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Yang X, Wang Z, Xu J, Zhang C, Gao P, Zhu L. Effects of dissolved organic matter on the environmental behavior and toxicity of metal nanomaterials: A review. CHEMOSPHERE 2024; 358:142208. [PMID: 38704042 DOI: 10.1016/j.chemosphere.2024.142208] [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: 02/23/2024] [Revised: 04/28/2024] [Accepted: 04/29/2024] [Indexed: 05/06/2024]
Abstract
Metal nanomaterials (MNMs) have been released into the environment during their usage in various products, and their environmental behaviors directly impact their toxicity. Numerous environmental factors potentially affect the behaviors and toxicity of MNMs with dissolved organic matter (DOM) playing the most essential role. Abundant facts showing contradictory results about the effects of DOM on MNMs, herein the occurrence of DOM on the environmental process change of MNMs such as dissolution, dispersion, aggregation, and surface transformation were summarized. We also reviewed the effects of MNMs on organisms and their mechanisms in the environment such as acute toxicity, oxidative stress, oxidative damage, growth inhibition, photosynthesis, reproductive toxicity, and malformation. The presence of DOM had the potential to reduce or enhance the toxicity of MNMs by altering the reactive oxygen species (ROS) generation, dissolution, stability, and electrostatic repulsion of MNMs. Furthermore, we summarized the factors that affected different toxicity including specific organisms, DOM concentration, DOM types, light conditions, detection time, and production methods of MNMs. However, the more detailed mechanism of interaction between DOM and MNMs needs further investigation.
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Affiliation(s)
- Xiaoqing Yang
- School of Environment & Ecology, Jiangnan University, Wuxi 214122, China
| | - Zhangjia Wang
- School of Environment & Ecology, Jiangnan University, Wuxi 214122, China
| | - Jiake Xu
- School of Environment & Ecology, Jiangnan University, Wuxi 214122, China
| | - Cheng Zhang
- School of Environment & Ecology, Jiangnan University, Wuxi 214122, China.
| | - Peng Gao
- Department of Environmental and Occupational Health, and Department of Civil and Environmental Engineering, University of Pittsburgh, Pittsburgh, PA, 15261, United States
| | - Lusheng Zhu
- College of Resources and Environment, Key Laboratory of Agricultural Environment in Universities of Shandong, Shandong Agricultural University, Taian 271018, China
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Soltani Nejad M, Najafabadi NS, Aghighi S, Zargar M, Bayat M, Pakina E. Green synthesis of silver nanoparticles by sweet cherry and its application against cherry spot disease. Heliyon 2024; 10:e31508. [PMID: 38813185 PMCID: PMC11133914 DOI: 10.1016/j.heliyon.2024.e31508] [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: 02/07/2024] [Revised: 05/14/2024] [Accepted: 05/16/2024] [Indexed: 05/31/2024] Open
Abstract
Asia has a rich history of cultivating sweet cherries, a practice that has been carried out since ancient times. However, the effective management of Alternaria disease in sweet cherry crops has presented a formidable challenge, resulting in notable decreases in yield. Various attempts have been made to employ both chemical and biological treatments; however, their effectiveness has been restricted. In order to tackle this problem, an investigation was carried out, with the primary objective of isolating and identifying Alternaria isolates that are accountable for the occurrence of sweet cherry soft spot rot. Out of the twelve isolates examined, the CHM-4 isolate was found to be the most pathogenic. Its identification was achieved through the use of the ITS genomic region (ITS1 and ITS4), and the BLAST results revealed a 95 % similarity with Alternaria alternata (MG744381.1). The objective of the research was to explore the potential of silver nanoparticles (SNPs) synthesized by phytosynthesis as a novel antifungal agent to combat sweet cherry soft spot pathogenicity. The biosynthesis of SNPs was carried out using sweet cherry fruits kernel exudate, which served as an environmentally friendly source. The exudates exhibited the ability to produce nanoparticles with an average size of 24.97 nm. Analysis conducted using a transmission electron microscope (TEM) revealed the multifaceted structure of these nanoparticles. Furthermore, when tested at concentrations of 5, 10, 20, and 40 μg/ml, these biosynthetic nanoparticles demonstrated the capability to inhibit the growth of Alternaria fungi and effectively destroy fungal hyphae. It is advisable to utilize diverse components of sweet cherry for the synthesis of various nanoparticles owing to their compatibility with the surrounding environment.
