Showing 1,021 - 1,040 results of 1,341 for search '"column"', query time: 0.08s Refine Results
  1. 1021

    Quantitative analysis and pharmacokinetic study of a novel diarylurea EGFR inhibitor (ZCJ14) in rat plasma using a validated LC-MS/MS method by Zuo Sai-Jie, Cheng Xiao-Liang, Liu Dong-Zheng, Feng Wei-Yi, Cao Yong-Xiao, Zhang San-Qi

    Published 2021-09-01
    “…Chromatographic separation of ZCJ14 and internal standard (IS) [1-phenyl-3-(4-((3-(trifluoromethyl)phenyl)amino) quinazolin-6-yl)urea] was accomplished by gradient elution using the Kromasil C18 column. The selected reaction monitoring transitions were performed at m/z 507.24→436.18 and 424.13→330.96 for ZCJ14 and IS, resp. …”
    Get full text
    Article
  2. 1022

    Purification and Characterization of Hemagglutinating Proteins from Poker-Chip Venus (Meretrix lusoria) and Corbicula Clam (Corbicula fluminea) by Chin-Fu Cheng, Shao-Wen Hung, Yung-Chung Chang, Ming-Hui Chen, Chen-Hsuan Chang, Li-Tse Tsou, Ching-Yu Tu, Yu-Hsing Lin, Pan-Chen Liu, Shiun-Long Lin, Way-Shyan Wang

    Published 2012-01-01
    “…Hemagglutinating proteins (HAPs) were purified from Poker-chip Venus (Meretrix lusoria) and Corbicula clam (Corbicula fluminea) using gel-filtration chromatography on a Sephacryl S-300 column. The molecular weights of the HAPs obtained from Poker-chip Venus and Corbicula clam were 358 kDa and 380 kDa, respectively. …”
    Get full text
    Article
  3. 1023

    PMA Induces Vaccine Adjuvant Activity by the Modulation of TLR Signaling Pathway by Dool-Ri Oh, Hu Won Kang, Jong-Ro Kim, Sunoh Kim, In-Kyu Park, Joon Haeng Rhee, Won Keun Oh, Young Ran Kim

    Published 2014-01-01
    “…Phorbol 12-myristate 13-acetate (PMA) was isolated as an active component of Croton tiglium by activity-guided fractionation, column chromatography, HPLC, NMR, and MS. PMA at a range of nM induced PKC-dependent NF-κB activation and IL-8 production in both TLR5− and TLR5+ assay systems. …”
    Get full text
    Article
  4. 1024

    Efficient diagnosis of diabetes mellitus using an improved ensemble method by Blessing Oluwatobi Olorunfemi, Adewale Opeoluwa Ogunde, Ahmad Almogren, Abidemi Emmanuel Adeniyi, Sunday Adeola Ajagbe, Salil Bharany, Ayman Altameem, Ateeq Ur Rehman, Asif Mehmood, Habib Hamam

    Published 2025-01-01
    “…Data preprocessing included cleaning the dataset by replacing missing values with column means and selecting highly correlated features using forward and backward selection methods. …”
    Get full text
    Article
  5. 1025

    Development and Validation of a LC/MS/MS Method for the Determination of Duloxetine in Human Plasma and Its Application to Pharmacokinetic Study by D. Chandrapal Reddy, A. T. Bapuji, V. Surayanarayana Rao, V. Himabindu, D. Rama Raju, Syed Syedba, H. L. V. Ravikiran

    Published 2012-01-01
    “…Analyte and IS were extracted from human plasma by liquid-liquid extraction using MTBE-n Hexane (80:20).The eluted samples were chromatographed on X-terra RP8 (50 mmx4.6 mm, 5 μm particle size) column by using mixture of 30 mM ammonium formate (pH-5.0±0.05) and acetonitrile as an isocratic mobile phase at a flow rate of 0.40 mL/min and analyzed by mass spectrometer in the multiple reaction monitoring (MRM) using the respective m/z 298.08→154.0 for duloxetine and 310.02→148.07 for IS. …”
    Get full text
    Article
  6. 1026

