Chemosphere最新文献_第10页

Corrigendum to “Microplastic assessment in remote and high mountain lakes of Gilgit Baltistan, Pakistan” [Chemosphere 365 (2024) 143283] “吉尔吉特巴尔蒂斯坦偏远和高山湖泊的微塑料评估，巴基斯坦”的勘误表[Chemosphere 365(2024) 143283]。

IF 8.1 2区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Chemosphere

Pub Date : 2025-11-19 DOI: 10.1016/j.chemosphere.2025.144740

Maryem Mehboob , Rachid Dris , Bruno Tassin , Johnny Gasperi , Muhammad Usman Khan , Riffat N. Malik

引用次数: 0

Tolerance of the apple snail Pomacea canaliculata to individual and combined exposures of the pyrethroid cypermethrin and the tetramic acid spirotetramat 苹果螺Pomacea canaliculata对拟除虫菊酯、氯氰菊酯和四乙酸螺虫酯单独和联合暴露的耐受性。

IF 8.1 2区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Chemosphere

Pub Date : 2025-11-18 DOI: 10.1016/j.chemosphere.2025.144766

Manuela Vattiato , Sonia M. Landro , Fernando G. Spaccesi , Florencia Arrighetti , Sabrina M.L. Lavarías

This study evaluated the sensitivity of the apple snail Pomacea canaliculata to the insecticides cypermethrin (CYP), a type II pyrethroid, and spirotetramat (STM), a new-generation tetramic acid. Initially, the LC₅₀ values were determined for adult male and female snails, revealing a high tolerance to both compounds, with values of 65.6 mg/L for CYP and 12.8 mg/L for STM. Subsequently, female snails were exposed to sublethal concentrations of both pesticides individually and in combination for ten days. Several biomarkers, including biochemical parameters and histopathological changes, were studied in the digestive gland. The two-factor ANOVA analysis showed that of all the biochemical parameters evaluated, only total protein, uric acid, glutathione S-transferase, and lactate dehydrogenase activity were affected by individual CYP treatment (0.1 mg/L) compared to the control. Additionally, lactate dehydrogenase activity was affected by individual and combined STM treatments, showing a hormesis pattern. Triacylglycerol content showed no differences between the control and the different treatments. However, the 0.1 mg/L CYP +0.1 mg/L STM treatment resulted in the highest triacylglycerol accumulation. Semi-quantitative analysis of the histopathological index (HI) revealed that the exposure of both CYP and STM led to a significantly higher HI than in controls. However, no dose-dependent pattern was observed, suggesting a high sensitivity of the digestive gland. The integrated biomarker index (IBRv2) analysis showed that CYP caused greater damage than STM. The combined treatment exhibited an antagonistic interaction between CYP and STM. In conclusion, this study demonstrates the high tolerance of P. canaliculata to pesticides from different chemical groups. This remarkable adaptability may explain its success in adverse environmental conditions, establishing it as one of the world's most damaging invasive species. The study also reinforces the value of histopathological changes as the most appropriate and sensitive biomarker for assessing pesticide contamination in this organism.

本研究评价了苹果螺Pomacea canaliculata对II型拟除虫菊酯类杀虫剂氯氰菊酯（CYP）和新一代四羧酸类杀虫剂螺虫菊酯（STM）的敏感性。最初，测定了成年雄性和雌性蜗牛的LC50值，显示出对这两种化合物的高耐受性，CYP的值为65.6 mg/L， STM的值为12.8 mg/L。随后，雌性蜗牛分别暴露于亚致死浓度的杀虫剂和组合杀虫剂中10天。研究了几种生物标志物，包括生化参数和组织病理学变化。双因素方差分析显示，与对照组相比，单个CYP处理（0.1 mg/L）仅影响总蛋白、尿酸、谷胱甘肽s -转移酶和乳酸脱氢酶活性。此外，乳酸脱氢酶活性受到单独和联合STM处理的影响，表现出激效模式。三酰甘油含量在对照和不同处理间无显著差异。然而，0.1 mg/L CYP +0.1 mg/L STM处理的甘油三酯积累量最高。半定量分析的组织病理学指数（HI）显示，暴露于CYP和STM导致HI显著高于对照组。然而，没有观察到剂量依赖性模式，表明消化腺具有高敏感性。综合生物标志物指数（IBRv2）分析显示，CYP造成的损伤大于STM。联合处理显示出CYP与STM之间的拮抗相互作用。综上所述，本研究证明了小管藤对不同化学类群的农药具有较高的耐受性。这种非凡的适应能力可以解释它在恶劣环境条件下的成功，使其成为世界上最具破坏性的入侵物种之一。该研究还强调了组织病理学变化作为评估该生物体内农药污染最合适和最敏感的生物标志物的价值。

