Showing 941 - 960 results of 1,341 for search '"column"', query time: 0.05s Refine Results
  1. 941

    Development and Validation of RP-HPLC Method for Simultaneous Estimation of Ramipril, Aspirin and Atorvastatin in Pharmaceutical Preparations by Rajesh Sharma, Sunil Khanna, Ganesh P. Mishra

    Published 2012-01-01
    “…Chromatography was performed on a 25cm×4.6 mm i.d, 5µm particle, C18 column with Mixture of (A) acetonitrile methanol (65:35) and (B) 10 mM sodium dihydrogen phosphate monohydrate (NaH2PO4.H2O) buffer and mixture of A:B (60:40 v/v) adjusted to pH 3.0 with o-phosphoric acid (5%v/v) was used as a mobile phase at a flow rate of 1.5 ml min-1. …”
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  2. 942

    Modification of activated carbon prepared from black liquor with the copper ion and its application to adsorption phenol by Amir Mohammadpour, Ahmad Hallajisani, Mohammad Azadfallah, Yahya Hamzeh

    Published 2024-12-01
    “…The study of the adsorbent saturation in the column system showed that AC/Cu is able to absorb more than 95% of the phenol solution with a concentration of 100 ppm up to a volume of 2700 mL. …”
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  3. 943

    Liquid Chromatography/Quadrupole Time-of-Flight Mass Spectrometry for Identification of In Vitro and In Vivo Metabolites of Bornyl Gallate in Rats by Wei Lan, Liujiao Bian, Xinfeng Zhao, Pu Jia, Xue Meng, Yizhen Wu, Shixiang Wang, Sha Liao, Jie Yu, Xiaohui Zheng

    Published 2013-01-01
    “…Chromatographic separation was performed on an Agilent TC-C18 column (250 mm × 4.6 mm, 5 μm) with gradient elution using methanol and water containing 0.2% (V : V) formic acid as the mobile phase. …”
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  4. 944

    Posterior Nutcracker Syndrome with Left Renal Vein Duplication: A Rare Cause of Haematuria in a 12-Year-Old Boy by J. Preza Fernandes, Rui Amorim, M. J. Gomes, V. Oliveira, A. Reis, J. Ribeiro-Castro

    Published 2012-01-01
    “…The abdominopelvic computer tomography (apCT) revealed left renal vein (LRV) duplication with a dilated retroaortic branch, entrapped between the aorta and the vertebral column, promoting the renal nutcracker syndrome. The patient was initially hospitalized and managed with oral iron supplements and continuous saline bladder irrigation, not requiring additional treatment. …”
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  5. 945

    Separating and quantifying facility-level methane emissions with overlapping plumes for spaceborne methane monitoring by Y. Pang, Y. Pang, L. Tian, D. Hu, S. Gao, G. Liu, G. Liu

    Published 2025-01-01
    “…However, the prevailing quantification algorithms usually require the methane column plume from a solitary point source as input. …”
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  6. 946

    Perceptions on Diet and Dietary Modifications during Postpartum Period Aiming at Attenuating Progression of GDM to DM: A Qualitative Study of Mothers and Health Care Workers by Thamudi D. Sundarapperuma, Champa J. Wijesinghe, Priyadarshika Hettiarachchi, Sudharshani Wasalathanthri

    Published 2018-01-01
    “…Data were coded using the analytical framework, abstracted from transcripts, and summarized verbatim in Microsoft Excel in a matrix comprised of one row per participant and one column per code. Finally, the matrix was reviewed intensely and themes were generated. …”
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  7. 947

    A New HPLC-ELSD Method for Simultaneous Determination of N-Acetylglucosamine and N-Acetylgalactosamine in Dairy Foods by Ho Jin Kim, In Kyung Bae, Min Hee Jeong, Hye Jin Park, Jin Sil Jung, Jang Eok Kim

    Published 2015-01-01
    “…A rapid high performance liquid chromatographic method with evaporative light scattering detection (HPLC-ELSD), using a carbohydrate column, was developed for simultaneous determination of N-acetylglucosamine (GlcNAc) and N-acetylgalactosamine (GalNAc) in dairy foods. …”
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  8. 948