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Affiliation(s)
- Meysam Soltani Nejad
- Department of Plant Protection, Faculty of Agriculture, Shahid Bahonar University of Kerman, Kerman, 7616914111, Iran
| | - Neda Samandari Najafabadi
- Department of Plant Protection, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, 9177948978, Iran
| | - Sonia Aghighi
- Research and Technology Institute of Plant Production, Afzalipour Research Institute, Shahid Bahonar University of Kerman, Kerman, 7616914111, Iran
| | - Meisam Zargar
- Department of Agrobiotechnology, Institute of Agriculture, RUDN University, 117198, Moscow, Russia
| | - Maryam Bayat
- Department of Agrobiotechnology, Institute of Agriculture, RUDN University, 117198, Moscow, Russia
| | - Elena Pakina
- Department of Agrobiotechnology, Institute of Agriculture, RUDN University, 117198, Moscow, Russia
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Hussain A, Saeed A. Hazardous or Advantageous: Uncovering the Roles of Heavy Metals and Humic Substances in Shilajit (Phyto-mineral) with Emphasis on Heavy Metals Toxicity and Their Detoxification Mechanisms. Biol Trace Elem Res 2024:10.1007/s12011-024-04109-4. [PMID: 38393486 DOI: 10.1007/s12011-024-04109-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Accepted: 02/14/2024] [Indexed: 02/25/2024]
Abstract
Shilajit is a phyto-mineral diffusion and semi-solid matter used as traditional medicine with extraordinary health benefits. This study provides a comprehensive data on Shilajit with emphasis on heavy metal profile, associated toxicities, and metal detoxification mechanisms by humic substances present in Shilajit. Data was searched across papers and traditional books using Google Scholar, PubMed, Science Direct, Medline, SciELO, Web of Science, and Scopus as key scientific databases. Findings showed that Shilajit is distributed in almost 20 regions of the world with uses against 20 health problems as traditional medicine. With various humic substances, almost 11 biological activities were reported in Shilajit. This phyto-mineral diffusion possesses around 65 heavy metals including the toxic heavy metals like Cu, Al, Pb, As, Cd, and Hg. However, humic substances in Shilajit actively detoxify around 12 heavy metals. The recommended levels of heavy metals by WHO and FDA in herbal drugs is 0.20 and 0.30 ppm for Cd, 1 ppm for Hg, 10.00 ppm for As and Pb, 20 ppm for Cu, and 50 ppm for Zn. The levels of reported metals in Shilajit were found to be lower than the permissible limits set by WHO and FDA, except in few studies where exceeded levels were reported. Shilajit consumption without knowing permissible levels of metals is not safe and could pose serious health problems. Although the humic substances and few metals in Shilajit are beneficial in terms of chelating toxic heavy metals, the data on metal detoxification still needs to be clarified.
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Affiliation(s)
- Adil Hussain
- Food and Biotechnology Research Centre, Pakistan Council of Scientific and Industrial Research (PCSIR) Laboratories Complex, Ferozepur Road, Lahore, 54600, Punjab, Pakistan.
