A Comparative Study on Removal of Hazardous Anions from Water by Adsorption: A Review by Yasinta John, Victor Emery David, Daniel Mmereki

“…This paper presents a comparative review of arsenite (As(III)), arsenate (As(V)), and fluoride (F−) for a better understanding of the conditions and factors during their adsorption with focus on (i) the isotherm adsorption models, (ii) effects of pH, (iii) effects of ionic strength, and (iv) effects of coexisting substances such as anions, cations, and natural organics matter. It provides an in-depth analysis of various methods of arsenite (As(III)), arsenate (As(V)), and fluoride (F-) removal by adsorption and the anions’ characteristics during the adsorption process. …”
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Adsorption and Movement of Cypermethrin on Indian Soils Amended with Cationic, Non-Ionic and Anionic Surfactants by R.P. Singh, Ritu Singh

“…The values of K F and K D confirmed that cypermethrin adsorption on surfactant-amended soils followed the order cationic > non-ionic > anionic under all CMC conditions studied. The K F and K D values also confirmed that cypermethrin adsorption was higher on soils amended with surfactants maintained below the CMC, while lower values of K F and K D confirmed the lower adsorption of cypermethrin on soils amended with both non-ionic and anionic surfactants maintained at or above the CMC value relative to the situation with surfactant-free soils. …”
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Two-dimensional anion-rich NaCl2 crystal under ambient conditions by Ruobing Yi, Jie Jiang, Yizhou Yang, Yueyu Zhang, Siyan Gao, Yimin Zhao, Jiahao Hu, Xuchang Su, Xinming Xia, Bingquan Peng, Fangfang Dai, Pei Li, Zhao Guan, Haijun Yang, Fangyuan Zhu, Jiefeng Cao, Zhe Wang, Haiping Fang, Lei Zhang, Liang Chen

“…Abstract The two-dimensional (2D) “sandwich” structure composed of a cation plane located between two anion planes, such as anion-rich CrI3, VS2, VSe2, and MnSe2, possesses exotic magnetic and electronic structural properties and is expected to be a typical base for next-generation microelectronic, magnetic, and spintronic devices. …”
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Anion gap as a prognostic index for cows with abomasal displacement and cecal dilatation and tortion by Kürşat TURGUT

“…Case records of total 66 cows with albomasal displacement and cecal dilatation and torsion were examined to determine whethar the preoperative heart rate, plasma base excess (BE) concentration, serum chloride (Cl^-) and Anion gap (AG) could be used as a prognostic index. …”
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Adsorption of Anionic Surfactants onto Alumina: Characteristics, Mechanisms, and Application for Heavy Metal Removal by Thi Minh Thu Nguyen, Thi Phuong Thao Do, Thi Sim Hoang, Ngoc Viet Nguyen, Huy Dong Pham, Trung Dung Nguyen, Thi Ngoc Mai Pham, Thanh Son Le, Tien Duc Pham

“…We investigated adsorption of anionic surfactants, sodium dodecyl sulfate (SDS) and sodium tetradecyl sulfate (STS), onto alumina (Al2O3) with large size in the present study. …”
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Preparation and characterization of graphene oxide-based cation, chelating, and anion exchangers for salt removal by Mahmoud A. Al Azwani, Saleh Al Busafi, El-Said I. El-Shafey

“…GOP sorbs both Ca2+ and Mg2+ via chelation while their anions are sorbed via ion pairing. GOT sorbs the cations via ion exchange while anions are sorbed via ion pairing. …”
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INTENSITY OF NITRIC OXIDE SYNTHESIS IN THE BLOOD OF RATS UNDER THE INFLUENCE OF SODIUM FLUORIDE by I.L. Kolisnyk

Subjects: “…sodium fluoride, nitric oxide, intoxication, nitrite anions, nitrate anions…”
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Synthesis and Properties of Anion Exchangers Derived from Chloromethyl Styrene Codivinylbenzene and Their Use in Water Treatment by Hesham A. Ezzeldin, Allen Apblett, Gary L. Foutch

“…The results indicate that these anion exchangers have a meaningful increase in thermal stability over commercial anionic exchange beads.…”
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Recent advances in anion exchange membrane technology for water electrolysis: a review of progress and challenges by Abdul Qayoom, Muhammad Shakeel Ahmad, H. Fayaz, Atika Qazi, Jeyraj Selvaraj, Rahadian Zainul, Krismadinata, Nasrudin Abd Rahim, Farruh Atamurotov, Thien Khanh Tran, Basma Souayeh, Natei Ermias Benti

Subjects: “…anion exchange membrane…”
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Syntheses and structures of two coordination polymers formed by Ni(cyclam)2+ cations and sulfate anions by Liudmyla V. Tsymbal, Irina L. Andriichuk, Lucian G. Bahrin, Yaroslaw D. Lampeka

