Suggested Topics within your search.
Showing 381 - 400 results of 505 for search '"anion"', query time: 0.05s Refine Results
  1. 381

    Micelle Mediated Trace Level Sulfide Quantification through Cloud Point Extraction by Samrat Devaramani, Pandurangappa Malingappa

    Published 2012-01-01
    “…The interference effect of the common anions and cations was studied. The proposed method has been successfully applied to quantify the trace level sulfide in the leachate samples of the landfill and water samples from bore wells and ponds. …”
    Get full text
    Article
  2. 382

    Spectrophotometric Studies on the Reaction of Diaveridine with Some Sulfonphthalein Dyes Based on Ion-Pair/Ion-Associate Complexes Formation by A. L. El-Ansary, N. S. Abdel-Kader, A. M. Asran

    Published 2018-01-01
    “…The ion-associate complexes of diaveridine were prepared in a solution and studied spectrophotometrically. The bulky counter anions such as sulfonphthalein acidic dyes, namely, bromocresol green (I), bromophenol blue (II), bromothymol blue (III), bromocresol purple (IV), bromocresol blue (V), o-cresol red (VI), p-cresol blue (VII), and m-cresol purple (VIII) were used for ion-associate complexes formation. …”
    Get full text
    Article
  3. 383

    Development of low-cost iron mixed porous pellet adsorbent by mixture design approach and its application for arsenate and arsenite adsorption from water by Borano Te, Boonchai Wichitsathian, Chatpet Yossapol, Watcharapol Wonglertarak

    Published 2018-02-01
    “…The separation and heterogeneity factors showed that both arsenate and arsenite were favorably adsorbed. Among coexisting anions, phosphate significantly showed negative effect on the adsorption of either arsenate or arsenite. …”
    Get full text
    Article
  4. 384

    Applications of Soil Moisture Sensor with Electrokinetic Ion Trap Mechanism by Ming-Hsi Lee, De-Jian Tsai, Chia-Yen Lee

    Published 2014-09-01
    “…A DC voltage is applied to the two electrodes such that the anions and cations in the water are trapped by the positive and negative electrodes, respectively, thereby minimizing their effects on the sensing operation. …”
    Get full text
    Article
  5. 385

    Anticancer Activity of Ferulic Acid-Inorganic Nanohybrids Synthesized via Two Different Hybridization Routes, Reconstruction and Exfoliation-Reassembly by Hyoung-Jun Kim, Kitae Ryu, Joo-Hee Kang, Ae-Jin Choi, Tae-il Kim, Jae-Min Oh

    Published 2013-01-01
    “…From X-ray diffraction and infrared spectroscopy, both nanohybrids were determined to incorporate ferulic acid molecules in anionic form. Micrsocopic results showed that the nanohybrids had average particle size of 150 nm with plate-like morphology. …”
    Get full text
    Article
  6. 386

    Development and validation of a simple and sensitive size-exclusion chromatography method for quantitative determination of heparin in pharmaceuticals by Matanović Maja Radivojša, Grabnarm Iztok, Grabnar Pegi Ahlin, Roškar Robert

    Published 2015-03-01
    “…However, due to its high anionic charge, heterogeneity in size distribution and high polarity, its analysis is very challenging. …”
    Get full text
    Article
  7. 387

    A Study on the Fluorescence Properties of New Laser Material-n-B18H22 in SDS Aqueous Solution by Lin-Na Zhang, Jie Chen, Xu-Guang Huang, Hong-Yun Meng, Chun-Hua Tan

    Published 2019-01-01
    “…The effect of anionic surfactant sodium dodecyl sulfate (SDS) on the fluorescence of n-B18H22 was studied. …”
    Get full text
    Article
  8. 388

    Optimization of Molecularly Imprinted Polymer Method for Rapid Screening of 17β-Estradiol in Water by Fluorescence Quenching by Yu Yang, Edward P. C. Lai

    Published 2011-01-01
    “…Fluorescence emission from E2 specifically bound inside the MIP particles was next quenched by small nitrite anions that easily penetrated the imprinted cavities. …”
    Get full text
    Article
  9. 389
  10. 390

    Electrochemical Study of Carbon Nanotubes/Nanohybrids for Determination of Metal Species Cu2+ and Pb2+ in Water Samples by Andréa Claudia Oliveira Silva, Luis Carlos Ferreira de Oliveira, Angladis Vieira Delfino, Mario Roberto Meneghetti, Fabiane Caxico de Abreu

    Published 2016-01-01
    “…The effects of cations and anions on the simultaneous determination of metal ions do not exhibit significant interference, thereby demonstrating the selectivity of the electrode for simultaneous determination of Pb2+ and Cu2+. …”
    Get full text
    Article
  11. 391

    Organotin Compound Derived from 3-Hydroxy-2-formylpyridine Semicarbazone: Synthesis, Crystal Structure, and Antiproliferative Activity by Joanna Wiecek, Dimitra Kovala-Demertzi, Zbigniew Ciunik, Joanna Wietrzyk, Maria Zervou, Mavroudis A. Demertzis