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引用次数: 0

Fluorene-induced antioxidant disruption, neurophysiological impairment, and DNA damage in freshwater snail (Bellamya bengalensis) and fish (Anabas testudineus): Evidence from in vivo and in silico studies 氟诱导的淡水蜗牛（Bellamya bengalensis）和鱼类（Anabas testudineus）的抗氧化破坏、神经生理损伤和DNA损伤：来自体内和计算机研究的证据。

IF 8.1 2区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Chemosphere

Pub Date : 2025-11-18 DOI: 10.1016/j.chemosphere.2025.144776

Azubuike Chukwuka , Pramita Sharma , Soumendranath Chatterjee , Nimai Chandra Saha

Fluorene (FL), a low-molecular-weight polycyclic aromatic hydrocarbon (PAH), is increasingly detected in freshwater environments, yet its mechanistic toxicity remains poorly characterized. This study evaluated FL-induced toxicity in Bellamya bengalensis (BB) and Anabas testudineus (AT) under acute (96hrs) and chronic exposures (28 and 45 days respectively). Acute assays revealed concentration-dependent mortality, with 96-h LC₅₀ values of 3.074 mg/L for BB and 1.991 mg/L for AT, indicating higher fish sensitivity. Behavioral impairments—reduced crawling and mucus secretion in BB, and erratic swimming, equilibrium loss, and opercular changes in AT—signaled early neurophysiological disruption. Chronic exposure (10 % and 20 % LC₅₀) caused significant oxidative stress, tissue damage, and DNA fragmentation, corroborated by elevated tail length and tail moment in the comet assay. Molecular docking provided mechanistic support, revealing strong fluorene affinity for catalase and DNA polymerase in BB (−6.8 and −6.1 kcal/mol) versus DNA topoisomerase in AT (−6.2 kcal/mol). These interactions, dominated by π–π stacking and hydrophobic contacts, suggest catalytic inhibition and structural destabilization of antioxidant and genomic enzymes. Consequently, oxidative stress emerged as the primary toxicity pathway in BB, while replication stress and genotoxicity dominated in AT. Histopathological lesions—epithelial atrophy in BB and hepatocellular hypertrophy in AT—further reflected divergent metabolic responses. Collectively, the cross-species evidence highlights that even a structurally simple PAH such as fluorene exerts complex, multi-level effects through conserved molecular targets. These findings underscore species-specific vulnerabilities and demonstrate the ecological and regulatory importance of incorporating in silico–in vivo integration in aquatic PAH risk assessment.

