NAE), partial nitrogen balance (PNB), and nitrogen recovery efficiency (NRE) of wheat highlighted the superiority of Vn.Fl-20 coating over the hydroquinone (Hq) coating on urea at the full recommended dose under field conditions. Given the findings of this study, Vachellia nilotica leaf extract coating (Vn.Fl-20) can be used as a natural urease inhibitor to reduce urea hydrolysis and enhance wheat productivity.
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Affiliation(s)
| | - Rashid Mahmood
- Department of Soil Science, University of the Punjab, Lahore, Pakistan
| | - Faisal Nadeem
- Department of Soil Science, University of the Punjab, Lahore, Pakistan
| | - Yun Wang
- Center of Planting Technology Extension of Dongyang, Jinhua, China
| | - Chongwei Jin
- State Key Laboratory of Plant Physiology and Biochemistry, College of Natural Resources and Environmental Science, Zhejiang University, Hangzhou, China
| | - Xingxing Liu
- State Key Laboratory of Plant Physiology and Biochemistry, College of Natural Resources and Environmental Science, Zhejiang University, Hangzhou, China
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25
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Harju N. Regulation of oxidative stress and inflammatory responses in human retinal pigment epithelial cells. Acta Ophthalmol 2022; 100 Suppl 273:3-59. [DOI: 10.1111/aos.15275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Niina Harju
- School of Pharmacy University of Eastern Finland Kuopio Finland
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26
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Degradation of Hydroquinone Coupled with Energy Generation through Microbial Fuel Cells Energized by Organic Waste. Processes (Basel) 2022. [DOI: 10.3390/pr10102099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Microbial fuel cell (MFC) technology has captured the scientific community’s attention in recent years owing to its ability to directly transform organic waste into electricity through electrochemical processes. Currently, MFC systems faces a number of barriers, with one of the most significant being the lack of organic substrate to provide enough energy for bacterial growth and activity. In the current work, rotten rice was utilized as an organic substrate to boost bacterial activity to produce more energy and break down the organic pollutant hydroquinone in an effort to improve the performance of MFCs. There are only a few studies that considered the waste as an organic substrate and simultaneously degraded the organic pollutant vis-à-vis MFCs. The oxidation of glucose derived from rotten rice generated electrons that were transported to the anode surface and subsequently flowed through an external circuit to the cathode, where they were used to degrade the organic pollutant hydroquinone. The results were consistent with the MFC operation, where the 168-mV voltage was generated over the course of 29 days with a 1000 Ω external resistance. The maximum power and current densities were 1.068 mW/m2 and 123.684 mA/m2, respectively. The hydroquinone degradation was of 68%. For the degradation of organic pollutants and the production of energy, conductive pili-type bacteria such as Lacticaseibacillus, Pediococcus acidilactici and Secundilactobacillus silagincola species were identified during biological characterization. Future recommendations and concluding remarks are also included.
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Silveri F, Della Pelle F, Scroccarello A, Mazzotta E, Di Giulio T, Malitesta C, Compagnone D. Carbon Black Functionalized with Naturally Occurring Compounds in Water Phase for Electrochemical Sensing of Antioxidant Compounds. Antioxidants (Basel) 2022; 11:antiox11102008. [PMID: 36290731 PMCID: PMC9598705 DOI: 10.3390/antiox11102008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 10/04/2022] [Accepted: 10/04/2022] [Indexed: 11/18/2022] Open
Abstract
A new sustainable route to nanodispersed and functionalized carbon black in water phase (W-CB) is proposed. The sonochemical strategy exploits ultrasounds to disaggregate the CB, while two selected functional naturally derived compounds, sodium cholate (SC) and rosmarinic acid (RA), act as stabilizing agents ensuring dispersibility in water adhering onto the CB nanoparticles’ surface. Strategically, the CB-RA compound is used to drive the AuNPs self-assembling at room temperature, resulting in a CB surface that is nanodecorated; further, this is achieved without the need for additional reagents. Electrochemical sensors based on the proposed nanomaterials are realized and characterized both morphologically and electrochemically. The W-CBs’ electroanalytical potential is proved in the anodic and cathodic window using caffeic acid (CF) and hydroquinone (HQ), two antioxidant compounds that are significant for food and the environment. For both antioxidants, repeatable (RSD ≤ 3.3%; n = 10) and reproducible (RSD ≤ 3.8%; n = 3) electroanalysis results were obtained, achieving nanomolar detection limits (CF: 29 nM; HQ: 44 nM). CF and HQ are successfully determined in food and environmental samples (recoveries 97–113%), and also in the presence of other phenolic classes and HQ structural isomers. The water dispersibility of the proposed materials can be an opportunity for (bio) sensor fabrication and sustainable device realization.
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Affiliation(s)
- Filippo Silveri
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, Italy
| | - Flavio Della Pelle
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, Italy
- Correspondence: (F.D.P.); (D.C.); Tel.: +39-0861-266948 (F.D.P.); +39-0861-266942 (D.C.)
| | - Annalisa Scroccarello
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, Italy
| | - Elisabetta Mazzotta
- Laboratorio di Chimica Analitica, Dipartimento di Scienze e Tecnologie Biologiche e Ambientali (Di.S.Te.B.A.), Universitaà del Salento, Via Monteroni, 73100 Lecce, Italy
| | - Tiziano Di Giulio
- Laboratorio di Chimica Analitica, Dipartimento di Scienze e Tecnologie Biologiche e Ambientali (Di.S.Te.B.A.), Universitaà del Salento, Via Monteroni, 73100 Lecce, Italy
| | - Cosimino Malitesta
- Laboratorio di Chimica Analitica, Dipartimento di Scienze e Tecnologie Biologiche e Ambientali (Di.S.Te.B.A.), Universitaà del Salento, Via Monteroni, 73100 Lecce, Italy
| | - Dario Compagnone
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, Italy
- Correspondence: (F.D.P.); (D.C.); Tel.: +39-0861-266948 (F.D.P.); +39-0861-266942 (D.C.)
