Article
Environmental Sciences
Fang Wang, Jiyun Gao, Lijuan Jia, Shixing Wang, Ping Ning
Summary: In this study, a functionalized chitosan-based adsorbent was synthesized and shown to have strong adsorption capability for copper ions, indicating its practical significance for removing heavy metal copper in wastewater.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Article
Nanoscience & Nanotechnology
Alexandra Semenova, Mark Louis P. Vidallon, Kiyonori Suzuki, Bart Follink, Paul L. Brown, Rico F. Tabor
Summary: The design of micro/nanoadsorbents for effective copper extraction should take into account their retrieval methods from complex multiphase mixtures in copper-rich environments. This study presents magnetic PEI-silica nanocomposite microparticles that can efficiently bind copper ions in aqueous solutions and complex mixtures, allowing for their retrieval using magnetic force.
ACS APPLIED NANO MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Lin Qian, Zheng Zeng, Shuyuan Zhang, Kai Xia, Yongfu Guo
Summary: The magnetic nanomaterial PoVan/CoFe2O4@mSiO(2) synthesized in this study using a simple and cost-effective method showed a high adsorption capability for Hg(ii) ions. The removal process of Hg(ii) ions is spontaneous, exothermic, and mainly involves electrostatic attraction and chelation to form stable complexes. The regenerated adsorbent retains high adsorption efficiency even after multiple cycles, making it a promising candidate for remediating mercury pollution in wastewater.
NEW JOURNAL OF CHEMISTRY
(2021)
Article
Chemistry, Physical
Dingzhong Yuan, Jizhou Zhao, Qinghua Zhang, Peng Lu, Yun Wang, Yan He, Zhirong Liu, Yan Liu, Xiaohong Zhao, Cheng Meng
Summary: A novel imidazole-functionalized core-shell magnetic polymer adsorbent was synthesized, which exhibited a relatively large specific surface area and abundant active adsorption sites. It showed efficient recovery of uranium from aqueous solutions with high selectivity and structural stability.
JOURNAL OF MATERIALS CHEMISTRY A
(2022)
Article
Chemistry, Inorganic & Nuclear
Yizhi Chen, Peng Zhang, Qiqi Guo, Zhihao Wu, Yusen Liu, Yu Yang, Qi Cao, Hanbao Chong, Mingzhang Lin
Summary: SiO2@Fe3O4-DAPhen nanocomposites with strong adsorption capacity and excellent tolerance were synthesized for Th(IV) removal in acidic solutions. The interaction between Th(IV) and SiO2@Fe3O4-DAPhen was found to be mainly through chemical coordination and electrostatic attraction. The nanocomposites exhibited fast adsorption kinetics and high adsorption capacity, making them a promising choice for efficient Th(IV) removal. Moreover, they showed good selectivity, tolerance to salinity, and resistance to radiation.
INORGANIC CHEMISTRY
(2023)
Article
Chemistry, Physical
Hui Wang, Haifeng Qi, Xiao Sun, Shuya Jia, Xiyi Li, Tina Jingyan Miao, Lunqiao Xiong, Shihao Wang, Xiaolei Zhang, Xiaoyan Liu, Aiqin Wang, Tao Zhang, Weixin Huang, Junwang Tang
Summary: A promising method for on-demand hydrogen production is demonstrated using an atomic-level catalyst design strategy that combines single atoms and nanodots. The PtCu-TiO2 sandwich photocatalyst achieves a high formation rate of H-2 with a high quantum efficiency.