芴（FL）是一种低分子量的多环芳烃（PAH），在淡水环境中被越来越多地检测到，但其机制毒性的研究仍然很少。本研究评估了fl在急性暴露（96小时）和慢性暴露（28天和45天）下对孟加拉贝拉米亚鼠（BB）和testudineus （AT）的毒性。急性试验显示出浓度依赖性死亡率，BB的96小时LC50值为3.074 mg/L， AT的LC50值为1.991 mg/L，表明鱼的敏感性更高。行为障碍- BB中爬行和粘液分泌减少，at中游泳不稳定，平衡丧失和眼角膜改变标志着早期神经生理障碍。长期暴露（10%和20% LC50）引起显著的氧化应激、组织损伤和DNA断裂，彗星试验中尾巴长度和尾巴力矩的增加证实了这一点。分子对接提供了机制支持，揭示了BB中过氧化氢酶和DNA聚合酶（-6.8和-6.1 kcal/mol）与AT中的DNA拓扑异构酶（-6.2 kcal/mol）具有很强的芴亲和力。这些相互作用以π-π堆积和疏水接触为主，表明了抗氧化酶和基因组酶的催化抑制和结构不稳定。因此，氧化应激是BB的主要毒性途径，而复制应激和遗传毒性在AT中占主导地位。组织病理学病变——BB的上皮萎缩和at的肝细胞肥大进一步反映了不同的代谢反应。总的来说，跨物种的证据表明，即使是结构简单的多环芳烃，如芴，也会通过保守的分子靶点产生复杂的、多层次的影响。这些发现强调了物种特异性脆弱性，并证明了将硅-体内整合纳入水生多环芳烃风险评估的生态和调控重要性。

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引用次数: 0

Identification and quantification of per- and polyfluoroalkyl substances in wastewater from Taiwan using targeted and non-targeted approaches 使用目标和非目标方法鉴定和量化台湾废水中的全氟烷基和多氟烷基物质。

IF 8.1 2区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Chemosphere

Pub Date : 2025-11-18 DOI: 10.1016/j.chemosphere.2025.144762

Jen-Yi Hsu , Chih-Wei Chang , Yu-Wen Lin , Yuan-Chih Chen , Pao-Chi Liao

This study assessed per- and polyfluoroalkyl substances (PFAS) in municipal wastewater influents in Taiwan using a high-resolution mass spectrometry (HRMS) workflow combining targeted and non-targeted analyses. Targeted analysis detected seven PFAS above quantification, with perfluorooctane sulfonate (PFOS, 5.33–8.37 ng/L) at the highest levels, followed by PFHxS (1.31–2.88 ng/L), PFBS (0.88–1.26 ng/L), and 6:2 fluorotelomer sulfonate (up to 3.40 ng/L). Short-chain acids such as PFBA and PFPeA were mostly below quantification. Non-targeted screening expanded the PFAS inventory to 45 compounds, including ultra-short-chain PFAS (e.g., trifluoroacetic acid, trifluoromethanesulfonic acid) and multiple precursors. The diversity of detected PFAS underscores the importance of integrating non-targeted strategies into wastewater monitoring. These findings provide the first nationwide PFAS profile for Taiwanese municipal wastewater and establish a baseline for future environmental surveillance and regulatory development.

本研究利用高分辨率质谱（HRMS）结合目标分析和非目标分析的工作流程，评估了台湾城市污水中的全氟烷基和多氟烷基物质（PFAS）。目标分析检测出定量以上的7种PFAS，其中全氟辛烷磺酸（PFOS, 5.33-8.37 ng/L）含量最高，其次是PFHxS （1.31-2.88 ng/L）、PFBS （0.88-1.26 ng/L）和6:2氟端聚物磺酸（高达3.40 ng/L）。短链酸如PFBA和PFPeA大多无法定量。非靶向筛选将PFAS清单扩大到45种化合物，包括超短链PFAS（如三氟乙酸、三氟甲烷磺酸）和多种前体。检测到的PFAS的多样性强调了将非目标战略纳入废水监测的重要性。这些发现提供了台湾城市污水的第一个全国性PFAS概况，并为未来的环境监测和监管发展奠定了基础。

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引用次数: 0

The influence of BPA on isometric contraction, cholinergic activity, and antioxidant status in the crop gizzard of Lumbricus terrestris 双酚a对蚓囊等长收缩、胆碱能活性和抗氧化状态的影响。

