Article
Chemistry, Inorganic & Nuclear
Sebastian Eckert, Eric J. Mascarenhas, Rolf Mitzner, Raphael M. Jay, Annette Pietzsch, Mattis Fondell, Vinicius Vaz da Cruz, Alexander Foehlisch
Summary: In this study, the impact of metal-ligand bond formation on the electronic structure of the chelating agent ethylenediaminetetraacetic acid (EDTA) and its iron(III) complex was investigated using resonant inelastic X-ray scattering. Distinct spectroscopic signatures such as frontier orbital distortions, occupation changes, and energy shifts were observed.
INORGANIC CHEMISTRY
(2022)
Article
Chemistry, Inorganic & Nuclear
Sebastian Eckert, Eric J. Mascarenhas, Rolf Mitzner, Raphael M. Jay, Annette Pietzsch, Mattis Fondell, Vinicius Vaz da Cruz, Alexander Foehlisch
Summary: This study investigates the impact of metal-ligand bond formation on the electronic structure of EDTA using resonant inelastic X-ray scattering, including frontier orbital distortions, occupation changes, and energy shifts.
INORGANIC CHEMISTRY
(2022)
Article
Public, Environmental & Occupational Health
Karoly Nagy, Roba Argaw Tessema, Istvan Szasz, Tamara Smeirat, Alaa Al Rajo, Balazs Adam
Summary: The study compared the cytogenetic effect of the active ingredient glyphosate and three marketed GBHs on isolated human white blood cells, indicating that the co-formulants in herbicide formulations may interact with the active ingredient, increasing toxicity.
FRONTIERS IN PUBLIC HEALTH
(2021)
Article
Chemistry, Physical
Yunxiao Wang, Qiang Geng, Yan Zhang, Lihi Adler-Abramovich, Xinyuan Fan, Deqing Mei, Ehud Gazit, Kai Tao
Summary: In this article, the mechanisms underlying the self-assembly of 9-fluorenylmethoxycarbonyl-diphenylalanine (Fmoc-FF), the preparation methodologies of Fmoc-FF hydrogels, and the properties and applications of Fmoc-FF self-assemblies are systematically summarized. The contemporary shortcomings that limit the development of Fmoc-FF self-assembly are raised, and alternative solutions and future research perspectives are proposed.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Environmental Sciences
Jiahong Wang, Yao Chen, Tongtong Sun, Atif Saleem, Chuanyi Wang
Summary: Fe3O4@C@DETA is a novel amino-functionalized magnetic adsorbent developed for the removal of Cr(III) and Cr(III)-EDTA from wastewater. It exhibits enhanced adsorption capacity due to the introduction of amino active sites, and can be easily separated by external magnetic field and regenerated in acidic solution with over 75% efficiency. Additionally, the adsorbent has good recyclability and can be repeatedly used in the adsorption process.
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
(2021)
Article
Environmental Sciences
Mina Ghahrchi, Abbas Rezaee
Summary: The integrated electro-catalytic ozonation process using Fe-EDTA combined with electrocoagulation significantly enhances COD removal efficiency in landfill leachate, ultimately reducing sludge production.
Review
Biochemistry & Molecular Biology
Hideki Kitaura, Saika Ogawa, Fumitoshi Ohori, Takahiro Noguchi, Aseel Marahleh, Yasuhiko Nara, Adya Pramusita, Ria Kinjo, Jinghan Ma, Kayoko Kanou, Itaru Mizoguchi
Summary: GLP-1 receptor agonists and DPP-4 inhibitors are effective in treating type 2 diabetes, but they may impact bone metabolism by enhancing bone marker expression and improving bone density. Furthermore, they have been reported to suppress chronic inflammation and reduce the expression of inflammatory cytokines, leading to decreased inflammation-induced bone resorption.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2021)
Article
Biotechnology & Applied Microbiology
Mumtaz Khan, Wooyong Um, Sangsoo Han, Jaehyuk Kang, Abdul Jabbar, Muhammad Adnan Iqbal
Summary: The mechanism and kinetics of rhenium complexes as a surrogate for technetium-99 (Tc-99) are worth studying for the safe disposal of radioactive waste. Re(IV)-EDTA was synthesized by reducing Re(VII) using Sn(II) in the presence of ethylenediaminetetraacetic acid (EDTA). The Re(IV)-EDTA was then degraded by H2O2 at different pH levels and ionic strengths. The degradation of Re-EDTA was observed to be faster at low acidity and followed different mechanisms in acidic and alkaline conditions. The stability of Re(IV)-EDTA at pH 7-9 indicates its persistence in natural environments within this pH range.
