Article
Environmental Sciences
Manee Jindakaraked, Eakalak Khan, Puangrat Kajitvichyanukul
Summary: The biodegradation of paraquat was studied using immobilized microbial cells on nanoceramics made from nanoscale kaolinite. Pseudomonas putida and Bacillus subtilis were immobilized separately on the nanoceramics. The attachment was due to electrostatic force interactions, hydrogen bonding, and covalent bonding between the cells and the support materials. The immobilized cells on the nanoceramics showed a significant removal of paraquat, with approximately 92% removed within 10 hours, compared to only 4% removal by free cells. The nanoceramics also exhibited a decrease in dissolved organic nitrogen, with ICnc-B responsible for 34% degradation and ICnc-P responsible for 22%. Ammonia was identified as the end product of paraquat mineralization.
Article
Environmental Sciences
A. Amala Lourthuraj, Mohammad Rafe Hatshan, Dina S. Hussein
Summary: This study aimed to identify pesticide degrading bacteria and localize organophosphate hydrolase activity. Results showed that two bacteria isolated from contaminated samples were able to efficiently remove chlorpyrifos and utilize pesticides as a source of carbon and energy.
ENVIRONMENTAL RESEARCH
(2022)
Article
Environmental Sciences
Manee Jindakaraked, Eakalak Khan, Puangrat Kajitvichyanukul
Summary: This study found that the ceramic with sludge had more immobilized cells, higher paraquat removal efficiency, and significantly reduced dissolved organic nitrogen. The addition of wastewater sludge to the ceramic enhanced the removal of paraquat contaminants.
ENVIRONMENTAL POLLUTION
(2021)
Article
Green & Sustainable Science & Technology
Supitchaya Jenjaiwit, Nontipa Supanchaiyamat, Andrew J. Hunt, Yuvarat Ngernyen, Thunyalux Ratpukdi, Sumana Siripattanakul-Ratpukdi
Summary: The study demonstrates that using microbial cells immobilized on waste biochar can achieve high TCC removal efficiency in wastewater treatment. The use of cell-immobilized biochar shows significant potential for future utilization and can contribute to the development of a circular bio-based economy using renewable agroindustrial wastes.
JOURNAL OF CLEANER PRODUCTION
(2021)
Article
Environmental Sciences
Shah Md Asraful Islam, Shabina Yeasmin, Md Saiful Islam
Summary: The study demonstrated that transgenic Arabidopsis plants with the ophB gene exhibited increased tolerance to organophosphate pesticides, showing higher bioremediation abilities and toxicity resistance compared to wild type plants.
JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART B-PESTICIDES FOOD CONTAMINANTS AND AGRICULTURAL WASTES
(2021)
Article
Environmental Sciences
Zhihao Zhao, Wei Chen, Ying Cheng, Jiabing Li, Zuliang Chen
Summary: A new functional biomaterial based on rGO-BK was prepared and showed a higher removal efficiency of naphthalene compared to free BK and rGO alone. This study demonstrated that the removal of naphthalene by rGO-BK involved both chemically dominated adsorption and biodegradation.
ENVIRONMENTAL RESEARCH
(2023)
Review
Environmental Sciences
Shifa Naseem, Raja Singh Rawal, Deepshikha Pandey, Sunil Kumar Suman
Summary: Environmental concerns regarding industrial wastewater containing dyes have increased with industrial development. Decolorization of industrial effluents is crucial for color-free discharge. Biodegradation using laccase enzyme has emerged as a competitive method. Laccase, a green catalyst, exhibits high catalytic activity and has been extensively studied for dye remediation, but immobilization is necessary to fully utilize its potential.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Biochemistry & Molecular Biology
Samina Ambreen, Azra Yasmin
Summary: The study demonstrated that a bacterial strain Bacillus thuringiensis MB497 isolated from wheat/cotton fields in Pakistan has a high efficiency in degrading both Chlorpyrifos (CPF) and 3,5,6-Trichloro-2-pyridinol (TCP), effectively breaking down these organophosphate pesticides in soil and water.
PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY
(2021)
Article
Environmental Sciences
Muneer Ahmad Malla, Anamika Dubey, Ashwani Kumar, Shweta Yadav, Sheena Kumari
Summary: The ongoing and extensive use of pesticides has a negative impact on the environment and human health. This study investigated the potential of Bacillus cereus AKAD 3-1, isolated from the soybean rhizosphere, in degrading chlorpyrifos and glyphosate. The optimization and validation of different process variables were carried out using response surface methodology and artificial neural network. The results showed that B. cereus AKAD 3-1 had a high removal efficiency for both chlorpyrifos and glyphosate under optimized conditions.
