Showing 981 - 1,000 results of 1,341 for search '"column"', query time: 1.64s Refine Results
  1. 981

    Chemical composition by PTP 1B inhibitory activity guided analysis of a plant- based antidiabetic polyherbal drug used in ethnomedical systems by Pardon Mugari, Pamhidzai Dzomba, Stephen Nyoni

    Published 2025-01-01
    “…Methods Phytochemicals were isolated using Column and Thin Layer Chromatography, and antidiabetic activity was ascertained using an enzyme inhibition model. …”
    Get full text
    Article
  2. 982

    Convenient estimation of oxytetracycline and polymyxin B by a novel high-performance liquid chromatography method: development and validation by Tanu Chaudhary, Balak Das Kurmi, Dilpreet Singh

    Published 2023-02-01
    “…The flow rate was set at 0.9 mL/min and the column was maintained at room temperature. The RP-HPLC method was validated in terms of the calibration curve (CC), linearity and range, limit of detection (LOD), and limit of quantitation (LOQ), precision, robustness, and accuracy. …”
    Get full text
    Article
  3. 983

    An observation-based method to estimate carbonate system variations in the Labrador Sea by Claire Boteler, Michael Dowd, Eric C. J. Oliver, Douglas W. R. Wallace

    Published 2025-01-01
    “…These ranges describe the scale of rates that are occurring at various depths through the water column, though they do not change linearly with depth. …”
    Get full text
    Article
  4. 984

    An UPLC-MS/MS Method for Determination of Osimertinib in Rat Plasma: Application to Investigating the Effect of Ginsenoside Rg3 on the Pharmacokinetics of Osimertinib by Zhenzhen Ying, Jingyao Wei, Ruijuan Liu, Fang Zhao, Yifang Yu, Xin Tian

    Published 2020-01-01
    “…Separation was performed on a C18 (2.1 × 50 mm, 2.6 μm) column using a gradient elution of ammonium formate (10 mM) with 0.1% formic acid buffer (A) and ACN (B) at a flow rate of 0.2 mL/min. …”
    Get full text
    Article
  5. 985

    Efficient nonlinear function approximation in analog resistive crossbars for recurrent neural networks by Junyi Yang, Ruibin Mao, Mingrui Jiang, Yichuan Cheng, Pao-Sheng Vincent Sun, Shuai Dong, Giacomo Pedretti, Xia Sheng, Jim Ignowski, Haoliang Li, Can Li, Arindam Basu

    Published 2025-01-01
    “…Our approach uses an extra column of memristors to produce an appropriately pre-distorted ramp voltage such that the comparator output directly approximates the desired nonlinear function. …”
    Get full text
    Article
  6. 986

    Elevated Serum TNF-α Is Related to Obesity in Type 2 Diabetes Mellitus and Is Associated with Glycemic Control and Insulin Resistance by Hana Alzamil

    Published 2020-01-01
    “…HbA1c was measured by the affinity column method. Insulin, leptin, and TNF-α immunoassays were performed by the ELISA technique. …”
    Get full text
    Article
  7. 987

    Fish Larval Assemblage Associated with an Eastern Tropical Pacific Coral Reef: Seasonal and Interannual Variability by Juan José Gallego-Zerrato, Diego Fernando Córdoba-Rojas, Alan Giraldo

    Published 2024-12-01
    “…Overall, the assemblage of ichthyoplankton in this ETP coral reef system is sensitive to seasonal changes in water column hydrographic conditions.…”
    Get full text
    Article
  8. 988

    Compound-Specific Chlorine Isotope Analysis of Organochlorine Pesticides by Gas Chromatography-Negative Chemical Ionization Mass Spectrometry by Jing Zhang, Shenghua Liu, Jianye Gui, Xiaoya Li, Guochen Qi

    Published 2021-01-01
    “…An ionization energy of 90 eV and emission current of 90 μA were selected, and the precisions for eight organochlorine pesticides were in the range of 0.37‰–2.15‰ in single ion monitoring (SIM) mode when the injected amount was 0.50 mg L−1 (viz. 0.5 ng on column). Furthermore, when standards from Supelco and O2si were calibrated using standards from AccuStandard regarded as external isotope standard, chlorine isotope composition of α-hexachlorocyclohexane (α-HCH) and 2, 2-dichloro−1, 1-bis (4-chlorophenyl) ethylene (p, p′-DDE) in Supelco and O2si was confidently differentiated. …”
    Get full text
    Article
  9. 989

    Improving the combat capability of small police tactical groups by I. V. Vlasenko, I. P. Lykhyi, Ya. O. Slatin

    Published 2024-12-01
    “…Different types of combat formations are studied, in particular, such as line, column, wedge, rhombus, star, snake and others, which are basic tactical elements. …”
    Get full text
    Article
  10. 990

    The Characteristics of Thunderstorms and Their Lightning Activity on the Qinghai-Tibetan Plateau by Lei Hui, Yunjun Zhou, Zhitao Yan

    Published 2022-01-01
    “…Also, the higher total column liquid water content implies higher cloud water content in the warm-cloud region, and the higher cloud-base height implies a thicker warm-cloud region, which is not conducive to the occurrence of +CG lightning. (3) During high-value years (in this study, 2010, 2012, 2014, and 2016), the midlatitude (30°N–60°N) high pressure is strong and the plateau is situated at the intersection of the East Asian and South Asian monsoons and the cold air from the northwest, which strengthens the water vapor convergence and increases the frequency of thunderstorms. …”
    Get full text
    Article
  11. 991