Article
Chemistry, Physical
Liping Luan, Bentian Tang, Songmei Ma, Lixiang Sun, Wenlong Xu, Aili Wang, Yuzhong Niu
Summary: Schiff base modified PAMAM dendrimer/silica hybrid materials were synthesized and used for removing aqueous Zn(II) and Ni(II). The study investigated the influence of various factors on the removal effect and revealed the interaction mechanism between adsorbents and metal ions through DFT calculation and XPS analysis. The results showed comparable adsorption properties for Zn(II) and Ni(II) and identified the key role of imino N atoms and carbonyl O atoms in the adsorption process.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Chemistry, Physical
Hao Li, Fan Wu, Yang Pan, Yuting Zhang, Roser Pleixats, Jianming Pan
Summary: With the rapid development of the automobile industry and increasingly strict regulations on automobile exhaust emissions, the demand for palladium will increase as the production of waste purification catalysts for automobile exhaust increases. Recycling waste three-way catalysts is an important way to obtain palladium resources, but obtaining highly selective adsorbents for palladium is still a challenge. In this study, two different Pd2+ selective composite adsorbents were successfully fabricated and characterized. The experimental results showed that both adsorbents exhibited high selectivity towards Pd2+ and remained stable during cyclic adsorption-desorption runs.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2022)
Article
Engineering, Environmental
Xuan Zhou, Can Jin, Guifeng Liu, Guomin Wu, Shuping Huo, Zhenwu Kong
Summary: This study demonstrates the tunable covalent binding of lignin onto amine-functionalized magnetic nanoparticles for the removal of heavy metal pollutants from wastewater. The synthesized lignin-based magnetic adsorbents showed different adsorption performance towards Pb(II) with varying ratios of AMNP/lignin. The magnetic cores in the network facilitated the fast recovery of the magnetic adsorbents after the adsorption process, with good superparamagnetic properties.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Engineering, Environmental
Zhongyue Li, Ruomeng Zhu, Pengling Zhang, Mei Yang, Ruiqi Zhao, Yanlong Wang, Xing Dai, Wei Liu
Summary: Two covalent organic framework adsorbents with different surface functional groups were fabricated, showing high uranium extraction capacity and resistance to high temperature at low pH conditions. The adsorbents also demonstrated fast and selective uranium adsorption. The adsorption mechanism was elucidated through X-ray absorption spectroscopy and density functional theory simulations.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Multidisciplinary
Mawin J. Martinez Jimenez, Alba Avila, Anerise de Barros, Elvis Oswaldo Lopez, Fernando Alvarez, Antonio Riul Jr, Jaime Andres Perez-Taborda
Summary: A sensing platform sensor was developed for the selective detection of lead(II) acetate, using a graphene-based nanostructure and three electrochemical methods to achieve a detection limit of 36 pmol/L and sensitivity of 4.3 mu AL/mu mol with excellent repeatability. The mechanism of detection was attributed to the high affinity of heavy metal ions with functional groups in the PEI-CNTs and GO.
Article
Environmental Sciences
Doina Humelnicu, Inga Zinicovscaia, Ionel Humelnicu, Maria Ignat, Nikita Yushin, Dmitrii Grozdov
Summary: The efficiency of Cu(II) removal from aqueous solution by silica SBA-15 and titanosilicate ETS-10 was investigated. The maximum adsorption capacity of both adsorbents was determined by studying various experimental parameters. The Langmuir model was found to be the best fit to describe the equilibrium adsorption, with ETS-10 having a higher adsorption capacity than SBA-15. Pseudo-first-order and pseudo-second-order kinetic models were the most applicable to describe the adsorption kinetics. Thermodynamic parameters indicated that the adsorption of Cu(II) onto the two adsorbents is spontaneous and endothermic.
Article
Chemistry, Multidisciplinary
Selen Ayaz, Yusuf Dilgin, Resat Apak
Summary: This study developed a sensitive, selective, and fast method for detecting hydroxylamine using a multiwalled carbon nanotube/screen-printed carbon electrode modified with an effective redox mediator. The method showed high electrocatalytic activity towards NH2OH oxidation, low detection limits, and high precision. It was successfully applied for the selective determination of NH2OH in water and pharmaceutical samples.
NEW JOURNAL OF CHEMISTRY
(2021)
Article
Environmental Sciences
Eduardo Leiva, Camila Tapia, Carolina Rodriguez
Summary: Water pollution by heavy metals, particularly copper, has significant impacts on aquatic ecosystems. This study explores the use of ZnO nanoparticles for removing Cu(II) ions from acidic waters, showing efficient removal at pH=4.8.
