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  1. 601

    An Illuminating Physical View on the Principles of “3 Generations” Structure of Elementary Particles, and on Evolution of Universe–Energy Basic State Field of the Universe (IV)... by Xiaodong Yang, Yuchen Yang, Luo Zhen, Yuanbo Bi

    Published 2024-01-01
    “…More cosmic observation and more experiment data are needed in order to establish the precise quantification of the mathematical physics equations on the evolution process. …”
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    Article
  2. 602
  3. 603

    Microplastics in freshwater and marine ecosystems: Occurrence, characterization, sources, distribution dynamics, fate, transport processes, potential mitigation strategies, and pol... by Toheeb Lekan Jolaosho, Mariam Folashade Rasaq, Eniola Victoria Omotoye, Oluwadamilola Victoria Araomo, Opeyemi Shakirat Adekoya, Opeyemi Yusuf Abolaji, Jesuyon Joseph Hungbo

    Published 2025-04-01
    “…The most commonly produced plastic polymers in industry are polyethylene (36 %) and polypropylene (21 %), and studies revealed that these two materials are the most abundant in aquatic ecosystems. …”
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    Article
  4. 604

    Synthesis and Quality Control of Calcium Chelidonate Substance with Osteogenic Activity by E. Yu. Avdeeva, N. M. Igidov, V. L. Gein, S. V. Krivoshchekov, I. A. Khlusov, M. V. Belousov, N. V. Dozmorova, V. G. Luzhanin

    Published 2023-12-01
    “…Due to the limited resource reserves and the complexity of the process of extracting chelidonic acid from plant raw materials, a method for the chemical synthesis of calcium chelidonate substance with osteogenic activity is proposed. …”
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    Article
  5. 605

    In vitro plaque formation model to unravel biofilm formation dynamics on implant abutment surfaces by Romualdus Nugraha Catur Utomo, Alena Lisa Palkowitz, Lin Gan, Anna Rudzinski, Julia Franzen, Hendrik Ballerstedt, Martin Zimmermann, Lars Mathias Blank, Horst Fischer, Stefan Wolfart, Taskin Tuna

    Published 2024-12-01
    “…Biofilm analyses included crystal violet staining, intact cell quantification with BactoBox, 16S rRNA gene analysis, and short-chain fatty acids measurement. …”
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    Article
  6. 606

    Occurrence and Distribution of Microplastics on the Beaches of Limón on the Southern Caribbean Coast of Costa Rica by Emanuelle Assunção Loureiro Madureira, André Luiz Carvalho da Silva, Gustavo Barrantes-Castillo, Fábio Vieira de Araújo

    Published 2024-12-01
    “…The methodology consisted of conducting fieldwork in 2017 and 2019 to collect materials on five beaches and laboratory analyses for extraction using hypersaline solution and the quantification and characterization of microplastics based on type, size, and color. …”
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    Article
  7. 607

    Quantitative Determination of Naltrexone Hydrochloride in a Nasal Spray by High-performance Liquid Chromatography by Yu. M. Domnina, V. V. Suslov, S. A. Kedik, E. V. Vorfolomeeva, A. V. Meleshko

    Published 2020-05-01
    “…Development and validation of a method for the quantitative determination of naltrexone hydrochloride in a nasal spray by high performance liquid chromatography (HPLC).Materials and methods. As an object of research, a naltrexone hydrochloride nasal spray was used. …”
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  8. 608
  9. 609

    Psychophysiological changes during workspace virtualization by I. V. Tarasova, M. S. Nikitenko, O. A. Trubnikova, I. N. Kukhareva, D. S. Kupriyanova, A. S. Sosnina, O. L. Barbarash

    Published 2021-07-01
    “…To estimate psychophysiological changes during workspace virtualization.Materials and Methods. We evaluated the psychophysiological profile of 10 healthy right-handed males aged 25 to 45 years before, during and after the working in a virtual reality (VR) headset. …”
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    Article
  10. 610