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Precise Regulation of Differential Transcriptions of Various Catabolic Genes by OdcR via a Single Nucleotide Mutation in the Promoter Ensures the Safety of Metabolic Flux. Appl Environ Microbiol 2022; 88:e0118222. [PMID: 36036586 PMCID: PMC9499029 DOI: 10.1128/aem.01182-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Synergistic regulation of the expression of various genes in a catabolic pathway is crucial for the degradation, survival, and adaptation of microorganisms in polluted environments. However, how a single regulator accurately regulates and controls differential transcriptions of various catabolic genes to ensure metabolic safety remains largely unknown. Here, a LysR-type transcriptional regulator (LTTR), OdcR, encoded by the regulator gene odcR, was confirmed to be essential for 3,5-dibromo-4-hydroxybenozate (DBHB) catabolism and simultaneously activated the transcriptions of a gene with unknown function, orf419, and three genes, odcA, odcB, and odcC, involved in the DBHB catabolism in Pigmentiphaga sp. strain H8. OdcB further metabolized the highly toxic intermediate 2,6-dibromohydroquinone, which was produced from DBHB by OdcA. The upregulated transcriptional level of odcB was 7- to 9-fold higher than that of orf419, odcA, or odcC in response to DBHB. Through an electrophoretic mobility shift assay and DNase I footprinting assay, DBHB was found to be the effector and essential for OdcR binding to all four promoters of orf419, odcA, odcB, and odcC. A single nucleotide mutation in the regulatory binding site (RBS) of the promoter of odcB (TAT-N11-ATG), compared to those of odcA/orf419 (CAT-N11-ATG) and odcC (CAT-N11-ATT), was identified and shown to enable the significantly higher transcription of odcB. The precise regulation of these genes by OdcR via a single nucleotide mutation in the promoter avoided the accumulation of 2,6-dibromohydroquinone, ensuring the metabolic safety of DBHB. IMPORTANCE Prokaryotes use various mechanisms, including improvement of the activity of detoxification enzymes, to cope with toxic intermediates produced during catabolism. However, studies on how bacteria accurately regulate differential transcriptions of various catabolic genes via a single regulator to ensure metabolic safety are scarce. This study revealed a LysR-type transcriptional activator, OdcR, which strongly activated odcB transcription for the detoxification of the toxic intermediate 2,6-dibromohydroquinone and slightly activated the transcriptions of other genes (orf419, odcA, and odcC) for 3,5-dibromo-4-hydroxybenozate (DBHB) catabolism in Pigmentiphaga sp. strain H8. Interestingly, the differential transcription/expression of the four genes, which ensured the metabolic safety of DBHB in cells, was determined by a single nucleotide mutation in the regulatory binding sites of the four promoters. This study describes a new and ingenious regulatory mode of ensuring metabolic safety in bacteria, expanding our understanding of synergistic transcriptional regulation in prokaryotes.
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Efficient degradation of hydroquinone by a metabolically engineered Pseudarthrobacter sulfonivorans strain. Arch Microbiol 2022; 204:588. [PMID: 36048304 DOI: 10.1007/s00203-022-03214-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 08/18/2022] [Accepted: 08/22/2022] [Indexed: 11/02/2022]
Abstract
Pseudarthrobacter sulfonivorans strain Ar51 can degrade crude oil and multi-substituted benzene compounds efficiently at low temperatures. However, it cannot degrade hydroquinone, which is a key intermediate in the degradation of several other compounds of environmental importance, such as 4-nitrophenol, g-hexachlorocyclohexane, 4-hydroxyacetophenone and 4-aminophenol. Here we co-expressed the two subunits of hydroquinone dioxygenase from Sphingomonas sp. strain TTNP3 with different promoters in the strain Ar51. The strain with 2 hdnO promoters exhibited the strongest hydroquinone catabolic activity. However, in the absence of antibiotic selection this ability to degrade hydroquinone was lost due to plasmid instability. Consequently, we constructed a hisD knockout strain, which was unable to synthesise histidine. By introducing the hisD gene onto the plasmid, the ability to degrade hydroquinone in the absence of antibiotic selection was stabilised. In addition, to make the strain more stable for industrial applications, we knocked out the recA gene and integrated the hydroquinone dioxygenase genes at this chromosomal locus. This strain exhibited the strongest activity in catabolizing hydroquinone, up to 470 mg/L in 16 h without antibiotic selection. In addition, this activity was shown to be stable when the strain has cultured in medium without antibiotic selection after 20 passages.
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30
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Chacón FJ, Cayuela ML, Sánchez-Monedero MA. Paracetamol degradation pathways in soil after biochar addition. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 307:119546. [PMID: 35644431 DOI: 10.1016/j.envpol.2022.119546] [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: 02/28/2022] [Revised: 05/06/2022] [Accepted: 05/24/2022] [Indexed: 06/15/2023]
Abstract
Little is known about the effect of biochar on the degradation of paracetamol in soil, considering the ubiquity of this pollutant in the environment. Given the importance of the electrochemical properties of biochar for contaminant remediation, we investigated the influence of raw and designer redox-active biochars on paracetamol degradation in soil. Metabolite quantification indicated that a minimum of 53% of the spiked paracetamol was transformed in biochar-amended soil, resulting in the accumulation of different degradation products. The identification of these products allowed us to chart paracetamol degradation pathways in soil with and without biochar amendment. Some of the major degradation routes were observed to proceed via catechol and phenol, despite being previously described as having only a minor role in paracetamol metabolism. Additionally, a new transformation route from paracetamol to NAPQI was discovered in anaerobic soil originating from direct redox reactions on the surface of the designer biochars. These results may contribute to change our understanding of the environmental fate of paracetamol in soil and the role of biochar in its biodegradation.
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Affiliation(s)
- Francisco J Chacón
- Department of Soil and Water Conservation and Organic Waste Management, CEBAS-CSIC, Box 164 Espinardo, 30100, Murcia, Spain.
| | - Maria L Cayuela
- Department of Soil and Water Conservation and Organic Waste Management, CEBAS-CSIC, Box 164 Espinardo, 30100, Murcia, Spain
| | - Miguel A Sánchez-Monedero
- Department of Soil and Water Conservation and Organic Waste Management, CEBAS-CSIC, Box 164 Espinardo, 30100, Murcia, Spain
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Navarro-Segarra M, Tortosa C, Ruiz-Díez C, Desmaële D, Gea T, Barrena R, Sabaté N, Esquivel JP. A plant-like battery: a biodegradable power source ecodesigned for precision agriculture. ENERGY & ENVIRONMENTAL SCIENCE 2022; 15:2900-2915. [PMID: 35923415 PMCID: PMC9277620 DOI: 10.1039/d2ee00597b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 05/30/2022] [Indexed: 06/15/2023]
Abstract
The natural environment has always been a source of inspiration for the research community. Nature has evolved over thousands of years to create the most complex living systems, with the ability to leverage inner and outside energetic interactions in the most efficient way. This work presents a flow battery profoundly inspired by nature, which mimics the fluid transport in plants to generate electric power. The battery was ecodesigned to meet a life cycle for precision agriculture (PA) applications; from raw material selection to disposability considerations, the battery is conceived to minimize its environmental impact while meeting PA power requirements. The paper-based fluidic system relies on evaporation as the main pumping force to pull the reactants through a pair of porous carbon electrodes where the electrochemical reaction takes place. This naturally occurring transpiration effect enables to significantly expand the operational lifespan of the battery, overcoming the time-limitation of current capillary-based power sources. Most relevant parameters affecting the battery performance, such as evaporation flow and redox species degradation, are thoroughly studied to carry out device optimization. Flow rates and power outputs comparable to those of capillary-based power sources are achieved. The prototype practicality has been demonstrated by powering a wireless plant-caring device. Standardized biodegradability and phytotoxicity assessments show that the battery is harmless to the environment at the end of its operational lifetime. Placing sustainability as the main driver leads to the generation of a disruptive battery concept that aims to address societal needs within the planetary environmental boundaries.