Article
Chemistry, Multidisciplinary
Surbhi Lilhare, Sunitha B. Mathew, Ajaya Kumar Singh, Sonia A. C. Carabineiro
Summary: CABs, AVCABs, and AVMNCABs were developed as adsorbents for Cu(II) removal from aqueous solutions. Their characteristics and adsorption properties were studied.
Article
Chemistry, Multidisciplinary
Petr Distler, Miriam Mindova, Jan John, Vasilij A. Babain, Mikhail Yu Alyapyshev, Lyudmila Tkachenko, Ekaterina Kenf, Laurence M. Harwood, Ashfaq Afsar
SOLVENT EXTRACTION AND ION EXCHANGE
(2020)
Article
Chemistry, Organic
Clare L. Higgins, Sorin Filip, Ashfaq Afsar, Wayne Hayes
TETRAHEDRON LETTERS
(2020)
Article
Green & Sustainable Science & Technology
Sarah Duddigan, Paul D. Alexander, Liz J. Shaw, Taru Sanden, Chris D. Collins
Article
Forestry
N. Barsoum, Stuart W. A'Hara, Joan E. Cottrell, Jack Forster, Mateo San Jose Garcia, Karsten Schonrogge, Liz Shaw
Summary: Based on a study in southern England, it was found that there are differences in the composition and functional exploration types of ECM communities between AOD symptomatic and asymptomatic oak trees, which are related to soil physico-chemical effects but not directly linked to the frequency of fine root tips. The ECM diversity and composition were not affected by the tree symptom status but varied between different woodlands, possibly due to differences in soil chemistry variables.
FOREST ECOLOGY AND MANAGEMENT
(2021)
Article
Chemistry, Applied
Jessica Godleman, Tahkur Singh Babra, Ashfaq Afsar, Andrew Kyriacou, Martin Thompson, Josephine L. Harries, Howard M. Colquhoun, Wayne Hayes
Summary: The study describes the synthesis and characterization of two novel poly(ethylene glycol)-based materials with UV-dimerisable anthracenyl end-groups, demonstrating their suitability as UV-curable systems for inkjet formulations. By investigating the UV-reactivity of different materials, the study highlights the potential application of these materials in inkjet formulations.
PROGRESS IN ORGANIC COATINGS
(2021)
Article
Soil Science
Josie Geris, Lucile Verrot, Lei Gao, Xinhua Peng, Joseph Oyesiku-Blakemore, Jo U. Smith, Mark E. Hodson, Blair M. McKenzie, Ganlin Zhang, Paul D. Hallett
Summary: Soil properties, particularly in cultivated agricultural soils, exhibit significant temporal variability within short periods, which can impact soil water content simulations. Different tillage practices result in changes in soil structure and water retention properties, highlighting the importance of considering short-term temporal variability in soil physical properties in hydrological modeling studies.
SOIL & TILLAGE RESEARCH
(2021)
Article
Soil Science
Despina Berdeni, Anthony Turner, Richard P. Grayson, Joseph Llanos, Joseph Holden, Les G. Firbank, Martin G. Lappage, Sarah P. F. Hunt, Pippa J. Chapman, Mark E. Hodson, Thorunn Helgason, Penelope J. Watt, Jonathan R. Leake
Summary: Grass-clover leys can increase earthworm numbers, infiltration rates, macropore flow, and saturated hydraulic conductivity, and reduce compaction, resulting in improved wheat yields under flood and ambient conditions.
SOIL & TILLAGE RESEARCH
(2021)
Article
Chemistry, Multidisciplinary
Clare L. Higgins, Sorin V. Filip, Ashfaq Afsar, Howard M. Colquhoun, Wayne Hayes
Summary: Taking inspiration from the food industry, an assay was developed to test the efficiency of new phenolic antioxidants by spectrophotometric measurement of the stable free radical DPPH. The kinetics of the reaction were categorized as fast, medium, or slow based on the disappearance of the absorbance band. The study also analyzed the stoichiometry of the radical scavenging reaction and its relationship with the structure-activity of phenolic antioxidants.
