Showing 701 - 720 results of 1,341 for search '"column"', query time: 0.05s Refine Results
  1. 701
  2. 702

    Procoagulant constituents from Cordyceps militaris by Juanjuan Zhang, Wei Zhang, Zhenhua Yin, Changqin Li, Wenyi Kang

    Published 2018-12-01
    “…Cordyceps militaris, belongs to Clavicipitaceae family, was investigated for its chemical compounds, and six compounds were isolated and purified by silica gel column chromatography, Sephadex LH-20 and recrystallization, and their structures were elucidated by spectral techniques and physicochemical properties as ergosterol (1), adenosine (2), cordycepin (3), ergosterol peroxide (4), tetracosanoic acid 2,3-dihydroxypropylester (5), mannitol (6). …”
    Get full text
    Article
  3. 703

    Enhanced Antibacterial Activity of Lactoperoxidase–Thiocyanate–Hydrogen Peroxide System in Reduced-Lactose Milk Whey by Ahmad Ni’matullah Al-Baarri, Novia Tri Damayanti, Anang Mohamad Legowo, İsmail Hakkı Tekiner, Shigeru Hayakawa

    Published 2019-01-01
    “…Lactoperoxidase was purified from bovine whey using the SP Sepharose Big Beads Column. The enzymatic reaction involving lactoperoxidase, thiocyanate, and hydrogen peroxide was used to generate the antibacterial agent from LPOS. …”
    Get full text
    Article
  4. 704

    Trace Metal Detection in Aqueous Reservoirs Using Stilbene Intercalated Layered Rare-Earth Hydroxide Tablets by Solomon Omwoma

    Published 2020-01-01
    “…The tablets were placed in a water column having different concentrations of Pb2+ and Cu2+ ions, and the water was allowed to flow for 45 minutes at a flow rate of 100 ml/s. …”
    Get full text
    Article
  5. 705

    Determination of Mycotoxin Contamination Levels in Rice and Dietary Exposure Assessment by Jose Troestch, Stephany Reyes, Aracelly Vega

    Published 2022-01-01
    “…A total of 23 samples were extracted using immunoaffinity columns and analyzed by high-performance liquid chromatography (HPLC) with a fluorescence detector (FLD) and post-column photochemical derivatization. …”
    Get full text
    Article
  6. 706

    Effect of Wrapping on Post-Tensioned Beams Strengthened with Natural Sisal and Jute FRP Using Finite Element Analysis by D. P. Archana, H. N. Jagannatha Reddy, R. Prabhakar, M. U. Aswath, Basavaraju Paruti

    Published 2023-01-01
    “…Many available reinforced concrete buildings across the globe are in desperate need of rehabilitation, repair, or replacement owing to degradation caused by a variety of reasons such as corrosion, lack of detailing, and failure of beam-column bonding, among others. In the construction sector, fibre reinforced polymer (FRP) composites have been recognized as a potential option for repairing and increasing the strength of existing structures. …”
    Get full text
    Article
  7. 707

    Human Development XI: The Structure of the Cerebral Cortex. Are There Really Modules in the Brain? by Tyge Dahl Hermansen, Søren Ventegodt, Isack Kandel

    Published 2007-01-01
    “…We discuss the use of the limited genetic information, the corticocortical afferents termination and the columns in primary sensory cortex as arguments for the existence of the cortex-module. …”
    Get full text
    Article
  8. 708

    The Performance of Resistance Progressive Collapse Analysis for High-Rise Frame-Shear Structure Based on OpenSees by Qiang Zhang, Yaozhuang Li

    Published 2017-01-01
    “…Analysis results showed that, at initial failure of frame column, the residual shear wall element can well complete the internal force redistribution of structure to provide alternative force transmission path, thereby forming antiprogressive collapse force. …”
    Get full text
    Article
  9. 709

    Simultaneous Determination of Paracetamol, Chlorzoxazone and Diclofenac Sodium in Tablet Dosage Form by High Performance Liquid Chromatography by Madhukar A. Badgujar, Satish G. Pingale, Kiran V. Mangaonkar

    Published 2011-01-01
    “…The chromatographic separation was performed on an inertsil C18 column (250 mm × 4.6 mm i.d 5 µm particle size). Mobile phase consisted of a mixture of phosphate buffer (0.02 M KH2PO4, pH adjusted to 3.7 using orthophosphoric acid), acetonitrile and methanol in the ratio of (25: 25: 50) at a flow rate of 1.0 mL/min. …”
    Get full text
    Article
  10. 710

    Comparative Adsorption of Porcine Reproductive and Respiratory Syndrome Virus Strains to Minnesota Soils by Joaquin Alvarez-Norambuena, Angie Quinonez-Munoz, Cesar A. Corzo, Sagar M. Goyal

    Published 2025-01-01
    “…An experimental soil column model was used to mimic field conditions. Three PRRSV-2 strains were tested across thirteen Minnesota soils with different physical and chemical characteristics. …”
    Get full text
    Article
  11. 711

    Numerical study on the cyclic behavior of the stiffened steel plate shear walls containing sandwich panels with corrugated core by Shuna Zhang, Peng Zhang, Shaopeng Wang, Amir Ghiasvand

    Published 2025-02-01
    “…The SSW contains three critical elements; beam, column, and infill plate. These elements have a significant effect on the seismic performance of the SSWs. …”
    Get full text
    Article
  12. 712

