A catalyst-coated diaphragm assembly to improve the performance and energy efficiency of alkaline water electrolysers by Zhuang Xu, Yanying Liu, Xiaobo Cheng, Yunshan Shang, Yongtao Wang, Jing Wang, Wenshi Li, Guangli He

“…The transport resistance of OH- ions is reduced and the electrochemical surface area of catalysts is enlarged by more than forty fold, representing more than 40% increase in hydrogen production rate or as much as 16% reduction in energy consumption. …”
Get full text

Graphene oxide and its derivatives films for sustained-release trace element zinc based on cation-π interaction by Wei Zhang, Yijia He, Hongwei Zhu, Xiao Li, Zucai Zou, Chaogui Luo, Jianlie Wei, Baoying Lu, Duo Zhang, Ming Zhou

“…Due to the unique π-bond characteristics of GO (graphene oxide), it was selected as a cation carrier to improve fertilizer anti-loss capabilities and facilitate the effective release of nutrient ions. By adjusting the interface properties of GO, RGO (rippled graphene oxide) and CGO (crumpled graphene oxide) were successfully prepared, and their interactions with cations and the impact on sustained-release performance were studied. …”
Get full text

Electronic Structure and Magnetic Coupling of Pure and Mg-Doped KCuF3 by Fausto Cargnoni, Simone Cenedese, Paolo Ghigna, Mario Italo Trioni, Marco Scavini

“…We considered four possible magnetic ordering of the unpaired electrons on copper ions. Both materials are correctly predicted as being 1D antiferromagnetic insulators, and the superexchange parameters in the crystallographic ab planes and along the c direction measure +10 and -600 K, respectively. …”
Get full text

Preparation of Laundry Soap from Palm Oil and Lye from Ash of Dry Eucalyptus Tree. by Bwambale, Gerald

“…This suggests that the soap's white color results from bleaching the oil sample, and that the soap's hardness is caused by a high concentration of K+ ions in the manufactured soap, as evidenced by the emulsification test results (observed), foam test results (form lightly with moderate persistence), and foam height measurements (1.1 cm). …”
Get full text

Whole genome sequencing of a novel carrageenan-degrading bacterium Photobacterium rosenbergii and oligosaccharide preparation by Jing Chen, Jing Chen, Runmin Chen, Kit-Leong Cheong, Zhuo Wang, Rui Li, Xuejing Jia, Qiaoli Zhao, Xiaofei Liu, Bingbing Song, Saiyi Zhong, Saiyi Zhong

“…Enzymatic activity was assessed under different conditions, including substrate, temperature, pH, and the presence of metal ions. Hydrolysis products were analyzed using thin-layer chromatography (TLC) and electrospray ionization mass spectrometry (ESI-MS).ResultsPhotobacterium rosenbergii GDSX-4 is a Gram-negative bacterium isolated from the red algae, capable of degrading several polysaccharides. …”
Get full text

Results of using cell technologies for creation of new barley varieties resistant against aluminum toxicity and drought by O. N. Shupletsova, I. N. Shchennikova

“…Results of a study of economically valuable parameters of barley regenerant lines obtained by cell selection on selective media with aluminum, hydrogen ions and polyethylene glycol are presented. Genotypes superior to the initial variety and standard variety have been identified under laboratory conditions: root length index (regenerants: 0.9–1.2 %; standard: 0.8 %) and drought resistance (regenerants: 17.8–45.2 %; standard: 8.5 %); productive parameters under growth chamber conditions (12 % increase in germination ability, 21 % increase in productive plant stand, 2.3- fold increase in grain number per ear, 1.5-fold increase in weight of grains per plant). …”
Get full text

High-performance electrochemical sensor based on Pt-Ag@Cu-BDC MOF composite modified glassy carbon electrode for detection of imidacloprid in citrus juice and water samples by Fariba Hasani, Jahan Bakhsh Raoof, Reza Ojani, Milad Ghani

“…First, Ag NPs were incorporated into Cu-BDC MOF and then Pt NPs were substitute through galvanic replacement reaction between Ag NPs and Pt ions. The Pt-Ag@Cu-BDC MOF as a novel nanocomposite was utilized as a modifier to decorate glassy carbon (GC) electrode. …”
Get full text

Recovery of pure lithium phosphate from sulfuric acid leaching solutions of spent LiFePO4 batteries by solvent extraction and chemical precipitation by Chen J., Tran T. T., Lee M. S.

“…The optimum conditions for the complete dissolution of LiFePO4 batteries by sulfuric acid solution and for the separation of iron and lithium ions from the leaching solutions were determined. …”
Get full text

A Rapid Cu Enrichment Mechanism from Cu-Bearing Brine in Kuqa Basin, Xinjiang, China: Controlled by Crystallized Sequence of Saline Minerals by Yangtong Cao, Haiming Xu

“…The Cu-bearing brine derived from meteoric waters and ancient seawater has a powerful capacity to leach metallic ions from its surrounding rocks and can be formed in a very short time (10 days is OK) in normal pressure and temperature conditions; also, the cycle of surface-Cu enrichment (mineralization) is only a few months (no more than 5). …”
Get full text

Innovative zero-valent cobalt decoration on MIL-88 A(Fe)@β-CD for high-efficiency and reusable cr(VI) removal by Eman M. Abd El-Monaem, Nouf Al Harby, Mervette El Batouti, Abdelazeem S. Eltaweil

