Article
Environmental Sciences
David J. Yurkowski, Elena McCulloch, Wesley R. Ogloff, Kelsey F. Johnson, Remi Amiraux, Niladri Basu, Kyle H. Elliott, Aaron T. Fisk, Steven H. Ferguson, Les N. Harris, Kevin J. Hedges, Kevin Jacobs, Tracey N. Loewen, Cory J. D. Matthews, C. J. Mundy, Andrea Niemi, Bruno Rosenberg, Cortney A. Watt, Melissa A. McKinney
Summary: Combining mercury and stable isotope data sets can help determine whether predator's contaminant variation is influenced by diet, habitat use, or environmental factors. We examined 249 individuals from 15 fish and four marine mammal species in coastal Arctic waters to investigate inter-species variation in total Hg concentrations, trophic magnification slope between 815N and THg, and relationships of THg with 813C and 834S. Our findings highlight the significance of employing a multi-isotopic approach, including 834S, when studying trophic Hg dynamics in coastal marine systems.
MARINE POLLUTION BULLETIN
(2023)
Article
Environmental Sciences
Muhammad Rozaimi Mohd Zaki, Ahmad Zaharin Aris
Summary: Plastic pollution has become a global environmental concern, and nanoparticles of plastics have potential adverse effects on marine organisms. However, there is limited research on nanoplastics, and more baseline data and risk assessments are needed. This review provides insights into the nature, occurrence, and effects of nanoplastics on marine organisms, facilitating preventative measures against nanoplastics pollution.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Engineering, Environmental
Jiahui Wang, Jichao Zhang, Yan Gao, Haiyan Xiong, Wei Zhang, Bing Yan
Summary: The study found that ZrO2 NPs significantly facilitated the adsorption of arsenic and arsenate in water fleas and zebrafish tissues, while enhancing the transformation of organic arsenic and decreasing the synthesis of arsenobetaine, leading to an increase in inorganic arsenic. Co-exposure to arsenate and ZrO2 NPs promoted the upregulation of related genes, potentially exacerbating ecological risks.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Environmental Sciences
Cara Byns, Lies Teunen, Thimo Groffen, Robin Lasters, Lieven Bervoets
Summary: Per- and polyfluorinated alkyl substances (PFAS) are persistent chemicals that pose potential risks to aquatic wildlife. This study investigated the bioaccumulation and trophic transfer of PFAS in fish and crustaceans collected from the Belgian North Sea, as well as assessed the health risks to humans and the environment.
ENVIRONMENTAL POLLUTION
(2022)
Article
Environmental Sciences
Cong Wang, Yonglong Lu, Bin Sun, Meng Zhang, Ruoyu Mao, Xiaoqian Li, Shuai Song, Jixin Zhao, Mingzhao Yu, Yajuan Shi, Pei Wang
Summary: This study investigated the manipulation of freshwater food web through species introduction to control algae growth in Wuliangsuhai Lake and its impact on food web relationships and contaminant transfer. The results showed that fish in the manipulated area had lower trophic levels and lower concentrations of target pollutants. However, the trophic magnification factors of certain pollutants in fish increased.
ENVIRONMENT INTERNATIONAL
(2022)
Article
Public, Environmental & Occupational Health
Maura Benedetti, Elena Romano, Antonella Ausili, Daniele Fattorini, Stefania Gorbi, Chiara Maggi, Andrea Salmeri, Daniela Salvagio Manta, Giulio Sesta, Mario Sprovieri, Francesco Regoli
Summary: The Augusta Bay in eastern Sicily, Italy, is a highly impacted coastal environment with elevated levels of contaminants due to industrial activities. The concentrations of mercury and hexachlorobenzene were found to be high in sediments and showed strong bioaccumulation in different species. However, after the closure of the chlor-alkali plant in 2003, the bioavailability and biological effects of these contaminants gradually decreased. The persistence of mercury and hexachlorobenzene in the environment has implications for the health of marine organisms and possible risks to human health.
FRONTIERS IN PUBLIC HEALTH
(2022)
Article
Environmental Sciences
Ting Wang, Menghong Hu, Guangen Xu, Huahong Shi, Jonathan Y. S. Leung, Youji Wang
Summary: The study found that both water filtration and food consumption contribute to the accumulation of microplastics in the predatory marine crab. However, biomagnification of microplastics through consumption of contaminated mussels did not occur. The crabs upregulated detoxification and antioxidant defense mechanisms in response to the accumulation of microplastics, but these mechanisms collapsed when the concentration of microplastics exceeded a certain threshold.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Environmental Sciences
Carl Van Colen, Lieke Moereels, Brecht Vanhove, Henk Vrielinck, Tom Moens
Summary: The study reveals that filter feeders such as Blue mussels accelerate microplastic deposition and benthic fauna quickly bury them, suggesting a need to monitor microplastic pollution by sampling underneath filter feeders. Further research is needed to validate the proposed biological pump mechanism across space and time.
