Article
Chemistry, Multidisciplinary
Kyu Ha Lee, Ji Young Chu, Ae Rhan Kim, Dong Jin Yoo
Summary: A series of novel anion-exchange composite membranes with improved ion conductivity and alkaline stability were prepared in this study, providing a new strategy for potential application of AEMFCs.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2021)
Article
Chemistry, Multidisciplinary
Peter M. Chapple, Julien Cartron, Ghanem Hamdoun, Samia Kahlal, Marie Cordier, Hassan Oulyadi, Jean-Francois Carpentier, Jean-Yves Saillard, Yann Sarazin
Summary: This study presents the first families of alkaline-earth stannylides and analyzes their properties through a combination of experimental and computational methods, revealing primarily ionic Ae-Sn bonding in these complexes. The research provides insight into the main features of these unique families of homoleptic complexes.
Article
Energy & Fuels
Yan Lin, Haitao Wang, Shiwen Fang, Hongming Jiang, Zhen Huang, Guoqiang Wei, Xiaobo Wang, Zengli Zhao, Hongyu Huang
Summary: The study investigates the effects of particle size and temperature on the chemical looping combustion (CLC) of lignite, using iron ore as the oxygen carrier with added alkaline-earth metals and transition metals. The modification of the oxygen carrier with Cu, K, Na, Ca, and Mn enhances its capacity to transform lignite and improve CO2 selectivity, with potential applications in the design of oxygen carriers for the CLC process.
Article
Energy & Fuels
Yan Lin, Haitao Wang, Shiwen Fang, Hongming Jiang, Zhen Huang, Guoqiang Wei, Xiaobo Wang, Zengli Zhao, Hongyu Huang
Summary: This paper investigates the effects of particle size and temperature on the chemical looping combustion of lignite using iron ore as the oxygen carrier. The modification of the oxygen carrier with Cu, K, Na, Ca and Mn effectively enhances the capacity for lignite transformation.
Article
Engineering, Chemical
Luo Linglin, Li Fashe, Zhang Huicong, Duan Yaozong, Wang Wenchao
Summary: Raw materials and production process result in the presence of various metal ions in biodiesel. The use of 732 ion-exchange resin reduces the content of alkali and alkaline earth metal ions in Jatropha biodiesel and improves the fuel quality. The ion-exchange resin effectively adsorbs alkali and alkaline earth metal ions in biodiesel and enhances its physiochemical properties.
SEPARATION AND PURIFICATION TECHNOLOGY
(2023)
Article
Nanoscience & Nanotechnology
Hao Yin, Xiaosong Zhang, Lan Li, Zhaowei Zhang, Xiaokai Gong, Rukun Ding, Chao Li, Yueming Zhang
Summary: Perovskite glass can improve the stability and luminescence properties of perovskite, especially in mid-infrared and visible light emission.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Environmental Sciences
Zhuozhi Ouyang, Fadan Lei, Endian Hu, Shuxing Li, Qian Yao, Xuetao Guo
Summary: This study investigates the effects of Mn(II) on the oxidation and photolysis of tetracycline (TC). It is found that Mn(II) greatly accelerates TC oxidation while inhibiting TC photolysis. The transformation of TC results in a significant decrease in the intensity of functional groups, and eight degradation pathways were identified.
ENVIRONMENTAL POLLUTION
(2022)
Article
Environmental Sciences
Joonkyoung Han, Sheik Mohammad Nomaan, Lynn E. Katz
Summary: With the increasing use of saline water sources due to water scarcity, it is important for contaminant fate and transport models to consider the impact of high concentrations of alkaline earth metal ions (AEMs) and background electrolytes. In this study, a Charge Distribution - Multisite Complexation (CD-MUSIC) model incorporating electrolyte adsorption accurately simulated the adsorption behavior of alkaline earth metal ions onto goethite. The model was calibrated using macroscopic adsorption data and successfully predicted alkaline earth metal ion adsorption under a wide range of conditions.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Materials Science, Multidisciplinary
Yi Zhang, Donghao Liu, Weidong Guo, Yigang Ding
Summary: Selective recognition and separation of rare-earth elements (REEs) is a challenge for the RE industry. In this study, dual-site ion-imprinted polymers (IIP-AM and IIP-MAA) were synthesized for the removal of La(III) from aqueous solutions. The IIPs exhibited high adsorption capacities, remarkable selectivity, and excellent reusability, making them promising for the selective recovery of REEs.