    Plasma amino acids spectrum as an important part of metabolomic pattern in patients with coronary artery disease and atrial fibrillation by I.O. Melnychuk, V.H. Lyzogub

    Published 2023-12-01
    “…Plasma AA level was detected by ion exchange liquid column chro­matography method. The plasma AA spectrum changes in CAD patients with AF paroxysm were investigated: some plasma AA (glutamate, glutamine, glycine, alanine, valine, tyrosine) and their combinations (Isoleucine+Leucine/Valine, Glycine+Serine, Glycine/Methionine, Phenylalanine/Tyrosine, Glutamine/Glutamate) had significant changes in second group patients and had correlations with cardiometabolic risk factors (glycine, valine, arginine, glutamate, isoleucine, alanine, methionine (p<0.05)). …”
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  9. 949

    Comparison evaluation of bacterial DNA extraction methods for improved molecular diagnostic accuracy of sepsis-causing pathogens in clinical whole blood samples by Byungjoon Na, Junghun Park, Sojin Park, Eunseon Park, Jimin Jang, Yu-Hee Kim, Jinyeop Lee, Hae-Sun Chung

    Published 2025-02-01
    “…Specifically, we compared one column-based DNA extraction method (QIAamp DNA Blood Mini Kit) with two magnetic bead-based DNA extraction methods (K-SL DNA Extraction Kit and GraBon™ system). …”
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  10. 950

    Translaminar synchronous neuronal activity is required for columnar synaptic strengthening in the mouse neocortex by John Vargas-Ortiz, Lin Lin, Vena K. Martinez, Rong-jian Liu, Rachel Babij, Zhe Ran S. Duan, Sam Wacks, Liyuan Sun, Amanda Wang, Sajida Khan, John Lee Soto-Vargas, Natalia V. De Marco García, Alicia Che

    Published 2025-02-01
    “…Our results demonstrate that translaminar layer 5-layer 2/3 connectivity plays an important role in synchronizing the developing barrel column to ensure the strengthening of layer 4-layer 2/3 connections, supporting the formation of the canonical cortical organization in barrel cortex.…”
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  11. 951

    Simultaneous Determination of Six Components in Beagle Dog Plasma by UPLC-MS/MS and Its Application to a Comparative Pharmacokinetic Study of Three Different Yuanhu Zhitong Prepara... by Yang Wang, Zhaorui Yin, Kai Zhang, Qingfen Meng, Jianli Guan, Guanwei Fan

    Published 2022-01-01
    “…Six analytes and one internal standard were separated on a Waters Acquity UPLC BEH C18 column (2.1 mm × 100 mm, 1.7 μm) by gradient elution with 0.1% formic acid-water and 0.1% formic acid-acetonitrile at a flow rate of 0.4 mL/min. …”
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  12. 952

    Deriving Full‐Coverage and Fine‐Scale XCO2 Across China Based on OCO‐2 Satellite Retrievals and CarbonTracker Output by Changpei He, Mingrui Ji, Tao Li, Xinyi Liu, Die Tang, Shifu Zhang, Yuzhou Luo, Michael L. Grieneisen, Zihang Zhou, Yu Zhan

    Published 2022-06-01
    “…Abstract Due to the coarse spatial resolution, the column‐averaged dry‐air mole fraction of CO2 (XCO2) data from the CarbonTracker may be inadequate to reflect the spatial heterogeneity of XCO2. …”
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  13. 953

    An analytical “quality by design” approach in RP-HPLC method development and validation for reliable and rapid estimation of irinotecan in an injectable formulation by Bhaskaran Navya Ajitkumar, Kumar Lalit, Reddy M Sreenivasa, Pai Girish K

    Published 2021-03-01
    “…RP-HPLC method was developed by applying Box-Behnken design with Hyper-Clone (Phenomenex®) C18 column (250 × 4.6 mm id, particle size 5 µm, ODS 130 Å) as a stationary phase. …”
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  14. 954