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Affiliation(s)
- Marina Navarro-Segarra
- Instituto de Microelectrónica de Barcelona, IMB-CNM (CSIC) C/dels Tillers sn, Campus UAB 08193 Bellaterra Barcelona Spain
| | - Carles Tortosa
- Instituto de Microelectrónica de Barcelona, IMB-CNM (CSIC) C/dels Tillers sn, Campus UAB 08193 Bellaterra Barcelona Spain
| | - Carlos Ruiz-Díez
- Instituto de Microelectrónica de Barcelona, IMB-CNM (CSIC) C/dels Tillers sn, Campus UAB 08193 Bellaterra Barcelona Spain
| | - Denis Desmaële
- Instituto de Microelectrónica de Barcelona, IMB-CNM (CSIC) C/dels Tillers sn, Campus UAB 08193 Bellaterra Barcelona Spain
| | - Teresa Gea
- Universitat Autònoma de Barcelona (UAB) 08193 Bellaterra Barcelona Spain
| | - Raquel Barrena
- Universitat Autònoma de Barcelona (UAB) 08193 Bellaterra Barcelona Spain
| | - Neus Sabaté
- Instituto de Microelectrónica de Barcelona, IMB-CNM (CSIC) C/dels Tillers sn, Campus UAB 08193 Bellaterra Barcelona Spain
- Catalan Institution for Research and Advanced Studies (ICREA) Passeig Lluís Companys 23 08010 Barcelona Spain
| | - Juan Pablo Esquivel
- Instituto de Microelectrónica de Barcelona, IMB-CNM (CSIC) C/dels Tillers sn, Campus UAB 08193 Bellaterra Barcelona Spain
- BCMaterials, Basque Centre for Materials, Applications and Nanostructures, UPV/EHU Science Park 48940 Leioa Spain
- IKERBASQUE, Basque Foundation for Science 48009 Bilbao Spain
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32
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Di Tinno A, Cancelliere R, Mantegazza P, Cataldo A, Paddubskaya A, Ferrigno L, Kuzhir P, Maksimenko S, Shuba M, Maffucci A, Bellucci S, Micheli L. Sensitive Detection of Industrial Pollutants Using Modified Electrochemical Platforms. NANOMATERIALS 2022; 12:nano12101779. [PMID: 35631001 PMCID: PMC9142962 DOI: 10.3390/nano12101779] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 05/17/2022] [Accepted: 05/20/2022] [Indexed: 01/27/2023]
Abstract
Water pollution is nowadays a global problem and the effective detection of pollutants is of fundamental importance. Herein, a facile, efficient, robust, and rapid (response time < 2 min) method for the determination of important quinone-based industrial pollutants such as hydroquinone and benzoquinone is reported. The recognition method is based on the use of screen-printed electrodes as sensing platforms, enhanced with carbon-based nanomaterials. The enhancement is achieved by modifying the working electrode of such platforms through highly sensitive membranes made of Single- or Multi-Walled Carbon Nanotubes (SWNTs and MWNTs) or by graphene nanoplatelets. The modified sensing platforms are first carefully morphologically and electrochemically characterized, whereupon they are tested in the detection of different pollutants (i.e., hydroquinone and benzoquinone) in water solution, by using both cyclic and square-wave voltammetry. In particular, the sensors based on film-deposited nanomaterials show good sensitivity with a limit of detection in the nanomolar range (0.04 and 0.07 μM for SWNT- and MWNT-modified SPEs, respectively) and a linear working range of 10 to 1000 ppb under optimal conditions. The results highlight the improved performance of these novel sensing platforms and the large-scale applicability of this method for other analytes (i.e., toxins, pollutants).
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Affiliation(s)
- Alessio Di Tinno
- Department of Chemical Science and Technologies, University of Rome “Tor Vergata”, 00133 Rome, Italy; (A.D.T.); (R.C.); (P.M.)
| | - Rocco Cancelliere
- Department of Chemical Science and Technologies, University of Rome “Tor Vergata”, 00133 Rome, Italy; (A.D.T.); (R.C.); (P.M.)
| | - Pietro Mantegazza
- Department of Chemical Science and Technologies, University of Rome “Tor Vergata”, 00133 Rome, Italy; (A.D.T.); (R.C.); (P.M.)
| | - Antonino Cataldo
- DISPREV Laboratory, Casaccia Research Center, ENEA, 00185 Rome, Italy;
- National Institute of Nuclear Physics, Frascati National Laboratories, 00044 Frascati, Italy;
| | - Alesia Paddubskaya
- Institute for Nuclear Problems, Belarusian State University, 220007 Minsk, Belarus; (A.P.); (S.M.); (M.S.)
| | - Luigi Ferrigno
- Department of Electrical and Information Engineering, University of Cassino and Southern Lazio, 03043 Cassino, Italy; (L.F.); (A.M.)
| | - Polina Kuzhir
- Department of Physics and Mathematics, Institute of Photonics, University of Eastern Finland, 80200 Joensuu, Finland;
| | - Sergey Maksimenko
- Institute for Nuclear Problems, Belarusian State University, 220007 Minsk, Belarus; (A.P.); (S.M.); (M.S.)
| | - Mikhail Shuba
- Institute for Nuclear Problems, Belarusian State University, 220007 Minsk, Belarus; (A.P.); (S.M.); (M.S.)
| | - Antonio Maffucci
- National Institute of Nuclear Physics, Frascati National Laboratories, 00044 Frascati, Italy;
- Department of Electrical and Information Engineering, University of Cassino and Southern Lazio, 03043 Cassino, Italy; (L.F.); (A.M.)
| | - Stefano Bellucci
- National Institute of Nuclear Physics, Frascati National Laboratories, 00044 Frascati, Italy;
| | - Laura Micheli
- Department of Chemical Science and Technologies, University of Rome “Tor Vergata”, 00133 Rome, Italy; (A.D.T.); (R.C.); (P.M.)
