Showing 301 - 320 results of 455 for search '"international standard"', query time: 0.08s Refine Results
  1. 301

    Multiplexed Dilute-and-Shoot Liquid Chromatography–Multiple-Reaction Monitoring Mass Spectrometry Clinical Assay for Metanephrines and Catecholamines in Human Urine by Deema O. Qasrawi, Adriano M. C. Pimenta, Evgeniy V. Petrotchenko, Shaun Eintracht, Christoph H. Borchers

    Published 2025-01-01
    “…Certified deuterated internal standards were used for each analyte. <b>Results:</b> This assay was validated according to the CLSI C62-A guidelines, including accuracy/trueness, imprecision, sensitivity, specificity, carryover, stability, and linearity. …”
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  2. 302

    Rapid, Validated UPLC-MS/MS Method for Determination of Glibenclamide in Rat Plasma by Mohd Aftab Alam, Fahad Ibrahim Al-Jenoobi, Abdullah Mohammed Al-Mohizea

    Published 2018-01-01
    “…Glimepiride was used as internal standard (IS). Glibenclamide and glimepiride were eluted on C18 column (Acquity UPLC®BEH). …”
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  3. 303

    Pharmacokinetic Comparisons of Mangiferin and Mangiferin Monosodium Salt in Rat Plasma by UPLC-MS/MS by Hongbin Guo, Mengqiao Chen, Mengran Li, Mingye Hu, Baohua Chen, Chengyan Zhou

    Published 2019-01-01
    “…An appropriate high sensitivity and selectivity ultraperformance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) method was applied to the comparison of plasma pharmacokinetics in MG and MG-Na using carbamazepine as internal standard (IS). These results showed that there were statistically significant differences in the pharmacokinetic parameters between MG and MG-Na after a single oral administration at 100 mg/kg. …”
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    Article
  4. 304

    Application of Electric Impedance Tomography (EIT) Technology in Critical Respiratory Rehabilitation by PAN Huaping

    Published 2024-01-01
    “…Future efforts should prioritize optimizing EIT technology, advancing data fusion techniques, and establishing international standards and guidelines for its utilization to achieve personalized and refined management throughout the entire critical care rehabilitation process using EIT.…”
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    Article
  5. 305

    RHETORICAL MOVES AND LINGUISTIC REALIZATIONS OF RESEARCH ARTICLE ABSTRACTS BY INDONESIAN AUTHORS IN APPLIED LINGUISTICS PUBLISHED IN INTERNATIONAL JOURNALS by Husnul Hakim, Safnil Arsyad, Syahrial Syahrial

    Published 2021-02-01
    “…Indonesian authors are suggested to follow international standards and trends to achieve outstanding RA abstract.…”
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    Article
  6. 306

    Constitutional reform of Ukraine in 2016 and its impact on the development of the legal system by L. L. Goncharenko

    Published 2023-07-01
    “…Attention is drawn to the fact that the constitutional reform in Ukraine implemented in 2016 was important for our country, since: firstly, it was aimed at strengthening democracy and observance of the rule of law in Ukraine; secondly, the powers of the President of Ukraine and the Verkhovna Rada of Ukraine to elect judges to office were adapted in accordance with international standards; thirdly, the requirements for the personality and professionalism of judges were significantly increased. …”
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  7. 307

    Quantitative <sup>31</sup>P NMR Spectroscopy: Principles, Methodologies, and Applications in Phosphorus-Containing Compound Analysis by Yaqin Liu, Lina Gao, Zeling Yu

    Published 2024-12-01
    “…A key advantage of <sup>31</sup>P NMR is its ability to provide exclusive detection and direct quantification of phosphorus in phosphorus-containing compounds. The internal standard method is favored for its simplicity, as it avoids the need for calibration curves, while the external standard method is better suited for natural products with established reference materials. …”
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  8. 308

    Principles of the victim’s representation in criminal proceedings by I. O. Yemets

    Published 2024-06-01
    “…It has been determined that the prospects for further research should include the mechanisms for implementing international standards of victim representation, problematic aspects of victim representation in criminal proceedings, and the principles of representation of a witness, a civil plaintiff, and a civil defendant.…”
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  9. 309

    Stepwise strategic environmental management in marine protected area by A. Padash, S.A. Jozi, S.M.B. Nabavi, B. Dehzad

    Published 2016-01-01
    “…At the end, by considering the socioeconomic and environmental issues, the strategy of using protective strategies in line with international standards as well as a strong support of governmental national execution with a score of 6.05 was chosen as the final approach.…”
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  10. 310

    Determination of Tropifexor in Beagle Dog Plasma by UPLC-MS/MS and Its Application in Pharmacokinetics by Yan-Ding Su, Xin-Yi Wei, Xiao-Hang Su, Ghulam Woshur, Xiao-Nan Geng, Xiang-Jun Qiu

    Published 2022-01-01
    “…The chromatographic separation of tropifexor and oprozomib (internal standard, ISTD) on the column, with the addition of acetonitrile for rapid precipitation and protein extraction, was achieved with 0.1% formic acid aqueous solution-acetonitrile for the mobile phase. …”
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  11. 311

    Salivary Metabolomics of Well and Poorly Controlled Type 1 and Type 2 Diabetes by Sompop Bencharit, James Carlson, Warren C. Byrd, Escher L. Howard-Williams, Jackson T. Seagroves, Susan McRitchie, John B. Buse, Susan Sumner