ACS APPLIED POLYMER MATERIALS
(2023)
Review
Engineering, Chemical
Yiran Wang, Wen Zhang, Xianjie Zeng, Tao Deng, Jianyou Wang
Summary: Alkali metal and alkaline-earth metal elements have similar properties and their separation is crucial for applications in seawater desalination, resource recovery, and energy storage, key for sustainable development. Membrane technologies, with their eco-friendly and energy-efficient advantages, have been extensively studied in this area and attracted significant attention.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Chemistry, Multidisciplinary
Jonathan Mai, Michael Morasch, Dawid Jedrzkiewicz, Jens Langer, Bastian Roesch, Sjoerd Harder
Summary: Through experimental observation and computational simulation, it was found that the calcium complex with bridging biphenyl groups can react with benzene to form a dimer with bridging biphenyl groups. It was also found that the strontium complex obtained by ball-milling can react with benzene to form a product with bridging biphenyl groups. The computational simulation results showed that the metal-benzene coordination is favorable for the reaction.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Review
Chemistry, Analytical
Monika Budnicka, Monika Sobiech, Joanna Kolmas, Piotr Lulinski
Summary: This review highlights the importance of detection and determination of s-block metal ions using ion-imprinted polymers. It discusses the application of these materials in environmental, food, and biomedical fields, and identifies the frontiers in the design of s-block metal ion-imprinted polymers. The review concludes with a summary and future perspectives for further development in this field.
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Inorganic & Nuclear
Ting Zhang, Jing-Jing Zheng, Shi-Chao Cheng, Jun-Wei Feng, Chun-Yan Bai
Summary: A novel mixed alkali metal and alkaline earth metal compound with a unique structure has been synthesized using the described method, showing similarities in properties and structure to the classic polyoxometalate Keggin. The compound was studied using various analysis methods, including spectroscopy and density functional calculations.
INORGANIC CHEMISTRY COMMUNICATIONS
(2021)
Article
Materials Science, Multidisciplinary
Enkhjargal Enkhbayar, Namuundari Otgontamir, Junho Kim
Summary: The garnet Li7La3Zr2O12 (LLZO) is a promising solid electrolyte for all-solid state Li-ion batteries, with the cubic phase offering better ionic conductivity compared to the tetragonal phase. To stabilize the cubic phase and enhance its ionic conductivity, ternary-doped LLZO was synthesized and investigated. The results showed successful incorporation of the ternary-doped elements into the cubic garnet structure without formation of secondary phases, resulting in enhanced microstructure and the highest ionic conductivity achieved.
RESULTS IN PHYSICS
(2023)
Article
Materials Science, Multidisciplinary
Franziska Grussler, Mamoun Hemmida, Sebastian Bachus, Yurii Skourski, Hans-Albrecht Krug von Nidda, Philipp Gegenwart, Alexander A. Tsirlin
Summary: We report the crystal structure and magnetic behavior of the triangular antiferromagnet KYbO2, a substituted version of the spin liquid candidate NaYbO2. The replacement of Na by K introduces an anisotropic tensile strain and reduces the Curie-Weiss temperature and saturation field. The Yb3+ g tensor becomes isotropic with g = 3.08(3), and the field-dependent magnetization shows a plateau at 21 of the saturated value, indicating the formation of a different field-induced order compared to isostructural Yb3+ selenides.
Article
Chemistry, Analytical
Jonathan Martens, Rianne E. van Outersterp, Jitse Oosterhout, Christoph R. Gebhardt, Giel Berden, Udo F. H. Engelke, Ron A. Wevers, Filip Cuyckens, Jos Oomens
Summary: Infrared ion spectroscopy (IRIS) is a useful tool for identifying molecular structures detected in mass spectrometry (MS) experiments. However, coupling LC and IRIS is challenging due to the different timescales. To address this, we propose a heartcutting LC-IRIS approach using two switching valves and two sample loops as an alternative to direct coupling.
ANALYTICAL CHEMISTRY
(2023)
Article
Chemistry, Inorganic & Nuclear
Marco Giampa, Davide Corinti, Alessandro Maccelli, Simonetta Fornarini, Giel Berden, Jos Oomens, Sabrina Schwarzbich, Thorsten Glaser, Maria Elisa Crestoni
Summary: This study investigates the binding ability of a dinuclear copper complex with phosphate diester ligands, revealing its interaction modes with phosphate groups and mononucleotides. The results suggest that this interaction contributes to the observed anticancer activity.