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
(2023)
Article
Food Science & Technology
Julia A. Penatzer, Nicole Prince, Julie Miller, Mackenzie Newman, Cayla Lynch, Gerald R. Hobbs, Jonathan W. Boyd
Summary: Chlorpyrifos is a widely-used pesticide in agriculture with certain occupations at higher risk for exposure, which can lead to brain injury. Workers with the highest risk of exposure experience elevated cortisol levels, leading to physiological stress. A mouse model combining corticosterone with chlorpyrifos oxon showed increased neuroinflammation post-exposure.
FOOD AND CHEMICAL TOXICOLOGY
(2021)
Article
Biotechnology & Applied Microbiology
N. Tehri, S. Khanna, A. Vashishth
Summary: The present study developed aerobic consortia and bacterial isolates from pesticide-contaminated soil in Rajasthan, India using selective enrichment technique. The biodegradation potential of the consortia and isolates were evaluated through chromatographic analysis. Results showed that the developed consortia C1, C2, and C3 degraded chlorpyrifos to 51%, 25%, 38% and 43%, 61%, 68% respectively after 14 and 28 days of incubation in basal medium. Additionally, six bacterial cultures, identified as Alcaligenes sp., Bacillus subtilis, Enterobacter sp., Klebsiella sp., Micrococci sp. and Pseudomonas aeruginosa, obtained from these consortia, exhibited degradation of chlorpyrifos to concentrations of 34%, 38%, 23%, 38%, 26%, 43% and 71%, 76%, 52%, 82%, 63%, 89% after 7 and 15 days of incubation. Monitoring the formation and disappearance of 3,5,6-trichloro-2-pyridinol, a major metabolite of chlorpyrifos biodegradation, confirmed the success of biodegradation. The findings highlight the strong potential of soil derived consortia and bacterial isolates, which may be promising candidates for bioremediation of chlorpyrifos-contaminated sites.
APPLIED BIOCHEMISTRY AND MICROBIOLOGY
(2023)
Article
Engineering, Chemical
Abdelfattah Amari, Fatimah Mohammed Alzahrani, Norah Salem Alsaiari, Khadijah Mohammedsaleh Katubi, Faouzi Ben Rebah, Mohamed A. Tahoon
Summary: The laccase enzyme was successfully immobilized on a magnetic amino-functionalized metal-organic framework Fe3O4-NH2@MIL-101(Cr), showing excellent resistance to high temperatures and low pH levels. The immobilized laccase system displayed high stability and effective biodegradation of Reactive Black 5 and Alizarin Red S dyes in water.
Article
Polymer Science
Nilanjal Misra, Swarnima Rawat, Narender Kumar Goel, Shubhangi Atmaram Shelkar, Asheesh Kumar, Virendra Kumar
Summary: In this study, polypropylene ultracentrifuge tubes were internally surface functionalized with epoxy groups using Co-60 gamma radiation mediated grafting. Lipase enzymes were immobilized inside the tubes via covalent coupling reactions. The immobilized lipase system showed improved temperature and pH tolerance compared to the free enzyme, and successfully detected the pesticide chlorpyrifos.
JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY
(2022)
Article
Chemistry, Analytical
Xiudan Hou, Rong Ding, Wenpeng Jiang, Qingli Yang, Xiangzhao Mao
Summary: An ultra-sensitive and high-efficient AChE electrochemical sensing platform based on MXene/CNTs and Au-Pd composites was constructed for rapid detection of chlorpyrifos. The introduction of CNTs and AuPd nanoparticles reduced the stacking of MXene layers and increased the utilization of specific surface area. The method showed low impedance, high repeatability, reproducibility, and anti-interference ability, and successfully detected chlorpyrifos in food samples.
MICROCHEMICAL JOURNAL
(2023)
Article
Environmental Sciences
Agnieszka Kolodziejczak-Radzimska, Long D. Nghiem, Teofil Jesionowski
Summary: Untreated wastewater discharge can have a significant negative impact on the environment. This review discusses the importance of functionalized materials in preparing biocatalytic systems to eliminate water pollutants. Recent studies have shown the use of various materials for enzyme immobilization in water purification, with a focus on developing new platforms to improve degradation efficiency.