- Correspondence:
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Ekpe OD, Choo G, Choi Y, Jeon J, Oh JE. Long-term degradation of toluene and phenol in soil: Identification of transformation products and pathways via HRMS-based suspect and non-target screening. JOURNAL OF HAZARDOUS MATERIALS 2022; 430:128429. [PMID: 35739654 DOI: 10.1016/j.jhazmat.2022.128429] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 01/25/2022] [Accepted: 02/02/2022] [Indexed: 06/15/2023]
Abstract
In this study, the long-term fate of toluene and phenol in the soil was investigated, and the transformation products (TPs) and pathways of these compounds were studied by a high resolution mass spectrometry (HRMS)-based suspect and non-target screening approach for the first time, and 9 and 12 transformation products were identified for toluene and phenol, respectively in the lab-exposed soil samples. Salicylaldehyde, 4-hydroxybenzaldehyde, and benzaldehyde were identified in toluene-contaminated field soil samples for the first time, and the main mechanisms involved in the biodegradation and detoxification of toluene and phenol in soil were oxidation, carboxylation, dehydroxylation, and ring fission amongst others. 2-oxoglutarate, TP165-A, TP165-B, TP172, and TP195 were identified as novel phenol transformation products, while salicylaldehyde, 2-oxoglutarate, TP165-A, and TP165-B were identified as novel toluene transformation products, providing new possible evidence for additional degradation pathways, which could give new insights into the fate of toluene and phenol during the natural attenuation process in the environment. Finally, salicylaldehyde, 4-OH-benzaldehyde, and 4-OH-benzoic acid which were detected at Level 1 identification confidence were suggested as indicator chemicals of toluene and phenol exposure in the contaminated field.
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Affiliation(s)
- Okon Dominic Ekpe
- Department of Civil and Environmental Engineering, Pusan National University, Busan 46241, Republic of Korea
| | - Gyojin Choo
- Department of Civil and Environmental Engineering, Pusan National University, Busan 46241, Republic of Korea; National Fishery Products Quality Management Service, Busan 51140, Republic of Korea
| | - Younghun Choi
- Department of Environmental Engineering, Changwon National University, Changwon, Republic of Korea
| | - Junho Jeon
- Department of Environmental Engineering, Changwon National University, Changwon, Republic of Korea.
| | - Jeong-Eun Oh
- Department of Civil and Environmental Engineering, Pusan National University, Busan 46241, Republic of Korea.
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Li RJ, Tian K, Li X, Gaikaiwari AR, Li Z. Engineering P450 Monooxygenases for Highly Regioselective and Active p-Hydroxylation of m-Alkylphenols. ACS Catal 2022. [DOI: 10.1021/acscatal.1c06011] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Ren-Jie Li
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore 117585, Singapore
- Synthetic Biology for Clinical and Technological Innovation (SynCTI), National University of Singapore, 28 Medical Drive, Singapore 117456, Singapore
| | - Kaiyuan Tian
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore 117585, Singapore
| | - Xirui Li
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore 117585, Singapore
| | - Anand Raghavendra Gaikaiwari
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore 117585, Singapore
| | - Zhi Li
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore 117585, Singapore
- Synthetic Biology for Clinical and Technological Innovation (SynCTI), National University of Singapore, 28 Medical Drive, Singapore 117456, Singapore
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35
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Zhang X, Linghu S, Chen Z, Gu H, Chen X, Wei X, Hu X, Yang Y, Gao Y. Bacterial diversity evolution process based on physicochemical characteristics of sludge treating hydroquinone during acclimation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:31686-31699. [PMID: 35001263 DOI: 10.1007/s11356-021-17325-5] [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: 07/02/2021] [Accepted: 10/29/2021] [Indexed: 06/14/2023]
Abstract
Hydroquinone is one of the main pollutants in coal-gasification wastewater, which is biologically toxic and difficult to remove. The aerobic biodegradation rate, organic toxicity, and microbial community structure at different acclimation stages of degradation of hydroquinone by activated sludge were investigated. In each acclimation cycle, the removal of hydroquinone reached 100% after 5 days, indicating that high-concentration hydroquinone in the activated sludge could be completely biodegraded. When the microbial flora was inhibited by the influent hydroquinone, the enzyme system experienced stress conditions and led to the secretion of secondary metabolites, extracellular protein of 5-10 kDa mainly contributing to the sludge organic toxicity. Microbial diversity analysis showed that with the increase of the concentration of hydroquinone, β-Proteus bacteria such as Azoarcus and Dechloromonas gradually accumulated, which improved the removal of hydroquinone with aerobic activated sludge in the sequencing batch reactor (SBR) system. As the inhibition degree exceeded the appropriate tolerance range of microorganisms, bacteria would secrete much more secondary metabolites, and the organic toxicity of sludge would reach a relatively high level.
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Affiliation(s)
- Xinyu Zhang
- National Engineering Laboratory for High-Concentration Refractory Organic Wastewater Treatment Technologies (NELHROWTT), East China University of Science and Technology, Shanghai, 200237, China
- Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai, 200237, China
| | - Shanshan Linghu
- National Engineering Laboratory for High-Concentration Refractory Organic Wastewater Treatment Technologies (NELHROWTT), East China University of Science and Technology, Shanghai, 200237, China
- Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai, 200237, China
| | - Zhichong Chen
- National Engineering Laboratory for High-Concentration Refractory Organic Wastewater Treatment Technologies (NELHROWTT), East China University of Science and Technology, Shanghai, 200237, China
- Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai, 200237, China
| | - Hao Gu
- National Engineering Laboratory for High-Concentration Refractory Organic Wastewater Treatment Technologies (NELHROWTT), East China University of Science and Technology, Shanghai, 200237, China
- Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai, 200237, China
| | - Xiurong Chen
- National Engineering Laboratory for High-Concentration Refractory Organic Wastewater Treatment Technologies (NELHROWTT), East China University of Science and Technology, Shanghai, 200237, China.
- Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai, 200237, China.
| | - Xiao Wei
- National Engineering Laboratory for High-Concentration Refractory Organic Wastewater Treatment Technologies (NELHROWTT), East China University of Science and Technology, Shanghai, 200237, China
- Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai, 200237, China
| | - Xueyang Hu
- National Engineering Laboratory for High-Concentration Refractory Organic Wastewater Treatment Technologies (NELHROWTT), East China University of Science and Technology, Shanghai, 200237, China
- Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai, 200237, China
| | - Yingying Yang
- National Engineering Laboratory for High-Concentration Refractory Organic Wastewater Treatment Technologies (NELHROWTT), East China University of Science and Technology, Shanghai, 200237, China
- Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai, 200237, China
| | - Yuqing Gao
- National Engineering Laboratory for High-Concentration Refractory Organic Wastewater Treatment Technologies (NELHROWTT), East China University of Science and Technology, Shanghai, 200237, China
- Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai, 200237, China
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Sabry N, Hussien MS, Yahia I. Eco-friendly synthesis of g-carbon nitride coated graphene nanocomposites for superior visible photodegradation of hydroquinone: Physicochemical mechanisms and photo-Fenton effect. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2021.113734] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Fuzhuan Brick Tea Boosts Melanogenesis and Prevents Hair Graying through Reduction of Oxidative Stress via NRF2- HO-1 Signaling. Antioxidants (Basel) 2022; 11:antiox11030599. [PMID: 35326249 PMCID: PMC8945210 DOI: 10.3390/antiox11030599] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 03/15/2022] [Accepted: 03/17/2022] [Indexed: 11/17/2022] Open
Abstract
The anti-graying effect of the hexane fraction of Fuzhuan brick tea is investigated in Melan-A cells and C57BL/6 mice. As a result, it is found that reactive oxygen species-induced damage is associated with the reduction of melanogenesis in hair bulb melanocytes when reactive oxygen species generation in Melan-A cells occurred. The results revealed that the hexane fraction of Fuzhuan brick tea could remarkably reduce reactive oxygen species generation in Melan-A cells; meanwhile, it could increase the cellular tyrosinase and melanin content, as well as up-regulate the expression of tyrosinase, tyrosinase related protein-1, tyrosinase related protein-2, and microphthalmia-associated transcription factor, and activate the MAP-kinase pathway through activating the phosphorylation of p38 c-Jun N terminal kinase/extracellular signal-regulated kinase. Furthermore, high-pressure liquid chromatography analysis reveals that the tea's major ingredients in hexane fraction include gallic acid, theaflavin, theobromine, caffeine, epicatechin, and quercetin. Together, the current results suggest that Fuzhuan brick tea proves to protect from the damage of hydroquinone, which induces hair pigment loss.
