Journal of Oceanology and Limnology
·
2024
·Vol. 42
·期 1
·163-173
·
IF 1.3
Ma Dandan,Zhou Qingli,Sui Liying,Guo Qingbin,Liu Huanhuan,Liang Honghe,Li Zhenjing,Sang Zhongna
Deltamethrin (DEL), a commonly used pyrethroid pesticide, results in higher reactive oxygen species (ROS) levels in aquatic animals, which consequently unbalance the redox state. Phlorizin (PHL) is a flavonoid and a natural product promising to prevent or reduce pesticide-induced oxidative stress. Artemia is a micro-crustacean widely used in marine hatcheries and an experimental aquatic organism for environmental toxicology research. This research aimed to evaluate the toxicity of DEL on Artemia and the antioxidative effect of PHL against the toxicity. Results show that 0.08-mg/mL PHL exerted its antioxidative effects on hatching percentage of the cysts in 24-h incubation and on body length and survival rate of Artemia in 12-d culture. After 12-d culture, 12-, 24-, and 36-h DEL exposure showed significant drops in SOD, CAT, and GSH-Px enzyme activities, and significant increases in ROS and malondialdehyde (MDA) levels in Artemia ( P <0.05). On the contrary, 0.08-mg/mL PHL application improved the enzyme activities and decreased the ROS and MDA levels ( P <0.05). Moreover, 0.08-mg/mL PHL significantly increased mRNA expression levels of Cu/Zn SOD, CAT, GST, HO-1, NQO1 , and Nrf2 , and decreased mRNA expression level of Keap1 in the DEL-exposed Artemia ( P <0.05). Therefore, DEL is toxic to Artemia , while PHL alleviates DEL-induced oxidative damage by possibly regulating the Nrf2 signaling pathway. This study provided a theoretical basis for PHL to reduce pesticide-induced toxicity in aquatic animals.
研究领域:
环境毒理学
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水产动物健康
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抗氧化研究
✓ 已验证
DOI
高影响因子
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
·
2020
·
IF 3.99
Cheng Qian,Juanjuan Yin,Jianxun Zhao,Xuetong Li,Sufeng Wang,Zhenhua Bai,Tifeng Jiao
Water pollution is an urgent problem in the world today. The discharge of industrial wastewater such as organic dyes will cause serious pollution to water bodies, thereby affecting people's lives. Facing the increasingly severe water pollution problem, the demand for efficient dye degradation materials is also increasing. Artemia cyst shell (ACS), as a natural biological material, has a large number of microporous structures, so it can be used as a carrier for high-efficiency nanoscale catalytic materials. In this work, ACS-ZnO nanocomposites were successfully synthesized by a combination of high-temperature calcination and hydrothermal synthesis, and their properties and photocatalytic degradation properties for dyes were studied. Artemia cyst shells are calcined at high temperature to form an organic porous skeleton after pretreated. The structure is then loaded with ZnO nanoparticles to synthesize the target product through a hydrothermal reaction. Finally, the material is used to degrade methylene blue, Rhodamine B, and neutral red respectively under light irradiation. The results show that the photodegradation effect of ACS-ZnO nanocomposites with a certain ZnO content is significantly stronger than that of pure ZnO nanoparticles. At the same time, cyclic experiments show the high stability and sustainable use of this composite material.
研究领域:
环境科学
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材料科学
·
生物学
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产品关联
DOI
高影响因子
ENVIRONMENTAL POLLUTION
·
2024
·
IF 7.6
Wanyu Zhang,Jian Liang,Sufeng Wang,Mingyang Lin,Jingshan Li,Li Chen,Yingchao Zhang,Tifeng Jiao
This study reported a new strategy for enhanced Pb 2+ and Cu 2+ sequestration by Artemia cyst shell (shell) supported nano-Mg from aqueous solutions and the carbonated exhausted-adsorbents sequenced potential application in photo-catalyst, which obtained two expected results. One is that the immobilization of nano-Mg onto Artemia cyst shell (shell-Mg) can greatly strengthen the adsorption effect of the neat cyst shell on Pb 2+ and Cu 2+ . The adsorption capacities of shell-Mg for both metal ions reached to 622.01 and 313.91 mg/g, which was 10–15 and 30–50 times that of the neat shell respectively. And shell-Mg has strong selectivity , which was approximately 2–4 times that of shell. The shell-Mg can be used to retrieve Pb 2+ and Cu 2+ from aqueous solutions efficiently. Another is that the carbonated exhausted-adsorbents (C-shell-Mg-Pb and C-shell-Mg-Cu) showed their potential photocatalytic degradation effects on congo red under pH = 4 condition, the decolorization rate reached to 61.19% and 80.39% respectively. Reuse of exhausted adsorbents can avoid the secondary pollution caused by the regeneration, extend the utilization value of exhausted adsorbents, and provide a new viewpoint for the reuse of spent bio-nanomaterial adsorbents.