Article
Chemistry, Multidisciplinary
Eleftheria Dossi, Morgan Bolton, Guillaume Kister, Ashfaq Afsar
Summary: Research has developed novel polymers by cross-linking cyclodextrin and polyethylene glycol diglycidyl ether, with tunable properties soluble in water and organic solvents. Additional treatments can further modify the swelling abilities and glass transition temperature of these materials.
Article
Ecology
Henny O. Omosigho, Elmer Swart, Tom P. Sizmur, Dave J. Spurgeon, Claus Svendsen, Liz J. Shaw
Summary: Earthworms play a crucial role in soil ecosystems, particularly in functions like organic matter decomposition and nutrient cycling. Antibiotic treatment successfully suppressed the earthworm-associated microbiome, providing a valuable tool for future ecological studies on earthworm microbial interactions affecting host health and function.
EUROPEAN JOURNAL OF SOIL BIOLOGY
(2022)
Article
Soil Science
M. E. Hodson, P. Brailey-Jones, W. L. Burn, A. L. Harper, S. E. Hartley, T. Helgason, H. F. Walker
Summary: Earthworms enhance plant growth by influencing the soil microbiome, rather than directly affecting nutrient availability. Understanding this mechanism could lead to changes in agricultural management to reduce fertiliser usage and carbon footprint. In an experiment, wheat plants showed increased biomass in the presence of earthworms and under regular watering, with earthworms also mitigating the negative effects of drought. Gene expression analysis revealed differential expression related to plant defences, stress response, and control of plant growth. The soil microbiome of earthworm-present treatments was associated with nutrient-rich environments and promoting plant growth.
Article
Soil Science
Xin Shu, Yiran Zou, Liz J. Shaw, Lindsay Todman, Mark Tibbett, Tom Sizmur
Summary: The decomposition of cover crop residues affects belowground microbial communities and activity, with a mixture of cover crop residues significantly increasing soil respiration and changing microbial community composition. The greater diversity of organic resources from the mixtures enhances soil functions and microbial activity.
Article
Horticulture
Sarah Duddigan, Paul D. Alexander, Liz J. Shaw, Chris D. Collins
Summary: The application of various organic amendments in horticulture can result in significant differences in soil characteristics and crop yields. For instance, garden waste compost can greatly increase yield, while composted bark or peat may not have a significant impact on yield. Pressure is increasing to remove peat from products available to domestic gardeners.
Article
Chemistry, Organic
Ashfaq Afsar, Jasraj S. Babra, Petr Distler, Laurence M. Harwood, Iain Hopkins, Jan John, James Westwood, Zoe Y. Selfe
Article
Environmental Sciences
Sarah Duddigan, Liz J. Shaw, Paul D. Alexander, Chris D. Collins
APPLIED AND ENVIRONMENTAL SOIL SCIENCE
(2020)
Review
Chemistry, Multidisciplinary
Dan He, Yawen Li, Fuwen Zhao, Yuze Lin
Summary: High trap density in organic solar cells leads to localized charge carriers and reduced carrier lifetime, limiting device efficiency. This feature article summarizes the recent advances of trap suppression by material design and device engineering.