INORGANIC CHEMISTRY
(2023)
Article
Chemistry, Physical
Bruno Martinez-Haya, Juan Ramon Aviles-Moreno, Francisco Gamez, Jonathan Martens, Jos Oomens, Giel Berden
Summary: The interaction between organic molecules and oxonium cations in their solvation shell can lead to the formation of dynamic supramolecular structures that undergo recurrent changes in their host-guest chemical identity. This phenomenon is illustrated in proton-bonded complexes of water with polyether macrocycles. Despite water's lower proton affinity compared to the ether group, water actually retains the proton as H3O+ with increased stability as the coordination number increases. Hindrance in many-fold coordination induces dynamic reversible interconversion between (ether)·H3O+ (etherH+)·H2O. Infrared action ion spectroscopy reveals the vibrational signatures of loose proton bonding in these systems, which cannot be described by static equilibrium structures but can be accurately modeled using ab initio molecular dynamics.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2023)
Article
Biochemistry & Molecular Biology
Dmitrii M. M. Mazur, Elettra L. L. Piacentino, Giel Berden, Jos. Oomens, Victor Ryzhov, Vasiliy A. A. Bakulev, Albert T. T. Lebedev
Summary: A large variety of 1,2,3-thiadiazoles and 1,2,3-triazoles are widely used in organic chemistry as important building blocks. Mass spectrometry, specifically electrospray ionization (ESI) with ion detection, is an effective analytical tool for studying the structures of these compounds. Gas-phase rearrangement of 1,2,3-triazoles into 1,2,3-thiadiazoles was observed under certain conditions. Infrared multiple photon dissociation (IRMPD) spectroscopy helped identify important fragment ions. However, further evidence is needed to confirm the solution-phase transformation of thiadiazoles into triazoles.
Article
Physics, Atomic, Molecular & Chemical
Yining Jiang, Jean-Xavier Bardaud, Nouha Ayadi, Marc Lecouvey, Chantal Houee-Levin, Giel Berden, Jos Oomens, Debora Scuderi
Summary: The oxidation of single amino acids proline and glutamic acid, as well as Met-containing model peptides, by OH radicals produced by g-radiolysis was studied using tandem mass spectrometry and infrared multiple-photon dissociation spectroscopy. The thioether group of methionine was identified as a common target of OH free radicals, leading to the formation of a S+ radical cation. The final fate of these radicals is still unknown, but the final stable products of oxidation were identified as mostly methionine sulfoxide.
INTERNATIONAL JOURNAL OF MASS SPECTROMETRY
(2023)
Article
Agriculture, Multidisciplinary
Davide Corinti, Lucretia Rotari, Maria Elisa Crestoni, Simonetta Fornarini, Jos Oomens, Giel Berden, Aura Tintaru, Barbara Chiavarino
Summary: In this study, mass spectrometry and spectroscopic techniques were used to analyze naringenin (Nar) and its structural isomer, naringenin chalcone (ChNar). It was found that they have slight structural differences and can be distinguished by specific vibrational features in the infrared spectra.
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
(2023)
Article
Chemistry, Physical
Brandon C. Stevenson, Giel Berden, Jonathan Martens, Jos Oomens, P. B. Armentrout
Summary: Infrared multiple photon dissociation (IRMPD) action spectroscopy was used to evaluate the complexes formed between the aromatic amino acids phenylalanine (Phe), tyrosine (Tyr), and tryptophan (Trp) and cationized ZnCl+ and CdCl+. The results showed that the dominant binding motif for MCl+(Phe) and MCl+(Tyr) is a tridentate structure, where the metal atom coordinates with the backbone amino nitrogen and carbonyl oxygen, as well as the aryl ring. For the ZnCl+(Trp) system, the experimental spectrum indicated a similar binding motif with the zinc atom coordinating with the backbone nitrogen and carbonyl oxygen and either the pyrrole ring or the benzene ring of the indole side chain.