“…Two O atoms of the sulfate anions occupy the trans-axial positions resulting in a slightly tetragonally distorted trans-NiN4O2 octahedral coordination geometry. …”
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Prognostic significance of albumin corrected anion gap in patients with acute pancreatitis: a novel perspective by Jianjun Wang, Pei Yang, Xintao Zeng, Sirui Chen, Xi Chen, Lan Deng, Ruizi Shi, Chuan Qin, Huiwen Luo, Jianping Gong, Hua Luo, Decai Wang

Subjects: “…Albumin-corrected anion gap…”
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Transition metal vacancy and position engineering enables reversible anionic redox reaction for sodium storage by Congcong Cai, Xinyuan Li, Jiantao Li, Ruohan Yu, Ping Hu, Ting Zhu, Tianyi Li, Sungsik Lee, Nuo Xu, Hao Fan, Jinsong Wu, Liang Zhou, Liqiang Mai, Khalil Amine

“…Abstract Triggering the anionic redox reaction is an effective approach to boost the capacity of layered transition metal (TM) oxides. …”
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A Higher Serum Anion Gap Is Associated with the Risk of Progressing to Impaired Fasting Glucose and Diabetes by Yingchao Zhang, Fengran Xiong, Ruxuan Zhao, Tingting Shi, Jing Lu, Jinkui Yang

“…Our study was designed to identify the relationship between the serum anion gap and the risk of progressing to impaired fasting glucose and diabetes. …”
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Use of Anionic Surfactant-Modified Activated Carbon for Efficient Adsorptive Removal of Crystal Violet Dye by Rumi Goswami, Amit Kumar Dey

“…Studies have been carried out to investigate the removal of crystal violet (CV) cationic dye by using rice husk which was used as a raw material to prepare activated carbon (AC) and it was treated with anionic surfactant. In this process, AC was treated with three different anionic surfactants, namely, lauryl sulfate ACMAS, ACSDS, and ACHTAB. …”
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Anion-Directed Assembly of a Bimetallic Pd/Ag Nanocluster: Synthesis, Characterization, and HER Activity by Yu-Rong Ni, Rugma Thekke Pangal, Michael N. Pillay, Tzu-Hao Chiu, Samia Kahlal, Jean-Yves Saillard, C. W. Liu

“…Palladium-doped silver nanoclusters (NCs) have been highlighted for their unique physicochemical properties and potential applications in catalysis, optics, and electronics. Anion-directed synthesis offers a powerful route to control the morphology and properties of these NCs. …”
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Development of a Reliable Analytical Method for Liquid Anion-Exchange Extraction and Separation of Neodymium(III) by Balasaheb N. Kokare, Ganesh S. Kamble, Balasaheb M. Sargar, Mansing A. Anuse

“…The method is free from interference of large number cations and anions. The method was used for the selective extraction of neodymium(III) from its binary mixture with U(VI), Zr(IV), Nb(V), La(III), Th(IV), Ce(IV), and Y(III). …”
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Effect of pH and Monomer Dosing Rate in the Anionic Polymerization of Ethyl Cyanoacrylate in Semicontinuous Operation by Hened Saade, Suleidi Torres, Cynthia Barrera, Julieta Sánchez, Yolanda Garza, Raúl G. López

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Preparation of Two-Layer Anion-Exchange Poly(ethersulfone) Based Membrane: Effect of Surface Modification by Lucie Zarybnicka, Eliska Stranska, Jana Machotova, Gabriela Lencova

“…Followed by amination, a two-layer anion-exchange membrane was prepared. The effect of surface layer treatment using the extraction in various solvents on membrane morphological and electrochemical characteristics was studied. …”
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MXene-Assisted NiFe sulfides for high-performance anion exchange membrane seawater electrolysis by Jiaqi Wang, Yue Liu, Ganceng Yang, Yanqing Jiao, Youming Dong, Chungui Tian, Haijing Yan, Honggang Fu

“…Abstract Anion exchange membrane seawater electrolysis is vital for future large-scale green hydrogen production, however enduring a huge challenge that lacks high-stable oxygen evolution reaction electrocatalysts. …”
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Influence of the carboxylate anion on the CO2 absorption mechanism using based-imidazolium ionic liquids by Diana Murillo-Criado, Fernando Aguilar-Galindo, Isabel Serrano, Miguel A. Gonzalez, Emilia Tojo, Inmaculada Suárez, Baudilio Coto, Maria Jose Tenorio

“…Furthermore, this work studies, using Density Functional Theory (DFT) and COSMO modelling, the difference in the spontaneity of the proton transfer from the cation [BMIm]+ to the carboxylate anions of the ionic liquids used in CO2 absorption process. …”
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