High-Efficiency Adsorption of Hexavalent Chromium from Aqueous Solution by Samanea saman Activated Carbon by Achmad Chusnun Niam, Ernso Fenelon, Erlinda Ningsih, Yustia Wulandari Mirzayanti, Eka Kristanti

“…The optimal conditions for Samanea saman indicated high efficiency toward hexavalent chromium ions within the following process parameters; pH value 5, adsorbent dosage 5 g, and initial concentration 20 mg/L. …”
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Geochemical Characteristics of Formation Water in Carbonate Reservoirs and Its Indication to Hydrocarbon Accumulation by Zhen Sun, Zhen Yang, Xiaoning He, Cixuan Wan, Gang He, Qiang Ren, Shihu Zhao, Wei Cheng, Sisi Chen

“…The hydrodynamic field controls the content of various ions in formation water and is an important participant in hydrocarbon evolution. …”
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Azimuthal asymmetries in lepton and heavy-quark pair production in UPCs by Daniël Boer, Luca Maxia, Cristian Pisano

“…Abstract Azimuthal modulations in lepton and heavy-quark pair production in ultraperipheral collisions (UPCs) of highly charged ions are investigated. The modulations in the azimuthal angles of the sum and difference of the transverse momenta of the pair of particles in the final state, as well as of the transverse impact parameter, arise from the collisions of unpolarized and polarized photons. …”
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Spectroscopic, Diagnostics, and Surface Modification of Stainless Steel Doped with Ti Plasma Produced by DC Magnetron Sputtering and Used in Biomedical Applications by Mustafa A. Mahmood, Riyam Adnan Hammudi

“…The cytotoxicity results demonstrate a significant cytotoxic effect on CHO cells, which could be attributed to the high concentration of metal ions produced by the material's biocorrosion, which causes the culture medium's pH to change quickly, as indicated by a change in colour.…”
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Electrochemical Denitrification of Synthetic Aqueous Solution and Actual Contaminated Well Water: RSM Modeling, Kinetic Study, Monte Carlo Optimization, and Sensitivity Analysis by Fahimeh Shamseali, Farzaneh Mohammadi, Hamidreza Pourzamani, Mahsa Janati

“…In this study, Ti/RuO2 and graphite were used as anode and cathode electrodes, respectively, to treat synthetic aqueous solutions containing different concentrations of nitrate ions. Nitrate initial concentration (2.75–55 mg NO3-N/lit), voltage (2.5–30 V), pH (3–13), electrode distance (ED = 0.5–3.5 cm), and reaction time (10–180 min) were the main studied operating parameters for the electrochemical denitrification (ECD) reactor. …”
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Fast and Selective Adsorption of Au (III) from the Waste Printed Circuit Boards Using a Low-Cost Adsorbent: Optimization by Central Composite Design Based on Response Surface Metho... by Farideh Zandi-Darehgharibi, Hedayat Haddadi, Arash Asfaram

“…Adsorption properties were investigated by the kinetic, isotherm, thermodynamic, and interference of coexisting metal ions at optimum conditions. The experimental adsorption percentage with three repetitions under the optimized conditions such as pH = 2, adsorbent mass = 23 mg, Au (III) concentration = 32 mg L−1, and contact time = 30 min was 97% and the highest adsorption capacity of the GA was 315.450 mg g−1. …”
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Synthesis and Structural Studies on Transition Metal Complexes Derived from 4-Hydroxy-4-methyl–2-pentanone-1H-benzimidazol-2-yl-hydrazone by M. Neelamma, P. Venkateswar Rao, G. H. Anuradha

“…Infrared spectral data suggest that the ligand HPBH behaves as a monobasic tridentate ligand with N: N: O donor sequence towards the metal ions. On the basis of the above physicochemical data, octahedral, tetrahedral and square planar geometries were assigned for the complexes. …”
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Geopolymers in nuclear waste storage and immobilization: mechanisms, applications, and challenges by M. Houhou, N. Leklou, H. Ranaivomanana, JD. Penot, S. de Barros

“…However, recent studies show that geopolymer (GP), a novel class of cementitious materials, exhibit superior performance in immobilizing radioactive contaminants with reported compressive strength exceeding 50 MPa and leach rates for cesium and strontium ions reduced by over 95% compared to OPC based barriers. …”
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Endothelial calcium dynamics elicited by ATP release from red blood cells by Ananta Kumar Nayak, Sovan Lal Das, Chaouqi Misbah

“…Subsequently, these liberated ATP molecules initiate a crucial interaction with endothelial cells (ECs), thereby setting off a cascade involving the release of calcium ions (Ca $$^{2+}$$ 2 + ). Ca $$^{2+}$$ 2 + exerts control over a plethora of cellular functions, and acts as a mediator for dilation and contraction of blood vessel walls. …”
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Hydrogeology and Hydrogeochemistry of the Lauria Mountains Northern Sector Groundwater Resources (Basilicata, Italy) by Filomena Canora, Giovanna Rizzo, Simona Panariello, Francesco Sdao