IF 8.1 2区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Chemosphere

Pub Date : 2025-11-17 DOI: 10.1016/j.chemosphere.2025.144771

Zofia Goc, Zuzanna Mucha, Edyta Kapusta, Grzegorz Formicki

The billions of tons of bisphenol A (BPA)-containing waste constitutes a serious concern. BPA leaching from waste through water is a major source of soil contamination. BPA enters the body primarily through ingestion and affects cellular redox balance and cholinergic neuronal activity. The aim of this study was to assess gastrointestinal motility, acetylcholinesterase (AChE) activity, antioxidant enzyme activity (SOD, CAT, and GPx), and the GSH, MDA, and choline (Ch) concentrations in the digestive systems of Lumbricus terrestris earthworms reared for 7 d in soil containing various BPA concentrations. After the 7-d exposure period, crop gizzards were collected from the digestive tracts for analysis. BPA exposure caused an increase in AChE activity, except in animals exposed to the highest BPA concentration. Changes in cholinergic activity were confirmed via Ch concentration measurements. We observed that BPA exerted a relaxant effect on crop gizzard muscles, with statistically significant decreases in the frequency and maximum force of spontaneous isometric contractions (ICs). The IC parameters induced by acetylcholine chloride (AChC) were lower in animals reared in BPA-contaminated soil than in those of the control group. Statistically significant reductions in the mean and minimum IC forces were observed. SOD activity and GPx activity increased in response to low and medium BPA concentrations but decreased in animals exposed to the highest BPA concentration. A similar pattern was observed for the GSH concentration. CAT activity notably decreased in a BPA concentration-dependent manner. Additionally, we observed a statistically significant and BPA concentration-dependent increase in the MDA concentration.

数十亿吨含双酚A （BPA）的废物构成了一个严重的问题。通过水从废物中浸出BPA是土壤污染的主要来源。BPA主要通过摄入进入人体，影响细胞氧化还原平衡和胆碱能神经元活动。本研究的目的是评估在不同BPA浓度土壤中饲养7 d的陆生蚓的胃肠蠕动、乙酰胆碱酯酶（AChE）活性、抗氧化酶（SOD、CAT和GPx）活性以及消化系统中GSH、MDA和胆碱（Ch）浓度。暴露7 d后，从消化道采集作物砂囊进行分析。除了暴露在BPA浓度最高的动物外，BPA暴露导致乙酰胆碱酯酶活性增加。通过测定Ch浓度证实胆碱能活性的变化。我们观察到BPA对作物砂囊肌肉有松弛作用，自发等长收缩（ICs）的频率和最大力有统计学意义上的显著降低。在双酚a污染土壤中饲养的动物，乙酰胆碱氯（AChC）诱导的IC参数低于对照组。观察到平均和最小IC力在统计上显着降低。低、中BPA浓度下，SOD活性和GPx活性升高，高BPA浓度下，SOD活性和GPx活性降低。谷胱甘肽浓度也有类似的变化。CAT活性以BPA浓度依赖性显著降低。此外，我们观察到具有统计学意义且BPA浓度依赖性的MDA浓度增加。

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引用次数: 0

Uptake and bioaccumulation of microplastics by plants: Exploring impacts and remediation potential in terrestrial and aquatic environment 植物对微塑料的吸收和生物积累：探讨对陆地和水生环境的影响和修复潜力

IF 8.1 2区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Chemosphere

Pub Date : 2025-11-15 DOI: 10.1016/j.chemosphere.2025.144764

Yatta Esther Kallon , Snigdha , Rahul Kumar Sinha , Isha Gupta , Nalok Dutta , Sayan Bhattacharya , Jayanta Kumar Biswas , Prabhakar Sharma

