Showing 221 - 240 results of 660 for search '"Ionization"', query time: 0.04s Refine Results
  1. 221

    Trends towards Effective Analysis of Fluorinated Compounds Using Inductively Coupled Plasma Mass Spectrometry (ICP-MS) by Ruth Lorivi Moirana, Thomas Kivevele, Josephine Mkunda, Kelvin Mtei, Revocatus Machunda

    Published 2021-01-01
    “…However, direct determination of fluorine using this technique is challenged by high ionization potential of fluorine together with spectral and nonspectral interferences which affect the quality of results. …”
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    Article
  2. 222

    High Levels of Perfluorooctane Sulfonate in Children at the Onset of Diabetes by Barbara Predieri, Lorenzo Iughetti, Cristiana Guerranti, Patrizia Bruzzi, Guido Perra, Silvano E. Focardi

    Published 2015-01-01
    “…Perfluorinated compounds were measured using high performance liquid chromatography with electrospray ionization tandem mass spectrometry. Nonparametric statistical analysis was performed. …”
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    Article
  3. 223

    A Japanese man with community-onset carbapenem-resistant Stutzerimonas nitrititolerans bacteremia and a sacral pressure ulcer: a case report by Kohei Hasegawa, Kenya Murata, Yuki Suzuki, Yoshihiko Ogawa, Hisakazu Yano

    Published 2025-01-01
    “…Matrix-assisted laser desorption ionization time-of-flight mass spectrometry was unable to identify the species, but 16 S ribosomal RNA gene sequencing identified the isolate NR5426 as S. nitrititolerans. …”
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    Article
  4. 224

    Radio Absorption in the Nightside Ionosphere of Mars During Solar Energetic Particle Events by Y. Harada, Y. Nakamura, B. Sánchez‐Cano, M. Lester, N. Terada, F. Leblanc

    Published 2023-12-01
    “…Here we investigate 3–5 MHz radio absorption in the nightside ionosphere of Mars caused by enhanced ionization at <100 km altitudes during solar energetic particle (SEP) events. …”
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    Article
  5. 225

    Dynamic Metabolic Footprinting Reveals the Key Components of Metabolic Network in Yeast Saccharomyces cerevisiae by Pramote Chumnanpuen, Michael Adsetts Edberg Hansen, Jørn Smedsgaard, Jens Nielsen

    Published 2014-01-01
    “…Both positive and negative electrospray ionization (ESI) modes were performed to obtain the complete information about the metabolite content. …”
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    Article
  6. 226

    Solar Origins of August 26, 2018 Geomagnetic Storm: Responses of the Interplanetary Medium and Equatorial/Low‐Latitude Ionosphere to the Storm by A. O. Akala, O. J. Oyedokun, P. O. Amaechi, K. G. Simi, A. Ogwala, O. A. Arowolo

    Published 2021-10-01
    “…For this reason, during the storm, at daytime, plasma densities of the Equatorial Ionization Anomaly (EIA) crests were localized within the inner flank of ±15° magnetic latitude strip. …”
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    Article
  7. 227

    Direct Analysis in Real Time by Mass Spectrometric Technique for Determining the Variation in Metabolite Profiles of Cinnamomum tamala Nees and Eberm Genotypes by Vineeta Singh, Atul Kumar Gupta, S. P. Singh, Anil Kumar

    Published 2012-01-01
    “…To characterize diversity in terms of metabolite profiles of Cinnamomum tamala Nees and Eberm genotypes, a newly emerging mass spectral ionization technique direct time in real time (DART) is very helpful. …”
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    Article
  8. 228

    Rethinking gold(II) porphyrins: an inherent wave distortion by Ghosh, Abhik, Conradie, Jeanet

    Published 2024-01-01
    “…Relativistic DFT (OLYP-D3/ZORA-STO-TZ2P) calculations predict low adiabatic ionization potentials for gold(II) porphyrins, from 4.60 eV for Au[TPP] (TPP $=$ tetraphenylporphyrin) to 5.34 eV for Au[TPFPP] [TPFPP $=$ tetrakis(pentafluorophenyl)porphyrin]. …”
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    Article
  9. 229

    Assessing the Ecological Risk of Polycyclic Aromatic Hydrocarbons in Sediments at Langkawi Island, Malaysia by Essam Nasher, Lee Yook Heng, Zuriati Zakaria, Salmijah Surif

    Published 2013-01-01
    “…A gas chromatography/flame ionization detector (GC/FID) was used to analyse the 18 PAHs. …”
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    Article
  10. 230

    Characterizing Auroral‐Zone Absorption Based on Global Kp and Regional Geomagnetic Hourly Range Indices by R. A. D. Fiori, L. Trichtchenko, C. Balch, E. Spanswick, S. Groleau

    Published 2020-12-01
    “…Abstract Increased ionization in the auroral oval leads to the absorption of high‐frequency radio waves in the auroral zone, or auroral absorption. …”
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    Article
  11. 231