    A wave-resolving two-dimensional vertical Lagrangian approach to model microplastic transport in nearshore waters based on TrackMPD 3.0 by I. Jalón-Rojas, D. Sous, D. Sous, V. Marieu

    Published 2025-01-01
    “…</a> (<a href="#bib1.bibx19">2020</a>)</span> were simulated to validate the model's ability to reproduce the transport of diverse microplastics (varying in density, shape, and size) along a comprehensive beach profile, capturing the whole water column. Our results underscore the robustness of the proposed model, showing good agreement with experimental data. …”
    Get full text
    Article
  7. 1027

    Effects of the Salt-Processing Method on the Pharmacokinetics and Tissue Distribution of Orally Administered Morinda officinalis How. Extract by Ji Shi, Xiaohang Ren, Jia Wang, Xiaofeng Wei, Bonan Liu, Tianzhu Jia

    Published 2020-01-01
    “…Separation was achieved on an Acquity UPLC HSS T3 column (100 mm × 2.1 mm, 1.8 μm, Waters). Formic acid aqueous solution (0.1%; A) and acetonitrile (containing 0.1% formic acid; B) were used as the mobile phase system with a programmed elution of 0∼5 min with 70% A and then 5∼7 min with 60% A. …”
    Get full text
    Article
  8. 1028

    Impacts of Strategic Mobility Restrictions Policies during 2020 COVID-19 Outbreak on Brazil’s Regional Air Quality by Anderson P. Rudke, Daniela S. de Almeida, Ronaldo A. Alves, Alexandra Beal, Leila D. Martins, Jorge A. Martins, Ricardo Hallak, Taciana T. de Almeida Albuquerque

    Published 2022-03-01
    “…In addition, spatial assessment of changes was evaluated using tropospheric NO2 column densities from the TROPOMI. Although there was no national regulation regarding mobility restrictions, the results show that the reduction in urban mobility was similar for all the analyzed states. …”
    Get full text
    Article
  9. 1029

    Molecular Detection of Panton Valentine Leukocidin Toxin in Clinical Isolates of Staphylococcus aureus from Kiambu County, Kenya by Sani Iliya, Jonathan Mwangi, Ronald Maathai, Mary Muriuki, Christopher Wainaina

    Published 2020-01-01
    “…DNA was isolated from freshly harvested bacterial cultures by spin column using Geno Type DNA isolation kit. The detection of PVL toxins was performed by amplification of genomic DNA and by reverse hybridization that identifies PVL genes using Geno Type MRSA kit. …”
    Get full text
    Article
  10. 1030

    Dye Ligand Epoxide Chitosan/Alginate: A Potential New Stationary Phase for Human IgG Purification by Diego R. Gondim, Luana P. Lima, Maria C. M. de Souza, Igor T. L. Bresolin, Wellington S. Adriano, Diana C. S. Azevedo, Ivanildo J. Silva

    Published 2012-09-01
    “…Human serum diluted ten times was also injected into the column. An enrichment of IgG in the elution fraction with traces of human serum albumin was observed. …”
    Get full text
    Article
  11. 1031

    A Hysteresis Model Incorporating Varying Pinching Stiffness and Spread for Enhanced Structural Damage Simulation by Mohammad Rabiepour, Cong Zhou, James Geoffrey Chase

    Published 2025-01-01
    “…Model validation uses experimental data from three RC column tests with different failure modes and hysteresis loop shapes, resulting in an ~0.98 correlation coefficient between the experimental and simulated responses. …”
    Get full text
    Article
  12. 1032

    Research and Application of Interferogram Acquisition Method for Ground-Based Fourier-Transform Infrared Greenhouse Gas Spectrometer by Yasong Deng, Liang Xu, Ling Jin, Yongfeng Sun, Lei Zhang, Jianguo Liu, Wenqing Liu

    Published 2025-01-01
    “…Finally, in the ground-based Fourier-transform infrared greenhouse-gas spectrometer for experimental applications, the experiment shows that under the same measurement conditions, the carbon dioxide column concentration-measurement accuracy is improved by 2.096 times, and the dual-channel interferometric data acquisition method can significantly enhance the data retrieval accuracy.…”
    Get full text
    Article
  13. 1033