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38
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Evaluation of the Activation Procedure on Oxone Efficiency for Synthetic Olive Mill Wastewater Treatment. Catalysts 2022. [DOI: 10.3390/catal12030291] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Wastewater from the olive oil industry is an environmental problem which is growing in the Mediterranean region. Presence of phenolic compounds and high organic matter load are characteristics of this effluent that make it difficult to treat. In this study, the applicability of sulfate radical based advanced oxidation processes (SRbAOPs), using peroxymonosulfate (PMS) as oxidant, was evaluated in the treatment of synthetic olive mill wastewater (OMW). Different procedures for PMS activation were studied such as activation by Fe(II), radiation (visible and UV-A) and ultrasounds. The operation conditions were optimized by testing pH values, Fe(II) and PMS loads. At optimal conditions ([PMS] = 1600 mg/L, [Fe2+] = 700 mg/L and pH = 5) 60 ± 2% COD removal was achieved. This process shows to be selective since complete degradation of 3,4,5-trimetoxybenzoic acid was obtained after 3 min of reaction. The addition of light, PMS/LED/Fe(II) and PMS/UV-A/Fe(II), did not increase the efficiency of organic matter removal, with 56 ± 2% and 58 ± 1% of COD removal, respectively, comparatively to PMS/Fe(II) (60 ± 2%). PMS activated by ultrasounds led to 52 ± 3% and 23 ± 2% removal of phenolic compounds and COD, respectively, after 60 min. Toxicity tests using Lepidium sativum showed that treatment with PMS/UV-A led to a treated sample with mild inhibition of plant growth.
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Zhang X, Huang Z, Wang D, Zhang Y, Eser BE, Gu Z, Dai R, Gao R, Guo Z. A new thermophilic extradiol dioxygenase promises biodegradation of catecholic pollutants. JOURNAL OF HAZARDOUS MATERIALS 2022; 422:126860. [PMID: 34399224 DOI: 10.1016/j.jhazmat.2021.126860] [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] [Received: 04/10/2021] [Revised: 07/22/2021] [Accepted: 08/06/2021] [Indexed: 06/13/2023]
Abstract
Extradiol dioxygenases (EDOs) catalyze the meta cleavage of catechol into 2-hydroxymuconaldehyde, a critical step in the degradation of aromatic compounds in the environment. In the present work, a novel thermophilic extradiol dioxygenase from Thermomonospora curvata DSM43183 was cloned, expressed, and characterized by phylogenetic and biochemical analyses. This enzyme exhibited excellent thermo-tolerance, displaying optimal activity at 50 °C, remaining >40% activity at 70 °C. Structural modeling and molecular docking demonstrated that both active center and pocket-construction loops locate at the C-terminal domain. Site-specific mutants D285A, H205V, F301V based on a rational design were obtained to widen the entrance of substrates; resulting in significantly improved catalytic performance for all the 3 mutants. Compared to the wild-type, the mutant D285A showed remarkably improved activities with respect to the 3,4-dihydroxyphenylacetic acid, catechol, and 3-chlorocatechol, by 17.7, 6.9, and 3.7-fold, respectively. The results thus verified the effectiveness of modeling guided design; and confirmed that the C-terminal loop structure indeed plays a decisive role in determining catalytic ring-opening efficiency and substrate specificity of the enzyme. This study provided a novel thermostable dioxygenase with a broad substrate promiscuity for detoxifying environmental pollutants and provided a new thinking for further enzyme engineering of EDOs.
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Affiliation(s)
- Xiaowen Zhang
- Key Laboratory for Molecular Enzymology and Engineering, The Ministry of Education, School of life Science, Jilin University, Changchun 130021, China; Department of Biological and Chemical Engineering, Faculty of Technical Sciences, Aarhus University, Gustav Wieds Vej 10, Aarhus 8000, Denmark
| | - Zihao Huang
- Key Laboratory for Molecular Enzymology and Engineering, The Ministry of Education, School of life Science, Jilin University, Changchun 130021, China
| | - Dan Wang
- Key Laboratory for Molecular Enzymology and Engineering, The Ministry of Education, School of life Science, Jilin University, Changchun 130021, China
| | - Yan Zhang
- Department of Biological and Chemical Engineering, Faculty of Technical Sciences, Aarhus University, Gustav Wieds Vej 10, Aarhus 8000, Denmark
| | - Bekir Engin Eser
- Department of Biological and Chemical Engineering, Faculty of Technical Sciences, Aarhus University, Gustav Wieds Vej 10, Aarhus 8000, Denmark
| | - Zhenyu Gu
- Key Laboratory for Molecular Enzymology and Engineering, The Ministry of Education, School of life Science, Jilin University, Changchun 130021, China
| | - Rongrong Dai
- Department of Biological and Chemical Engineering, Faculty of Technical Sciences, Aarhus University, Gustav Wieds Vej 10, Aarhus 8000, Denmark
| | - Renjun Gao
- Key Laboratory for Molecular Enzymology and Engineering, The Ministry of Education, School of life Science, Jilin University, Changchun 130021, China.
| | - Zheng Guo
- Department of Biological and Chemical Engineering, Faculty of Technical Sciences, Aarhus University, Gustav Wieds Vej 10, Aarhus 8000, Denmark.
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Verma S, Pandey CM, Kumar D. A highly efficient rGO grafted MoS 2 nanocomposite for dye adsorption and electrochemical detection of hydroquinone in wastewater. NEW J CHEM 2022. [DOI: 10.1039/d2nj04285a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Scheme depicting the synthesis and the fabrication of rGO–MoS2 nanocomposite-based enzymatic biosensor for estimation of hydroquinone.