Over the past decade, plastic waste has become a significant contributor to environmental degradation, leading to the widespread presence of microplastics (MPs) in terrestrial ecosystems. While oceans serve as the ultimate sink for MPs, the majority of plastic pollutants accumulate in soil through sources such as sewage sludge, organic fertilizers, plastic mulching, wastewater irrigation, flooding, and atmospheric deposition. Consequently, plants, as key components of terrestrial ecosystems, inevitably interact with MPs. However, understanding of MP uptake, distribution, and the underlying mechanisms in plants remains limited. This review synthesizes current knowledge on the occurrence and movement of MPs in the terrestrial environment, emphasizing their uptake by plants, effects on plant functions, and potential for phytoremediation. Although some studies suggest MPs may marginally improve soil aeration and water retention, their overall impact is detrimental. MPs can disrupt soil microbial communities, reduce nutrient availability, and impair plant growth. Moreover, the uptake of MPs by edible crops raises concerns about their transfer through the food chain, posing health risks to humans. MPs act as carriers for persistent organic pollutants (POPs) and heavy metals, which may lead to endocrine disruption, inflammation, and cellular damage upon ingestion. Future research should prioritize developing advanced methodologies to investigate plant-MP interactions, assess long-term ecological and health impacts, and establish effective mitigation strategies. Promoting sustainable agricultural practices and implementing stricter waste management policies are crucial to minimizing MP pollution and ensuring environmental and food safety.

在过去十年中，塑料废物已成为环境退化的重要因素，导致微塑料（MPs）在陆地生态系统中广泛存在。虽然海洋是MPs的最终储存库，但大多数塑料污染物通过污水污泥、有机肥、塑料覆盖、废水灌溉、洪水和大气沉降等来源在土壤中积累。因此，植物作为陆地生态系统的关键组成部分，不可避免地与MPs相互作用。然而，对植物中MP的吸收、分布和潜在机制的了解仍然有限。本文综述了陆地环境中MPs的发生和运动的最新知识，重点介绍了它们被植物吸收、对植物功能的影响以及植物修复的潜力。尽管一些研究表明，MPs可能略微改善土壤透气性和保水性，但它们的总体影响是有害的。MPs会破坏土壤微生物群落，降低养分有效性，损害植物生长。此外，食用作物对MPs的吸收引起了人们对它们通过食物链转移的担忧，对人类构成健康风险。MPs是持久性有机污染物（POPs）和重金属的载体，摄入后可能导致内分泌紊乱、炎症和细胞损伤。未来的研究应优先发展先进的方法来调查植物与mp的相互作用，评估长期的生态和健康影响，并建立有效的缓解策略。促进可持续农业做法和实施更严格的废物管理政策对于尽量减少农药污染以及确保环境和食品安全至关重要。

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引用次数: 0

High-resolution site characterization tools: application of fluorescence techniques to identify DNAPL in tropical lands 高分辨率位点表征工具：荧光技术在热带地区识别DNAPL的应用

IF 8.1 2区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Chemosphere

Pub Date : 2025-11-15 DOI: 10.1016/j.chemosphere.2025.144768

Lélia Cristina da Rocha Soares , Gabriela Paupitz Mendes , Alexandre Muselli Barbosa , Carlos Cesar Malta-Oliveira , Sandro Souto de Souto , Nestor Kenji Yoshikawa , Claudio Augusto Oller do Nascimento

When oil spills occur, a fraction of the oil may get trapped in soil pores or can migrate through unsaturated and saturated zones. Dense non-aqueous phase liquids (DNAPL), such as creosote, move through aquifers until complete depletion or encountering an impermeable layer. The optical image profiler (OIP) is a high-resolution site characterization tool that combines fluorescent and visible light imaging, correlating optical responses with oil occurrence in the subsurface. This study demonstrates the applicability of OIP-UV (ultraviolet light source) and OIP-Green (green light source) probes for identifying creosote contamination in a tropical climate region (São Paulo, Brazil). Bench and field tests were conducted to assess the relationship between fluorescence responses and the presence of oil in contaminated and uncontaminated soils. Results indicate that OIP-UV is the most appropriate method for mapping creosote in porous media at similar contaminated sites. It is the first time this approach is reported for tropical climates, and it is crucial for better understanding the contaminant distribution and behavior. Furthermore, high-resolution indirect investigation methods like OIP require calibration and soil chemical analyses guided by HRSC scanning and visual identification to validate the results.

