Environmental science. Advances最新文献

{"title":"Health risk assessment of polychlorinated biphenyls in a fish species (Clarias gariepinus) from southwestern rivers, Nigeria†","authors":"I. A. Ololade, A. O. Apata, O. J. Oloyede, O. I. Akindumila, O. P. Asanga and F. F. Oloye","doi":"10.1039/D4VA00399C","DOIUrl":"https://doi.org/10.1039/D4VA00399C","url":null,"abstract":"<p >The catfish (<em>Clarias gariepinus</em>) is commonly eaten in Nigeria, especially in the southwestern region. In this study, the levels of polychlorinated biphenyls (PCBs) in the muscles of <em>Clarias gariepinus</em> from six major rivers in the area were measured using gas chromatography with an electron capture detector. The PCB concentration ranged from 4.63 to 21.96 mg kg<small>⁻¹</small> in the dry season and from 5.26 to 23.52 mg kg<small>⁻¹</small> in the wet season. There were significant differences in PCB concentrations between the two seasons. The ∑PCB concentrations at any location were above the Food and Drug Administration tolerance level of 2.0 mg kg<small>⁻¹</small> and other regulatory limits. The study found that chlorinated PCB congeners with a high octanol–water partition coefficient (<em>K</em><small>_ow</small>) dominated the congener profiles. The most dominant congener was #101, comprising 12.3% to 17.8% of the total PCB concentration. The study also found that the levels of non-carcinogenic hazard quotient (HQ) and hazard index (HI) were below 1, suggesting no non-carcinogenic health risks from consuming <em>Clarias gariepinus</em>. However, the cumulative cancer risks (∑CR) fall within the low CR classification (10<small>⁻⁶</small>–10<small>⁻⁴</small>) by USEPA for all age categories. Also, the toxic equivalent quantity range was comparatively and significantly higher than the estimated non-carcinogenic screening values, suggesting potential health concerns. The study concluded that regular and continuous consumption of <em>Clarias gariepinus</em> as a significant portion of the diet may expose humans to unacceptable PCB concentrations due to residual environmental concentrations rather than a recent introduction.</p>","PeriodicalId":72941,"journal":{"name":"Environmental science. Advances","volume":" 7","pages":" 1065-1078"},"PeriodicalIF":3.5,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/va/d4va00399c?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144339047","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The effect of biosolid/soil composition on growth and uptake of zinc (Zn) by broccoli (Brassica oleracea var.) under greenhouse conditions†","authors":"Kefa K. Onchoke, Brett P. Horalan Jnr. and Robert B. Friedfeld","doi":"10.1039/D4VA00266K","DOIUrl":"https://doi.org/10.1039/D4VA00266K","url":null,"abstract":"<p >Wastewater sludge (also known as biosolids) is commonly applied to agricultural and forestry land, offering the advantage of recycling nutrients and organic matter from the waste material back to the land. This study investigated the influence of biosolids on the uptake of Zn by broccoli (<em>Brassica oleracea</em> var.), a commonly consumed vegetable, grown in biosolid-amended soil compositions, by using Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy coupled with energy dispersive X-ray spectroscopy (SEM/EDX). Broccoli was grown in soil amended with composted wastewater sludge at five different compositions (0, 25, 50, 75, and 100% wt/wt) treated with 100 ppm Zn at the beginning. <em>Brassica oleracea</em> var. (broccoli) plants from pot experiments were harvested after 30 days and Zn concentrations in plant parts (root, stem, and leaf) were analyzed by using flame atomic absorption (FAA) spectroscopy. Harvested biomass increased by 141–454% in comparison to the control (zero% wt/wt biosolid). The best growth was apparent at 25% (w/w)–75% (biosolid wt/wt), with Zn concentrations in plant parts found in the order [Zn]<small>_root</small> &gt; [Zn]<small>_shoot</small> &gt; [Zn]<small>_leaf</small>. SEM/EDX and FTIR spectral data show the presence of carboxyl functional groups that can bind Zn. The investigation shows that biosolids influence the yield and root-to-shoot-leaf transfer of Zn.</p>","PeriodicalId":72941,"journal":{"name":"Environmental science. Advances","volume":" 6","pages":" 912-920"},"PeriodicalIF":3.5,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/va/d4va00266k?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144148220","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Initial estimates of the lifetime of unsmoked cellulose diacetate and paper cigarette filters in the coastal ocean†","authors":"Collin P. Ward, Christopher M. Reddy and Bryan D. James","doi":"10.1039/D4VA00364K","DOIUrl":"https://doi.org/10.1039/D4VA00364K","url":null,"abstract":"<p >Cigarette filters (CFs) are the most littered items on the planet, but their fate in the coastal ocean is unknown. The results of this study demonstrate that unsmoked cellulose diacetate and proposed replacement paper CFs have similar lifetimes, suggesting that policy aimed at transitioning to paper filters is unlikely to reduce CF pollution in coastal areas. Three alternative paths to curb CF pollution are discussed, focusing on research, infrastructure, and education.