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Affiliation(s)
- Sakshi Verma
- Department of Applied Chemistry, Delhi Technological University, Delhi-110042, India
| | - Chandra Mouli Pandey
- Department of Chemistry, Faculty of Science, SGT University, Gurugram, Haryana-122505, India
| | - D. Kumar
- Department of Applied Chemistry, Delhi Technological University, Delhi-110042, India
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41
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Hu K, Li J, Han Y, Ng DHL, Xing N, Lyu Y. A colorimetric detection strategy and micromotor-assisted photo-Fenton like degradation for hydroquinone based on the peroxidase-like activity of Co 3O 4–CeO 2 nanocages. Catal Sci Technol 2022. [DOI: 10.1039/d2cy01192a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Co3O4–CeO2 micromotors were fabricated and the colorimetric detection and micromotor-assisted photodegradation capability were studied.
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Affiliation(s)
- Kaiyuan Hu
- School of Material Science and Engineering, University of Jinan, Jinan, 250022, China
| | - Jia Li
- School of Material Science and Engineering, University of Jinan, Jinan, 250022, China
| | - Yang Han
- School of Material Science and Engineering, University of Jinan, Jinan, 250022, China
| | - Dickon H. L. Ng
- School of Science and Engineering, The Chinese University of Hong Kong (Shenzhen), Shenzhen, China
| | - Ningning Xing
- School of Material Science and Engineering, University of Jinan, Jinan, 250022, China
| | - Yangsai Lyu
- Department of Mathematics and Statistics, Queen's University, Canada
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42
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AkbarBandari F, Zabihi M, Fatehifar E. Remarkable adsorption of hydroquinone as an anion contaminant by using the magnetic supported bimetallic (NiCu-MOF@MAC) nanocomposites in aqueous solutions. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:69272-69285. [PMID: 34296402 DOI: 10.1007/s11356-021-15295-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 06/30/2021] [Indexed: 06/13/2023]
Abstract
The purposes of this work were to synthesize the core-shell magnetic and nonmagnetic supported bimetallic metal-organic frameworks (MOFs) on the walnut-based activated carbon by the facile preparation method to investigate the feasibility of the performance adsorption of hydroquinone in the aqueous solutions. Activated carbon as a substrate and nickel, copper, and trimesic acid were employed in the structure of the prepared MOFs. The adsorbents were characterized by XRD, FTIR, FESEM, EDX, TEM, BET, and VSM analysis. The goethite and magnetite phases were detected in the morphology of the magnetic adsorbent as confirmed by the XRD pattern. Increases in the pH value from 6 and the adsorption temperature led to a lower adsorption capacity of the samples. The maximum adsorption capacity for the well-dispersed nanoparticles of magnetic (NiCu-MOF@MAC and nonmagnetic (NiCu-MOF@AC) was calculated to be 303.03 and 454.54 mg/g by using linear Langmuir isotherm as an appropriate model, respectively. The achievements from the reusability evaluation illustrated that the magnetic bimetallic MOF nanocomposite could successfully be applied to remove hydroquinone from the wastewater on an industrial scale. The kinetic experimental data was in good agreement with the pseudo-second-order model.
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Affiliation(s)
- Fatemeh AkbarBandari
- Chemical Engineering Faculty, Sahand University of Technology, P.O. Box 51335-1996, Sahand New Town, Tabriz, Iran
| | - Mohammad Zabihi
- Chemical Engineering Faculty, Sahand University of Technology, P.O. Box 51335-1996, Sahand New Town, Tabriz, Iran.
| | - Esmaeil Fatehifar
- Chemical Engineering Faculty, Sahand University of Technology, P.O. Box 51335-1996, Sahand New Town, Tabriz, Iran
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43
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Molnár M, Hoffer A, Krisch J, Földényi R, Rauch R, Horváth O. Biodegradation of two persistent aromatic compounds by using oil shale. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2021; 56:909-924. [PMID: 34543168 DOI: 10.1080/03601234.2021.1976543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Low-cost oil shale was investigated as a biodegradation promoter material, in order to exploit its potential for more widespread and efficient usage in the elimination of pollution. Degradation of two model pollutants, 4-nitrophenol and phenol, was examined in the presence of oil shale in a batch system. In order to investigate the role of the natural microflora of the oil shale in degradation, sodium azide was added to inhibit microbial growth. The effect of metal ions was also investigated. In the sodium azide-free solutions the model pollutants were completely degraded up to 2000 µmol/L concentration in a dose-dependent way, while the addition of sodium azide delayed greatly but did not stop the degradation. Manganese(II) ions increased the rate of the degradation of 4-nitrophenol, and given quantities of iron(II), manganese(II) or zinc(II) ions were also effective in degradation of phenol. Our results suggest that oil shale is not only an adsorbent but has an active role in the degradation of pollutants by its natural microflora. Utilizing these features of oil shale, it is a suitable candidate as an ameliorating agent, which can also be used in industrial size.
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Affiliation(s)
- Miklós Molnár
- Soós Ernő Water Technology Research and Development Center, University of Pannonia, Veszprém, Hungary
| | - András Hoffer
- MTA-PE Air Chemistry Research Group, University of Pannonia, Veszprém, Hungary
| | - Judit Krisch
- Institute of Food Engineering, University of Szeged, Szeged, Hungary
| | - Rita Földényi
- Soós Ernő Water Technology Research and Development Center, University of Pannonia, Veszprém, Hungary
| | - Renáta Rauch
- Research Institute of Bio-Nanotechnology and Chemical Engineering, University of Pannonia, Veszprém, Hungary
| | - Ottó Horváth
- Department of General and Inorganic Chemistry, Center for Natural Sciences, University of Pannonia, Veszprém, Hungary
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Huang R, Zhang M, Zheng Z, Wang K, Liu X, Chen Q, Luo D. Photocatalytic Degradation of Tobacco Tar Using CsPbBr3 Quantum Dots Modified Bi2WO6 Composite Photocatalyst. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:2422. [PMID: 34578738 PMCID: PMC8472219 DOI: 10.3390/nano11092422] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 09/07/2021] [Accepted: 09/14/2021] [Indexed: 11/16/2022]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) in tobacco tar are regarded as a significant threat to human health. PAHs are formed due to the incomplete combustion of organics in tobacco and cigarette paper. Herein, for the first time, we extended the application of CsPbBr3 quantum dots (CsPbBr3) to the photocatalytic degradation of tobacco tar, which was collected from used cigarette filters. To optimize the photoactivity, CsPbBr3 was coupled with Bi2WO6 for the construction of a type-II photocatalyst. The photocatalytic performance of the CsPbBr3/Bi2WO6 composite was evaluated by the degradation rate of PAHs from tobacco tar under simulated solar irradiation. The results revealed that CsPbBr3/Bi2WO6 possesses a large specific surface area, outstanding absorption ability, good light absorption and rapid charge separation. As a result, in addition to good stability, the composite photocatalyst performed remarkably well in degrading PAHs (over 96% were removed in 50 mins of irradiation by AM 1.5 G). This study sheds light on promising novel applications of halide perovskite.