研究领域:
环境科学
·
材料科学
✓ 已验证
DOI
PubMed
高影响因子
JOURNAL OF ENVIRONMENTAL MANAGEMENT
·
2022
·
IF 8.91
Sufeng Wang,Xiaojuan Lv,Mingwei Fu,Zijing Wang,Dan Zhang,Qina Sun
Artemia egg shell loaded with nano-magnesium (shell-Mg) can be used to recover phosphorus from wastewater. The exhausted Artemia egg shell-Mg (denoted as shell-Mg-P) can be used as a slow-release fertilizer for phosphorus reuse. However, due to the coexistence of heavy metal ions in the environment, the application of slow-release fertilizer for phosphorus removal and reuse may have potential risks. In this paper, the potential risks of Pb 2+ , Cd 2+ , Zn 2+ and Cu 2+ in phosphorus wastewater and soil were studied from the formation and application process of shell-Mg-P. The result showed that shell-Mg adsorbed Pb 2+ , Cd 2+ , Zn 2+ and Cu 2+ in phosphate wastewater during the formation of shell-Mg-P and became shell-Mg-P-metal hybrid biomaterial . Although the experiment proved that the existence of heavy metal ions did not affect the phosphorus slow-release behavior of slow-release fertilizer, but the heavy metal ions in the shell-Mg-P-metal were also slow released. The pot experiment results confirmed that the slow-release phosphorus fertilizers (shell-Mg-P and shell-Mg-P-metal) in the soil polluted in low concentration of heavy metals can reduce the amount of heavy metals in whole wheat seedlings and promote wheat seedling growth. However, the application of slow-release fertilizers increased the translocation efficiency (T FR to SL ) of metal from root (R) to aboveground part (stem and leaves, SL), promoted the transportation of heavy metals from roots to the stems and leaves, and increased the safety risk of the wheat seedling edible. Therefore, besides the positive role of slow-release fertilizers in retaining heavy metals and reducing the amount of heavy metals in whole seedlings, the risk that it may aggravate the translocation of heavy metals to stems and leaves should be paid more attention, so as to ensure the safe and reliable application of slow-release fertilizers.
研究领域:
环境科学
·
农业科学
✓ 已验证
DOI
PubMed
高影响因子
ENVIRONMENTAL POLLUTION
·
2025
·
IF 7.3
Kaixuan Zheng,Wenbo Wang,Huizhong Pang,Zhenrui Peng,Bowen Bao,Daochuan Zhang,Xiaohong Zhang
Sulfadiazine (SDZ) is a widely used antibiotic that raises significant environmental concerns. Despite the role of microplastics (MPs) in facilitating the adsorption of environmental organic pollutants and influencing their toxicity to organisms, further research is necessary to understand the combined and individual effects of PS and SDZ on Artemia sinica . This study conducted experiments with varying concentrations of SDZ (0.16 mg/L, 0.8 mg/L, 4 mg/L, and 20 mg/L) both individual and combination treatments with 4 mg/L of PS to elucidate the potential toxic mechanisms. The results showed that three treatments significantly reduced swimming speed and altered antioxidant capacity, as evidenced by changes in superoxide dismutase (SOD) activity and malondialdehyde (MDA) content. Notably, combined exposure resulted in a reduction of swimming speed by 33 %–42 % compared to individual treatment with SDZ. Additionally, antioxidant responses were found to be 1.78 to 4.2 times greater than those observed with SDZ alone., The combined stress led to more severe intestinal villi damage and cell vacuolation, decreased clearance capability, and increased cell apoptosis, along with a rise in total antioxidant capacity. The contents and enzyme activity related to energy metabolism also decreased with increasing concentrations of the combined treatment. Energy metabolism markers, including α-amylase activity, exhibited reductions ranging from 21 % to 77 % compared to individual treatments as the combined concentrations increased. Furthermore, the combined exposure disrupted the intestinal microbiota, leading to a reduction in both diversity and abundance. These findings indicate that PS and SDZ exert dose-dependent and synergistic toxic effects on A. sinica , thereby enhancing our understanding of their combined toxicity and supporting ecological risk assessments.
