Showing 1,421 - 1,440 results of 3,071 for search '"ions"', query time: 0.06s Refine Results
  1. 1421

    Pharmacokinetic Comparison of Isoalantolactone and Alantolactone in Rats after Administration Separately by Optimization of an UPLC-MS2 Method by Renjie Xu, Mengyue Wang, Ying Peng, Xiaobo Li

    Published 2014-01-01
    “…In this method, an electrospray ionization source was applied and operated in positive ion mode; multiple reaction monitoring (MRM) was selected for quantification using target fragment ions 233.2→187.1 for isoalantolactone (alantolactone) and 245.1→189.1 for internal standard (IS). …”
    Get full text
    Article
  2. 1422

    Isotopic Transient Kinetic Analysis of Soot Oxidation on Mn<sub>3</sub>O<sub>4</sub>, Mn<sub>3</sub>O<sub>4</sub>-CeO<sub>2</sub>, and CeO<sub>2</sub> Catalysts in Tight Contact Co... by Marek Rotko, Karolina Karpińska-Wlizło

    Published 2025-01-01
    “…Moreover, strong interactions between Mn and Ce ions were observed, increasing oxygen mobility in the catalyst crystal lattice and affecting the activity of Mn-Ce catalysts.…”
    Get full text
    Article
  3. 1423

    Synthesis and Crystal Structure Characterization of Zinc (II) Tetronic Acid Complexes by K. C. Prousis, G. Athanasellis, V. Stefanou, D. Matiadis, E. Kokalari, O. Igglessi-Markopoulou, V. McKee, J. Markopoulos

    Published 2010-01-01
    “…The synthesis and characterization of two new tetronic acid zinc (II) complexes of the empirical formulae [Zn(L–H)2(H2O)2] (1) and [Zn(L–H)2(H2O)(MeOH)]H2O (2) found within the same crystal are reported. The zinc ions bind through alkoxide and carbonyl groups of the ligand 3-methoxycarbonyl-5-phenyl tetronic acid (LH) as indicated by H NMR and X-ray crystallographic studies. …”
    Get full text
    Article
  4. 1424

    Recognizing Dew as an Indicator and an Improver of Near-Surface Air Quality by Yingying Xu, Xinyue Zhu

    Published 2017-01-01
    “…Specifically, its water-soluble ions and carbonaceous species could be used to distinguish emission sources and to identify the presence of secondary organic carbon. …”
    Get full text
    Article
  5. 1425

    Identification and Mass Spectrometric Fragmentation Pathways of Chemical Components in the Traditional Chinese Medicine Formula of Jiuwei Decoction by Jia-yu ZHAO, Yue-guang LYU, Tong XIN, Qian-qian GUO, Wen-ying ZHANG, Jin-hong LI, Hong-yu XUE, Qiang MA

    Published 2025-01-01
    “…Accurate mass information of precursor ions and fragment ions was meticulously compared with various databases, including the Orbitrap Traditional Chinese Medicine Library (OTCML), as well as other online databases such as TCMSP, ChemSpider, PubChem, PubMed, and Web of Science, in addition to a self-curated database for identification purposes. …”
    Get full text
    Article
  6. 1426

    Will the Increasing of Anthropogenic Pressures Reduce the Biopotential Value of Sponges? by Hedi Indra Januar, Asri Pratitis, Aditya Bramandito

    Published 2015-01-01
    “…., and Niphates sp.) and study had been conducted in Hoga Island, Indonesia, to define the relationship between seawater variables (DO, pH, phosphate, and ammonia ions), sponges spatial competition, and their bioactivity level (Brine Shrimp Lethality Test). …”
    Get full text
    Article
  7. 1427

    Simple Instrumental and Visual Tests for Nonlaboratory Environmental Control by L. P. Eksperiandova, S. V. Khimchenko, N. A. Stepanenko, I. B. Shcherbakov

    Published 2016-01-01
    “…Developed are the chemical colorimetric modes for fast detection of socially dangerous trace impurities in water such as Co(II), Pd(II), and Rh(III) as well as NO2--ions and Fe(III) serving as model impurities. Application of portable digital devices and scanner allows estimating the color coordinates and increasing the accuracy and sensitivity of the tests. …”
    Get full text
    Article
  8. 1428

    Photocatalytic oxidation of fuel oxygenated additives in aqueous solutions by M. Krichevskaya, A. Kachina, T. Malygina, S. Preis, J. Kallas

    Published 2003-01-01
    “…The influence of mineral additives—sulphate, calcium, ferric and manganese ions—on the process efficiency was found to be complex. …”
    Get full text
    Article
  9. 1429

    Selection of DNA Aptamers for Ovarian Cancer Biomarker CA125 Using One-Pot SELEX and High-Throughput Sequencing by Delia J. Scoville, Tae Kyu Brian Uhm, Jamie A. Shallcross, Rebecca J. Whelan

    Published 2017-01-01
    “…Binding was differently influenced by the presence of Mg2+ ions, being required for binding of CA125_1 and abrogating binding of CA125_12. …”
    Get full text
    Article
  10. 1430

    Genotoxicity of Copper and Nickel Nanoparticles in Somatic Cells of Drosophila melanogaster by Erico R. Carmona, Alba García-Rodríguez, Ricard Marcos

