Showing 261 - 280 results of 660 for search '"Ionization"', query time: 0.06s Refine Results
  1. 261

    Synthesis of N-Tetradecyl-1,10-phenathrolinium-Based New Salts for Biological Applications by Atakilt Abebe, Minaleshewa Atlabachew, Misganaw Liyew, Elsabet Ferede

    Published 2018-01-01
    “…The organic salts were investigated by spectrometry (1H, 13C, 19F NMR, X-ray photoelectron spectroscopy (XPS), UV-Vis, and matrix-assisted laser desorption/ionization mass spectroscopy (MALDI MS), CHNSBr elemental analysis, and thermal analysis (TGA and DSC). …”
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  2. 262

    The First Case of Candida auris Detection and Infection Control in a Pediatric Bone Marrow Transplant Child Patient in Guangxi, China by Yang L, Hong K, Luo J, Wang L, Zhang L, Jiang L, Peng Q, Guo J

    Published 2025-01-01
    “…C. auris was isolated from urine and identified using matrix-assisted laser desorption ionization–time of flight (MALDI-TOF) mass spectrometry, and the isolate belonged to clade I using sequencing. …”
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  3. 263

    Sulfonamide Residues: Honey Quality in the Czech Market by Sandra Dluhošová, Ivana Borkovcová, Lenka Kaniová, Lenka Vorlová

    Published 2018-01-01
    “…Chromatographic analysis was performed by ultraperformance liquid chromatography with tandem mass spectrometry (UPLC-MS/MS) using a triple quadrupole (QqQ) in positive ionization mode (ESI+). For separation, the mobile phase was a 0.05% aqueous solution of formic acid (A) and 0.05% formic acid in methanol (B) with a gradient elution of 0–3 minutes: 10% B; 3–3.6 min: 90% B; and 3.6–5 min: 10% B, flow rate 0.30 ml/min. …”
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  4. 264

    Supramolecular assembly of covalently modified Anderson-type polyoxometalates and crown ethers towards pseudo-rotaxane structures by Yi-An Yin, Wu-Ji Chen, Chun-Yan Liu, Meng-Meng Zhang, Chang-Gen Lin, Haralampos N. Miras, Yu-Fei Song

    Published 2025-03-01
    “…Seven new POM–crown ether complexes were prepared by varying the countercations and the modification mode of the Anderson clusters, and they were fully characterized by single-crystal X-ray diffraction, electrospray ionization time-of-flight mass spectrometry (ESI–TOF–MS), 1H nuclear magnetic resonance (NMR), etc. …”
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  5. 265

    Quantitative Analysis and Comparison of Flavonoids in Lotus Plumules of Four Representative Lotus Cultivars by Ting Liu, Mingzhi Zhu, Chunyun Zhang, Mingquan Guo

    Published 2017-01-01
    “…The flavonoids in lotus plumules from four representative lotus cultivars have been analyzed using high-performance liquid chromatography coupled with ultraviolet detector and electrospray ionization triple quadrupole mass spectrometry. By this means, sixteen flavonoids were successfully measured and compared among four cultivars. …”
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  6. 266

    Fabrication of Hollow Needle Tips with Nanoholes by Plasma Maskless Processing and Calculation and Detection of Complex Surface Edges by Zuocai Dai, Sha Zhou, Tongguang Yang, Yanpeng Wang

    Published 2022-01-01
    “…And the Ar reaction ionization potential (15.76 eV) and excitation potential (11.53 eV, 11.72 eV) are lower than the splitting potential (≥16 eV) of SF6. …”
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  7. 267

    A Rapid and Selective LC-MS/MS Method for Quantification of Quetiapine in Human Plasma and its Application to Pharmacokinetic Study on Indian Schizophrenia Patients by S. Ravinder, A. T. Bapuji, K. Mukkanti, M. Nagesh, H. L. V. Ravikiran

    Published 2011-01-01
    “…A rapid, robust and selective high pressure liquid chromatography–positive electrospray ionization tandem mass spectrometry method has been developed and validated for the quantification of quetiapine (QUE) in human plasma with K2EDTA using oxcarbazepine (IS) as an internal standard. …”
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  8. 268

    Tuning electronic structure and carrier transport properties through crystal orientation control in two-dimensional Dion-Jacobson phase perovskites by Byunggeol Kim, Jeehong Park, Donghee Kang, Na Eun Jung, Kitae Kim, Hongsun Ryu, Joon Ik Jang, Soohyung Park, Yeonjin Yi

    Published 2025-01-01
    “…Direct and inverse photoelectron spectroscopy reveals that the electronic structure of 4AMPPbI4, including its work function, ionization energy, and electron affinity, is orientation-dependent. …”
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  9. 269

    Severe Wound Infection with Photobacterium damselae ssp. damselae and Vibrio harveyi, following a Laceration Injury in Marine Environment: A Case Report and Review of the Literatur... by Jörg Hundenborn, Steffi Thurig, Mechthild Kommerell, Heike Haag, Oliver Nolte

    Published 2013-01-01
    “…Identification was achieved by use of Matrix-Assisted Laser Desorption-Ionization Time of Flight Mass Spectrometry (MALDI-TOF) and confirmed by 16S rDNA sequencing. …”
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  10. 270

    Efficient ZrO(NO3)2.2H2O Catalyzed Synthesis of 1H-Indazolo[1,2-b] phthalazine-1,6,11(13H)-triones and Electronic Properties Analyses, Vibrational Frequencies, NMR Chemical Shift A... by Forozan Piryaei, Nahid Shajari, Hooriye Yahyaei

