Article
Chemistry, Physical
Ana M. Geer, Charles Musgrave, Christopher Webber, Robert J. Nielsen, Bradley A. McKeown, Chang Liu, P. Philipp M. Schleker, Peter Jakes, Xiaofan Jia, Diane A. Dickie, Josef Granwehr, Sen Zhang, Charles W. Machan, William A. Goddard, T. Brent Gunnoe
Summary: This study presents a trinuclear copper(II) complex as a homogeneous electrocatalyst for water oxidation, exhibiting high catalytic activity and selectivity under different pH conditions. Experimental and computational studies provide insights into the relationship between the copper complex and the catalytic mechanism, highlighting the importance of phosphate and nitrogen-based ligands in facilitating proton transfer processes.
Article
Energy & Fuels
Yue Cao, Chuanmin Chen, Weijie Yang, Songtao Liu, Wenbo Jia, Fuyu Wang, Cai Liang
Summary: This study analyzed the synergistic effect of Cu and V species on the improved Hg0 removal performance of Cu-SCR catalyst using experiments and theoretical calculations. The results showed the potential of copper species in Hg0 removal and provided a reference for designing new materials for mercury control.
Article
Engineering, Chemical
Chengbo Ma, Yuqing Zhang
Summary: The development of anodes with high catalytic activity is crucial for the electrocatalytic oxidation process of cleaning organic wastewater. The study showed that the newly developed CuxCo1-xMn2O4 (CCM-X) anodes with high electrocatalytic activity and stability demonstrated effective removal of tetracycline hydrochloride from simulated organic wastewater. Doping copper into the stable spinel CoMn2O4 structure improved the electron transfer ability and overall performance of CCM-X electrodes.
SEPARATION AND PURIFICATION TECHNOLOGY
(2021)
Article
Chemistry, Physical
Gang Wang, Weiquan Cai, Ting Fan, Yongfei Ji
Summary: The study investigates the activity of N-doped graphdiyne for electrochemical N-2 reduction reaction using density functional theory. It shows that sp-N-2 GDY is the most active model, while pyridinic-N GDY follows a Mars-van Krevelen pathway. Graph-C vacancy efficiently reduces N-2, enhancing the selectivity for NRR over HER.
APPLIED SURFACE SCIENCE
(2021)
Article
Electrochemistry
Deviprasath Chinnadurai, Nandapriya Manivelan, Kandasamy Prabakar
Summary: A low-cost copper sulfide bifunctional electrocatalyst with silver doping was synthesized and its intrinsic catalytic activity was modulated, achieving a relatively low cell voltage and higher intrinsic activity.
Article
Electrochemistry
Leitao Xu, Yangjie Yi, Sideng Hu, Jiao Ye, Aixi Hu
Summary: This study reports for the first time two pathways for N-hydroxyphthalimide (NHPI)-mediated electrocatalytic oxidation using phenylacetate derivatives as template substrates, achieving benzylic C-H oxidation to oxygenated and non oxygenated products. The rate-determined step was found to be the hydrogen-atom transfer (HAT) process between phthalimido-N-oxyl (PINO) and substrate, as indicated by DFT calculation. By controlling the concentration of PINO radical, selective synthesis of aromatic alpha-keto esters and 2-((1,3dioxoisoindolin-2-yl)oxy)-2-aryl acetate through cross-coupling between benzylic radical and PINO is achieved. This study provides a deep understanding for selective weak C-H oxidation using NHPI as redox mediator.
ELECTROCHIMICA ACTA
(2022)
Article
Chemistry, Physical
Song Lu, Fengliu Lou, Yafei Zhao, Zhixin Yu
Summary: This study evaluated the performance of nonmetal atom (NM = B, O, F, Si, P, S, Cl, As, and Se) modified TM (TM = Fe, Co, Ni, Cu, and Zn)@N4-C catalysts in electrochemical CO2 reduction (ECR) to CO. NM dopants can induce active center distortion and tune electron structure, promoting intermediate formation. Fe@N4-F1(I), Ni@N3-B1, Cu@N4-O1(III), and Zn@N4-Cl1(II) exhibited excellent activity for ECR to CO with improved selectivity. It is expected that this work can guide the synthesis of high-performance heteroatoms modified single-atom catalysts (SACs) for ECR to CO.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Chemistry, Physical
Simin Li, Xiaodan Yan, Jiaqi Tang, Dongxu Cao, Xueli Sun, Guolong Tian, Xiongkai Tang, Huifang Guo, Qingyuan Wu, Jing Sun, Jinlu He, Hui Shen
Summary: This article investigates the importance of copper nanostructures in CO2 electrocatalytic reduction (CO2ER) reactions and demonstrates the efficiency of hybrid ligands in controlling the geometrical arrangements, electronic structures, and catalytic performance of copper nanoclusters through comprehensive characterization of a 26-nuclei copper nanocluster.