CURRENT POLLUTION REPORTS
(2021)
Article
Materials Science, Multidisciplinary
Zameer Abbas, Francis Agada, Afzal Hussain Kamboh, Asad Muhammad Khan, Umar Farooq, Muhammad Bilal, Muhammad Arshad, Ahson Jabbar Shaikh
Summary: In this study, three perovskite solar cells were fabricated with different ratios of graphene oxide and copper iodide as hybrid hole transport layers. The power conversion efficiencies were extrapolated to find the efficiencies of other compositions of these materials, and it was found that copper iodide showed better hole transport characteristics. This simplistic approach can be utilized for any combination of charge transport layers in perovskite solar cells.
JOURNAL OF MATERIALS RESEARCH
(2022)
Article
Engineering, Environmental
Kamran Manzoor, Sher Jamal Khan, Maria Yasmeen, Yousuf Jamal, Muhammad Arshad
Summary: The performance of a lab-scale anaerobic membrane distillation bioreactor system for treating high-strength synthetic textile wastewater was evaluated. The system achieved high removal efficiencies for COD and color, while maintaining steady biogas production and low conductivity.
JOURNAL OF WATER PROCESS ENGINEERING
(2022)
Article
Environmental Sciences
Fasiha Safdar, Muhammad Fahim Khokhar, Fatimah Mahmood, Muhammad Zeeshan Ali Khan, Muhammad Arshad
Summary: This study investigates the observed and future precipitation changes in Pakistan using ground, satellite, and model data. The findings reveal a decreasing trend in winter precipitation and an increase in pre-monsoon precipitation. Future precipitation estimates suggest a rise in precipitation for the northern and western parts of Pakistan, while a decrease is predicted for the plains, which could have negative consequences for agriculture.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Materials Science, Multidisciplinary
Francis Agada, Zameer Abbas, Khush Bakht, Asad Muhammad Khan, Umar Farooq, Muhammad Bilal, Muhammad Arshad, Abdul Faheem Khan, Afzal Hussain Kamboh, Ahson Jabbar Shaikh
Summary: This study fabricates complete quantum dot based hole and electron transport layers for perovskite solar cells using hybrid compositions including carbon and inorganic based quantum dots. By plotting and extrapolating experimental efficiency against the percentage composition of quantum dots in the electron transport layer, the unknown efficiencies of other compositions can be estimated with a minimal set-up. The smart minimal set-up design allows for maximum information extraction in a minimum time period for a range of perovskite solar cells.
Article
Environmental Sciences
Iram Gul, Maria Manzoor, Imran Ahmad, Jean Kallerhoff, Muhammad Arshad
Summary: The present study evaluated the removal of cadmium from contaminated soil using the ornamental plant Pelargonium x hortorum. It was found that the plant can accumulate cadmium and convert it into nanoparticles. Despite the phytotoxic effects of cadmium, P. hortorum was able to survive at higher concentrations and exhibited good tolerance.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Engineering, Environmental
Maria Yasmeen, Muhammad Saqib Nawaz, Sher Jamal Khan, Noreddine Ghaffour, Muhammad Zafar Khan
Summary: This experimental study explores the feasibility of reusing dyes recovered from denim and polyester dyebath effluents using forward osmosis system to achieve zero hazardous material discharge. The results show that under specific conditions, dyes can be effectively recovered and reused in the textile industry using sodium dodecyl sulfate as the draw solution.
Article
Biochemistry & Molecular Biology
Aamir Khan, Sher Jamal Khan, Waheed Miran, Waqas Qamar Zaman, Alia Aslam, Hafiz Muhammad Aamir Shahzad
Summary: To evaluate the efficiency of a Decentralized Wastewater Treatment System (DWTS) for domestic wastewater treatment, an Anaerobic Baffled Reactor (ABR) and an Anaerobic Filter (AF) with Membrane Filtration (MF) module were studied. The ABR's performance at different Hydraulic Retention Times (HRTs) resulted in COD removal efficiencies of 74%, 72%, 69%, and 65%. The AF, using different filtration media, showed the highest performance with PVC pipe (20 mm), achieving COD, TP, and TKN removals of 79%, 32%, and 63%, respectively. The combined system proved its efficacy with significant COD and turbidity removal of 94.6% and 87.2%.