“…The processes contributing to the concentrations of major ions depend primarily on carbonate dissolution. The analysis, in all studied groundwater samples, shows that the facies groundwater type is Ca–HCO3, bicarbonate is the dominant anion, and calcium is the dominant cation with appreciable magnesium concentrations. …”
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Calcium-mediated mitochondrial fission and mitophagy drive glycolysis to facilitate arterivirus proliferation. by Zhe Sun, Zicheng Ma, Wandi Cao, Chenlong Jiang, Lei Guo, Kesen Liu, Yanni Gao, Juan Bai, Jiang Pi, Ping Jiang, Xing Liu

“…Here, we report that infection with the swine arterivirus porcine reproductive and respiratory syndrome virus (PRRSV), manipulates mitochondria calcium ions (Ca2+) to induce mitochondrial fission and mitophagy, thereby reprogramming cellular energy metabolism to facilitate its own replication. …”
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Application of Chitosan Composite Flocculant in Tap Water Treatment by Awa Kangama, Defang Zeng, Xu Tian, Jinfu Fang

“…The chitosan is a good flocculant for tap water treatment because of its properties such as faster deposition rate and higher removal efficiency for COD (organic matter), SS (suspended solids), and metal ions. However, its high price limits the use in tap water treatment. …”
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Cadmium sulfide (CdS) nanoparticles and Cd2+ accumulated by Portulaca oleracea L. using a hydroponic system: Constructed wetland perspective by Hameed Ullah, Yanqing Sheng

“…A potential species of constructed wetland plants (P. oleracea) was examined for their CdS NPs and Cd ions tolerance and accumulation. This study evaluated the P. oleracea life traits response, Cd accumulation, bioaccumulation factor (BCF), and translocation factor (TF) to assess their abilities to absorb and accumulate Cd. …”
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The Pathology of Orthopedic Implant Failure Is Mediated by Innate Immune System Cytokines by Stefan Landgraeber, Marcus Jäger, Joshua J. Jacobs, Nadim James Hallab

“…In some people implant debris (particles and ions from metals) can influence the adaptive immune system as well, giving rise to the concept of metal sensitivity. …”
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Harnessing marine bacteria for next-gen antibiotics: potent inhibition of S. aureus and Riemerella anatipestifer through in vitro, omics, and chemoinformatics approach with enhance... by Syed Shams ul Hassan, Huizi Jin

“…To the best of our knowledge, this is the first study investigating marine bacterial metabolites against R. anatipestifer with their anti-bacterial mechanism and enhancing their yield through the addition of zinc sulfate ions.…”
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Bioassay-Guided Fractionation, ESI-MS Scan, Phytochemical Screening, and Antiplasmodial Activity of Afzelia africana by Bright Yaw Vigbedor, Jonathan Osei-Owusu, Ralph Kwakye, David Neglo

“…The full ESI-MS fingerprint of fractions 1, 2, 3, and 4 revealed the presence of 14, 24, 34, and 37 major molecular ions or compounds in each fraction, respectively.…”
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Phosphorus-modified Zr-based metal-organic framework materials for their effective removal of thorium from aqueous solutions by Yinghao Zhuang, Shuai Sun, Kai Jia, Lei Shi, Xiangshan Yang

“…It also exhibits excellent selectivity (up to 90.2%) for Th(IV) adsorption in the presence of several coexisting rare-earth ions. Overall, the integration of phosphorus-modified in Zr-MOFs represents a significant advancement in thorium adsorption technology, offering a pathway toward more effective management of radioactive acidic waste liquid.…”
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Reactions of Hydrogen-Passivated Silicon Vacancies in <i>α</i>-Quartz with Electron Holes and Hydrogen by Teofilo Cobos Freire, Jack Strand, Alexander L. Shluger

“…We used density functional theory with a hybrid functional to investigate the structure and properties of [4H]<i>_Si</i> (hydrogarnet) defects in <i>α</i>-quartz as well as the reactions of these defects with electron holes and extra hydrogen atoms and ions. The results demonstrate the depassivation mechanisms of hydrogen-passivated silicon vacancies in <i>α</i>-quartz, providing a detailed understanding of their stability, electronic properties, and behaviour in different charge states. …”
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Groundwater-Mixing Mechanism in a Multiaquifer System Based on Isotopic Tracing Theory: A Case Study in a Coal Mine District, China by Pinghua Huang, Xinyi Wang

“…To study the mixing mechanism of a multiaquifer groundwater system, groundwater samples were collected from different strata in a typical North China-type coalfield (Chaochuan Coal Mine) and were then tested using environmental isotopes (18O, 2H, 3H, 13C, and 14C) and hydrochemical ions (Ca2+, Mg2+, Na+, K+, HCO3−, SO42−, and Cl−) as tracer agents. …”
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Synthesis of a Novel Ce-bpdc for the Effective Removal of Fluoride from Aqueous Solution by Changqing Zhao, Yanwei Cui, Fang Fang, Si Ok Ryu, Jiarui Huang

“…The Ce-bpdc coordination complex exhibited high binding capacity for fluoride ions. The maximum adsorption capacity calculated from Langmuir model was high up to 45.5 mg/g at 298 K (pH = 7.0) and the removal efficiency was greater than 80%. …”
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