ENVIRONMENTAL TECHNOLOGY & INNOVATION
(2022)
Article
Computer Science, Artificial Intelligence
Yongliang Zhang, He Huang, Gangxiang Shen
Summary: An adaptive complex-valued limited-memory BFGS algorithm is proposed for the training of complex-valued neural networks. By choosing suitable memory sizes and constructing search directions using multiple memory sizes, the algorithm can efficiently train complex-valued neural networks.
IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS
(2023)
Article
Engineering, Environmental
Ivan Sazykin, Ekaterina Naumova, Tatiana Azhogina, Maria Klimova, Shorena Karchava, Ludmila Khmelevtsova, Elena Chernyshenko, Alla Litsevich, Margarita Khammami, Marina Sazykina
Summary: Glyphosate, the most widely used herbicide, has been found to have inhibitory effects on bacterial biofilm formation and metabolic activity, as well as potential for high toxicity and mutagenicity. These findings suggest potential negative consequences for natural microbiomes.
JOURNAL OF HAZARDOUS MATERIALS
(2024)
Article
Environmental Sciences
Qiuhuan Liu, Shijie Li, Yujiong Wang, Liu Yang, Mingli Yue, Yulong Liu, Fei Ye, Ying Fu
Summary: Glyphosate is widely used as an herbicide, but it has negative effects on the environment due to excessive use and residue. In this study, a novel turn-on fluorescent probe called NAC was designed and synthesized for the detection of glyphosate. The fluorescence of NAC was quenched by Cu2+ and restored upon the addition of glyphosate. The NAC/Cu2+ complex showed good sensitivity and selectivity for glyphosate, and it was successfully used for detecting glyphosate in water, soil, and crops.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Materials Science, Ceramics
Yohei Nakamura, Keiji Komatsu, Atsushi Nakamura, Hidetoshi Saitoh
Summary: In this study, a method for sealing porous samples using aqueous solutions of EDTA complexes was proposed. The treatment was confirmed to be effective in forming a GDC layer on both the surface and within pores smaller than 1.7 µm.
CERAMICS INTERNATIONAL
(2021)
Article
Green & Sustainable Science & Technology
Qi Wang, Yutong Li, Yue Liu, Jingyu Ren, Ying Zhang, Guangzhou Qu, Tiecheng Wang
Summary: In this study, removal of the Cu-ethylenediaminetetraacetic acid (Cu-EDTA) complex using autocatalytic persulfate (PS) oxidation was investigated, with a removal efficiency of 96.57% achieved after 90 min of treatment. Factors such as PS concentration, initial concentration of Cu-EDTA, and solution pH value were found to influence the removal performance. This study demonstrated the potential of multipathway activation of PS induced by heavy metal complexes for effective removal of heavy metal complexes.
JOURNAL OF CLEANER PRODUCTION
(2021)
Article
Chemistry, Multidisciplinary
Hippolyte Personne, Thissa N. Siriwardena, Sacha Javor, Jean-Louis Reymond
Summary: Here, we demonstrate that dipropylamine (DPA) can effectively reduce aspartimide formation in high-temperature solid-phase peptide synthesis (SPPS) compared to piperidine (PPR). DPA is easily accessible, inexpensive, non-toxic, and odorless, making it a promising alternative to PPR. Furthermore, DPA yields good results in SPPS of non-aspartimide-prone peptides and peptide dendrimers.