| | - Asma Saeed
- Food and Biotechnology Research Centre, Pakistan Council of Scientific and Industrial Research (PCSIR) Laboratories Complex, Ferozepur Road, Lahore, 54600, Punjab, Pakistan
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Luo X, Zhang Y, Wang Y, Chen Q, Tu J, He M, Zhang J, Wu Y. Exploring the environmental factor fulvic acid attenuates the ecotoxicity of graphene oxide under food delivery exposure. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 270:115893. [PMID: 38154154 DOI: 10.1016/j.ecoenv.2023.115893] [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: 10/04/2023] [Revised: 12/15/2023] [Accepted: 12/24/2023] [Indexed: 12/30/2023]
Abstract
There is limited understanding of nanoparticle potential ecotoxicity, particularly regarding the influence of environmental factors that can be transferred through the food chain. Here, we assessed the transfer behavior and the ecotoxicity of commercially manufactured graphene oxide nano-materials (GO, <100 nm) in a food chain perspective spanning from Escherichia coli (E. coli) to Caenorhabditis elegans (C. elegans) under simulated environmental conditions. Our findings revealed that E. coli preyed upon GO, subsequently transferring it to C. elegans, with a discernible distribution of GO observed in the digestive system and reproductive system. Accumulated GO generated serious ecological consequences for the higher level of the food chain (C. elegans). More importantly, GO and the resulting injurious effects of germ cells could be transferred to the next generation, indicating that GO exposure could cause genetic damage across generations. Previous research has demonstrated that GO can induce degradation of both the inner and outer cell membranes of E. coli, which is then transmitted to C. elegans through the food chain. Additionally, fulvic acid (FA) possesses various functional groups that enable interaction with nanomaterials. Our findings indicated that these interactions could mitigate ecotoxicity caused by GO exposure via food delivery, and this approach could be extended to modify GO in a way that significantly reduced its toxic effects without compromising performance. These results highlighted how environmental factors could attenuate ecological risks associated with nanomaterial transmission through the food chain.
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Affiliation(s)
- Xun Luo
- School of Biological Engineering, Huainan Normal University, PR China
| | - Yajun Zhang
- Key Laboratory of Industrial Dust Prevention and Control & Occupational Health and Safety, Ministry of Education, PR China; Medicine School, Anhui University of Science & Technology, PR China.
| | - Yun Wang
- School of Biological Engineering, Huainan Normal University, PR China.
| | - Qianduo Chen
- School of Biological Engineering, Huainan Normal University, PR China
| | - Junfang Tu
- School of Biological Engineering, Huainan Normal University, PR China
| | - Mei He
- School of Biological Engineering, Huainan Normal University, PR China
| | - Jiaming Zhang
- School of Biological Engineering, Huainan Normal University, PR China
| | - Yu Wu
- School of Biological Engineering, Huainan Normal University, PR China
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Huang C, Feng X, Yue S, Jia L, Wang K, Zhou W, Qiao Y. Impact of progressively cumulative exposure of AgNPs on earthworms (Eisenia fetida) and implication for eco-toxicological risk assessment. CHEMOSPHERE 2023; 322:138163. [PMID: 36804250 DOI: 10.1016/j.chemosphere.2023.138163] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 02/13/2023] [Accepted: 02/14/2023] [Indexed: 06/18/2023]
Abstract
Hazardous pollutants released into the real environment mostly own long-lasting cumulative characteristics and have progressively negative impacts on organisms, which are always neglected in laboratory toxicological tests. Here in this study, the different ecotoxicity of Ag nanoparticles (AgNPs) on earthworm Eisenia fetida was compared via various endpoints and transcriptional sequencing between the 28-day progressively repeated (from 60 to 80, final 100 mg/kg) and one-step (directly to 100 mg/kg) exposure. The results showed that earthworms under progressively repeated exposure showed significantly less biomass loss and reproductive inhibition, as well as lower Ag bioaccumulation (15.6 mg/kg) compared with one-step exposure (17.9 mg/kg). The increases in enzyme activities (superoxide enzyme and catalase) and gene expression (metallothionein) also implied higher antioxidant and genetic toxicity in one-step exposed earthworms compared with those from progressively repeated exposure. Furthermore, the transcriptomic analysis identified 582 and 854 differentially expressed genes in the treatments of one-step and repeated exposure respectively compared with the control group. The results of pathway annotation and classification suggested similar enrichments of damage induction but different in toxic stress responses, whereas earthworms from repeated exposure possessed more detoxification-related pathways like translation and multicellular organismal processes. This study innovatively took into account the impacts of processive exposure occurring in the real environment and elucidated distinctions of toxicity and adaptation caused by different exposure patterns, which provided the theoretical basis for real risk identification under the framework and guidance of traditional toxicology, also the implication for the improvement of eco-toxicological risk assessment.