研究领域:
环境毒理学
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海洋生态学
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生态毒理学
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污染科学
✓ 已验证
DOI
PubMed
高影响因子
JOURNAL OF HISTOTECHNOLOGY
·
2025
·
IF 1.8
Yanlin Wei,Wei Liu,Fengling Zhang,Yang Chen,Dongxin Wei,Hangyu Lin,Tao He
Inorganic mercury (Hg) and methylmercury (MeHg) have emerged as global pollutants owing to their long-term environmental stability and bioaccumulation. These heavy metals enter aquatic systems via industrial emissions, coal combustion, and natural processes, posing a serious threat to ecosystems and human health. This study assesses the impact of Hg2+ and MeHg on the growth and development of brine shrimp (Artemia franciscana) nauplii by analyzing the histopathological effects on their tissues. Brine shrimp nauplii from the Bohai Bay in China were selected as the study subjects and exposed to 1 μmol/L solutions of HgCl₂ and MeHgCl. Tissue sections were continuously taken at different immersion times. After staining with the standard hematoxylin-eosin (HE) method, the tissue morphology of brine shrimp nauplii under different forms of Hg stress was observed under a light microscope. The results showed that MeHg exhibited significantly greater toxicity to brine shrimp nauplii than Hg2+. Under the same exposure time, the MeHg group exhibited more pronounced epithelial cell damage, nuclear material disorder, and nucleoplasm diffusion outside the nucleus than the HgCl₂ group. This finding provides an important theoretical support for further research into the toxicological mechanisms of MeHg and Hg2+, and highlights that the toxic effects of methylmercury on aquatic organisms.
研究领域:
环境毒理学
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水生生态学
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海洋生物学
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组织病理学
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重金属污染
✓ 已验证
产品关联
DOI
PubMed
高影响因子
Microorganisms
·
2024
·Vol. 12
·期 4
·675
·
IF 4.1
Huizhong Pang,Kaixuan Zheng,Wenbo Wang,Mingjuan Zheng,Yudan Liu,Hong Yin,Daochuan Zhang
Cefotaxime (CTX) is an easily detectable antibiotic pollutant in the water environment, but little is known about its toxic effects on aquatic invertebrates, especially on the intestine. Here, we determined the oxidative stress conditions ofA. sinicaunder CTX exposure with five concentrations (0, 0.001, 0.01, 0.1 and 1 mg/L) for 14 days. After that, we focused on changes in intestinal tissue morphology and gut microbiota inA. sinicacaused by CTX exposure at 0.01 mg/L. We found malondialdehyde (MDA) was elevated in CTX treatment groups, suggesting the obvious antibiotic-induced oxidative stress. We also found CTX exposure at 0.01 mg/L decreased the villus height and muscularis thickness in gut tissue. The 16S rRNA gene analysis indicated that CTX exposure reshaped the gut microbiota diversity and community composition. Proteobacteria, Actinobacteriota and Bacteroidota were the most widely represented phyla inA. sinicagut. The exposure to CTX led to the absence of Verrucomicrobia in dominant phyla and an increase in Bacteroidota abundance. At the genus level, eleven genera with an abundance greater than 0.1% exhibited statistically significant differences among groups. Furthermore, changes in gut microbiota composition were accompanied by modifications in gut microbiota functions, with an up-regulation in amino acid and drug metabolism functions and a down-regulation in xenobiotic biodegradation and lipid metabolism-related functions under CTX exposure. Overall, our study enhances our understanding of the intestinal damage and microbiota disorder caused by the cefotaxime pollutant in aquatic invertebrates, which would provide guidance for healthy aquaculture.
