Showing 881 - 900 results of 4,871 for search 'Background composition methods', query time: 0.12s Refine Results
  1. 881

    Investigation of the pharmacological activity of the tetrapeptide HAEЕ, zinc, and human serum albumin in a transgenic mouse model with tau protein overexpression (P301S) by Veronika S. Shmigerova, Yulia V. Stepenko, Alexandra A. Kurbatova, Nikita S. Zhunusov, Nikita S. Lyapkalov, Maria S. Sviridova, Tatyana V. Avtina, Arkadiy V. Nesterov, Alexander A. Popov, Natalia I. Nesterova, Mariia Iu. Goltsova, Tatiana G. Pokrovskaya

    Published 2025-03-01
    “…Materials and Methods: The experiment was performed on 60 homozygous mice of both sexes from a transgenic line with the overexpression of human mutant tau protein (P301S) and on 20 mice from a wild-type C57Bl/6J background line. …”
    Get full text
    Article
  2. 882

    Is lean mass quantity or quality the determinant of maximal fat oxidation capacity? The potential mediating role of cardiorespiratory fitness by Edgardo Opazo-Díaz, Juan Corral-Pérez, Alejandro Pérez-Bey, Alberto Marín-Galindo, Adrián Montes-de-Oca-García, María Rebollo-Ramos, Daniel Velázquez-Díaz, Cristina Casals, Jesús-Gustavo Ponce-González

    Published 2025-12-01
    “…The aim is to analyze the associations of lean-mass, muscle strength and quality with fat oxidation parameters in young adults, considering the mediating role of VO2max.Methods A cross-sectional observational study. Eighty-one adults (50 males, 31 females; age 22.8 ± 4.4, BMI 25.70 ± 5.75, lean-mass 54.19 ± 8.78, fat-mass 18.66 ± 11.32) Body composition assessment by bioimpedance determine fat and lean-mass. …”
    Get full text
    Article
  3. 883

    Development of a quality by design based eco-friendly RP-HPLC method for Ticagrelor and Aspirin by Shivani Jani, Ujashkumar Shah, Jayvadan Patel, Monika Dua

    Published 2025-06-01
    “…Objective: To design and validate a green, QbD-based RP-HPLC technique for simultaneous estimation of TICA and ASP in drug products. Methods: A 3-factor factorial design based on Response Surface Methodology (RSM) optimized important parameters: organic solvent composition, flow rate, and column temperature. …”
    Get full text
    Article
  4. 884

    Development and validation of a stability-indicating RP-HPLC method for tizanidine hydrochloride using DOE by Prasad Gunjal, Janki Patel

    Published 2025-06-01
    “…A full factorial design was implemented, optimizing mobile phase composition and flow rate as key method variables. Chromatographic separation was achieved using an Agilent Zorbax Bonus RP column (250 × 4.6 mm, 5 µm) with a mobile phase of 0.1% trifluoroacetic acid (TFA) and acetonitrile (65:35 v/v) at a 0.5 mL/min flow rate. …”
    Get full text
    Article
  5. 885

    Beyond BMI: a comprehensive approach to pediatric obesity assessment by Norma Cipatli Ayuzo Del Valle, Norma Cipatli Ayuzo Del Valle, Perla Pérez-Treviño, Ana Carla Cepeda Lopez, Ana Carla Cepeda Lopez, Regina M. Murillo-Torres, Elena Cristina Castillo, Diego Gutierrez-Cantu, Oscar Tamez-Rivera, Oscar Tamez-Rivera, Mayela Paez Flores, Isabella Flores-Ayuzo, Luis Alberto Luévano-Martinez, Sergio Javier Fernandez Ortiz, Sergio Javier Fernandez Ortiz, Noemí García, Leonardo Mancillas-Adame

    Published 2025-05-01
    “…The 2025 Obesity Classification Framework proposed by The Lancet Diabetes & Endocrinology Commission integrates body fat distribution and metabolic biomarkers, aiming to enhance diagnostic accuracy in pediatric obesity.MethodsWe evaluated 111 physically active children (aged 5–11 years) from the Monterrey Football League in Mexico using both the traditional BMI-based classification and the new 2025 Obesity Classification Framework, which incorporates body composition (measured by bioelectrical impedance analysis), waist-to-height ratio, and metabolic biomarkers. …”
    Get full text
    Article
  6. 886
  7. 887

    Survey on the current practice of research ethics committees in the Czech academic environment: a mixed-methods study by Renata Veselska, Jan Sirucek, Josef Kure