当石油泄漏发生时，一小部分石油可能会被困在土壤孔隙中，或者可以通过非饱和和饱和区迁移。致密非水相液体（DNAPL），如杂酚油，在含水层中移动，直到完全耗尽或遇到不透水层。光学图像分析器（OIP）是一种高分辨率的现场表征工具，它结合了荧光和可见光成像，将光学响应与地下产油量相关联。本研究证明了OIP-UV（紫外线光源）和OIP-Green（绿色光源）探针在热带气候地区（巴西圣保罗）识别杂酚油污染的适用性。进行了实验室和现场试验，以评估荧光反应与污染和未污染土壤中油的存在之间的关系。结果表明，OIP-UV是类似污染地点多孔介质中杂酚油定位最合适的方法。这是首次报道这种方法用于热带气候，这对于更好地了解污染物的分布和行为至关重要。此外，像OIP这样的高分辨率间接调查方法需要在HRSC扫描和视觉识别的指导下进行校准和土壤化学分析，以验证结果。

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引用次数: 0

Assessment of chemical extracts of urban air for endocrine disruption using a serie of in vitro bioassays: a case study in Montreal, Canada 使用一系列体外生物测定法评估城市空气中化学提取物对内分泌干扰的影响：加拿大蒙特利尔的一个案例研究

IF 8.1 2区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Chemosphere

Pub Date : 2025-11-15 DOI: 10.1016/j.chemosphere.2025.144760

Antoine P. Gillet , Hongyan Dong , Lan Liu , Caren Akiki , Xianming Zhang , Lei Tian , Frank Wania , Michael G. Wade , Philippe Apparicio , Stephane Bayen , Geraldine Delbes

Recent data indicate that urban air harbors a complex mixture of industrial chemicals, pesticides, and combustion by-products, many of which may act as endocrine-disrupting chemicals (EDCs). By interfering with the endocrine system, EDCs can affect human health. Hence, there is an urgent need to better characterize outdoor airborne chemical mixtures and their health impact. This study assessed the bioactivity on key targets of EDCs for chemical extracts of the atmospheric vapour phase (i.e., excluding particulate matter) collected from 40 sites across Montreal, Canada, using passive air samplers deployed over 82 summer days. Seven validated bioassays were used to test the ability of each extract to alter the estrogen, androgen, thyroid, and steroidogenesis pathways. Of the 42 urban air extracts tested, none induced alteration of the human thyroid peroxidase activity or activated the human androgen receptor (hAR) but three induced estrogen receptor activation and five inhibited the sodium/iodide symporter by 40–60 %. More than 20 extracts antagonized hESR1 and/or hAR, a few with very strong potency. Yet, blanks used as controls also induced signals in the antagonist mode of the transactivation assays and affected testosterone production in the H295R steroidogenic assay, challenging data interpretations. Overall, our data indicate the potential for thyroid, estrogenic, antiestrogenic and antiandrogenic disruption caused by the chemical mixtures present in the outdoor air of a major metropolis. This work provides one of the first integrated assessments of endocrine activity from atmospheric vapour phase chemical extracts, underscoring the importance of incorporating bioanalytical tools into air-quality and health-risk evaluation frameworks.