</p>","PeriodicalId":72941,"journal":{"name":"Environmental science. Advances","volume":" 7","pages":" 1014-1023"},"PeriodicalIF":3.5,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/va/d4va00364k?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144339036","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"AI for enhanced water quality data imputation: a deep learning perspective","authors":"Ishan Prasad Banjara, Suman Poudel, Kalam Pariyar, Deepesh Upreti, Antigoni Zafeirakou and Shukra Raj Paudel","doi":"10.1039/D4VA00367E","DOIUrl":"https://doi.org/10.1039/D4VA00367E","url":null,"abstract":"<p >Water quality data, a crucial resource for scientific water resource management practices (<em>e.g.</em>, irrigation), engineering solutions (<em>e.g.</em>, process control of both water and wastewater treatment plants), <em>etc.</em>, are often hindered in their utility due to missingness within the dataset. Addressing this challenge, this perspective article underscores the necessity of missing data imputation. Along with highlighting the imputation strengths and limitations of different statistical and machine learning models, this article highlights deep learning (DL) models, and their underlying major limitations as well as potential resolutions. This study embodies novelty by proposing a robust model, integrating diverse solutions with an aim to set new standards in terms of accuracy, efficiency and adaptability in the domain of water quality data analysis. The paper presents the real-world implementation of the proposed framework along with its limitations and potential resolutions. Finally, the study concludes by calling forth coordinated efforts from researchers of diverse disciplines for developing a novel, generalized, and memory-efficient deep learning architecture.</p>","PeriodicalId":72941,"journal":{"name":"Environmental science. Advances","volume":" 6","pages":" 817-823"},"PeriodicalIF":3.5,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/va/d4va00367e?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144148215","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Multifunctional copolymers for brilliant green dye removal: adsorption kinetics, isotherm and process optimization†","authors":"Yassin A. Aggour, El-Refaie Kenawy, Marwa Magdy and Elsayed Elbayoumy","doi":"10.1039/D4VA00404C","DOIUrl":"https://doi.org/10.1039/D4VA00404C","url":null,"abstract":"<p >The presence of toxic dyes in water stream poses a significant environmental threat to human health and aquatic life. In this study, poly(AN-<em>co</em>-AMPS) was synthesized <em>via</em> free radical copolymerization and evaluated as an adsorbent for the removal of brilliant green (BG) dye from aqueous solutions. Comprehensive characterization using FTIR spectroscopy, XRD, TGA, FESEM, EDX, XPS and BET confirmed the successful synthesis of poly(AN-<em>co</em>-AMPS) with a high surface area of 64.07 m<small>²</small> g<small>⁻¹</small>. Adsorption studies revealed optimal removal conditions at pH 7, 298 K, 0.1 g adsorbent dosage, 7.5 mg L<small>⁻¹</small> initial dye concentration, and 80 min contact time, achieving a maximum removal efficiency of 99.5%. Adsorption isotherm analysis demonstrated a strong fit to the Langmuir model with a maximum adsorption capacity of 16.28 mg g<small>⁻¹</small>, while kinetic studies indicated a pseudo-second-order mechanism. Thermodynamic analysis confirmed that the adsorption process is spontaneous (Δ<em>G</em> &lt; 0) and endothermic (Δ<em>H</em> &gt; 0). The primary adsorption mechanisms were identified as electrostatic, hydrogen bond and π–π interactions. Furthermore, regeneration studies showed that poly(AN-<em>co</em>-AMPS) maintained high stability and removal efficiency over six successive cycles. The Box–Behnken design (BBD) optimization provided a statistical model for predicting the adsorption performance under varying conditions. These findings highlight the potential of poly(AN-<em>co</em>-AMPS) as a promising, reusable adsorbent for BG dye removal from wastewater.</p>","PeriodicalId":72941,"journal":{"name":"Environmental science. Advances","volume":" 5","pages":" 787-808"},"PeriodicalIF":3.5,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/va/d4va00404c?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143883532","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ecotoxicity and chemical characterization of tropical soil under different periods of exposure to cattle slaughterhouse effluent","authors":"Miréia Aparecida Bezerra Pereira, Anna Karla dos Santos Pereira, Thayrine Dias Carlos, Gilson Araújo de Freitas, Thaynara Coutinho Menezes, Vanessa Bezerra de Menezes Oliveira, Renato de Almeida Sarmento, Grasiele Soares Cavallini and Amadeu Mortágua Velho da Maia Soares","doi":"10.1039/D4VA00373J","DOIUrl":"https://doi.org/10.1039/D4VA00373J","url":null,"abstract":"<p >This study aimed to evaluate the toxicity of effluent obtained from a bovine slaughterhouse on the reproductive parameters of the springtail <em>Folsomia candida</em> and on the chemical properties of natural tropical soil with different application ages. The soils used for the chemical and