    Plasma Activated Water Assisted Ultrasonic Extraction of Polysaccharides from Yellow Cauliflower and Its Hypoglycemic Activity by Han ZHANG, Cheng YANG, Guiyun CHEN, Shuhong LI, Ye CHEN

    Published 2025-02-01
    “…Then, the polysaccharides were purified using Sephadex G-100 dextran gel chromatographic column to obtain the pure polysaccharides from Hemerocallis citrina Baroni (HCP). …”
    Get full text
    Article
  12. 992
  13. 993

    Development and Validation of New High Performance Liquid Chromatography Analytical Technique For Separation of Diclofenac Sodium and Lidocaine Hydrochloride From Ampoule Injection by Mohammed Ali Salih, Dlivan Fattah Aziz, Salar Ibrahim Ali

    Published 2020-06-01
    “…The High-Performance Liquid Chromatography (HPLC) system was performed at 25 ° C; with appropriate chromatographic isolation accomplished through the use of Waters Symmetry SB-C7 column with a mobile phase containing 0.1 M sodium acetate and methanol (40:60) (v/v). …”
    Get full text
    Article
  14. 994

    Organic geochemical characteristics of Jurassic Yan ’an Formation source rock in Pengyang area of southwestern Ordos basin by Yaling Zhu, Yaling Zhu, Wenmei Tan, Lianfu Hai, Lianfu Hai, Caixia Mu, Caixia Mu, Kun Wang, Mengyuan Li

    Published 2025-02-01
    “…The low Ga/C30 hopane ratio of all the samples indicate the low salinity of the paleo-water column. The oil shale samples show much higher thermal maturity than the coals and mudstones as indicated by the higher C31 homohopane isomerization indexes, C32 homohopane isomerization indexes and the C29 sterane ααα20S/(S + R) ratios. …”
    Get full text
    Article
  15. 995

    Quantitative Assessment of Oysters’ Multiple Nitrogen Removal Pathways in a Subtropical Bay by Rongxin Liu, Qixing Ji, Zhengping Chen, Heng Zhang

    Published 2024-12-01
    “…Additionally, the oyster’s filter-feeding lifestyle exports nitrogen from the water column to the sediment, which can contribute to ~3% of the daily nitrogen input into the bay. …”
    Get full text
    Article
  16. 996

    Pattern of morphological and neurophysiologic changes in women with the syndrome of the descending perineum by Yu. A. Shelygin, A. Yu. Titov, A. B. Shekhter, A. A. Mudrov, O. M. Birukov, Yu. A. Dzhanayev, M. A. Voynov

    Published 2014-07-01
    “…In 88,8% of patients with DPS statistically significant disorder of electric conductivity by genitofemoral nerves, and in 70,4% - severe denervation of reflex arch from sacral region of vertebral column to anal sphincter was revealed.Conclusions. …”
    Get full text
    Article
  17. 997

    Comparative Pharmacokinetic Study of Three Major Bioactive Components in the Normal and Different Courses of Liver-Stagnation and Spleen-Deficiency Syndrome Depressive Rats after I... by Kaiwen Luo, Mengdie Wang, Xiangxiang Pan, Yadong Xing

    Published 2022-01-01
    “…Acetonitrile solution containing 0.1% acetic acid and methyl alcohol-water (50 : 50, v/v) was chosen as the protein precipitant and redissolve solution severally; a Shim-pack GISS C18 column coupled with 0.1% aqueous acetic acid-acetonitrile in gradient elution was employed to separate the mixed constituents in plasma. …”
    Get full text
    Article
  18. 998

    Potential Piperolactam A Isolated From Piper betle as Natural Inhibitors of Brucella Species Aminoacyl‐tRNA Synthetase for Livestock Infections: In Silico Approach by Diding Latipudin, Sefren Geiner Tumilaar, Yoga Ramdani, Dudi Dudi, Dikdik Kurnia

    Published 2024-11-01
    “…Piperolactam A was isolated from P. betle by column chromatography and characterized by UV, IR, 1D and 2D NMRs and MS, then tested for their inhibition mechanism against the enzymes threonyl‐tRNA synthetase, leucyl‐tRNA synthetase (LeuRS) and methionyl‐tRNA synthetase in silico. …”
    Get full text
    Article
  19. 999

    Dominant Modes of Tropospheric Ozone Variation over East Asia from GOME Observations by Yi Liu, Yuli Zhang, Yong Wang, Chuanxi Liu, Zhaonan Cai, Paul Konopka, Rolf Müller

    Published 2015-01-01
    “…The variation in tropospheric ozone over East Asia was analyzed using tropospheric column ozone data measured by the Global Ozone Monitoring Experiment (GOME) satellite. …”
    Get full text
    Article
  20. 1000

    Persistent Chronic Periprosthetic Joint Infection Treated with Three-Stage Revision Hip Arthroplasty: A Case Report by Nurul Ramadian, Jifaldi Afrian Maharaja Dinda Sedar

    Published 2023-04-01
    “…Four years ago, the patient had a right column femur fracture and was treated with THA. One year afterward, the implant was infected, and the hip was debrided. …”
    Get full text
    Article