研究领域:
环境科学
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微生物学
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毒理学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
MOLECULES
·
2025
·Vol. 30
·期 8
·1743
·
IF 4.6
Yu Gao,Ying Liu,Xu Zhao,Xinchao Liu,Qina Sun,Tifeng Jiao
Chromium-containing wastewater poses severe threats to ecosystems and human health due to the high toxicity of hexavalent chromium (Cr(VI)). Although iron oxide nanoparticles (IONPs) show promise for Cr(VI) removal, their practical application is hindered by challenges in recovery and reuse. Herein, a novel three-dimensional porous nanocomposite,Artemiacyst shell biochar-supported iron oxide nanoparticles (ACSC@ IONP), was synthesized via synchronous pyrolysis of Fe3+-impregnatedArtemiacyst shells (ACSs) and in situ reduction of iron. The optimized composite C@Fe-3, prepared with 1 mol/L Fe3+and pyrolyzed at 450 °C for 5 h, exhibited rapid removal equilibrium within 5–10 min for both Cr(VI) and total chromium (Cr(total)), attributed to synergistic reduction of Cr(VI) to Cr(III) and adsorption of Cr(VI) and Cr(III). The maximum Cr(total) adsorption capacity was 110.1 mg/g at pH 2, as determined by the Sips isothermal model for heterogeneous adsorption. Competitive experiments demonstrated robust selectivity for Cr(VI) removal even under a 64-fold excess of competing anions, with an interference order of SO42−> NO3−> Cl−. Remarkably, C@Fe-3 retained 65% Cr(VI) removal efficiency after four adsorption–desorption cycles. This study provides a scalable and eco-friendly strategy for fabricating reusable adsorbents with dual functionality for chromium remediation.
研究领域:
环境科学
·
材料科学
✓ 已验证
DOI
PubMed
高影响因子
CHEMOSPHERE
·
2018
·
IF 4.427
Jing Lu,Xiaoshan Zhu,Shengyan Tian,Xiaohui Lv,Zuohong Chen,Yuelu Jiang,Xingsheng Liao,Zhonghua Cai,Baiyang Chen
Given the increasing potential of graphene oxide entering marine environments, it is imperative to assess the risks of GO on marine ecosystem, including its direct toxicity to marine organisms and indirect toxicity brought by co-existing aquatic pollutants, as a result of the remarkable adsorption capacity of GO. In the present study, the acute toxicity of GO, Phe, Cd 2+ , GO-Phe, and GO-Cd 2+ to Artemia salina were systemically assessed and compared for the first time. Although the lethal effects of GO alone to A. salina only appeared at high GO dose (500 mg/L), its sublethal toxicity (growth inhibition) at concentrations as low as 1 mg/L was observed by microscopy, which was likely closely related to the GO-induced oxidative stress in A. salina . Compared with the toxicity of Phe alone, GO-Phe exhibited a synergistic effect to A. salina at a high GO concentration. For GO-Cd 2+ , the toxicity was positively correlated with both GO dose and Cd 2+ dose. The increased toxicity of GO-Phe or GO-Cd 2+ at high doses might be attributed to the promoted bioaccumulation of toxicants by GO, as the adhesion of GO complexes to intestinal tract of A. salina was observed during the toxicity tests , which probably resulted in further toxicological effects .
研究领域:
环境科学
·
毒理学
·
海洋生物学
✓ 已验证
DOI
高影响因子
SCIENCE OF THE TOTAL ENVIRONMENT
·
2017
·
IF 4.9
Jing Lu,Shengyan Tian,Xiaohui Lv,Zuohong Chen,Baiyang Chen,Xiaoshan Zhu,Zhonghua Cai
The impact of manufactured nanoparticles on the toxicity of co-existing pollutants in aquatic environments has raised increasing concerns. However, the toxicity of polycyclic aromatic hydrocarbons or metal ions in the presence of titanium dioxide nanoparticles (nTiO 2 ) to marine zooplankton has been rarely reported. In the present study, the impacts of nTiO 2 on the toxicity of phenanthrene (Phe) and cadium (Cd 2 + ) to Artemia salina , a model marine zooplankton, were investigated. Although nTiO 2 alone exerted a limited toxicity to A. salina within 48 h of exposure, nTiO 2 strongly altered the toxicity of Phe and Cd 2 + to A. salina . Compared with the individual toxicities of pollutants to A. salina , the toxicities of Phe and Cd 2 + increased by 2.0% and 12.2%, respectively, in the presence of 5 mg/L nTiO 2, but decreased by 24.5% and 57.1%, respectively, in the presence of 400 mg/L nTiO 2 . These concentration-dependent impacts of nTiO 2 on the toxicity of Phe or Cd 2 + might be attributed to the concurrent functions of several interrelated factors including the adsorption of pollutants on nTiO 2 , the nTiO 2 -faciliated bioaccumulation of pollutants, the limited gut volume in organisms, and the aggregation and sedimentation behaviors of nTiO 2 . These results presented in the study could help understand the effects of manufactured nanomaterials in marine environments.
