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  1. 421

    Inductively Coupled Plasma-Atomic Emission Spectrometry for the Analysis of Heavy Metals and Arsenic in Tinctures by M. S. Galenko, R. N. Alyautdin, I. V. Gravel

    Published 2022-07-01
    “…Conclusions: the proposed procedure showed the possibility of quantification of 16 elemental impurities in the tinctures. …”
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    Article
  2. 422

    Constitutive Model for Hot Deformation Behavior of Fe-Mn-Cr-Based Alloys: Physical Model, ANN Model, Model Optimization, Parameter Evaluation and Calibration by Jie Xu, Chaoyang Sun, Huijun Liang, Lingyun Qian, Chunhui Wang

    Published 2025-05-01
    “…Bayesian inference-based quantification of parameter uncertainty significantly enhances the reliability and interpretability of constitutive model parameters. …”
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    Article
  3. 423
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    The effects of RT-qPCR standards on reproducibility and comparability in monitoring SARS-CoV-2 levels in wastewater by Aapo Juutinen, Ananda Tiwari, Anna-Maria Hokajärvi, Oskari Luomala, Aleksi Kolehmainen, Eveliina Nurmi, Elisa Salmivirta, Tarja Pitkänen, Anssi Lipponen

    Published 2024-10-01
    “…This study highlights the significant impact of standard material selection on SARS-CoV-2 RNA quantification, emphasizing the need for harmonization in standard material.…”
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    Investigation of the main active ingredients of Vitex rotundifolia L.f and assessment of their contribution to the activity of this species by Bich Thao Lam, Hai Trieu Ly, Huyen Tran Tran, Van Minh Le

    Published 2025-06-01
    “…Introduction: Quality control of medicinal materials before research and use is essential. Vitex rotundifolia L.f. …”
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    Article
  9. 429

    Development of a method for quantitative determination of nitric oxide (NO) in rat tissues based on high-performance liquid chromatography and mass spectrometry by N. S. Popov, D. A. Gavrilenko, M. S. Baranov, V. Yu. Balabanyan

    Published 2024-05-01
    “…The study of physiological processes occurring with the participation of NO, as well as the metabolism and pharmacodynamics of pharmacological agents from the group of NO donors, requires the introduction of accurate and reproducible methods for the quantitative determination of this metabolite in biological media.The aim of the study was to develop the HPLC-MS/MS methods for the quantitative determination of NO in various tissues of rats.Materials and methods. The indirect NO quantification was based on estimation of the level of more stable metabolites: nitrites and nitrates extracted from rat tissues by homogenization with water. …”
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    THE DEVELOPMENT OF METHOD FOR MINT AND TURMERIC ESSENTIAL OILS IDENTIFICATION AND QUANTITATIVE ANALYSIS IN COMPLEX DRUG by O. G. Smalyuh

    Published 2015-04-01
    “…It has been established that other active pharmaceutical ingredients capsule (placebo) did not affect the quantification of the components of essential oils of mint and turmeric. …”
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  12. 432

    TISSUE ENGINEERING OF THE ATRIOVENTRICULAR VALVE: DECELLULARIZED MATRIX IN OVINE MITRAL ALLOGRAFT MODEL by P. P. Iablonskii, S. Cebotari, I. Tudorache, A. Hilfiker, S. M. Yashin, A. Haverich

    Published 2015-04-01
    “…Development of the tissue engineered matrix for the atrioventricular valve graft in a large animal model. Materials and мethods. The study was performed on ovine mitral valves (n = 100). …”
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  13. 433
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    Extraction and analysis of plant alkanes and long‐chain alcohols using accelerated solvent extraction (ASE) by Anthony M. Carnahan, Donald E. Spalinger, John M. Kennish, William B. Collins

    Published 2013-03-01
    “…We found that the single‐step ASE process was effective in the extraction, purification, and quantification of both alkanes and LCOHs from plant materials, resulting in significant savings in time while using less corrosive solvents. …”
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    Evaluation of the Level of Biotic and Abiotic Contamination of Surfaces Using the Principle of Light Absorption for the Purpose of Sanitary and Microbiological Control by O. V. Evdokimova, V. V. Biryukov, D. A. Rybakov, Yu. A. Kalinova

    Published 2022-05-01
    “…Determination of the possibility of use of the physical phenomenon of light absorption for detection of the pollutions and their quantification on surfaces made from various materials and on environmental objects with unequal conditions of use.Materials and methods. …”
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    Phthalocyanine-Modified Electrodes Used in the Electroanalysis of Monoamine Neurotransmitters by Anton Alexandru Ciucu, Mihaela Buleandră, Dana Elena Popa, Dragoș Cristian Ștefănescu

    Published 2025-07-01
    “…Metallo-phthalocyanines (MPcs) are versatile materials with applications in electroanalysis because of their superior catalytic properties. …”
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