Article
Gastroenterology & Hepatology
Emily W. Sun, Eva W. Iepsen, Nektaria Pezos, Amanda L. Lumsden, Alyce M. Martin, Gudrun Schober, Nichole J. Isaacs, Christopher K. Rayner, Nam Q. Nguyen, Dayan de Fontgalland, Philippa Rabbitt, Paul Hollington, David A. Wattchow, Torben Hansen, Jens-Christian Holm, Alice P. Liou, V. Margaret Jackson, Signe S. Torekov, Richard L. Young, Damien J. Keating
Summary: This study revealed a previously unidentified signaling nexus in the human gastrointestinal tract involving the release of a-MSH and the activation of MC4R on L cells in an autocrine and paracrine fashion. The findings have direct implications for targeting mucosal MC4R as a treatment for human metabolic disorders.
Article
Environmental Sciences
Ashour A. Ahmed, Peter Gros, Oliver Kuehn, Peter Leinweber
Article
Chemistry, Physical
Mostafa E. Salem, Ashour A. Ahmed, Ahmed F. Darweesh, Oliver Kuehn, Ahmed H. M. Elwahy
JOURNAL OF MOLECULAR STRUCTURE
(2019)
Article
Environmental Sciences
Peter Gros, Ralph Meissner, Marisa A. Wirth, Marion Kanwischer, Holger Rupp, Detlef E. Schulz-Bull, Peter Leinweber
ENVIRONMENTAL MONITORING AND ASSESSMENT
(2020)
Article
Chemistry, Physical
Sabrein H. Mohamed, Yousry M. Issa, Shaimaa A. Elfeky, Ashour A. Ahmed, Nora S. Abdelkader
JOURNAL OF MOLECULAR STRUCTURE
(2020)
Article
Biochemistry & Molecular Biology
Prasanth B. Ganta, Oliver Kuehn, Ashour A. Ahmed
Summary: The depletion of phosphorus rocks highlights the importance of efficient phosphorus use in fertilizers. Research has identified the stability order of interactions between GP/IHP and soil mineral, as well as the significant role of water molecules in these interactions.
Article
Geochemistry & Geophysics
Prasanth B. Ganta, Mohsen Morshedizad, Oliver Kuehn, Peter Leinweber, Ashour A. Ahmed
Summary: The study revealed that the adsorption strength follows the order of glycerophosphate < orthophosphate < inositolhexaphosphate, with inositolhexaphosphate reaching adsorption saturation the fastest. According to the modeling results, orthophosphate and glycerophosphate form stable monodentate and binuclear bidentate structures, while inositolhexaphosphate forms stable monodentate and 3M structures.
Article
Soil Science
Karen Baumann, Kai-Uwe Eckhardt, Andre Acksel, Peter Gros, Karin Glaser, Adam W. Gillespie, Ulf Karsten, Peter Leinweber
Summary: Biocrusts play a significant role in the biogeochemical cycles, impacting the composition and stability of organic matter in soil. The structure of biocrust communities and predominant tree species both influence the organic matter composition, with biocrust organisms having a dominant effect. High OM mineralization potential is observed in biocrusts due to specific ratios of carbohydrates, ketones, and fatty acids.
SOIL BIOLOGY & BIOCHEMISTRY
(2021)
Article
Chemistry, Multidisciplinary
Lorenz F. Dettmann, Oliver Kuehn, Ashour A. Ahmed
Summary: This study used molecular dynamics simulations to investigate the interaction between nanoplastics (NPs) and hydrophobic environments. The results indicate a strong affinity of hydrophobic polymers to NPs and the importance of NP hydrophobicity and soil organic matter in controlling NP accumulation in soil. Additionally, the study suggests that the hydrophobicity and functionalization of carbon nanotubes (CNTs) play a crucial role in enhancing their adsorption capacity for organic compounds in wastewater treatment technologies.
Article
Chemistry, Physical
Ashour A. Ahmed, Stella Gypser, Dirk Freese, Peter Leinweber, Oliver Kuehn
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2020)
Article
Ecology
Prasanth B. Ganta, Oliver Kuehn, Ashour A. Ahmed
FRONTIERS IN FORESTS AND GLOBAL CHANGE
(2020)
Article
Chemistry, Physical
Prasanth B. Ganta, Oliver Kuehn, Ashour A. Ahmed
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2019)
Article
Chemistry, Physical
Ashour A. Ahmed, Stella Gypser, Peter Leinweber, Dirk Freese, Oliver Kuehn
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2019)