最近的数据表明，城市空气中含有工业化学品、杀虫剂和燃烧副产品的复杂混合物，其中许多可能具有干扰内分泌的化学物质（EDCs）的作用。通过干扰内分泌系统，EDCs可以影响人体健康。因此，迫切需要更好地描述室外空气传播的化学混合物及其对健康的影响。本研究评估了EDCs对大气气相（即不包括颗粒物）化学提取物关键目标的生物活性，这些化学提取物收集自加拿大蒙特利尔的40个地点，使用部署了82个夏季的被动空气采样器。采用7种有效的生物测定法来测试每种提取物改变雌激素、雄激素、甲状腺和类固醇生成途径的能力。在测试的42种城市空气提取物中，没有一种诱导人甲状腺过氧化物酶活性的改变或激活人雄激素受体（hAR），但有三种诱导雌激素受体激活，五种抑制钠/碘化物同调体40 - 60%。有20余种提取物对hESR1和/或hAR具有拮抗作用，少数提取物具有很强的拮抗作用。然而，空白作为对照也会在反激活试验的拮抗剂模式下诱导信号，并影响H295R类固醇生成试验中睾酮的产生，这对数据解释具有挑战性。总的来说，我们的数据表明，主要城市室外空气中存在的化学混合物可能导致甲状腺、雌激素、抗雌激素和抗雄激素紊乱。这项工作首次对大气气相化学提取物的内分泌活动进行了综合评估，强调了将生物分析工具纳入空气质量和健康风险评估框架的重要性。

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引用次数: 0

Assessing bisphenols migration from children's products on the Swiss market: simulated oral exposure and risk implications 评估瑞士市场上儿童产品的双酚迁移：模拟口服暴露和风险影响

IF 8.1 2区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Chemosphere

Pub Date : 2025-11-15 DOI: 10.1016/j.chemosphere.2025.144772

Camille Rime , Sanja Delic , Anne Onidi , Lionel Cretegny , Nancy B. Hopf , Davide Staedler , Fiorella Lucarini

Bisphenols, including bisphenol A (BPA) and its analogues, are widely used in consumer plastics and are known endocrine disruptors. Despite increasing BPA regulations, its analogues have been found in children's products, with migration patterns varying across product categories. This study provides a large-scale evaluation of bisphenols migration from 162 products randomly selected from the Swiss market, categorized into toys (TOY), bath toys and accessories (BTA), oral supports (OSU), and feeding accessories and baby bottles (FAB). Migration was assessed using artificial saliva as a simulant, replicating buccal exposure in infants and young children. This study reveals widespread bisphenols release, with BPA and bisphenol B as the most frequently detected compounds. Notably, OSU and FAB categories, which involve direct oral contact, exhibited higher migration rates than TOY and BTA. Exposure was estimated using a deterministic model, integrating daily exposure (DE), margin of exposure (MOE), and total daily intake (TDI). MOE values below 100 were observed for BPE in OSU, indicating potential health concerns. TDI calculations suggest that exposure from these products alone exceeds the European Food Safety Authority (EFSA) safety threshold for BPA. The findings underscore the urgent need for stricter regulatory oversight, particularly for bisphenol A analogues in products frequently mouthed by infants and toddlers.

双酚类物质，包括双酚A （BPA）及其类似物，广泛用于消费塑料中，是已知的内分泌干扰物。尽管越来越多的双酚a法规，在儿童产品中发现了它的类似物，其迁移模式因产品类别而异。本研究对瑞士市场上随机选择的162种产品的双酚迁移进行了大规模评估，这些产品分为玩具（TOY）、沐浴玩具和配件（BTA）、口腔支架（OSU）和喂养配件和奶瓶（FAB）。使用人工唾液作为模拟物评估迁移，复制婴儿和幼儿的口腔暴露。这项研究揭示了广泛的双酚释放，双酚a和双酚B是最常检测到的化合物。值得注意的是，涉及直接口腔接触的OSU和FAB类别比TOY和BTA表现出更高的迁移率。使用确定性模型，综合日暴露量（DE）、暴露边际（MOE）和总日摄入量（TDI）来估计暴露量。在俄勒冈州立大学观察到BPE的MOE值低于100，表明潜在的健康问题。TDI计算表明，仅从这些产品中暴露的BPA就超过了欧洲食品安全局（EFSA）的安全阈值。研究结果强调了加强监管的迫切需要，特别是对婴幼儿经常食用的产品中的双酚A类似物。