    A Brand-New Algorithm for Mapping Algal Biomass in Lakes by Zhengyang Yu, Ronghua Ma, Minqi Hu, Kun Xue, Zhigang Cao, Junfeng Xiong

    Published 2025-01-01
    “…Column-integrated algal biomass has been recognized as a more logical proxy for the evaluation of lake eutrophication. …”
    Get full text
    Article
  14. 1034

    Development of a Robust UPLC Method for Simultaneous Determination of a Novel Combination of Sofosbuvir and Daclatasvir in Human Plasma: Clinical Application to Therapeutic Drug Mo... by Naser F. Al-Tannak, Ahmed Hemdan, Maya S. Eissa

    Published 2018-01-01
    “…The adopted chromatographic separation was achieved on Waters® Acquity UPLC BEH C18 column (2.1 × 50 mm, 1.7 µm) as a stationary phase using isocratic elution using a mobile phase system of ammonium formate (pH 3.5; 5 mM) and acetonitrile (60:40 v/v) pumped at a flow rate of 0.2 mL.min−1. …”
    Get full text
    Article
  15. 1035

    Treatment of small scale gold mining wastewater using pilot-scale sedimentation and Cocopeat filter bed system by J. Samaniego, M.A.N. Tanchuling

    Published 2019-10-01
    “…All adsorbed heavy metals accumulated in the upper 25 cm of the Cocopeat column in the filter bed. Measured heavy metal concentrations in Cocopeat suggest that the adsorbent was not saturated and further application of small-scale gold mining wastewater is recommended to determine its useful life.…”
    Get full text
    Article
  16. 1036

    Un plomb inscrit de Saint-Couat-d’Aude (Aude) : des pérégrins sur le territoire de Narbonne by Julien Aliquot, Michel Feugère

    Published 2021-12-01
    “…Its most recent and best-preserved text is a two-column accounting list, combining a series of male anthroponyms with an abbreviated term beginning with a P (most likely for the word pondus) and presenting numerical indications. …”
    Get full text
    Article
  17. 1037
  18. 1038

    Assessing the salinization mechanisms of coastal brackish springs by Sanz, Esteban, Carrera, Jesús, Ayora, Carlos, Barón, Alfredo, González, Concha

    Published 2023-03-01
    “…They allow us to show that the spring salinity is mostly controlled by the weight of the water column flowing towards the spring mouth (for low flow rates) and by energy dissipation (for high flow rates). …”
    Get full text
    Article
  19. 1039

    Gas Seepage along the Edge of the Aquitaine Shelf (France): Origin and Local Fluxes by Livio Ruffine, Jean-Pierre Donval, Claire Croguennec, Laurent Bignon, Dominique Birot, Anne Battani, Germain Bayon, Jean-Claude Caprais, Nadine Lantéri, Denis Levaché, Stéphanie Dupré

    Published 2017-01-01
    “…Overall, three sites were investigated to determine the nature and the origin of the gases bubbling at the seafloor and forming acoustic plumes into the water column, as this was the question raised from the first geologic study of the area. …”
    Get full text
    Article
  20. 1040

    Quantitative analysis of quaternary mixtures in topical creams using cutting-edge HPLC technique: environmental impact and sigma methodology by Maha A. Alwaili, Osama A. Mahmoud, Samar M. Mahgoub, Manal A. Almalki, Hassan A. Rudayni, Ahmed A. Allam, Mustafa Ahmed Abdel-Reheim, Osama A. Mohammed, Mahmoud A. Mohamed

    Published 2025-12-01
    “…The method uses a photodiode array PDA detector at 254 nm and symmetry column (C18, 150 mm × 4.6 mm, 5μm) in an isocratic process with a mobile phase of 0.1% orthophosphoric acid and methanol in a (45:55, v/v) adjusted pH 6.5 with 0.2% triethylamine solution at a flow rate of 1.5 mL/min, separation was accomplished in RP-HPLC. …”
    Get full text
    Article