    Comparative Study of Fluence Distribution and Point Dose Using Arc-check and Delta4 Phantoms by Sandeep Singh, Manindra Bhushan, Benoy Kumar Singh, Anuj Kumar, Dipesh, Abhay Kumar Singh, Munish Gairola, Vikram

    Published 2024-12-01
    “…In ArcCHECK, we used an external ionization chamber, cc13 (IBA dosimetry), whereas in Delta4,we employed a central diode detector to quantify point dosage. …”
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  12. 232
  13. 233

    Plastics pyrolysis: The impact of pyrolysis temperature on ethylene production and direct carbon dioxide footprint by Ruben J. de Korte, Melissa N. Dunkle, Ramon van Belzen, Alessandro Battistella, George Bellos

    Published 2025-03-01
    “…Pyrolysis coupled to gas chromatographic separation with mass spectrometric and flame ionization detection (Pyr-GC–MS/FID) was carried out at different temperatures, ranging from 600 to 800 °C on both low-density polyethylene (LDPE) pellets and linear low-density (LLDPE) pellets. …”
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    Article
  14. 234

    Petroleum Hydrocarbon Fingerprints of Water and Sediment Samples of Buffalo River Estuary in the Eastern Cape Province, South Africa by A. O. Adeniji, O. O. Okoh, A. I. Okoh

    Published 2017-01-01
    “…The extracts were subsequently analyzed by gas chromatography-flame ionization detection. Results showed that total petroleum hydrocarbon (TPH) varied from 7.65 to 477 μg/L in the water and 12.59 to 1,100 mg/kg in the sediments, with mean values of 146.50 ± 27.96 μg/L and 209.81 ± 63.82 mg/kg, respectively. …”
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    Article
  15. 235

    Rapid, Validated UPLC-MS/MS Method for Determination of Glibenclamide in Rat Plasma by Mohd Aftab Alam, Fahad Ibrahim Al-Jenoobi, Abdullah Mohammed Al-Mohizea

    Published 2018-01-01
    “…The mass spectrometer (triple-quadrupole) was operated in positive electrospray ionization mode. Sodium adducts [M + Na]+ of glibenclamide and IS were monitored in MRM mode. …”
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  16. 236

    The influence of the conduction band of BaCl2 on the thermal quenching of the Tm2+ 4f125d1→4f13 and 4f13→4f13 luminescence in orthorhombic BaCl2:Tm2+/3+ by M.P. Plokker, H.T. Hintzen

    Published 2025-02-01
    “…Room temperature photo-excitation into this level will then most likely result in thermal ionization effects that have an impact on the Tm2+ 4f125d1→4f13 and 4f13→4f13 luminescence and corresponding quantum yield.…”
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  17. 237

    Influence of Acute High Glucose on Protein Abundance Changes in Murine Glomerular Mesangial Cells by Michelle T. Barati, James C. Gould, Sarah A. Salyer, Susan Isaacs, Daniel W. Wilkey, Michael L. Merchant

    Published 2016-01-01
    “…Two-dimensional gel electrophoresis and matrix assisted laser desorption ionization time of flight mass spectrometry methods were used to identify protein expression patterns in immortalized rat mesangial cells altered by 2 h high glucose (HG) growth conditions as compared to isoosmotic/normal glucose control (NG⁎) conditions. …”
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  18. 238

    Direct Analysis in Real Time Mass Spectrometry for the Nondestructive Investigation of Conservation Treatments of Cultural Heritage by Marcello Manfredi, Elisa Robotti, Greg Bearman, Fenella France, Elettra Barberis, Pnina Shor, Emilio Marengo

    Published 2016-01-01
    “…We describe here the preliminary results on a quick and direct method for the nondestructive identification of the various interventions of parchment by means of direct analysis in real time (DART) ionization and high-resolution time-of-flight mass spectrometry and chemometrics. …”
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    Article
  19. 239

    Quantitation of α-Lactalbumin by Liquid Chromatography Tandem Mass Spectrometry in Medicinal Adjuvant Lactose by Rui Yan, Longmei Qu, Nan Luo, Yang Liu, Yu Liu, Li Li, Lijiang Chen

    Published 2014-01-01
    “…Mass spectrometric detection was achieved by a triple-quadrupole mass spectrometer equipped with an ESI interface operating in positive ionization mode. Quantitation was performed using selected ion monitoring of m/z 2364 for α-La. …”
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  20. 240

    Nebular and Nonthermal Radio Emissions for Young Stellar Populations with PARSEC v1.2s by Ikechukwu A. Obi, Pius N. Okeke, Bonaventure I. Okere

    Published 2025-01-01
    “…Using the photo-ionization code CLOUDY , we compute, at this same range of metallicities and limits, the intensities of some selected recombination and collisionally excited lines as a function of the age of the SSP. …”
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