JOURNAL OF PHYSICAL CHEMISTRY A
(2023)
Article
Chemistry, Multidisciplinary
Mathias Paul, Thomas Thomulka, Wacharee Harnying, Joerg-Martin Neudoerfl, Charlie R. Adams, Jonathan Martens, Giel Berden, Jos Oomens, Anthony J. H. M. Meijer, Albrecht Berkessel, Mathias Schaefer
Summary: Hydroxycarbenes can be generated and analyzed in the gas phase through collision-induced decarboxylation of alpha-ketocarboxylic acids. In this study, it was found that the flexible 3-(trimethylammonio)-propylhydroxycarbene exhibited stability and did not undergo H-shift to aldehyde or enol. This novel inhibition of quantum-mechanical hydrogen tunneling is attributed to intramolecular H-bonding between the mildly acidic alpha-ammonio C-H bonds and the hydroxyl carbene's C-atom.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2023)
Review
Spectroscopy
Theresa A. Gozzo, Matthew F. Bush
Summary: Collision cross-section values of protein ions, which can be determined by ion mobility experiments, are sensitive to the ions' structures and have applications in structural biology and biophysics. An extensive understanding of the relationship between charge state and collision cross-section values is still lacking. Here, we review cation-to-anion, proton-transfer reactions (CAPTR), a method that generates a series of charge-reduced protein cations by reacting quadrupole-selected cations with even-electron monoanions. The resulting CAPTR products are analyzed using ion mobility, mass spectrometry, and collisional activation, providing insights into the relationship between protein ion structure and charge state.
MASS SPECTROMETRY REVIEWS
(2023)
Article
Chemistry, Physical
Laura Finazzi, Jonathan Martens, Giel Berden, Jos Oomens
Summary: Intramolecular radical and proton migration play important roles in dissociation reactions in gas phase tandem mass spectrometry processes. Understanding the mechanism of these processes requires experiments and calculations on ion structures. The combination of ion trap mass spectrometry with IR laser spectroscopy provides an effective method to explore the details of ion structures. In this study, IRMPD spectroscopy and DFT calculations are used to investigate the reactant and product ion structures of a homolytic bond cleavage reaction.
Article
Chemistry, Physical
Musleh Uddin Munshi, Giel Berden, Jos Oomens
Summary: In this study, we utilized fingerprint infrared multiple-photon dissociation spectra to investigate the monohydrated coordination complex of cobalt(II) and the macrocycle 1,4,7,10,13-pentaoxacyclopentadecane (or 15-crown-5). The metal-ligand complexes were generated through electrospray ionization and their IR action spectra were recorded using a quadrupole ion trap mass spectrometer with the free-electron laser FELIX. By comparing the obtained spectral data with computed vibrational spectra, we determined the electronic structure and chelation motif. We found that the gas-phase complex adopts a quartet spin state and the chelation geometry is pseudo-octahedral.
JOURNAL OF PHYSICAL CHEMISTRY A
(2023)
Article
Chemistry, Multidisciplinary
Shane W. Devlin, Sasawat Jamnuch, Qiang Xu, Amanda A. Chen, Jin Qian, Tod A. Pascal, Richard J. Saykally
Summary: This study finds that doubly charged carbonate anions exhibit a stronger surface affinity than singly charged bicarbonate anions to the air-water interface. The findings are supported by computer simulations and experimental results, and have implications for ion adsorption chemistry as well as practical processes such as ocean acidification, sea-spray aerosol chemistry, and mammalian respiration physiology.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2023)
Article
Chemistry, Multidisciplinary
Rianne E. E. van Outersterp, Jonathan Martens, Giel Berden, Arnaud Lubin, Filip Cuyckens, Jos Oomens
Summary: The identification of biotransformation products of drug compounds is crucial for drug development. Liquid chromatography-mass spectrometry (LC-MS) has become the preferred method for metabolite profiling due to its high sensitivity and selectivity. However, determining the full molecular structure of the detected metabolites, including the exact biotransformation site, remains challenging using MS alone.
Article
Agriculture, Multidisciplinary
Matthias J. A. Vink, John J. Schermer, Jonathan Martens, Wybren Jan Buma, Giel Berden, Jos Oomens
Summary: Agricultural activities at lower temperatures lead to reduced plant growth and lower yields. The use of photomolecular heater agrochemicals can boost yields under these conditions, but the degradation caused by UV radiation needs to be examined.
ACS AGRICULTURAL SCIENCE & TECHNOLOGY
(2023)
Article
Chemistry, Physical
Shane W. Devlin, Franky Bernal, Erika J. Riffe, Kevin R. Wilson, Richard J. Saykally
Summary: This article discusses current issues in the context of the four chosen subtopics for the meeting, highlighting advances in both theory and experiment, as well as important practical manifestations and areas of unresolved controversy.
FARADAY DISCUSSIONS
(2023)