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Affiliation(s)
- Caide Huang
- College of Resources and Environmental Science, China Agricultural University, Beijing 100193, China; Centre for Ecology and Hydrology, Maclean Building, Benson Lane, Crowmarsh Gifford, Wallingford, Oxon, OX10 8BB, UK
| | - Xu Feng
- College of Resources and Environmental Science, China Agricultural University, Beijing 100193, China
| | - Shizhong Yue
- College of Resources and Environmental Science, China Agricultural University, Beijing 100193, China; Shandong Provincial Key Laboratory of Biophysics, Institute of Biophysics, Dezhou University, Dezhou 253023, China
| | - Li Jia
- College of Resources and Environmental Science, China Agricultural University, Beijing 100193, China; Institut des Sciences de la Terre d'Orléans, UMR7327, CNRS-Université d'Orleans-Brgm, Orléans 45071, France
| | - Kun Wang
- College of Resources and Environmental Science, China Agricultural University, Beijing 100193, China; State Key Laboratory of North China Crop and Regulation, College of Resources and Environmental Science, Hebei Agricultural University, Baoding 071001, China
| | - Wenhao Zhou
- College of Resources and Environmental Science, China Agricultural University, Beijing 100193, China
| | - Yuhui Qiao
- College of Resources and Environmental Science, China Agricultural University, Beijing 100193, China; Beijing Key Laboratory of Biodiversity and Organic Farming, China Agricultural University, Beijing 100193, China.
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Song C, Sun S, Wang J, Gao Y, Yu G, Li Y, Liu Z, Zhang W, Zhou L. Applying fulvic acid for sediment metals remediation: Mechanism, factors, and prospect. Front Microbiol 2023; 13:1084097. [PMID: 36699598 PMCID: PMC9868176 DOI: 10.3389/fmicb.2022.1084097] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Accepted: 12/19/2022] [Indexed: 01/11/2023] Open
Abstract
Fulvic acid (FA) has been shown to play a decisive role in controlling the environmental geochemical behavior of metals. As a green and natural microbial metabolite, FA is widely used in environmental remediation because of its good adsorption complexation and redox ability. This paper introduces the reaction mechanism and properties of FA with metals, and reviews the progress of research on the remediation of metal pollutant by FA through physicochemical remediation and bioremediation. FA can control the biotoxicity and migration ability of some metals, such as Pb, Cr, Hg, Cd, and As, through adsorption complexation and redox reactions. The concentration, molecular weight, and source are the main factors that determine the remediation ability of FA. In addition, the ambient pH, temperature, metal ion concentrations, and competing components in sediment environments have significant effects on the extent and rate of a reaction between metals and FA during the remediation process. Finally, we summarize the challenges that this promising environmental remediation tool may face. The research directions of FA in the field of metals ecological remediation are also prospected. This review can provide new ideas and directions for the research of remediation of metals contaminants in sediments.
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Affiliation(s)
- Chuxuan Song
- School of Hydraulic and Environmental Engineering, Changsha University of Science and Technology, Changsha, China
| | - Shiquan Sun
- School of Hydraulic and Environmental Engineering, Changsha University of Science and Technology, Changsha, China.,Key Laboratory of Dongting Lake Aquatic Eco-Environmental Control and Restoration of Hunan Province, Changsha, China
| | - Jinting Wang
- School of Hydraulic and Environmental Engineering, Changsha University of Science and Technology, Changsha, China
| | - Yang Gao
- School of Hydraulic and Environmental Engineering, Changsha University of Science and Technology, Changsha, China
| | - Guanlong Yu
- School of Hydraulic and Environmental Engineering, Changsha University of Science and Technology, Changsha, China
| | - Yifu Li
- School of Hydraulic and Environmental Engineering, Changsha University of Science and Technology, Changsha, China
| | - Zhengqian Liu
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan, China
| | - Wei Zhang
- School of Hydraulic and Environmental Engineering, Changsha University of Science and Technology, Changsha, China
| | - Lean Zhou
- School of Hydraulic and Environmental Engineering, Changsha University of Science and Technology, Changsha, China
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