Article
Environmental Sciences
Anum Amin, Maria Manzoor, Muhammad Wajahat Ramay, Ali Hassan, Kiran Hina, Asad Syed, Ali H. Bahkali, Muhammad Arshad
Summary: This study aimed to assess the potential of nanoparticles for the photodegradation of antibiotics and the subsequent improvement in crop productivity and quality. The results showed that TiO2 nanoparticles were the most effective for the removal of antibiotics, with degradation rates of 65% for amoxicillin and 56% for levofloxacin on the 7th day. Furthermore, the application of TiO2 nanoparticles improved the growth and nutrient uptake of wheat under antibiotic stress.
Article
Environmental Sciences
Marium Fiaz, Iftikhar Ahmed, Sumara Masood Ul Hassan, Adnan Khan Niazi, Muhammad Fahim Khokhar, Muhammad Ansar Zeshan, Muhammad Ansar Farooq, Muhammad Arshad
Summary: Excessive use and release of antibiotics in the developing world have negatively impacted soil processes and crop growth. This study investigated the effects of oxytetracycline and levofloxacin on mung bean plants, showing decreased nitrate reductase activity and increased antioxidant enzyme activity. Lower concentrations of antibiotics increased nitrogen content and overall plant biomass, while higher concentrations decreased plant biomass and nitrogen content. Plants treated with levofloxacin and mixtures exhibited increased glutamine synthetase activity. Low doses of antibiotics had lower toxicity symptoms, but higher doses showed increased oxidative stress. The toxicity trend was levofloxacin > mixture > oxytetracycline.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Green & Sustainable Science & Technology
Maria Manzoor, Usman Rauf Kamboh, Sumaira Gulshan, Sven Tomforde, Iram Gul, Alighazi Siddiqui, Muhammad Arshad
Summary: This study compared the effectiveness of two modeling approaches, RSM and ANNs, in extracting lead from contaminated soil. The results showed that ANN was more accurate and achieved an extraction efficiency of 86.05%.
Article
Biochemistry & Molecular Biology
Zia Ur Rehman, Hira Amjad, Sher Jamal Khan, Maria Yasmeen, Aftab Ahmad Khan, Noman Khalid Khanzada
Summary: The study successfully prepared a recycled RO membrane by chemically converting the end-of-life RO membrane, and evaluated its performance in different water sources. The recycled RO membrane showed good performance in water recovery, saltwater rejection, and removal of COD and turbidity. It also exhibited similar morphological properties as a UF membrane and completely removed total coliforms. This solution can contribute to resource recovery and the circular economy in developing nations.
Article
Environmental Sciences
Muhammad Saqib Khan, Nadia Riaz, Saeed Rehman, Liu Chenhui, Ahson Jabbar Shaikh, Muhammad Arfan, Iftikhar Zeb, Muhammad Arshad, Farhan Hafeez, Muhammad Bilal
Summary: Graphene quantum dots (GQDs) were anchored to nitrogen-doped TiO2 using the sol-gel method, effectively expanding its light absorption range. The synthesized GQD-N-TiO2-300 nanocomposite exhibited excellent photocatalytic decolorization performance against RB5 due to the presence of GQDs as electron transporters and photosensitizers. This study provides a foundation for utilizing nonmetallic and environmentally friendly materials like GQDs to enhance the photocatalytic efficiency of TiO2, offering new possibilities for environmental applications.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Agriculture, Multidisciplinary
Israr Asghar, Maqsood Ahmed, Iram Gul, Muhammad Arshad, Muhammad Ishtiaq, Raja Tahir Mahmood, Adnan Umair, Muhammad Ansar Farooq, Sarfraz Ahmed, Imran Ali
Summary: The aim of this study was to investigate the potential of indigenous plant growth promoting bacteria (PGPB) for enhancing nutrient availability and plant growth. Soil samples were collected from fallow fields under long-term cultivation of wheat and maize in three different locations. The highest production and solubilization of important plant growth hormones and nutrients were observed in the soil from Samahni, followed by Barnala and Bhimber. Bacillus spp. and Pseudomonas spp. showed the highest levels of certain growth hormones and nutrients. These findings suggest that PGPB have the potential to enhance plant growth and nutrient regulation.