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Affiliation(s)
- Runda Huang
- School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China; (R.H.); (Z.Z.); (Q.C.)
| | - Menglong Zhang
- Institute of Semiconductors, South China Normal University, Guangzhou 510631, China
| | - Zhaoqiang Zheng
- School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China; (R.H.); (Z.Z.); (Q.C.)
| | - Kunqiang Wang
- School of Chemistry and Chemical Engineering, Institute of Clean Energy and Materials, Guangzhou Key Laboratory for Clean Energy and Materials, Huangpu Hydrogen Innovation Center, Guangzhou University, Guangzhou 510006, China;
| | - Xiao Liu
- Institute of Semiconductors, South China Normal University, Guangzhou 510631, China
| | - Qizan Chen
- School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China; (R.H.); (Z.Z.); (Q.C.)
| | - Dongxiang Luo
- School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China; (R.H.); (Z.Z.); (Q.C.)
- School of Chemistry and Chemical Engineering, Institute of Clean Energy and Materials, Guangzhou Key Laboratory for Clean Energy and Materials, Huangpu Hydrogen Innovation Center, Guangzhou University, Guangzhou 510006, China;
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45
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Targeting Lysosomes to Reverse Hydroquinone-Induced Autophagy Defects and Oxidative Damage in Human Retinal Pigment Epithelial Cells. Int J Mol Sci 2021; 22:ijms22169042. [PMID: 34445748 PMCID: PMC8396439 DOI: 10.3390/ijms22169042] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 08/19/2021] [Accepted: 08/19/2021] [Indexed: 01/09/2023] Open
Abstract
In age-related macular degeneration (AMD), hydroquinone (HQ)-induced oxidative damage in retinal pigment epithelium (RPE) is believed to be an early event contributing to dysregulation of inflammatory cytokines and vascular endothelial growth factor (VEGF) homeostasis. However, the roles of antioxidant mechanisms, such as autophagy and the ubiquitin-proteasome system, in modulating HQ-induced oxidative damage in RPE is not well-understood. This study utilized an in-vitro AMD model involving the incubation of human RPE cells (ARPE-19) with HQ. In comparison to hydrogen peroxide (H2O2), HQ induced fewer reactive oxygen species (ROS) but more oxidative damage as characterized by protein carbonyl levels, mitochondrial dysfunction, and the loss of cell viability. HQ blocked the autophagy flux and increased proteasome activity, whereas H2O2 did the opposite. Moreover, the lysosomal membrane-stabilizing protein LAMP2 and cathepsin D levels declined with HQ exposure, suggesting loss of lysosomal membrane integrity and function. Accordingly, HQ induced lysosomal alkalization, thereby compromising the acidic pH needed for optimal lysosomal degradation. Pretreatment with MG132, a proteasome inhibitor and lysosomal stabilizer, upregulated LAMP2 and autophagy and prevented HQ-induced oxidative damage in wildtype RPE cells but not cells transfected with shRNA against ATG5. This study demonstrated that lysosomal dysfunction underlies autophagy defects and oxidative damage induced by HQ in human RPE cells and supports lysosomal stabilization with the proteasome inhibitor MG132 as a potential remedy for oxidative damage in RPE and AMD.
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46
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Kyrila G, Katsoulas A, Schoretsaniti V, Rigopoulos A, Rizou E, Doulgeridou S, Sarli V, Samanidou V, Touraki M. Bisphenol A removal and degradation pathways in microorganisms with probiotic properties. JOURNAL OF HAZARDOUS MATERIALS 2021; 413:125363. [PMID: 33592490 DOI: 10.1016/j.jhazmat.2021.125363] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 02/05/2021] [Accepted: 02/05/2021] [Indexed: 06/12/2023]
Abstract
Bisphenol-A (BPA) is a constituent of polycarbonate plastics and epoxy resins, widely applied on food packaging materials. As BPA exposure results in health hazards, its efficient removal is of crucial importance. In our study five potentially probiotic microorganisms, namely Lactococcus lactis, Bacillus subtilis, Lactobacillus plantarum, Enterococcus faecalis, and Saccharomyces cerevisiae, were tested for their toxicity tolerance to BPA and their BPA removal ability. Although BPA toxicity, evident on all microorganisms, presented a correlation to both BPA addition time and its concentration, all strains exhibited BPA-removal ability with increased removal rate between 0 and 24 h of incubation. BPA degradation resulted in the formation of two dimer products in cells while the compounds Hydroquinone (HQ), 4-Hydroxyacetophenone (HAP), 4-Hydroxybenzoic acid (HBA) and 4-Isopropenylphenol (PP) were identified in the culture medium. In the proposed BPA degradation pathways BPA adducts formation appears as a common pattern, while BPA decomposition as well as the formation, and the levels of its end products present differences among microorganisms. The BPA degradation ability of the tested beneficial microorganisms demonstrates their potential application in the bioremediation of BPA contaminated foods and feeds and provides a means to suppress the adverse effects of BPA on human and animal health.
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Affiliation(s)
- Gloria Kyrila
- Laboratory of General Biology, Division of Genetics, Development and Molecular Biology, School of Biology, Faculty of Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Antonis Katsoulas
- Laboratory of General Biology, Division of Genetics, Development and Molecular Biology, School of Biology, Faculty of Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Vasiliki Schoretsaniti
- Laboratory of General Biology, Division of Genetics, Development and Molecular Biology, School of Biology, Faculty of Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Angelos Rigopoulos
- Laboratory of General Biology, Division of Genetics, Development and Molecular Biology, School of Biology, Faculty of Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Eleftheria Rizou
- Laboratory of General Biology, Division of Genetics, Development and Molecular Biology, School of Biology, Faculty of Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Savvoula Doulgeridou
- Laboratory of General Biology, Division of Genetics, Development and Molecular Biology, School of Biology, Faculty of Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Vasiliki Sarli
- Organic Chemistry Laboratory, Department of Organic Chemistry and Biochemistry, School of Chemistry, Faculty of Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Victoria Samanidou
- Laboratory of Analytical Chemistry, Department of Physical, Analytical and Environmental Chemistry, School of Chemistry, Faculty of Sciences, Aristotle University of Thessaloniki (A.U.TH.), 54124 Thessaloniki, Greece
| | - Maria Touraki
- Laboratory of General Biology, Division of Genetics, Development and Molecular Biology, School of Biology, Faculty of Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece.