ENVIRONMENTAL POLLUTION
(2021)
Article
Environmental Sciences
Elijah Petersen, Ana C. Barrios, Rhema Bjorkland, David G. Goodwin Jr, Jennifer Li, Greta Waissi, Theodore Henry
Summary: Bioaccumulation is an important factor to consider for understanding the ecotoxicity of substances. While models and methods exist for evaluating bioaccumulation of dissolved substances, it is more difficult to assess the bioaccumulation of particulate contaminants like carbon nanomaterials and nanoplastics. This study critically reviews the methods used to evaluate bioaccumulation of different carbon nanomaterials and nanoplastics, finding that further research is needed to develop analytical methods for measuring unlabeled CNMs and nanoplastics.
ENVIRONMENT INTERNATIONAL
(2023)
Article
Engineering, Environmental
Jing Li, Yuefei Ruan, Yim Ling Mak, Xiaohua Zhang, James C. W. Lam, Kenneth M. Y. Leung, Paul K. S. Lam
Summary: This study analyzed the accumulation of 17 representative MLPs in 17 species of marine food web components. Results showed that MLP concentrations were highest in mollusks and lowest in fishes, with a trophic dilution of total MLP concentrations observed.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2021)
Article
Environmental Sciences
L. J. Zantis, T. Bosker, F. Lawler, S. E. Nelms, R. O'Rorke, R. Constantine, M. Sewell, E. L. Carroll
Summary: Large filter-feeding animals, such as baleen whales, are important indicators for microplastic pollution. This study found that baleen whales in coastal Auckland waters ingest a substantial number of microplastics through trophic transfer, significantly higher than previous estimates. It suggests that measuring plastic concentration from the environment alone underestimates exposure levels.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Marine & Freshwater Biology
Ping Liu, Dan Li, Feifan Wang, Lingtian Xie, Hongxing Chen
Summary: This study demonstrates the transfer of selenium from abiotic environments to freshwater organisms, leading to oxidative stress and potential impacts on the offspring. The research highlights the significance of dietary exposure in the accumulation and toxicity of selenium in aquatic organisms.
AQUATIC TOXICOLOGY
(2023)
Article
Environmental Sciences
C. M. Vineeth Kumar, V. Karthick, V. Ganesh Kumar, D. Inbakandan, Eldon R. Rene, K. S. Uma Suganya, Asha Embrandiri, T. Stalin Dhas, M. Ravi, P. Sowmiya
Summary: The presence and transformations of nanomaterials in the ecosystem contribute to their environmental toxicity, affecting the food chain. The toxicity of nanomaterials is influenced by environmental factors and their physico-chemical characteristics. Accumulation, biotransformation, and biomagnification are mechanisms that determine the fate of nanomaterials. This review discusses the recent advances in the transport, transformation, and fate of nanomaterials in the environment, as well as the impact on organisms and potential remediation options.
ENVIRONMENTAL RESEARCH
(2022)
Article
Engineering, Environmental
Di Du, Yonglong Lu, Yunqiao Zhou, Qifeng Li, Meng Zhang, Guoxiang Han, Haotian Cui, Erik Jeppesen
Summary: Knowledge on bioaccumulation and trophic transfer in food webs is crucial in evaluating contaminant hazards. This study investigated the presence of PFAAs in organisms sampled from Qinzhou Bay in the South China Sea, and found different distribution patterns between short-chain and long-chain PFAAs based on trophic positions. Results suggest a potential biomagnification effect of PFOS, while the effects of PFOA were less clear. Banned long-chain PFAAs were found to still persist in the coastal marine ecosystem, while emerging short-chain PFAAs showed high concentrations but no biomagnification.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Engineering, Environmental
Yaoyao Wang, Chuanxin Ma, Fei Dang, Lijuan Zhao, Dongmei Zhou, Xueyuan Gu
Summary: This study comprehensively assessed the application of CeO2 nanoparticles in the food chain of pakchoi and snails. The nanoparticles reduced arsenic uptake and exposure risk, and their transfer and excretion in the food chain were also investigated. The results suggest that CeO2 nanoparticles can be safely and sustainably applied in agriculture.