PAKISTAN JOURNAL OF AGRICULTURAL SCIENCES
(2023)
Article
Environmental Sciences
Maria Manzoor, Muhammad Shafiq, Iram Gul, Usman Rauf Kamboh, Dong-Xing Guan, Abdulrahman Ali Alazba, Sven Tomforde, Muhammad Arshad
Summary: This study investigated the root-induced organic acid secretions and their role in lead phytoextraction using the Pb hyperaccumulator Pelargonium hortorum. The results showed that malic acid and citric acid significantly increased the availability and uptake of lead in the soil, with malic acid being the most effective. The application of organic acids also improved soil enzymatic activities, indicating their potential for long-term soil regeneration.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2023)
Article
Environmental Sciences
Rabeea Zafar, Deedar Nabi, Arwa Abdulkreem Al-Huqail, Usama Jamil, Sher Jamal Khan, Zaheer Ahmed, Muhammad Arshad
Summary: The study aimed to devise a strategy for efficiently and concurrently eliminating multiple antibiotics from water. A silicone-based polymer adsorbent was prepared and successfully used to remove antibiotics from aqueous solutions. Various experiments and analyses were conducted to understand the adsorption mechanisms. The results showed that the adsorbent had high removal efficiency and could maintain its adsorption capacity after regeneration.
EMERGING CONTAMINANTS
(2023)
Article
Environmental Sciences
Toshimi Nakajima, Mao Kuragano, Makoto Yamada, Ryo Sugimoto
Summary: This study compared the contribution of submarine groundwater discharge (SGD) to river nutrient budgets at nearshore and embayment scales, and found that SGD-derived nutrients become more important at larger spatial scales.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Fan Liu, Lei Zhang, Chongyang Zhang, Ziguang Chen, Jingguang Li
Summary: NO2 emissions from wall-mounted gas stoves used for household heating have become a significant source of indoor pollution in Chinese urban areas. The high indoor concentration of NO2 poses potential health risks to residents. It is urgently necessary to establish relevant regulations and implement emission reduction technologies to reduce NO2 emissions from wall-mounted gas stoves.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Letter
Environmental Sciences
Hans Peter H. Arp, Raoul Wolf, Sarah E. Hale, Sivani Baskaran, Juliane Gluege, Martin Scheringer, Xenia Trier, Ian T. Cousins, Harrie Timmer, Roberta Hofman-Caris, Anna Lennquist, Andre D. Bannink, Gerard J. Stroomberg, Rosa M. A. Sjerps, Rosa Montes, Rosario Rodil, Jose Benito Quintana, Daniel Zahn, Herve Gallard, Tobias Mohr, Ivo Schliebner, Michael Neumann
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Philomina Onyedikachi Peter, Binessi Edouard Ifon, Francois Nkinahamira, Kayode Hassan Lasisi, Jiangwei Li, Anyi Hu, Chang-Ping Yu
Summary: This study investigates the relationship between dissolved organic matter (DOM) and Rare Earth Elements (REEs) in sediments from Yundang Lagoon, China. The results show four distinct fluorescent components, with protein-like substances being the most prevalent. Additionally, the total fluorescence intensity and LREE concentrations exhibit a synchronized increase from Outer to Inner to Songbai Lake core sediments. The findings demonstrate a strong correlation between DOM content and pollution levels.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Surya Gupta, Pasquale Borrelli, Panos Panagos, Christine Alewell
Summary: The objective of this study is to incorporate soil hydraulic properties into the erodibility factor (K) of USLE-type models. By modifying and improving the existing equations for soil texture and permeability, the study successfully included information on saturated hydraulic conductivity (Ksat) into the calculation of K factor. Using the Random Forest machine learning algorithm, two independent K factor maps with different spatial resolutions were generated. The results show that the decrease in K factor values has a positive impact on the modeling of soil erosion rates.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Jesmin Akter, Wendy J. M. Smith, Yawen Liu, Ilho Kim, Stuart L. Simpson, Phong Thai, Asja Korajkic, Warish Ahmed
Summary: The choice of workflow in wastewater surveillance has a significant impact on SARS-CoV-2 concentrations, while having minimal effects on HF183 and no effect on HAdV 40/41 concentrations. Certain components in the workflow can be interchangeable, but factors such as buffer type, chloroform, and homogenization speed can affect the recovery of viruses and bacteria.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Yu Luo, Xueting Yang, Diwei Wang, Hongmei Xu, Hongai Zhang, Shasha Huang, Qiyuan Wang, Ningning Zhang, Junji Cao, Zhenxing Shen