    Published 2020-01-01
    “…Molecular properties such as the ionization potential (I), electron affinity (A), chemical hardness (η), electronic chemical potential (µ), and electrophilicity (ω) were investigated for the structures. …”
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  11. 271
  12. 272

    Signatures of Transient Overvoltages in Low Voltage Power Systems in Tea Factories and Their Implications on Insulation Deterioration and Allied Power Quality Issues by Earl A. R. L. Pannila, Mahesh Edirisinghe

    Published 2021-01-01
    “…Transients with a high rate of rise are likely to catalyze the degradation of the insulation quality and break down the insulating material through ionization. These steeply passing overvoltage stresses let partial discharges ensue, which can attack the insulation over long service. …”
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  13. 273

    GC-FID and Olfactometry-Assisted Assessment of Odors from Polymeric Foams under Normal and Repeated-Use Conditions by Alena Capíková, Daniela Tesařová, Josef Hlavaty, Adam Ekielski, Pawan Kumar Mishra

    Published 2020-01-01
    “…The samples were tested as per ČSN EN 13 725 (2005) and ISO 16000-6 (2011) criteria using GC-FID (gas chromatography-flame ionization detector) and olfactometry. The most unpleasant substance was found to be nonanal, with an average score of -4 (unpleasant). …”
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  14. 274

    Ionospheric Response to the Coronal Hole Activity of August 2020: A Global Multi‐Instrumental Overview by Waqar Younas, Majid Khan, C. Amory‐Mazaudier, P. O. Amaechi

    Published 2022-12-01
    “…This study has shown that although the storm of August 2020 was a minor one, the associated high speed solar wind streams emanating from a coronal hole resulted in drastic changes in ionospheric parameters including global electron content, in situ electron density and total electron content at the equatorial ionization anomaly and equatorial electric field.…”
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  15. 275

    Thermal Decarboxylation of Betacyanins in Red Beet Betalain-Rich Extract by Agnieszka Kumorkiewicz, Katarzyna Sutor, Boris Nemzer, Zbigniew Pietrzkowski, Sławomir Wybraniec

    Published 2020-02-01
    “…The first tentative structures formed by decarboxylation of the main pigment present in BRE, betanin and its diastereomer, were established by means of liquid chromatography coupled to diode array detection and electrospray ionization tandem mass spectrometry (LC-DAD-ESI-MS/MS). …”
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  16. 276

    Comparative Pharmacokinetic Studies of Four Ginsenosides in Rat Plasma by UPLC-MS/MS after Oral Administration of Panax quinquefolius-Acorus gramineus and Panax quinquefolius Extra... by Hailong Xie, Dongxue Wang, Wenjun Zhang, Xinjia Yan, Ying Zhao

    Published 2019-01-01
    “…Plasma specimens were purified by using the solid-phase extraction procedure, and separation was performed on Waters ACQUITY UPLC BEH C18 (100 mm × 2.1 mm, 1.7 μm) in multiple reaction monitoring (MRM) mode and negative electrospray ionization (ESI) mode. The established UPLC-MS/MS method showed good linear correlation (r ≥ 0.9978), stability (−11.93 to 12.11%), precision (RSD < 14.63%), and recovery (76.43%–95.20%). …”
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  17. 277

    Determination of 13 Aminoglycoside Residues in Milk by Weak Cation Exchange Solid Phase Extraction Coupled with Ultra-high Performance Liquid Chromatography-Tandem Mass Spectrometr... by HE Jinlin, SHEN Luying, SUN Ting, FU Jianwei, YAN Lijuan, XU Dunming

    Published 2025-02-01
    “…Detection was accomplished using an electrospray ionization source (EIS) in the positive ion mode, and quantification was carried out using a matrix-matched external standard method. …”
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  18. 278

    Transformer-Based Ionospheric Prediction and Explainability Analysis for Enhanced GNSS Positioning by He-Sheng Wang, Dah-Jing Jwo, Yu-Hsuan Lee

    Published 2024-12-01
    “…For VTEC prediction, the model successfully captured the diurnal variations of the Equatorial Ionization Anomaly (EIA), with differences between predicted and CORG VTEC values typically ranging from −6 to 6 TECU across the study region. …”
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  19. 279

    In Vitro and In Vivo Evaluation of Alexa Fluor 680-Bombesin[7–14]NH Peptide Conjugate, a High-Affinity Fluorescent Probe with High Selectivity for the Gastrin-Releasing Peptide Rec... by Lixin Ma, Ping Yu, Bhadrasetty Veerendra, Tammy L. Rold, Lauren Retzloff, Adam Prasanphanich, Gary Sieckman, Timothy J. Hoffman, Wynn A. Volkert, Charles J. Smith

    Published 2007-05-01
    “…This conjugate was purified by reversed-phase high-performance liquid chromatography and characterized by electrospray-ionization mass spectra. The fluorescent probe Alexa Fluor 680-G-G-G-BBN[7–14]NH 2 conjugate was prepared by reaction of Alexa Fluor 680 succinimidyl ester to H 2 N-G-G-G-BBN[7–14]NH 2 in dimethylformamide (DMF). …”
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  20. 280

    Determination of Platycodin D and Platycodin D3 in Rat Plasma Using Liquid Chromatography-Tandem Mass Spectrometry by Tae-Hyun Kim, Byung Eui Lee, Eun Joo Kim, Yong Seok Choi, Keun-Sung Lee, Hak Rim Kim, Hyung-Gun Kim

    Published 2014-01-01
    “…Quantitation was performed on a triple quadrupole mass spectrometer employing electrospray ionization and multiple reaction monitoring in positive ion mode. …”
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