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Poirier W, Ravenel K, Bouchara JP, Giraud S. Lower Funneling Pathways in Scedosporium Species. Front Microbiol 2021; 12:630753. [PMID: 34276578 PMCID: PMC8283699 DOI: 10.3389/fmicb.2021.630753] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Accepted: 06/10/2021] [Indexed: 11/17/2022] Open
Abstract
Lignin, a natural polyaromatic macromolecule, represents an essential component of the lignocellulose biomass. Due to its complexity, the natural degradation of this molecule by microorganisms still remains largely misunderstood. Extracellular oxidative degradation is followed by intracellular metabolic degradation of conserved aromatic intermediate compounds (protocatechuate, catechol, hydroxyquinol, and gentisic acid) that are used as carbon and energy sources. The lower funneling pathways are characterized by the opening of the aromatic ring of these molecules through dioxygenases, leading to degradation products that finally enter into the tricarboxylic acid (TCA) cycle. In order to better understand the adaptation mechanisms of Scedosporium species to their environment, these specific catabolism pathways were studied. Genes encoding ring-cleaving dioxygenases were identified in Scedosporium genomes by sequence homology, and a bioinformatic analysis of the organization of the corresponding gene clusters was performed. In addition, these predictions were confirmed by evaluation of the expression level of the genes of the gentisic acid cluster. When the fungus was cultivated in the presence of lignin or gentisic acid as sole carbon source, experiments revealed that the genes of the gentisic acid cluster were markedly overexpressed in the two Scedosporium species analyzed (Scedosporium apiospermum and Scedosporium aurantiacum). Only the gene encoding a membrane transporter was not overexpressed in the gentisic acid-containing medium. Together, these data suggest the involvement of the lower funneling pathways in Scedosporium adaptation to their environment.
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Affiliation(s)
- Wilfried Poirier
- UNIV Angers, UNIV Brest, Groupe d'Etude des Interactions Hôte-Pathogène (GEIHP), SFR ICAT, Angers, France
| | - Kevin Ravenel
- UNIV Angers, UNIV Brest, Groupe d'Etude des Interactions Hôte-Pathogène (GEIHP), SFR ICAT, Angers, France
| | - Jean-Philippe Bouchara
- UNIV Angers, UNIV Brest, Groupe d'Etude des Interactions Hôte-Pathogène (GEIHP), SFR ICAT, Angers, France
| | - Sandrine Giraud
- UNIV Angers, UNIV Brest, Groupe d'Etude des Interactions Hôte-Pathogène (GEIHP), SFR ICAT, Angers, France
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Gao J, Xiong K, Zhou W, Li W. Extensive Metabolite Profiling in the Unexploited Organs of Black Tiger for Their Potential Valorization in the Pharmaceutical Industry. Life (Basel) 2021; 11:544. [PMID: 34200589 PMCID: PMC8229443 DOI: 10.3390/life11060544] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 05/31/2021] [Accepted: 06/08/2021] [Indexed: 11/17/2022] Open
Abstract
Black tiger (Kadsura coccinea (Lem.)) has been reported to hold enormous pharmaceutical potential. The fruit and rhizome of black tiger are highly exploited in the pharmaceutical and other industries. However, the most important organs from the plant such as the leaf and stem are considered biowastes mainly because a comprehensive metabolite profile has not been reported in these organs. Knowledge of the metabolic landscape of the unexploited black tiger organs could help identify and isolate important compounds with pharmaceutical and nutritional values for a better valorization of the species. In this study, we used a widely targeted metabolomics approach to profile the metabolomes of the K. coccinea leaf (KL) and stem (KS) and compared them with the root (KR). We identified 642, 650 and 619 diverse metabolites in KL, KS and KR, respectively. A total of 555 metabolites were mutually detected among the three organs, indicating that the leaf and stem organs may also hold potential for medicinal, nutritional and industrial applications. Most of the differentially accumulated metabolites between organs were enriched in flavone and flavonol biosynthesis, phenylpropanoid biosynthesis, arginine and proline metabolism, arginine biosynthesis, tyrosine metabolism and 2-oxocarboxylic acid metabolism pathways. In addition, several important organ-specific metabolites were detected in K. coccinea. In conclusion, we provide extensive metabolic information to stimulate black tiger leaf and stem valorization in human healthcare and food.
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Affiliation(s)
- Jianfei Gao
- Institute of Mountain Resources, Guizhou Academy of Sciences, Guiyang 550001, China; (J.G.); (W.L.)
| | - Kangning Xiong
- State Engineering Technology Institute for Karst Desertification Control of China, School of Karst Science, Guizhou Normal University, Guiyang 550001, China
| | - Wei Zhou
- Guizhou Industry Polytechnic College, Guiyang 550008, China;
| | - Weijie Li
- Institute of Mountain Resources, Guizhou Academy of Sciences, Guiyang 550001, China; (J.G.); (W.L.)
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Mittal N, Ojanguren A, Niederberger M, Lizundia E. Degradation Behavior, Biocompatibility, Electrochemical Performance, and Circularity Potential of Transient Batteries. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:2004814. [PMID: 34194934 PMCID: PMC8224425 DOI: 10.1002/advs.202004814] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 03/02/2021] [Indexed: 05/08/2023]
Abstract
Transient technology seeks the development of materials, devices, or systems that undergo controlled degradation processes after a stable operation period, leaving behind harmless residues. To enable externally powered fully transient devices operating for longer periods compared to passive devices, transient batteries are needed. Albeit transient batteries are initially intended for biomedical applications, they represent an effective solution to circumvent the current contaminant leakage into the environment. Transient technology enables a more efficient recycling as it enhances material retrieval rates, limiting both human and environmental exposures to the hazardous pollutants present in conventional batteries. Little efforts are focused to catalog and understand the degradation characteristics of transient batteries. As the energy field is a property-driven science, not only electrochemical performance but also their degradation behavior plays a pivotal role in defining the specific end-use applications. The state-of-the-art transient batteries are critically reviewed with special emphasis on the degradation mechanisms, transiency time, and biocompatibility of the released degradation products. The potential of transient batteries to change the current paradigm that considers batteries as harmful waste is highlighted. Overall, transient batteries are ready for takeoff and hold a promising future to be a frontrunner in the uptake of circular economy concepts.
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Affiliation(s)
- Neeru Mittal
- Laboratory for Multifunctional MaterialsDepartment of MaterialsETH ZürichVladimir‐Prelog‐Weg 5Zürich8093Switzerland
| | - Alazne Ojanguren
- Laboratory for Multifunctional MaterialsDepartment of MaterialsETH ZürichVladimir‐Prelog‐Weg 5Zürich8093Switzerland
| | - Markus Niederberger
- Laboratory for Multifunctional MaterialsDepartment of MaterialsETH ZürichVladimir‐Prelog‐Weg 5Zürich8093Switzerland
| | - Erlantz Lizundia
- Laboratory for Multifunctional MaterialsDepartment of MaterialsETH ZürichVladimir‐Prelog‐Weg 5Zürich8093Switzerland
- Life Cycle Thinking GroupDepartment of Graphic Design and Engineering ProjectsFaculty of Engineering in BilbaoUniversity of the Basque Country (UPV/EHU)Bilbao48013Spain
- BCMaterialsBasque Center for MaterialsApplications and NanostructuresUPV/EHU Science ParkLeioa48940Spain
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Zharikova NV, Iasakov TR, Zhurenko EI, Korobov VV, Markusheva TV. Plasmids of the Chlorophenoxyacetic-Acid Degradation of Bacteria of the Genus Raoultella. APPL BIOCHEM MICRO+ 2021. [DOI: 10.1134/s0003683821030157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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