Summary: Atmospheric PM2.5, which can generate reactive oxygen species (ROS), is associated with cardiorespiratory morbidity and mortality. The study found that both the mass concentration of PM2.5 and the DTT activity were higher during the heating season than during the nonheating season. Combustion sources were the primary contributors to DTT activity during the heating season, while secondary formation dominated during the nonheating season. The study also revealed that biomass burning had the highest inherent oxidation potential among all sources investigated.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Erin L. Murphy, Leah R. Gerber, Chelsea M. Rochman, Beth Polidoro
Summary: Plastic pollution has devastating consequences for marine organisms. This study uses a trait-based framework to develop a vulnerability index for marine mammals, seabirds, and sea turtles in Hawai'i. The index ranks 63 study species based on their vulnerability to macroplastic pollution, providing valuable information for species monitoring and management priorities.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Kenji Maurice, Amelia Bourceret, Sami Youssef, Stephane Boivin, Liam Laurent-Webb, Coraline Damasio, Hassan Boukcim, Marc-Andre Selosse, Marc Ducousso
Summary: Growing pressure from climate change and agricultural land use is destabilizing soil microbial community interactions. Little is known about microbial community resistance and adaptation to disturbances, hindering our understanding of recovery latency and implications for ecosystem functioning. This study found that anthropic disturbance and natural disturbance have different effects on the topology and stability of soil microbial networks.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Yunhao Li, Yali Feng, Haoran Li, Yisong Yao, Chenglong Xu, Jinrong Ju, Ruiyu Ma, Haoyu Wang, Shiwei Jiang
Summary: Deep-sea mining poses a serious threat to marine ecosystems and human health by disturbing sediment and transmitting metal ions through the food chain. This study developed a new regenerative adsorption material, OMN@SA, which effectively removes metal ions. The adsorption mechanism and performance of the material for metal ion fixation were investigated.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Antonio Medici, Margherita Lavorgna, Marina Isidori, Chiara Russo, Elena Orlo, Giovanni Luongo, Giovanni Di Fabio, Armando Zarrelli
Summary: Valsartan, a widely used antihypertensive drug, has been detected in high concentrations in surface waters due to its unchanged excretion and incomplete degradation in wastewater treatment plants. This study investigated the degradation of valsartan and identified 14 degradation byproducts. The acute and chronic toxicity of these byproducts were evaluated in key organisms in the freshwater trophic chain.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Jiang Lin, Lianbao Chi, Qing Yuan, Busu Li, Mingbao Feng
Summary: This study investigated the photodegradation behavior and product formation of two representative pharmaceuticals in simulated estuary water. The study found that the formed transformation products of these pharmaceuticals have potential toxicity on marine organisms, including oxidative stress and damage to cellular components.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Hua Fang, Dongdong Jiang, Ye He, Siyi Wu, Yuehong Li, Ziqi Zhang, Haoting Chen, Zixin Zheng, Yan Sun, Wenxiang Wang
Summary: This study revealed that exposure to lower levels of air pollutants led to decreased pregnancy rates, with PM10, NO2, SO2, and CO emerging as the four most prominent pollutants. Individuals aged 35 and above exhibited heightened susceptibility to pollutants.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Ali Shaan Manzoor Ghumman, Rashid Shamsuddin, Amin Abbasi, Mohaira Ahmad, Yoshiaki Yoshida, Abdul Sami, Hamad Almohamadi
Summary: In this study, inverse vulcanized polysulfides (IVP) were synthesized by reacting molten sulfur with 4-vinyl benzyl chloride, and then functionalized using N-methyl D-glucamine (NMDG). The functionalized IVP showed a high mercury adsorption capacity and a machine learning model was developed to predict the amount of mercury removed. Furthermore, the functionalized IVP can be regenerated and reused, providing a sustainable and cost-effective adsorbent.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Rita Bonfiglio, Renata Sisto, Stefano Casciardi, Valeria Palumbo, Maria Paola Scioli, Erica Giacobbi, Francesca Servadei, Gerry Melino, Alessandro Mauriello, Manuel Scimeca
Summary: This study investigated the presence of aluminum in human colon cancer samples and its potential association with biological processes involved in cancer progression. Aluminum was found in tumor areas of 24% of patients and was associated with epithelial to mesenchymal transition (EMT) and cell death. Additional analyses revealed higher tumor mutational burden and mutations in genes related to EMT and apoptosis in aluminum-positive colon cancers. Understanding the molecular mechanisms of aluminum toxicity may improve strategies for the management of colon cancer patients.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