ecotoxicological characterization tests were collected from the Mombaça grass pasture area of Chácara Malu, Gurupi, Tocantins, which belongs to the city's cattle slaughterhouse. Four pastures were subjected to four different treatments: effluent application for 5, 10, and 15 years and no effluent application (control). Soil samples were collected from three layers of depths: 0–10, 10–20, and 20–30 cm. The experiments were performed in accordance with the ABNT NBR ISO 11267/2019 standard. Our results demonstrated that bovine slaughterhouse effluent can be used as an alternative water source and can supply macro- and micronutrients for pasture production. Additionally, the application of cattle slaughterhouse effluent for 5, 10, and 15 years remedied soil acidity, thereby increasing the pH and macro- and micronutrient contents in the soil. Furthermore, effluent treatment altered the soil's chemical properties, which in turn affected the reproduction of the springtail <em>F. candida</em>. Taken together, these results may facilitate the development of strategies that promote sustainable agricultural production by converting animal residues into properly managed fertilizers.</p>","PeriodicalId":72941,"journal":{"name":"Environmental science. Advances","volume":" 5","pages":" 763-770"},"PeriodicalIF":3.5,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/va/d4va00373j?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143883530","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Air–water exchange fluxes of phthalates and phenolics xenoestrogens on Xietang River and East Taihu Lake in Suzhou and the potential health risks†","authors":"Minhao Wang, Dongling Li, Ting Tong, Ziyu Zhang, Yuwei Xia, Xinhui Shi, Haifei Zhang, Kui Chen, Fang Wang, Xiaowei Tie and Lei Han","doi":"10.1039/D5VA00001G","DOIUrl":"https://doi.org/10.1039/D5VA00001G","url":null,"abstract":"<p >As endocrine disruptors, xenoestrogens are prevalent in inland lakes and are mainly attributed to atmospheric transportation. There is limited research on the air–water exchange of xenoestrogens in inland waters and the consequent health effects. This study investigated the air–water exchange process of selected xenoestrogens and associated health risks in adults by examining water and PM<small>_2.5</small> samples from the East Taihu Lake and Xietang River in Suzhou. The mean concentration of total xenoestrogens in surface water and PM<small>_2.5</small> were 40.30 ± 7.19 ng L<small>⁻¹</small> and 460.13 ± 31.87 ng m<small>⁻³</small> (East Taihu Lake), 536.69 ± 99.62 ng L<small>⁻¹</small> and 63.93 ± 3.82 ng m<small>⁻³</small> (Xietang River), respectively. Utilising a two-film model, the air–water exchange flux was calculated, with BPA exhibiting the most comprehensive range among all xenoestrogens from −8.88 × 10<small>⁹</small> to −1.01 × 10<small>¹⁰</small> near East Taihu Lake and −1.32 × 10<small>¹⁰</small> to −1.13 × 10<small>¹⁰</small> (ng m<small>⁻²</small> d<small>⁻¹</small>) near Xietang River. Different xenoestrogens displayed various air–water exchange directions. DBP shows the highest dry deposition fluxes of 9373.26 ± 611.59 near East Taihu Lake and 478.97 ± 48.00 (ng m<small>⁻²</small> d<small>⁻¹</small>) near Xietang River. The study also assessed the non-dietary exposure risk of six xenoestrogens in PM<small>_2.5</small> for adults, concluding that no non-cancer risks were identified, with a hazard index below 1. DEHP concentration is within an acceptable level of carcinogenic risk (incremental lifetime cancer risk &lt;10<small>⁻⁶</small>). Results from this study underscore the importance of developing and implementing xenoestrogen management policies in the Taihu Lake Basin.</p>","PeriodicalId":72941,"journal":{"name":"Environmental science. Advances","volume":" 5","pages":" 771-786"},"PeriodicalIF":3.5,"publicationDate":"2025-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/va/d5va00001g?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143883531","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Bias enhanced electro-photocatalysis on TiO2 nanoporous materials for decomposition of forever chemicals in saltwater†","authors":"Sapanbir S. Thind, Bobby A. Ryane, John. B. Hayden, Ian Chagunda, Mathias Paul and J. Scott McIndoe","doi":"10.1039/D4VA00423J","DOIUrl":"https://doi.org/10.1039/D4VA00423J","url":null,"abstract":"<p >In this study, a TiO<small>₂</small>-based bias-enhanced photocatalytic system was prepared with the aim of achieving high photocatalytic activity in deionized as well as in saltwater systems. Highly ordered TiO<small>₂</small> nanoporous materials were fabricated <em>via</em> a double-anodization method. A potential bias was applied that suppresses electron–hole recombination and deters interference from the ions present in the solution while minimizing electrochemical reactions. Photodegradation reactions involving Rhodamine B (RhB) were conducted to evaluate the efficacy of the nanomaterials with and without the applied bias. Our experimental results revealed that the synthesized TiO<small>₂</small> nanomaterials possessed high photochemical activity under UVA light, substantially enhanced with the applied bias. A very significant