    Published 2024-12-01
    “…Abstract Background The primary objective of this study was to conduct a comprehensive questionnaire survey on the practices of research ethics committees reviewing academic research projects in Czechia. …”
    Get full text
    Article
  8. 888

    Research and Development in the Field of Creating Materials, Technologies and Safety Equipment by V. A. Bogush, L. V. Lynkou, N. V. Nasonova, S. L. Prischepa, E. S. Belousova, O. V. Boiprav, H. V. Davydau, V. A. Papou, A. V. Patapovich, H. A. Pukhir

    Published 2024-04-01
    “…Technologies for the manufacture of microwave electromagnetic shields based on powdered carbon, foil and composite multilayer materials are presented. Technological methods for their manufacture and shielding properties are described, and the main mechanisms leading to increased shielding properties are considered depending on the manufacturing technology, composition and alternation of composite layers. …”
    Get full text
    Article
  9. 889

    Microbiome matters: how transplantation methods and donor origins shape the successful restoration of the seagrass Posidonia oceanica by Arnaud Boulenger, Tânia Aires, Aschwin H. Engelen, Gerard Muyzer, Michel Marengo, Sylvie Gobert

    Published 2025-08-01
    “…Abstract Background Posidonia oceanica forms extensive seagrass meadows in the Mediterranean Sea, providing key ecosystem services. …”
    Get full text
    Article
  10. 890

    The unresolved struggle of 16S rRNA amplicon sequencing: a benchmarking analysis of clustering and denoising methods by Mohamed Fares, Engy K. Tharwat, Ilse Cleenwerck, Pieter Monsieurs, Rob Van Houdt, Peter Vandamme, Mohamed El-Hadidi, Mohamed Mysara

    Published 2025-05-01
    “…Abstract Background Although 16S rRNA gene amplicon sequencing has become an indispensable method for microbiome studies, this analysis is not error-free, and remains prone to several biases and errors. …”
    Get full text
    Article
  11. 891

    Group-wise normalization in differential abundance analysis of microbiome samples by Dylan Clark-Boucher, Brent A. Coull, Harrison T. Reeder, Fenglei Wang, Qi Sun, Jacqueline R. Starr, Kyu Ha Lee

    Published 2025-07-01
    “…Abstract Background A key challenge in differential abundance analysis (DAA) of microbial sequencing data is that the counts for each sample are compositional, resulting in potentially biased comparisons of the absolute abundance across study groups. …”
    Get full text
    Article
  12. 892
  13. 893
  14. 894

    The influence of thermal tempering on the fracture resistance, surface microstructure, elemental surface composition, and phase analysis of four heat-pressed lithia-based glass cer... by Khaled Nasser, Amr EL-Etreby, Soha Osama Nabih

    Published 2025-02-01
    “…Abstract Background This in-vitro study aimed to evaluate the impact of thermal tempering and ceramic type on the fracture resistance, surface microstructure, elemental surface composition and phase analysis of four heat-pressed glass ceramics. …”
    Get full text
    Article
  15. 895
  16. 896
  17. 897
  18. 898

    Effects of Liupao Tea with Different Years of Aging on Glycolipid Metabolism, Body Composition, and Gut Microbiota in Adults with Obesity or Overweight: A Randomized, Double-Blind... by Yuyang Wang, Qiang Hu, Botian Chen, Defu Ma

    Published 2025-03-01
    “…Background: Liupao tea (LPT) is a traditionally fermented dark tea from Guangxi, China and the effects of different aging periods of LPT on metabolic health remain inadequately explored. …”
    Get full text
    Article
  19. 899

    Efficacy and safety of moderate-intensity rosuvastatin plus ezetimibe versus high-intensity rosuvastatin monotherapy in the treatment of composite cardiovascular events with hyperc... by Lingyan Liu, Yongkun Deng, Lei Li, Xingbiao Yang, Zhaoheng Yin, Yong Lai

    Published 2024-01-01
    “…<h4>Objective</h4>To systematically review the efficacy and safety of Moderate-intensity Rosuvastatin Plus Ezetimibe compared with High-intensity Rosuvastatin in treating Composite Cardiovascular Events.<h4>Methods</h4>PubMed, Embase, Cochrane Library, CINAHL, Web of Science, China Knowledge Network, China Biological Literature Database, Wan Fang Database, and Weipu Database were searched to retrieve randomized controlled trials assessing the safety and efficacy of the two therapies from the time of construction to December 2023. …”
    Get full text
    Article
  20. 900