Research Topic

Advances in Extraction/Microextraction Methods Utilizing Innovative Nano-sorbents

About this Research Topic

Sample preparation is still considered the bottleneck for the whole analytical process as it impacts nearly all later steps, and is critical for unequivocal identification, confirmation, and quantification of analytes. In order to fulfill current requirements in sample preparation for tracing analytes at trace or ultra-trace level in complicated samples, many new sample preparation techniques have been introduced. Recent tendencies have included: (1) automation through the coupling of sample preparation units and detection systems, (2) application of advanced sorbents (such as nanomaterials), (3) application of greener approaches such as solvent-reduced techniques (e.g., microextraction methods). New methods and techniques for sample preparation should not only be environmentally friendly, but should also be characterized by their simplicity of performance, as well as the low cost and time efficiency of the entire performance.

This Research Topic outlines some of the latest important innovations in extraction/microextraction methods, since these methods are widely concerned and investigated. The high sorption capacity and unique physicochemical properties of nanomaterials result in higher pre-concentration factors, which confers the analytical sensitivity, selectivity, and precision required for target analytes in a variety of matrices. The incorporation of nanoparticles in the sample treatment step, which have been successfully engineered for pore size, surface area, and physical and chemical properties (e.g., sorbent characteristics and interactions with analytes), helps to simplify this step.

We welcome submissions of Original Research and Review articles demonstrating innovation in sample preparation methodology in the following categories:

 • Sorbent-based extraction methods (e.g., solid-phase microextraction, dispersive solid phase extraction, Magnetic solid-phase extraction, etc,.) utilizing nano-sorbents
  o Nanoparticles as magnetic and non-magnetic support
  o Nanomaterials as sorbent materials (e.g., metallic nanoparticles, MOFs, nanofibers, etc.)

 • Nanomaterials as Pseudo-Stationary Phase
  o Nanoparticles in Liquid–Liquid Extraction (LLE)
  o Nanoparticles in Liquid-Phase Microextraction


Keywords: sample preparation, extraction, microextraction methods, nano-sorbents, green chemistry


Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

Sample preparation is still considered the bottleneck for the whole analytical process as it impacts nearly all later steps, and is critical for unequivocal identification, confirmation, and quantification of analytes. In order to fulfill current requirements in sample preparation for tracing analytes at trace or ultra-trace level in complicated samples, many new sample preparation techniques have been introduced. Recent tendencies have included: (1) automation through the coupling of sample preparation units and detection systems, (2) application of advanced sorbents (such as nanomaterials), (3) application of greener approaches such as solvent-reduced techniques (e.g., microextraction methods). New methods and techniques for sample preparation should not only be environmentally friendly, but should also be characterized by their simplicity of performance, as well as the low cost and time efficiency of the entire performance.

This Research Topic outlines some of the latest important innovations in extraction/microextraction methods, since these methods are widely concerned and investigated. The high sorption capacity and unique physicochemical properties of nanomaterials result in higher pre-concentration factors, which confers the analytical sensitivity, selectivity, and precision required for target analytes in a variety of matrices. The incorporation of nanoparticles in the sample treatment step, which have been successfully engineered for pore size, surface area, and physical and chemical properties (e.g., sorbent characteristics and interactions with analytes), helps to simplify this step.

We welcome submissions of Original Research and Review articles demonstrating innovation in sample preparation methodology in the following categories:

 • Sorbent-based extraction methods (e.g., solid-phase microextraction, dispersive solid phase extraction, Magnetic solid-phase extraction, etc,.) utilizing nano-sorbents
  o Nanoparticles as magnetic and non-magnetic support
  o Nanomaterials as sorbent materials (e.g., metallic nanoparticles, MOFs, nanofibers, etc.)

 • Nanomaterials as Pseudo-Stationary Phase
  o Nanoparticles in Liquid–Liquid Extraction (LLE)
  o Nanoparticles in Liquid-Phase Microextraction


Keywords: sample preparation, extraction, microextraction methods, nano-sorbents, green chemistry


Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

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Submission Deadlines

15 January 2021 Manuscript
19 February 2021 Manuscript Extension

Participating Journals

Manuscripts can be submitted to this Research Topic via the following journals:

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Topic Editors

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Submission Deadlines

15 January 2021 Manuscript
19 February 2021 Manuscript Extension

Participating Journals

Manuscripts can be submitted to this Research Topic via the following journals:

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