“…The optimization experiments of the Cr(VI) ions clarified that the higher adsorption % fulfilled 94.02% at pH = 3, using ZVCo-MIL-88 A(Fe)@β-CD dosage = 0.5 g/L, Cr(VI) concentration = 50 mg/L, and at room temperature. …”
Get full text

Modelling the Isotope composition of groundwater using hydrochemical properties in eastern Saudi Arabia: Implementation of innovative data intelligence techniques by Mohammed Benaafi, Waleed M. Hamanah, Ebrahim Al-Wajih

“…New hydrological insight for the region: Eight AI algorithms (KNN, SVR, RF, ET, Bag, AdaBt, GRB, and CAT) and stacking ensemble models were developed to predict the δ¹ ⁸O and δ²H isotopes of the groundwater using a dataset of physicochemical parameters, ions and elements, and isotopes from 47 wells. The study shows that the stacking ensemble models outperformed individual algorithms. …”
Get full text

Photocatalytic Hydrogen or Oxygen Evolution from Water over S- or N-Doped TiO2 under Visible Light by Kazumoto Nishijima, Takaaki Kamai, Naoya Murakami, Toshiki Tsubota, Teruhisa Ohno

“…Photocatalytic oxidation of water on doped TiO2 having a rutile phase proceeded with fairly high efficiency when Fe3+ ions were used as electron acceptors compared to that on doped TiO2 having an anatase phase. …”
Get full text

Purification and characterization of lipase from Bacillus subtilis kubt4 for biodiesel production by Parveen Nadaf, Shridhar Ghagane, Rubeen Dadakalandar Nadaf, Shivasharana Chandrabanda Timmappa

“…The characterized lipase exhibited alkaline properties, displaying optimal activity and stability at pH 8.0 and a temperature of 35 °C. The presence of Mg2+ ions significantly enhanced the enzyme activity by 180.21%. …”
Get full text

Characterization and enhanced performance of Ivorian clays as potential modifiers in carbon paste electrodes by Legré Paul Gauly, Mariame Coulibaly, Ségnéninhinténin Bakary Soro, Koffi Siméon Kouadio, Seiny Roger N’Dri, Ali Sanou, Albert Trokourey

“…In addition, to enhance the properties of the clay, sodium ions were successfully incorporated into clays, resulting in higher sodium content and an increased specific surface area. …”
Get full text

Optical properties of Eu3+ doped calcium sodium bismuth borosilicate glasses via melt quenching method by Nakka Praveenkumar, K.V. Madhuri, Anju Babu, D.V. Krishna Reddy

“…We looked at fluctuations in the optical characteristics of Eu3+ ions using the UV-Vis-NIR spectra. Emission bands in the visible range of 540–740 nm are apparent in luminescence spectra. …”
Get full text

Synthesis of a Calcium Silicate Cement Containing a Calcinated Strontium Silicate Phase by Saeede Zadsirjan, Negar Parvaneh Dehkordi, Soolmaz Heidari, Farhood Najafi, Nazanin Zargar, Mojgan Feli, Sepideh Salimnezhad

“…The setting time significantly decreased by an increase in percentage of strontium (P <0.05). Release of Ca and Si ions significantly decreased by an increase in percentage of strontium (P <0.05). …”
Get full text

Giant Power Output from Ionic/electronic Hybrid Nanocomposite Thermoelectric Converter Under Constant Temperature Gradient by Siqi Liu, Mingxia Zhang, Junhua Kong, Hui Li, Chaobin He

“…While ionic TE capacitors based on ionic conductors exhibit high thermovoltage (100–102 mV K−1), ionic TE capacitors provide power discontinuously only under variation of temperature gradient as ions cannot transport across electrodes to external circuits. …”
Get full text

Electrochemical Analysis of Architecturally Enhanced LiFe0.5Mn0.5PO4 Multiwalled Carbon Nanotube Composite by Sabelo Sifuba, Shane Willenberg, Usisipho Feleni, Natasha Ross, Emmanuel Iwuoha

“…This result demonstrates that MWCNTs stimulate faster electron transfer and stability for the LiFe0.5Mn0.5PO4 framework, which demonstrates to be favorable as a host material for Li+ ions.…”
Get full text

Evaluation of Corrosion Resistance of Corrosion Inhibitors for Concrete Structures by Electrochemical Testing in Saturated Ca(OH)2 Solutions with NaCl and Na2SO4 by Hwa Sung Ryu, Chang Gil Lim, Tae Won Kang, Seungmin Lim, Hong Tae Kim, Sang Heon Shin

“…Carbonates and sulfates destroy the concrete matrix and accelerate the penetration of hazardous ions, thereby deteriorating the structure. To alleviate the corrosion of internal reinforcing steel within concrete, corrosion inhibitors are most widely used. …”
Get full text

Nutrient Stimulation of Indigenous Microorganisms for Oil-in-Water Emulsion in a Medium Temperature Petroleum Reservoir with Ca2+-Rich Brine by Guoxin Shi, Yuanyuan Jia, Lei Bai, Guoqiang Li, Xiaoli Liu, Meichen Liu, Xuecheng Dai, Xuefeng Tian, Hongbo Wang, Ting Ma

“…One of the challenges indigenous microbial enhanced oil recovery (MEOR) is facing is the high percentage of divalent ions, which obstruct the growth and metabolism of microorganisms and destabilize the oil-in-water (o/w) emulsion. …”
Get full text