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引用次数: 0

Highly sensitive sensors for the simultaneous determination of imidacloprid, fenitrothion, and glyphosate pesticides in real samples constructed by functional buckyball nanoarchitectures based on fullerene-like nanoparticles 基于富勒烯类纳米颗粒的功能性巴基球纳米结构构建了同时测定实际样品中吡虫啉、硝硫磷和草甘膦农药的高灵敏度传感器。

IF 8.1 2区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Chemosphere

Pub Date : 2025-11-12 DOI: 10.1016/j.chemosphere.2025.144727

Octávio P.L. de Souza , Tais M.S. Abreu , Daniel Y. Tiba , João H.A. Ferreira , Caroline P. Carvalho , Marcos N. Eberlin , Thiago C. Canevari

The simultaneous determination of pesticides remains a significant challenge for current electrochemical sensors. This work presents the synthesis, characterization, and application of an innovative functional Buckyball nanoarchitectures composed of carbon nanotubes and fullerene-like nanoparticles of doped carbon dots decorated with Ni metallic, NiO, and NiOOH nanoparticles. The chronoamperometry technique was used to obtain fullerene-like nanoparticles of F, S-doped carbon dots from PFAS (Perfluoro-1-butane-sulfonyl fluoride). The buckyball nanoarchitectures have been based on the direct mixture of functionalized MWCNTs, F, S-doped carbon dots solution, and nickel acetate aqueous solution. The F, S-doped carbon dots, Nickel nanoparticles, and Carbon allotropes/Nickel nanoarchitectures were characterized using Matrix-Assisted Laser Desorption/Ionization (MALDI), High-resolution transmission electron microscopy (HRTEM), Raman spectroscopy, X-ray photoelectron spectroscopy (XPS), and electrochemical techniques. A sensitive electrochemical sensor has been prepared by modifying a printed gold electrode with Carbon allotropes/Nickel nanoarchitectures and used to simultaneously determine imidacloprid, fenitrothion, and glyphosate in a buffer solution at pH 6.5. The sensor exhibited excellent electrocatalytic activity in the simultaneous determination of fenitrothion, glyphosate, and imidacloprid pesticides with detection limits at 19.6, 5.14, and 37.9 pM, respectively, demonstrating its high sensitivity and selectivity. The sensor was also used to determine the presence of imidacloprid, fenitrothion, and glyphosate pesticides in tap water and orange juice, yielding an excellent recovery rate.

同时测定农药是目前电化学传感器面临的一个重大挑战。这项工作介绍了一种创新的功能性巴基球纳米结构的合成、表征和应用，该结构由碳纳米管和类似富勒烯的纳米颗粒组成，这些纳米颗粒是由镍金属、NiO和NiOOH纳米颗粒修饰的掺杂碳点组成的。采用计时电流法从PFAS（全氟-1-丁烷-磺酰氟）中获得了F， s掺杂碳点的类富勒烯纳米颗粒。巴基球纳米结构是基于功能化MWCNTs、F、s掺杂碳点溶液和醋酸镍水溶液的直接混合物。利用基质辅助激光解吸/电离（MALDI）、高分辨率透射电子显微镜（HRTEM）、拉曼光谱（Raman）、x射线光电子能谱（XPS）和电化学技术对F、s掺杂碳点、镍纳米粒子和碳同素异素/镍纳米结构进行了表征。利用碳同素异素/镍纳米结构修饰印刷金电极制备了灵敏的电化学传感器，并用于同时测定pH为6.5的缓冲溶液中的吡虫啉、虫硫磷和草甘膦。该传感器在同时测定杀虫磷、草甘膦和吡虫啉农药中表现出良好的电催化活性，检出限分别为19.6、5.14和37.9 pM，具有较高的灵敏度和选择性。该传感器还可用于测定自来水和橙汁中吡虫啉、杀虫硫磷和草甘膦等农药的含量，回收率高。

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