    Comparative assessment of the acoustic activity and the Pressure Stimulated Voltage in marble specimens under compression by Stavros K Kourkoulis, Ermioni Pasiou, Dimos Triantis, Ilias Stavrakas

    Published 2025-03-01
    “…The temporal evolution of the electric activity and that of the acoustic one are in excellent agreement, independently of the parameter used for their quantification. The study revealed that both activities provide clear pre-failure indices, early warning about upcoming disastrous fracture. …”
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    Article
  11. 611

    Chemical analysis of low grade gold from mine tailings after size fractionation and acid digestion using reverse aqua regia by Kedibone Nicholine Mashale, James Sehata, Napo Godwill Ntsasa, Luke Chimuka, James Tshilongo

    Published 2025-03-01
    “…Abstract The growing interest in reprocessing mine tailings for gold recovery requires a suitable quantification method that is accurate, rapid, and not harsh to the environment. …”
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  12. 612

    Development and Validation of Valganciclovir and its Active Metabolite Ganciclovir Determination in Human Plasma by HPLC-UV Method by T. N. Komarov, I. E. Shohin, O. A. Miskiv, D. S. Bogdanova, A. V. Aleshina, Yu. V. Medvedev, N. S. Bagaeva

    Published 2020-05-01
    “…The aim of this study is to develop method for the quantitative determination of valganciclovir and its active metabolite ganciclovir in human plasma by HPLC-UV for pharmacokinetic studies.Materials and methods. Quantitative determination of tadalafil in plasma by HPLC-UV. …”
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  13. 613

    Rapid detection of Lys-gingipain using fluorogenic peptide substrate for diagnosis of periodontitis by Jeeyeon Park, Seongsoo Kim, Sang-Myung Lee, Hanseung Baek, Dong-Sik Shin

    Published 2025-04-01
    “…This fluorogenic peptide substrate can be used as a basic material for various types of biosensors.…”
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    Article
  14. 614

    Conceptualization of the Subjective Image of Adulthood in the Semantic Space of a Linguistic Personality by Наталя Токарева, Анжеліка Шамне

    Published 2020-04-01
    “…The results obtained substantially complement the materials presented by the scientific community on the trends in the conceptualization of the indicators of modern youth growing up.…”
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    Article
  15. 615

    Development and Validation of Atazanavir and Ritonavir Determination in Human Plasma by HPLC-MS Method by T. N. Komarov, I. E. Shohin, O. A. Miskiv, D. S. Bogdanova, A. V. Aleshina, Yu. V. Medvedev, N. S. Bagaeva

    Published 2020-02-01
    “…The method was validated of selectivity, matrix effect, calibration curve, accuracy, precision, limit of quantification, carry-over effect and sample stability.Conclusion. …”
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  16. 616
  17. 617

    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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  18. 618
  19. 619

    Gastric cancer radiation therapy: a bibliometric analysis of the scientific literature by Zhen-Hong Weng, Bin-Bin Chen, Jia-Rui Lin, Mu-Ming Xu, Jin-Peng Yuan, Hao-Kai Hu

    Published 2025-05-01
    “…Data analysis was conducted using R-Studio software, employing bibliometric methods based on the bib liometrix R package. Quantification involved assessing the most relevant authors based on document production and citation metrics. …”
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  20. 620

    Development and Validation of Salbutamol, Bromhexine, Ambroxol and Guauaifenesin Determination in Human Plasma by HPLC-MS/MS Method by T. N. Komarov, D. S. Bogdanova, O. A. Miskiv, A. V. Aleshina, I. E. Shohin, Yu. V. Medvedev, N. S. Bagaeva, I. M. Korenskaya

    Published 2019-11-01
    “…The method was validated by next validation parameters: selectivity, matrix effect, calibration curve, accuracy, precision, limit of quantification, carry-over and stability.Conclusion. The method of the determination of salbutamol, bromhexine, ambroxol and guaifenesin in human plasma was developed and validated by HPLC-MS/MS. …”
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    Article