JOURNAL OF HAZARDOUS MATERIALS
(2024)
Article
Engineering, Environmental
Jingyi Xu, Xianjun Tan, Wenhui Ding, Arturo A. Keller, Yuxiong Huang
Summary: An external oxidant-free system was developed to generate reactive oxygen species (ROS) for the decontamination of antibiotics in natural water systems. Cobalt-doped Fe3S4 nanoflowers were designed and synthesized, which showed superior ability to adsorb and activate oxygen molecules. The use of these nanoflowers resulted in a significant improvement in the degradation rate of sulfamethoxazole and boosted the degradation efficiency of antibiotics. This study provides a new strategy for the control of emerging organics in water systems and sheds light on the mechanisms of in-situ ROS generation.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Engineering, Environmental
Caroline P. Vignardi, Adeyemi S. Adeleye, Mohsen Kayal, Ekene Oranu, Robert J. Miller, Arturo A. Keller, Patricia A. Holden, Hunter S. Lenihan
Summary: Environmental conditions in aquatic ecosystems play a significant role in transforming toxic chemicals, such as copper nanoparticles, and influencing their bioavailability and toxicity. This study investigated the accumulation and toxicity of aged nano-Cu in marine phytoplankton, and found that the dissolution rate of nano-Cu decreased during the first 4 weeks before increasing rapidly after 15 weeks. The toxicity of nano-Cu to phytoplankton decreased with particle aging from 0 to 4 weeks, but increased significantly after 15 weeks due to elevated Cu dissolution.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2023)
Editorial Material
Nanoscience & Nanotechnology
Arturo A. Keller, Alex Ehrens, Yuanfang Zheng, Bernd Nowack
NATURE NANOTECHNOLOGY
(2023)
Review
Environmental Sciences
Arturo A. Keller, Kendra Garner, Nalini Rao, Eladio Knipping, Jeffrey Thomas
Summary: Global changes, such as climate and land use changes, have significant impacts on water resources. In order to plan for these changes, it is necessary to make projections and evaluate different hydrologic and water quality models. Among the models evaluated, MIKE-SHE, HEC-HMS, MODHMS, SWAT, and WARMF stand out in terms of functionality, availability, applicability, and support.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Review
Engineering, Environmental
Mudi Zhai, Bomin Fu, Yuhui Zhai, Weijie Wang, Amy Maroney, Arturo A. Keller, Hongtao Wang, Jean-Marc Chovelon
Summary: The coexistence of pharmaceuticals and heavy metals poses a serious threat to aquatic environments. Adsorbents have been widely used for the simultaneous removal of pharmaceuticals and metals from water. The effectiveness of the adsorption process depends on various factors such as the characteristics of the adsorbents and contaminants, temperature, pH, inorganic ions, and natural organic matter. Bridging and competition effects play significant roles in promoting or inhibiting the adsorption process. This review provides valuable insights into the theoretical knowledge in this field and may contribute to the prevention and control of the coexistence of pharmaceuticals and heavy metals in wastewater.
Article
Agriculture, Multidisciplinary
Weiwei Li, Arturo A. Keller
Summary: This study optimized a targeted plant proteomics approach by developing and optimizing signature peptide selection, liquid chromatography with tandem mass spectrometry (LC-MS/MS) analysis method, and sample preparation method. Different protein extraction and precipitation methods, as well as digestion methods, were evaluated. The results showed that the phenol extraction method using fresh plant tissue, coupled with trypsin digestion, was the best sample preparation method for targeted proteomics studies. The optimized approach yielded higher peptide concentrations and detected additional signature peptides. This study provides a workflow for optimizing targeted proteomics studies.
ACS AGRICULTURAL SCIENCE & TECHNOLOGY
(2023)
Review
Chemistry, Applied
Arturo A. Keller
Summary: Inorganic nanomaterials such as TiO2 and ZnO provide effective UV protection, but concerns about their potential health and ecological implications have arisen. However, most studies suggest that the risks associated with these materials are minimal and their impact on human and environmental health is limited. Further research is needed to assess if sensitive habitats are at an elevated risk.
INTERNATIONAL JOURNAL OF COSMETIC SCIENCE
(2023)
Article
Environmental Sciences
Violaine Desgens-Martin, Weiwei Li, Taylor Medina, Arturo A. Keller
Summary: Modeling and field sampling are important for assessing PFAS sources and risks. Legacy and newer PFAS were detected in wastewater treatment plant samples. Predictive models were used to estimate PFAS loads and population size and urban land use were found to be predictors of PFAS loads. The study demonstrates the practicality of using predictive models and field sampling for assessing PFAS risks.
Article
Food Science & Technology
Yiming Su, Xuefei Zhou, Huan Meng, Tian Xia, Haizhou Liu, Philippe Rolshausen, Caroline Roper, Joan E. McLean, Yalei Zhang, Arturo A. Keller, David Jassby
Summary: Nanotechnology-based approaches have shown promising results in sustainable agriculture, particularly in the development of fertilizers and pesticides. It is crucial to assess the economic and environmental benefits of these nanoformulations, and improving their efficiency is necessary for widespread adoption.