CHEMISTRY OF MATERIALS
(2023)
Article
Chemistry, Physical
Lu-Yao Jiang, Fang-Min Tian, Xiao-Yan Chen, Xin-Xin Ren, Jiu-Ju Feng, Youqiang Yao, Lu Zhang, Ai-Jun Wang
Summary: In this study, bimetallic PdCu nanostars (PdCu NSs) were synthesized by a Cu2+-modulated one-pot wet-chemical method with the assistance of cetyltrimethyl ammonium bromide (CTAB) as a structure-regulating reagent. The as-prepared PdCu NSs demonstrated abundant active sites and a large electrochemical active surface area (9.5 m2 g-1). Compared to commercial Pd black, the PdCu NSs exhibited negative shifts in the onset potentials and higher forward peak current densities for the catalytic ethylene glycol oxidation reaction (EGOR) and glycerol oxidation reaction (GOR), indicating superior performance in similar environments. This work provides a constructive strategy for the fabrication of high-efficiency electrocatalysts for alcohol fuel cells.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Chemistry, Physical
Zhiyang Zhong, Menglu Li, JiaoJie Wang, Jiaqi Lin, Jie Pan, Shixin Jiang, Aijuan Xie, Shiping Luo
Summary: Co-doped Ni-Fe spinels prepared by the sol-gel method exhibited excellent electrocatalytic performance for the oxidation of glycerol, with larger cyclic voltammetry area, lower charge transfer resistance, and smaller Tafel slope compared to pure NiFe2O4 and NiCo2O4.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Nanoscience & Nanotechnology
Zan-Yao Niu, Lei Jiao, Zhenquan Tan, Tao Zhang, Xiu-Ming Zhao, Xiao-Feng Wang, Li-Zhao Liu, Siru Chen, Xue-Zhi Song
Summary: Mo-doped hematite porous nanospheres containing Fe-O-Mo subunits exhibit enhanced activity and selectivity in electrochemical reduction of N2 to NH3, achieving effective nitrogen fixation with high ammonia production rate and Faradaic efficiency.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Nanoscience & Nanotechnology
Zan-Yao Niu, Lei Jiao, Tao Zhang, Xiu-Ming Zhao, Xiao-Feng Wang, Zhenquan Tan, Li-Zhao Liu, Sinu Chen, Xue-Zhi Song
Summary: This study reports a molybdenum-doped iron oxide catalyst with enhanced activity and selectivity for the electrochemical reduction of N2 to NH3. Molybdenum doping induces morphology change and lattice defects, creating more active sites. The catalyst exhibits high ammonia production rate and Faradaic efficiency, outperforming other catalysts.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Engineering, Environmental
You Xu, Mingzhen Wang, Shanshan Yu, Tianlun Ren, Kaili Ren, Ziqiang Wang, Xiaonian Li, Liang Wang, Hongjing Wang
Summary: This study introduces a ternary PdBP nanorods catalyst that demonstrates superior electrocatalytic activity for formic acid oxidation reaction, showcasing a potential avenue for developing advanced doped metal-based catalysts.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Materials Science, Multidisciplinary
Shizhi Dong, JinPeng Yin, Zhuang Ma, Yanshuai Li, Jiaqi He, Xudong Hu, Qijun Li, Mengbo Yan
Summary: This study investigates the effect of doping on the hydrogen evolution reaction (HER) on MoP (111) using density functional theory (DFT), finding that an appropriate amount of Co/C doping significantly enhances the activity of HER.
MATERIALS TODAY COMMUNICATIONS
(2022)
Article
Chemistry, Physical
Yihui Zhu, Yu Pan, Yihua Zhu, Hongliang Jiang, Jianhua Shen, Chunzhong Li
Summary: This work synthesized PdAu-MnOx/C electrocatalyst with outstanding formic acid oxidation performance, providing insight for the development of high-performance Pd-based electrocatalysts.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
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)