    Published 2010-01-01
    “…The doubly deprotonated ligand is coordinated to the tin atom through the enolic-oxygen, the azomethine-nitrogen, and phenolic-oxygen, and so acts as an anionic tridentate ligand with the ONO donors. Two carbon atoms complete the fivefold coordination at the tin(IV) center. …”
    Get full text
    Article
  12. 392

    Construction of Tb3+ PVC-MembraneElectrode Based on N,N’-Bis(pyrrolylmethylene)-2-aminobenzylamine by Hassan Ali Zamani, Zynab Rafati, Soraia Meghdadi

    Published 2011-01-01
    “…Poly vinylchloride (PVC)-based membrane composed of PMA with oleic acid (OA) as anionic additives and acetophenone (AP) as plasticizing solvent mediators. …”
    Get full text
    Article
  13. 393

    Syntheses, Crystal Structures, Magnetic Behaviours, and Thermal Properties of Three Hydrogen-Bonding Networks Containing Dicyanamide and 4-Hydroxypyridine by Lingling Zheng

    Published 2013-01-01
    “…Compounds 1 and 2 are isomorphous forming one-dimensional [M(dca)2(L)2]n chains where metals are connected by double dca anions. These one-dimensional chains are extended into two-dimensional layers through weak C–H⋯N hydrogen bonds. …”
    Get full text
    Article
  14. 394

    Bis(trans-cinnamaldehyde)-1,3-propanediimine) mercury(II)chloride, [Hg(BPPPB)Cl2] as Carrier for Construction of Iodide Selective Electrode by G. Karimipour, S. Gharaghani, R. Ahmadpour

    Published 2012-01-01
    “…The effect of various parameters including membrane composition, pH and possible interfering anions on the response properties of the electrode were examined. …”
    Get full text
    Article
  15. 395

    Antioxidant and Antimicrobial Activity of Ophiurasaponin Extracted from Ophiopholis mirabilis by Rongzhen Wang, Xiaoyu Xue, Jingrong Zhen, Chenghua Guo

    Published 2014-01-01
    “…The values of the IC50 of hydroxyl-radicals, superoxide anions, and peroxide were 25.54 mg/mL, 9.98 mg/mL, and 1.37 mg/mL, respectively. …”
    Get full text
    Article
  16. 396

    Secretory leukocyte protease inhibitor in punch biopsies from human colonic mucosa by Max Nyström, Ulla Peterson Westin, Carina Linder, Kjell Ohlsson

    Published 2001-01-01
    “…Free proteolytic activity, mainly pancreatic elastase, anionic trypsin and granulocytic elastase, has been demonstrated in faecal extracts from patients with ulcerative colitis. …”
    Get full text
    Article
  17. 397

    Flunisolide Decreases Exhaled Nitric Oxide and Nitrotyrosine Levels in Asthmatic Children by A. Bodini, D. G. Peroni, F. Zardini, M. Corradi, R. Alinovi, A. L. Boner, G. L. Piacentini

    Published 2006-01-01
    “…Exhaled nitric oxide (FeNO) has been reported to be elevated in the oxidative stress involved in asthmatic patients, and the reaction of nitric oxide (NO) with superoxide anions results in the formation of nitrotyrosine. …”
    Get full text
    Article
  18. 398

    Effect of Cl substitution on the microstructure, dielectric and optical properties of CaCu3Ti4O12 ceramics by Najwa. Gouitaa, Sahil Kumar, Fatima Zahra. Ahjyaje, Taj-dine. Lamcharfi, Amina. Benatia, Mustapha. Abarkan, Mamta Shandilya

    Published 2025-01-01
    “…This study investigates the enhanced properties of CaCu3Ti4O12 (CCTO) ceramics by substituting oxygen anions with chlorine to form CaCu3Ti4O10Cl2 (CCTO-Cl2). …”
    Get full text
    Article
  19. 399

    Crystal growth, structural phase transitions and optical gap evolution of FAPb(Br1-x Cl x )3 hybrid perovskites (FA: formamidinium ion, CH(NH2)2 +) by Carlos A. López, Oscar Fabelo, Carmen Abia, María T. Fernández-Diaz, José A. Alonso

    Published 2025-01-01
    “…Abstract Chemically tuned organic–inorganic hybrid halide perovskites based on bromide and chloride anions CH(NH2)2Pb(Br1−x Cl x )3 (CH(NH2)2 +: formamidinium ion, FA) have been crystallized and investigated by neutron powder diffraction (NPD), single crystal X-ray diffraction (SCXRD), scanning electron microscopy (SEM) and UV–vis spectroscopy. …”
    Get full text
    Article
  20. 400

    Hydrochemistry and Entropy-Based Groundwater Quality Assessment in the Suining Area, Southwestern China by Yunhui Zhang, Xiao Li, Ming Luo, Changli Wei, Xun Huang, Yong Xiao, Limao Qin, Qiuming Pei

    Published 2021-01-01
    “…By the statistical analysis, the cations followed the concentration order as Ca2+> Na+> Mg2+> K+, while anions’ concentrations were HCO3− > SO42− > Cl− > NO3− > F−. …”
    Get full text
    Article