Article
Agriculture, Multidisciplinary
Xiangning Huang, Arturo A. Keller
Summary: This study investigated the physiological, nutritional, and metabolomic responses of wheat plants to two surfactants. The results showed that the application of Green SA at the flag leaf stage had a greater impact on plant defense system and nitrogen and carbon metabolism compared to Nonionic SA.
ACS AGRICULTURAL SCIENCE & TECHNOLOGY
(2022)
Review
Food Science & Technology
Lijuan Zhao, Tonghao Bai, Hui Wei, Jorge L. Gardea-Torresdey, Arturo Keller, Jason C. White
Summary: This review examines the use of ROS-scavenging and ROS-triggering nanomaterials to enhance stress resistance in plants. It discusses the delivery pathways of these nanomaterials and highlights the potential of nanobiotechnology in engineering crops with improved stress tolerance.
Article
Chemistry, Multidisciplinary
Wei Liu, Mengting Li, Weiwei Li, Arturo A. Keller, Vera Slaveykova
Summary: This study investigates the metabolic perturbations in green alga C. reinhardtii exposed to different sizes and concentrations of nTiO(2). The results show that nTiO(2) exposure induces perturbations in amino acid, nucleotide, fatty acid metabolism, among others, but does not affect photosynthesis. The perturbations are size and concentration-dependent and also impact the overall nutrition of the microalgal cell.
ENVIRONMENTAL SCIENCE-NANO
(2022)
Article
Environmental Sciences
Qian Gao, Arturo A. Keller
Summary: Using recyclable magnetic nanoparticles for virus disinfection can improve disinfection efficiency, with stability and recyclability for multiple cycles.
Review
Engineering, Environmental
Arturo A. Keller, Yiming Su, David Jassby
Summary: Meeting future water demand requires serious consideration of direct potable reuse (DPR) technology. Despite significant progress in technology, challenges such as real-time monitoring and emergency planning need to be addressed.
ACS ES&T ENGINEERING
(2022)
Article
Chemistry, Multidisciplinary
Caterina Minelli, Magdalena Wywijas, Dorota Bartczak, Susana Cuello-Nunez, Heidi Goenaga Infante, Jerome Deumer, Christian Gollwitzer, Michael Krumrey, Karen E. Murphy, Monique E. Johnson, Antonio R. Montoro Bustos, Ingo H. Strenge, Bertrand Faure, Peter Hoghoj, Vivian Tong, Loic Burr, Karin Norling, Fredrik Hook, Matthias Roesslein, Jovana Kocic, Lyndsey Hendriks, Vikram Kestens, Yannic Ramaye, Maria C. Contreras Lopez, Guy Auclair, Dora Mehn, Douglas Gilliland, Annegret Potthoff, Kathrin Oelschlagel, Jutta Tentschert, Harald Jungnickel, Benjamin C. Krause, Yves U. Hachenberger, Philipp Reichardt, Andreas Luch, Thomas E. Whittaker, Molly M. Stevens, Shalini Gupta, Akash Singh, Fang-hsin Lin, Yi-Hung Liu, Anna Luisa Costa, Carlo Baldisserri, Rid Jawad, Samir E. L. Andaloussi, Margaret N. Holme, Tae Geol Lee, Minjeong Kwak, Jaeseok Kim, Johanna Ziebel, Cedric Guignard, Sebastien Cambier, Servane Contal, Arno C. Gutleb, Jan Kuba Tatarkiewicz, Bartlomiej J. Jankiewicz, Bartosz Bartosewicz, Xiaochun Wu, Jeffrey A. Fagan, Elisabeth Elje, Elise Runden-Pran, Maria Dusinska, Inder Preet Kaur, David Price, Ian Nesbitt, Sarah O'Reilly, Ruud J. B. Peters, Guillaume Bucher, Dennis Coleman, Angela J. Harrison, Antoine Ghanem, Anne Gering, Eileen McCarron, Niamh Fitzgerald, Geert Cornelis, Jani Tuoriniemi, Midori Sakai, Hidehisa Tsuchida, Ciaran Maguire, Adriele Prina-Mello, Alan J. Lawlor, Jessica Adams, Carolin L. Schultz, Doru Constantin, Nguyen Thi Kim Thanh, Le Duc Tung, Luca Panariello, Spyridon Damilos, Asterios Gavriilidis, Iseult Lynch, Benjamin Fryer, Ana Carrazco Quevedo, Emily Guggenheim, Sophie Briffa, Eugenia Valsami-Jones, Yuxiong Huang, Arturo A. Keller, Virva-Tuuli Kinnunen, Siiri Peramaki, Zeljka Krpetic, Michael Greenwood, Alexander G. Shard
Summary: This study evaluates the repeatability and reproducibility of different measurement methods for the particle number concentration of colloidal nanoparticles. The results show that population-averaging methods have higher repeatability and reproducibility than particle-counting methods.