    Application of Monoclonal Antibodies against Bioactive Natural Products: Eastern Blotting and Preparation of Knockout Extract by Hiroyuki Tanaka, Osamu Morinaga, Takuhiro Uto, Shunsuke Fuji, Frederick Asare Aboagye, Nguyen Huu Tung, Xiao Wei Li, Waraporn Putalun, Yukihiro Shoyama

    Published 2012-01-01
    “…The immunoaffinity concentration of glycyrrhizin was determined by immunoaffinity column conjugated with antiglycyrrhizin MAb resulting in the glycyrrhizin-knockout extract, which was determined by the synergic effect with glycyrrhizin on NO production using the cell line.…”
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  15. 955

    Determination of Atenolol and Trimetazidine in Pharmaceutical Tablets and Human Urine Using a High Performance Liquid Chromatography-Photo Diode Array Detection Method by Walaa El-Alfy, Omnia A. Ismaiel, Magda Y. El-Mammli, Abdalla Shalaby

    Published 2019-01-01
    “…Analytes were separated on a Caltrex BI column (125× 4.0 mm, 5 μm) with 25mM potassium dihydrogen phosphate pH 3.3, methanol, and acetonitrile mobile phases. …”
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  16. 956

    Development of Simultaneous Analysis of Thirteen Bioactive Compounds in So-Cheong-Ryong-Tang Using UPLC-DAD by Ji Hyun Jeong, Seon Yu Lee, Bo Na Kim, Guk Yeo Lee, Seong Ho Ham

    Published 2018-01-01
    “…The chromatographic separation of the analytes was performed by an ACQUITY UPLC BEH C18 column (1.7 μM, 2.1 × 100 mm, Waters) with a mobile phase of water containing 0.01% (v/v) phosphoric acid and acetonitrile containing 0.01% (v/v) phosphoric acid. …”
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  17. 957

    Evaluation of the Effects of Astragalus membranaceus on the Pharmacokinetics of Pemetrexed Disodium and Gemcitabine in Rats by a Simple High-Performance Liquid Chromatography/UV Me... by Zixuan Chu, Zhiyuan Wang, Teng Liu, Shan Xiong, Bin Liu

    Published 2019-01-01
    “…Chromatographic separation was achieved on a C18 column using a gradient mode containing water (containing 20 mM NaH2PO4 and 0.1% FA) and methanol at a flow rate of 0.8 mL/min. …”
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  18. 958

    Determination of 8 Endogenous Alkaloid Components in Boletus Using Ultrahigh-Performance Liquid Chromatography Combined with Quadrupole-Time of Flight Mass Spectrometry by Junmei Ma, Qiang Li, Sufang Fan, Liangna He, Lei Sun, Di Wen, Hongwen Zhai, Yan Zhang

    Published 2020-01-01
    “…Boletus samples were extracted by 50% (V/V) methanol-water solution, then separated by CORTECS UPLC HILIC column using a binary solvent system by gradient elution. …”
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  19. 959

    Accounting for retarded weathering products in comparing methods for quantifying carbon dioxide removal in a short-term enhanced weathering study by Emily E. E. M. te Pas, Elliot Chang, Elliot Chang, Alison R. Marklein, Rob N. J. Comans, Mathilde Hagens

    Published 2025-02-01
    “…We aimed to contribute to the development of a standardized procedure for CDR quantification by complementing the results of a recently published soil column experiment, in which crushed olivine, wollastonite, and albite were added to soils, with total fusion ICP-OES analyses of base cation concentrations. …”
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  20. 960

    Characteristics and circulation of archipelagic waters with the three-dimensional hydrodynamic model approach by Suhaemi ., D.G. Bengen, C.P.H. Simanjuntak, A.F. Koropitan

    Published 2022-10-01
    “…The main objective of this study is to the pattern of hydrodynamic processes and investigate the features of the water mass in the Misool waters.METHODS: An acoustic doppler current profiler was deployed to measure currents every 15 minutes for ten water column layers. Investigation of waters characteristics was using Conductivity-Temperature-Depth equipment. …”
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