    Application of HPLC with ELSD Detection for the Assessment of Azelaic Acid Impurities in Liposomal Formulation by Stanislaw Han, Katarzyna Karlowicz-Bodalska, Dorota Szura, Lukasz Ozimek, Witold Musial

    Published 2013-01-01
    “…In the course of research and development of a new pharmaceutical formulation of azelaic acid in the liposomal form, we developed a rapid and accurate method for the detection of impurities using high-performance liquid chromatography. A chromatographic column from Merck (Purospher Star RP C18, 250–4 mm (5 μm) was used in the assay, and the mobile phase gradient consisted of three phases: A—methanol : water (5 : 95) + 1.5% (v/v) acetic acid; B—water : methanol (5 : 95) + 1.5% (v/v) acetic acid; and C—chloroform. …”
    Get full text
    Article
  13. 713

    Purification and characterization of arginine deiminase from Klebsiella pneumoniae by Taif Hussien Alameedy, Mohammed Abdullah Jebor

    Published 2024-01-01
    “…Materials and Methods: Precipitation with 70% saturated ammonium sulphate, ion exchange chromatography with a DEAE-cellulose column, and gel filtration chromatography throughout sepharose-6B were the three steps taken to isolate the arginine-degrading enzyme from a K. pneumoniae clinical isolate, which is a potent anticancer source. …”
    Get full text
    Article
  14. 714

    Identification of Multimodel LPV Models with Asymmetric Gaussian Weighting Function by Jie You, Jiangang Lu, Yucai Zhu, Qinmin Yang, Jianhua Zhu, Jiangyin Huang, Youxian Sun

    Published 2013-01-01
    “…It has been demonstrated through simulations with a high purity distillation column that the identified models provide more satisfactory approximation. …”
    Get full text
    Article
  15. 715

    A GREEN AND EFFICIENT HPLC-DAD METHOD FOR THE ANALYSIS OF PHENOLIC COMPOUNDS IN ORANGE WASTE by Mirella T. Ferreira Ranzeti, Gabriela Cremasco, Daniel Rinaldo

    Published 2025-01-01
    “…The optimized conditions were: initial ethanol percentage = 20%, final ethanol percentage = 75.3%, analysis temperature = 40 °C, percentage of acetic acid in water = 0.4%, flow rate = 0.5 mL min-1, time = 35 min, and C-18 column (250 × 4.6 mm). The method effectively separated and allowed the identification of phenolic acids, vitexin, and hesperidin, while adhering to green chemistry principles, making it a safer and more environmentally friendly alternative to traditional methods, complying with principles 2, 4, 5, 6, 7, 8, 9, 10, 11 and 12 of the Green Analytical Chemistry (GAC), bringing a low cost of analysis, with little energy expenditure, low toxic solvents from renewable sources, little waste generation and safety in operation.…”
    Get full text
    Article
  16. 716

    Stereospecific Assay of (R)- and (S)-Goitrin in Commercial Formulation of Radix Isatidis by Reversed Phase High-Performance Liquid Chromatography by Lixing Nie, Zhong Dai, Shuangcheng Ma

    Published 2017-01-01
    “…Optimum separation was obtained on an S-Chiral A column (4.6 mm × 250 mm, 5 μm) using methanol/water (30 : 70, v/v) as the mobile phase. …”
    Get full text
    Article
  17. 717

    Rapid Simultaneous Determination of 43 Pesticide Residues in Schizonepeta tenuifolia by Gas Chromatography Mass Spectrometry by Guo-wei Zhou, Yong-mei Li, Chun-ni Liu, Hong-min Ren, Hai-ying Li

    Published 2021-01-01
    “…Selected pesticides were identified using DB-35MS capillary column and detected by gas chromatography mass spectrometry. …”
    Get full text
    Article
  18. 718

    Simultaneous Determination of Paracetamol, Acetyl Salicylic Acid, Mefenamic Acid and Cetirizine Dihydrochloride in the Pharmaceutical Dosage Form by Freddy H. Havaldar, Dharmendra L. Vairal

    Published 2010-01-01
    “…Separation was achieved with a Nucleodur 100 C–18 column having 250 × 4.6 mm i.d. with 5 µm particle size and disodium hydrogen phosphate buffer adjusted to pH 6.5 using diluted orthophosphoric acid and acetonitrile (60:40 v∕v) as eluent at a constant flow rate of 1.0 mL per min. …”
    Get full text
    Article
  19. 719

    Roof Control Technology of Mining Roadway under the Influence of Advanced Supporting Pressure by Zhiyuan Jin, Youlin Xu, Tao Peng, Linsheng Gao

    Published 2021-01-01
    “…The model calculates that at least 3 single hydraulic props and at least 2 material lanes are required for the transportation lane; through the numerical simulation method, a reasonable roof control plan for the stoping roadway in the advance support section is determined, that is, 0∼ in front of the material lane. The one-beam three-column method is adopted within 30 m, and the row spacing is 0.8 m; the one-beam four-pillar method is adopted within 0–20 m of the working front of the transportation lane; and the one-beam three-pillar method is adopted within 20–30 m, and the row spacing is 0.8 m. …”
    Get full text
    Article
  20. 720

    Cyclic and Explosive Evaluation of New Proposed Steel Joint by Iman Faridmehr, Yusof Ahmad, Mahmood Md. Tahir, Mohd Hanim Osman

    Published 2016-01-01
    “…The behaviour of a novel steel beam-to-column connection, the saddlebag, subjected to cyclic and progressive collapse, was evaluated in this paper. …”
    Get full text
    Article