    Published 2022-01-01
    “…Samples were spiked using an isotopically labeled internal standard and analyzed by UPLC-TOF-MS using a Waters SYNAPT G2-Si mass spectrometer. …”
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  12. 312
  13. 313

    Application of international energy efficiency standards for energy auditing in a University buildings by V. Shcherbak, L. Ganushchak-Yefimenko, O. Nifatova, P. Dudko, N. Savchuk, I. Solonenchuk

    Published 2019-10-01
    “…It is argued that the key elements of this integrative approach to energy management are energy auditing, energy certification and energy monitoring based on the consistent use of ISO 9000 international standards. Over the last 10 years energy consumption in Ukrainian higher education institutions against the world best practice exceed by 30-40%. …”
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    Article
  14. 314

    Development and Validation of a Simple High Performance Liquid Chromatography/UV Method for Simultaneous Determination of Urinary Uric Acid, Hypoxanthine, and Creatinine in Human U... by Nimanthi Wijemanne, Preethi Soysa, Sulochana Wijesundara, Hemamali Perera

    Published 2018-01-01
    “…Tyrosine was used as the internal standard. The experimental conditions offered a good separation of analytes without interference of endogenous substances. …”
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  15. 315

    Sweat Cortisol and Cortisone Determination in Healthy Adults: UHPLC-MS/MS Assay Validation and Clinical Application by Syed N. Alvi, Kafa Abuhdeeb, Muhammad M. Hammami

    Published 2022-01-01
    “…A positive electrospray ionization interface with multiple-reaction monitoring mode was used to provide simultaneous quantification of cortisol, cortisone, and internal standard at transitions of 363.11 to 121.00, 361.18 to 163.11, and 367.19 to 121.24, respectively. …”
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  16. 316

    Simultaneous Quantification of Aspirin, Its Metabolite Salicylic Acid, and Salvianolic Acid B in Human Plasma Using UPLC-MS/MS by Weiyi Cao, Hezhi Yao, Zhenzhen Qian, Yi Wu, Shuge Wang, Rui Li, Rui Gao

    Published 2021-01-01
    “…The analytes and internal standard were extracted from the acidified plasma by liquid-liquid extraction with ethyl acetate and then separated by gradient elution with acetonitrile/0.5% formic acid in water on a C18 column. …”
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  17. 317

    Impact of Pretreatment and Drying Factors on Chemical and Biochemical Attributes of Moroccan Thompson Seedless Grapes by Abdelhakim Boudboud, Mohamed Ben Aziz, Hassan Hajjaj, Lhoussain Hajji, Bruno de Meulenaer, Hamid Mazouz

    Published 2023-01-01
    “…Also, in these conditions, a lower browning rate (14.48%), a lower 5-hydroxymethylfurfural content (12.40 mg/100 g DW), and a higher level of polyphenols (135.79±13.17 mg GAE/100 g DW) and flavonoid content (57.81±3.08 mg Qeq/100 g DW) have been recorded while meeting international standards for SO2 content and microbial quality.…”
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  18. 318

    Development and Validation of Analytical Procedure for Elemental Impurities in Rosuvastatin Calcium Tablets by ICP-MS and Microwave Digestion by Yajie Hao, Guang Yin, Xuemei Wang, Juan Fu, Qihui Cao, Qinyong Sun, Guimin Zhang, Zhong Feng

    Published 2024-01-01
    “…The measurement mode was collision cell mode with kinetic energy discrimination (KED). 209Bi+, 115In+, and 89Y+ were chosen as internal standard elements. The recoveries of the limit of quantitation (LOQ) ranged from 90.5% to 106.4%, concentrations of the abovementioned elements in LOQ were 0.25 µg·L−1, 0.25 µg·L−1, 0.75 µg·L−1, 1.5 µg·L−1, 2.5 µg·L−1, 5 µg·L−1, and 8 µg·L−1 , respectively, linear correlation coefficients were above 0.9997, the recoveries in accuracy item ranged from 91.8% to 103.6%, and relative standard deviations (RSDs) of recovery in precision were not more than 1.8%, reflecting a reliable method of high sensitivity, strong anti-interference capacity, and good precision, and that it was suitable for the determination of elemental impurities in drugs.…”
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  19. 319

    Diagnosis and Treatment of Low Anterior Resection Syndrome by Masaaki Miyo, Emi Akizuki, Koichi Okuya, Ai Noda, Masayuki Ishii, Ryo Miura, Momoko Ichihara, Maho Toyota, Kohei Okamoto, Tatsuya Ito, Yuji Akiyama, Ichiro Takemasa

    Published 2025-01-01
    “…., which is a patient-reported outcome measure to evaluate the severity of bowel dysfunction following rectal surgery by scoring the major symptoms of LARS, facilitates the diagnosis and assessment of LARS and enables international comparison and validation through the use of validated scores generated according to the international standards. Based on comparisons with other evaluation instruments, the use of the LARS score is strongly recommended internationally for LARS screening in patients following rectal resection. …”
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  20. 320

    Validation of Colchicine Assay Method for Therapeutic Drug Monitoring in Human Plasma by Fadime Canbolat

    Published 2022-12-01
    “…In our study, to 1ml plasma sample, 0.25 ml internal standard solution was added. The solution was extracted by liquid-liquid extraction (LLE). …”
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