    Published 2018-01-01
    “…Thus, the genotoxicity of Ni-NPs seem to be related to their nanoscale size, because no genotoxic effects have been reported with their microparticles and ions. This study is the first assessing the in vivo genotoxic potential of Cu-NPs and Ni-NPs in the Drosophila model.…”
    Get full text
    Article
  11. 1431

    A Type of MOF-Derived Porous Carbon with Low Cost as an Efficient Catalyst for Phenol Hydroxylation by Renjie Zhou, Gui Chen, Yuejun Ouyang, Hairui Ni, Nonglin Zhou, Bailin Xiang

    Published 2021-01-01
    “…After MDPC-600 was loaded with Cu ions, the catalyst Cu/MDPC-600 was acquired by heat treatment under nitrogen atmosphere. …”
    Get full text
    Article
  12. 1432

    Synthesis, Characterization, Antimicrobial, DNA Cleavage, and Antioxidant Studies of Some Metal Complexes Derived from Schiff Base Containing Indole and Quinoline Moieties by Mahendra Raj Karekal, Vivekanand Biradar, Mruthyunjayaswamy Bennikallu Hire Mathada

    Published 2013-01-01
    “…In order to evaluate the effect of metal ions upon chelation, both the ligand and its metal complexes were screened for their antibacterial and antifungal activities by minimum inhibitory concentration (MIC) method. …”
    Get full text
    Article
  13. 1433

    Biological Activity of Metal Complexes of Sulfamethoxazole and Its Derivatives: A Literature Review by Laith Jumaah Al-Gburi, Taghreed H. Al-Noor, Eid Ahmed Abdalrazaq

    Published 2025-01-01
    “…One of the essential features that make Schiff base more desirable when used for coordination complexation is that it possesses the ability to coordinate with the metal ions via forming chelating; ring makes them very effective in clinical and analytical applications and represent the latest and most promising studies and relate to synthesizing organic derivatives of sulfamethoxazole and their drug-metal complexes, as well as the biological activity associated with these complexes. …”
    Get full text
    Article
  14. 1434

    Hydrochemical Characteristics and Genetic Analysis of Shallow High-Fluorine Groundwater in Fuyang River Basin by Zhiwei Zhai, Chuanda Zhang, Tiansong Tang, Chunyan Zhang, Xing Bao, Kunchao Li, Bo Han

    Published 2022-01-01
    “…The main mineral sources of hydrochemical ions are salt rock, carbonate rock, sulfate rock, and silicate rock. …”
    Get full text
    Article
  15. 1435

    Preparation of Magnetic Nanoparticles via a Chemically Induced Transition: Presence/Absence of Magnetic Transition on the Treatment Solution Used by Yanshuang Chen, Qin Chen, Hong Mao, Yueqiang Lin, Jian Li

    Published 2016-01-01
    “…The transition was independent of the acid radical ions in the treatment solution, but the coating on the magnetic crystallites varied with changes in the acid radical ion.…”
    Get full text
    Article
  16. 1436

    Impacts of Groundwater Recharge from Rubber Dams on the Hydrogeological Environment in Luoyang Basin, China by Shaogang Dong, Baiwei Liu, Huamin Liu, Shidong Wang, Lixin Wang

    Published 2014-01-01
    “…TDS increased because of groundwater evaporation and some soluble ions entered the groundwater in the unsaturated zone. …”
    Get full text
    Article
  17. 1437

    Locally activated semisynthetic fluorescent biosensors for imaging cellular biochemistry by Coïs, Justine, Dumat, Blaise

    Published 2025-01-01
    “…Biosensors based on fluorescent proteins are widely used as genetically encoded indicators due to their capacity to target various biological analytes (metal ions, reactive oxygen species, biomolecules, etc.) within cells with precise localization. …”
    Get full text
    Article
  18. 1438

    Analysis of Treated Wastewater Produced from Al-Lajoun Wastewater Treatment Plant, Jordan by Waleed Manasreh, Atef S. Alzaydien, Malahmeh .M

    Published 2009-01-01
    “…The study showed that the treated wastewater was low in its heavy metals contents during both winter and summer seasons, which was attributed to high pH value enhancing their precipitations. Some of the major ions such as Cl-, Na+, HCO33-, Mg2+ in addition to biological oxygen demand and chemical oxygen demand were higher than the recommended Jordanian guidelines for drained water in valleys. …”
    Get full text
    Article
  19. 1439

    Preparation and Bioactivity Properties of a Novel Composite Membrane of Fructose Mediated β-Tricalcium Pyrophosphate/(Polyethylene Glycol/Chitosan) for Guided Tissue Regeneration by Jian-Wen Wang, Min-Hsiung Hon, Yi-Ming Kuo, Mei-Hui Chung

    Published 2015-01-01
    “…Most importantly, the release of calcium ions and glucosamine from the composite membranes was proved to increase the cell proliferation of NIH3T3. …”
    Get full text
    Article
  20. 1440

    Protection of Petroleum Pipeline Carbon Steel Alloys with New Modified Core-Shell Magnetite Nanogel against Corrosion in Acidic Medium by Gamal A. El Mahdy, Ayman M. Atta, Amro K. F. Dyab, Hamad A. Al-Lohedan

    Published 2013-01-01
    “…New method was used to prepare magnetite nanoparticle based on reduction of Fe(III) ions with potassium iodide to produce Fe3O4 nanoparticle. …”
    Get full text
    Article