enhancement was observed when the Bias Enhanced Electrolytic Photocatalysis (BEEP) system was used in saline solutions. Higher photocatalytic efficiency was achieved with the increase in the salinity level in the reaction mixture. These bias-enhanced nanomaterials were successfully tested for the degradation of per- and polyfluorinated substances (PFAS), recognized as a significant threat to the environment and human health. The results indicated that the presented technology could eliminate a wide range of fluorinated molecules. The simplicity, efficacy and scalability of the new BEEP approach described in this study make use of the TiO<small>₂</small>-based advanced oxidation process (AOP) possible in designing high-performance water purification technologies applicable to fresh and salt water.</p>","PeriodicalId":72941,"journal":{"name":"Environmental science. Advances","volume":" 7","pages":" 1024-1034"},"PeriodicalIF":3.5,"publicationDate":"2025-03-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/va/d4va00423j?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144339043","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Chemodosimetric sensing of hydrazine via an irreversible reaction-based sensor and its multifunctional applications†","authors":"Jhorna Borah, Arati Chetry, Anisha Pegu, Pankaj Dutta, Anupaul Baruah and Prithiviraj Khakhlary","doi":"10.1039/D4VA00339J","DOIUrl":"https://doi.org/10.1039/D4VA00339J","url":null,"abstract":"<p >Herein, we developed a very easy-to-synthesize, cost-effective and efficient chemosensor for hydrazine using readily available starting materials. The probe exhibited high sensitivity and selectivity for hydrazine in the presence of other interfering analytes through an irreversible reaction-based mechanism. The changes in the photophysical properties of the chemosensor in presence of this analyte were visible to the naked eye. The limit of detection (LOD) of hydrazine was found to be 1.7 ppb, indicating that even trace amounts could be detected. For on-site sensing of the mentioned analyte, the probe was immobilized in a naturally abundant starch-PVA polymer matrix. Hydrazine induced a visual colour change in the resulting composite film, enabling its on-site detection. The practical application of the probe was also demonstrated, which showed that the probe can detect the analyte in water and soil samples. The mechanism of sensing was established <em>via</em> NMR titration. The photophysical properties of the chemosensor before and after treatment with hydrazine were validated with theoretical studies.</p>","PeriodicalId":72941,"journal":{"name":"Environmental science. Advances","volume":" 7","pages":" 1054-1064"},"PeriodicalIF":3.5,"publicationDate":"2025-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/va/d4va00339j?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144339045","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Reframing forest-based climate actions","authors":"Fuming Zhao, Yueqin Shen and Runsheng Yin","doi":"10.1039/D4VA00361F","DOIUrl":"https://doi.org/10.1039/D4VA00361F","url":null,"abstract":"<p >Forests are a crucial component in the international efforts toward mitigating climate change. Achieving the potential contribution of forest climate actions, however, is challenging. Just as the technical issues like monitoring and MRV (measurement, reporting, and verification) must be addressed, the institutional issues of fulfilling the emission reduction and removal (ER&amp;R) responsibility, including climate governance and finance, must be worked out. Compared to the broad attention that the technical issues have attracted, however, fewer studies have explored the institutional issues. This article presents our perspective on how to tackle the institutional and technical issues coherently by asserting that it is paramount to build a more balanced portfolio of knowledge base and policy response. In addition to raising their climate ambitions, countries should consolidate their approaches to climate governance and nest local initiatives within the jurisdictional programs. They should also strengthen their means and measures for carrying out their commitments, including implementing more effective ER&amp;R plans and enhancing carbon pricing mechanisms and public and private partnerships of climate investment. Thus, more research should be done on the comparative performance of alternative approaches to climate governance and nesting, and adopting more transparent standards, protocols, and methodologies. Further, greater attention should be directed to the longer-term, multi-dimensional effects of forest interventions with more reliable data and more robust techniques. Other than pursuing actions of the large, non-RBP (results-based payments) space, future research needs to examine not only the “results” but also the “payments” of RBP interventions.</p>","PeriodicalId":72941,"journal":{"name":"Environmental science. Advances","volume":" 5","pages":" 705-712"},"PeriodicalIF":3.5,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/va/d4va00361f?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143883543","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}