CHEMICAL COMMUNICATIONS
(2024)
Review
Chemistry, Multidisciplinary
Olivier Monfort, Arshitha Madhusudhan, Martin Motola
Summary: This article presents the advantages of coupling photocatalysis and Fenton-based processes for environmental remediation and discusses their synergy. It critically examines the simultaneous triggering of these two processes and provides insights into research approaches. The study aims to enhance understanding of this complex process and highlight the potential integration of new catalysts in current wastewater treatment technology.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Manideepa Dhar, Chittaranjan Mishra, Avijit Das, Uttam Manna
Summary: An approach of 'polymerization of monomers in its aggregated form' has been introduced to tailor the water wettability of fibrous and porous substrates, achieving hydrophobicity to superhydrophobicity transition, as well as patterned wettability. This facile chemical method provides a durable coating with adjustable and patterned wettability for various potential applications.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Saswat Ranjan Bhoi, Chhanda Debnath, Shikha Gandhi
Summary: In this article, a novel catalytic reaction using Pd(0) and Bronsted acid is reported for the synthesis of biologically important imidazolidinone-fused N-heterocycles through redox-neutral intramolecular N-allylation of indoles and pyrroles with alkynes. This atom-economical method is applicable to a wide range of substrates and eliminates the need for leaving groups or oxidizing agents commonly used in traditional allylation reactions.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Longkun Chen, Mingshuai Zhang, Meichen Liu, Zhuoyuan Liu, Yuetong Qiu, Zhilai Zhang, Fuchao Yu, Jiuzhong Huang
Summary: In this study, an efficient Rh(III)-catalyzed selective mono- and dual-C-H bond functionalization/cyclization with iodonium ylide as the sole coupling partner was demonstrated. Fused benzodiazepine skeletons were obtained in excellent yields, providing an improved approach to dual C-H unsymmetrical functionalization.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Alice Kennett, Sven Epple, Gabriella van der Valk, Irene Georgiou, Evelyne Gout, Romain R. Vives, Angela J. Russell
Summary: This study presents the design and synthesis of sulfated disaccharide inhibitors based on IdoA(2S)-GlcNS(6S), which showed potent inhibition of Sulf-2. The results suggest that IdoA(2S)-GlcNS(6S) is the shortest fragment size required for effective inhibition of Sulfs, and a trisulfated disaccharide is identified as the minimal fragment size of heparan sulfate for effective endosulfatase inhibition.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Mauro Garbini, Andrea Brunetti, Riccardo Pedrazzani, Magda Monari, Massimo Marcaccio, Giulio Bertuzzi, Marco Bandini
Summary: The self-adaptability of galvanostatic electrolysis was found to be helpful in a multistage chemo- and diastereoselective electrochemically promoted cyclodimerization of chalcones. Through a series of reductive events, densely functionalized cyclopentanes with five contiguous stereocenters were obtained (25 examples, yields up to 95%, dr values up to >20:1). Further experimental and electrochemical investigations indicated the crucial role of dynamic kinetic resolution of the aldol intermediate in the reaction mechanism.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Dhananjay S. Nipate, Neha Meena, Prakash N. Swami, Krishnan Rangan, Anil Kumar
Summary: In this study, the synthesis of functionalized benzo[a]phenazines and indazolo[2,3-a]quinolines was achieved through Rh(III)-catalyzed oxidative annulation of 2-arylquinoxalines and 2-aryl-2H-indazoles with allyl alcohols. The method showed a wide substrate scope, excellent functional group tolerance, good to high yields of annulated products, and the capability for scaled-up synthesis. A tentative mechanism of the annulation reaction was proposed based on a preliminary mechanistic investigation.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Ruonan Zhang, Abudukadi Tudi, Xia Yang, Xuping Wang, Zhihua Yang, Shujuan Han, Shilie Pan
Summary: A new lead tellurium borate material with a unique fundamental building block [B4O10] was synthesized and found to exhibit high birefringence. The structure-property relationship was discussed using first-principles calculations.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Amresh Kumar Singh, Baishali Thakurta, Anupam Giri, Monalisa Pal
Summary: This study introduces three key concepts for the quick synthesis of large-scale high-quality 2D materials films and their utilization in device fabrication.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Reina Hagiwara, Shun Nishimura, Kosuke Okeyoshi
Summary: A copolymer-conjugated nanocatalytic system has been developed to improve electron transfer and enhance photoinduced H2 generation.
CHEMICAL COMMUNICATIONS
(2024)
