Recent Advances in the Extraction of Polycyclic Aromatic Hydrocarbons from Environmental Samples
Molecules, 2020 Polycyclic aromatic hydrocarbons (PAHs) comprise a group of chemical compounds consisting of two or more fused benzene rings. PAHs exhibit hydrophobicity and low water solubility, while some of their members are toxic substances resistant to degradation.
Natalia Manousi, George A. Zachariadis
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Applications of Graphene-Based Nanomaterials in Environmental Analysis
Applied Sciences, 2021 Sample preparation is an essential and preliminary procedure of most chemical analyses. Due to the sample diversity, the selection of appropriate adsorbents for the effective preparation and separation of different samples turned out to be important for ...
Orfeas-Evangelos Plastiras +2 more
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A one dimensional model for the prediction of extraction yields in a two phases modified twin-screw extruder [PDF]
, 2002 Solid/liquid extraction is performed on raw plant substrate with a modified twin-screw extruder (TSE) used as a thermo-mecanochemical reactor. Visual observations and experimental residence time distributions (RTD) are used to develop a solid transport ...
Prat, Laurent E. +4 more
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Modern Approaches to Preparation of Body Fluids for Determination of Bioactive Compounds
Separations, 2019 The current clinical and forensic toxicological analysis of body fluids requires a modern approach to sample preparation characterized by high selectivity and enrichment capability, suitability for micro-samples, simplicity and speed, and the possibility
Katarzyna Madej, Wojciech Piekoszewski
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Current Trends in Fully Automated On-Line Analytical Techniques for Beverage Analysis
Beverages, 2019 The determination of target analytes in complex matrices such as beverages requires a series of analytical steps to obtain a reliable analysis. This critical review presents the current trends in sample preparation techniques based on solid phase ...
Karen Mejía-Carmona +2 more
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Solid–liquid transport in a modified co-rotating twin-screw extruder-dynamic simulator and experimental validations [PDF]
, 2004 This work presents a dynamic transport model of a solid–liquid media through a twin-screw extruder (TSE). The application under consideration is the solid–liquid extraction of solute from raw plant substrate.
Prat, Laurent E. +4 more
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Recent Materials Developed for Dispersive Solid Phase Extraction
Molecules, 2020 Solid phase extraction (SPE) is an analytical procedure developed with the purpose of separating a target analyte from a complex sample matrix prior to quantitative or qualitative determination.
Piotr Ścigalski, Przemysław Kosobucki
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Solid-phase extractions in flow analysis [PDF]
Anais da Academia Brasileira de Ciências, 2018 Coupling solid-phase extraction (SPE) to flow systems has promoted a synergistic development. Whereas SPE mechanization leads to improved precision and higher sample throughput, as well as diminishes systematic errors and contamination risks, analyte concentration and separation from the sample matrix provides a remarkable impact on detectability and ...
ROCHA, FÁBIO R.P. +3 more
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Shipin gongye ke-ji, 2023 To expand the application of novel nanomaterial based solid phase extraction technology in complex food matrices, a sulfonic acid based covalent organic framework (TpPa-SO3H) was prepared as solid phase extraction adsorbents for the rapid analysis of ...
Lu ZHANG, Wei JIANG
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Automated processing of whole blood samples for the determination of immunosuppressants by liquid chromatography tandem-mass spectrometry [PDF]
, 2006 Background: Liquid chromatography tandem-mass spectrometry (LC-MS/MS) is an efficient technology for routine determination of immunosuppressants in whole blood; however, time-consuming manual sample preparation remains a significant limitation of this ...
Spöhrer, Ute, Vogeser, Michael
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