研究领域:
环境科学
·
毒理学
·
海洋生物学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
JOURNAL OF APPLIED TOXICOLOGY
·
2026
·
IF 3.1
Xiaoyu Sun,Yang Li,Xuying Jia,Yangjie Deng,Wenli Zhou
Polychlorinated biphenyls (PCBs), as ubiquitous persistent organic pollutants (POPs), pose substantial threats to the physiological and ecological homeostasis of aquatic organisms. To minimize cross-contamination and better simulate fluctuating pollutant exposure dynamics in natural aquatic ecosystems, an intermittent exposure regime was employed in this study. This study investigated the effects of PCB-153 (2,2′,4,4′,5,5′-hexachlorobiphenyl) on growth, ingestion, and the antioxidant-detoxification system in Artemia via dietary (4:20 stress:non-stress, 4 days) and waterborne (22:2 stress:non-stress, 6 days) pathways. Both exposure routes concentration-dependently suppressed Artemia growth and grazing rate, accompanied by impaired reactive oxygen species scavenging capacity and aggravated lipid peroxidation. The 96-h LC 50 of PCB-153 was 45.71 μg/L. Notably, glutathione S-transferase (GST) activity showed the opposite trend: being enhanced under waterborne exposure but inhibited under dietary exposure. With respect to other antioxidant and detoxification pathways, dietary exposure resulted in a typical activation-then-inhibition pattern of the glutathione cycle. Under waterborne exposure, hydrogen peroxide scavenging was impaired, and the cytochrome P450 (CYP450) detoxification system exhibited a biphasic induction-inhibition response. Overall, PCB-153 exerted adverse effects on Artemia survival, ingestion, and antioxidant-detoxification homeostasis through both pathways. Under the experimental conditions of this study, Artemia exposed via the waterborne route tended to show more pronounced responses in survival, growth, and ingestion than those exposed via the dietary route, based on preliminary observations. Meanwhile, GST activity showed opposite patterns between the two exposure groups. These findings clarify the ecotoxicological effects and mechanisms of PCBs on Artemia , a keystone species in aquatic food webs, and highlight their ecological risks under realistic exposure scenarios.
✓ 已验证
DOI
PubMed
高影响因子
Journal of Nanomaterials
·
2015
·
IF 1.644
Sufeng Wang,Fengjing Lv,Tifeng Jiao,Jingfen Ao,Xiaochun Zhang,Fengdan Jin
Artemia egg shells have an asymptotic sized pore structure (pore diameter: 500 nm–2500 nm), which could be used as a porous carrier for the preparation of nanocomposite materials. The objective of the present study was to prepare shell-supported TiO2 using a naturally porous carrier, Artemia egg shell, and to exhibit a case study of shell-supported TiO2 for formaldehyde removal. Characterization of shell-TiO2 using SEM-EDS, TEM, and XRD proved that Artemia shell with asymptotic reduction pores (pore diameter: 500 nm–2500 nm) can be used as the carrier for nanocomposite materials. Artemia egg shell-supported TiO2 in polycrystalline-like nanostructures can be used for the high efficiency removal (adsorption and degradation) of formaldehyde under visible light. Our results suggest that iron, one of the shell’s components, should broaden the absorption of visible light and enhance the photocatalytic efficiency of nanotitanium dioxide under visible light. Due to their interesting absorption and formaldehyde removal qualities, Artemia egg shell, as a novel naturally porous carrier for nanocomposite materials preparation, especially in the preparation of nanocatalysts, is worthy of further study.
研究领域:
材料科学
·
环境科学
·
纳米技术
✓ 已验证
DOI
高影响因子
危险品化学品经营许可证（带存储）