Showing 1,601 - 1,620 results of 165,460 for search '(method OR methods) development', query time: 0.82s Refine Results
  1. 1601

    Development of an HPLC–UV method for quantification of posaconazole in low-volume plasma samples: design of experiments and machine learning models by Fereshteh Bayat, Ali Hashemi Baghi, Zahra Abbasian, Simin Dadashzadeh, Reza Aboofazeli, Azadeh Haeri

    Published 2024-12-01
    “…Our research aims to present a novel approach by combining a 2-level fractional factorial design and machine learning to optimize both chromatography and extraction experiments, allowing for the development of a rapid method with a low limit of quantification (LOQ) in low-volume plasma samples. …”
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    Article
  2. 1602

    Development of an immune-related gene signature applying Ridge method for improving immunotherapy responses and clinical outcomes in lung adenocarcinoma by Zhen Chen, Yongjun Zhang

    Published 2025-05-01
    “…The sequencing data of immune-related genes were comprehensively analyzed by introducing a new computational framework and 10 machine learning algorithms (a total of 101 combinations) to determine the prognostic genes, which were further combined to develop an immune prognostic signature (IMMPS) using the stepCox and Ridge methods. …”
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    Article
  3. 1603

    Equivalent force model of deformation induced by oil and gas reservoir development and its volume boundary element method solution by Xuehao PEI, Yuetian LIU, Liang XUE

    Published 2025-04-01
    “…A brand-new volume boundary element numerical method solution has been developed and verified and tested. …”
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    Article
  4. 1604

    Investigating the impact of adventure education on children's physical, cognitive and socio-emotional development: A mixed method systematic review. by Ruhina Binta A Ghani, Patrick W C Lau, Nike Lu, Peng Zhou, Jing Jing Wang

    Published 2025-01-01
    “…This mixed-method systematic review examines how Adventure Education is perceived by children and its impact on their development. …”
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    Article
  5. 1605

    Development of a Comprehensive HPLC Method for Determination of Product-related Impurities and Assay of Active Ingredients in Papaverine Hydrochloride Products by N. P. Antonova, E. P. Shefer, N. E. Semenova, S. S. Prokhvatilova, A. M. Kalinin, S. A. Kuchugurin, V. N. Makukhin

    Published 2021-03-01
    “…An HPLC assay is not used for determination of papaverine hydrochloride in drug dosage forms.The aim of the study was to develop an HPLC test method for determination of product-related impurities and for quantification of papaverine hydrochloride in solutions for injection, tablets, and rectal suppositories.Materials and methods: samples of the following Russian-made papaverine products were used in the study: Papaverine, solution for injection, 20 mg/mL; Papaverine, rectal suppositories, 20 mg; Papaverine, tablets, 40 mg. …”
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  6. 1606

    Development of Theoretical Approaches to Determination of the Main Groups of Biologically Active Substances of Medicinal Plant Raw Materials by TLC Method by O. V. Trineeva

    Published 2021-05-01
    “…To study the qualitative composition of BAS and to achieve a clear separation of zones on chromatograms, TLC methods were developed and tested on the studied MPМ using simple, frontal or two-dimensional chromatography.Conclusion. …”
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  7. 1607
  8. 1608

    Development and validation of a RP-HPLC method for simultaneous determination of five COVID-19 antiviral drugs in pharmaceutical formulations by Mohamed W. Nassar, Ahmed Serag, Mohamed A. Hasan, Mohamed Kamel

    Published 2025-07-01
    “…Abstract A rapid, sensitive, and selective reversed-phase high-performance liquid chromatography (RP-HPLC) method was developed and validated for the simultaneous determination of five COVID-19 antiviral drugs: favipiravir, molnupiravir, nirmatrelvir, remdesivir, and ritonavir. …”
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  9. 1609
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  11. 1611

    Development of Simultaneous Determination Method of a Pregnan Steroid with Gestagenic Activity – Gestobutanoil and Two its Metabolites in Rat Serum by E. S. Stepanova, L. M. Makarenkova, S. V. Goryainov, T. A. Fedotcheva, N. L. Shimanovsky

    Published 2021-05-01
    “…An HPLC-MS method was developed for the simultaneous determination of gestobutanoyl, megestrol acetate, and AMOL. …”
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  12. 1612
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  14. 1614

    Development and Validation of a Hydrophilic Interaction Liquid Chromatography Tandem Mass Spectrometry Method for the Determination of Asparagine in Human Serum by Haoyang Lu, Xiaoyun Zeng, Lihua Yu, Zhanzhang Wang, Danna Lin, Xiaojia Ni, Dewei Shang, Ming Zhang, Jinqing Hu, Shuhua Deng, Xiuqing Zhu, Yuqing Chen, Huanshan Xie, Lihua Yang, Yuguan Wen

    Published 2020-01-01
    “…In this study, a hydrophilic interaction liquid chromatography tandem mass spectrometry (HILIC-MS/MS) method was developed for the determination of ASN in the human serum using a stable isotope-labeled internal standard (ASN-D3). …”
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  15. 1615

    Research Note: Development of a reverse transcriptase recombinase-aided amplification method for detection of Parrot Borna Virus 4 by Yuhang Bai, Guixin Dong, Peng Zhang, Mengyue Dong, Jiaqian Rao, Qian Wang, Runlin Shao, Ruiheng Liu, Keyu Feng, Qingmei Xie, Xinheng Zhang

    Published 2024-12-01
    “…Its impact on the parrot industry has been significant, therefore, it is imperative to develop a rapid detection method for PaBV-4. The detection of PaBV-4 was achieved through the development of an RT-RAA assay, which involved the design of specific probes and primers targeting the N gene. …”
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  16. 1616
  17. 1617

    Development and performance evaluation of a multiplex fluorescent PCR method for the detection of fastidious pathogens causing respiratory infections in children by Yijun Zhu, Jingchao Shi, Shihang Zhang, Weixian Yang, Xiaoyun Shan

    Published 2025-04-01
    “… Introduction: This study was performed to develop a multiplex fluorescent PCR method for the concurrent detection of six fastidious bacteria associated with respiratory tract infections. …”
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