Jan 17, 2020 · It is estimated that approximately 60% of workload, time, and cost are devoted to sample preparation. Among other modern sample preparation techniques, solid-phase microextraction (SPME) is a state-of-the-art, solvent-free technology that was developed by the research group of Pawliszyn in 1989. Due to the fact of its versatility, reliability
This article reviews various microextraction methods, which include solid-based microextraction, such as solid-phase microextraction, microextraction by packed sorbent and stir-bar sorptive extraction, and liquid-based microextraction, such as single drop/hollow fiber-based liquid-phase microextraction and dispersive liquid-liquid
Feb 4, 2022 · This review reports on the state-of-the-art innovative solid-phase microextraction techniques, especially those used for chromatographic separation and mass-spectrometric detection, given the recent improvements in availability and range of automation techniques.
This book offers comprehensive information on the developments and applications of the solid phase microextraction (SPME) technique. The first part of the book briefly introduces readers to the fundamentals of SPME, while subsequent sections describe the applications of SPME technique in detail, including environmental analysis (air, water, soil/sediments), food analysis (volatile/nonvolatile
Microextraction. Microextraction is defined as an extraction technique where the volume of the extracting phase is very small in relation to the volume of the sample, and extraction of analytes is not exhaustive. From: Journal of Chromatography A, 2000. Related terms: Liquid-Phase Microextraction; Solid-Phase Extraction; Solid-Phase Microextraction
Jan 7, 2010 · Thus, the selection of an appropriate sample preparation method is the most crucial step in the entire analytical process and this is one of the major reasons behind the development of solidphase
Mar 2, 2004 · Solid-Phase Microextraction (SPME) is a very simple and efficient, solventless sample preparation method, invented by Pawliszyn in 1989. SPME has been widely used in different fields of analytical chemistry since its first applications to environmental and food analysis and is ideally suited for coupling with mass spectrometry (MS).
Jan 13, 2022 · Fiber Solid-Phase Microextraction and Capillary Solid-Phase Microextraction. The commercially available fibers can be classified into non-bonded, bonded, partially cross-linked, and highly cross-linked phases, which all differ in their degree of stability with organic, polar, and non-polar solvents.
Solid phase microextraction (SPME) is an innovative and sensitive solvent-free sample preparation technology. Based on the principle of adsorption/absorption and desorption, SPME uses a coated fiber to concentrate volatile and semi-volatile compounds from a sample. SPME is widely used for a variety of applications involving environmental
Nov 24, 2016 · This book offers comprehensive information on the developments and applications of the solid phase microextraction (SPME) technique. The first part of the book briefly introduces readers to the fundamentals of SPME, while subsequent sections describe the applications of SPME technique in detail, including environmental analysis (air, water, soil/sediments), food analysis (volatile/nonvolatile
Jan 1, 2020 · Solid phase microextraction (SPME) is a modern, non-exhaustive sample preparation technique, which has integrated sampling, preconcentration, and extraction into a single step and the trapped analytes can be directly introduced to analytical instruments like chromatographic systems.
May 24, 2022 · Abstract. Solid-phase microextraction (SPME) possesses unique features that allow it to be used in analyses that would not be possible with traditional sample-preparation methods. The simplicity of SPME protocols and extraction devices makes it a uniform platform for analyzing biological samples, either via the headspace or in direct immersion
For a long time, the importance of sample preparation and extraction in the analytical performance of the most diverse methodologies have been neglected. Cumbersome techniques, involving high sample and solvent volumes have been gradually miniaturized from solid-phase and liquid-liquid extractions formats and microextractions approaches are becoming the standard in different fields of research
Aug 29, 2023 · Solid phase extraction1 (SPE) is a sample preparation technique using a solid adsorbent contained most commonly in a cartridge device (Figure 1), or on a disk to adsorb select species from solution. SPE is used to isolate a species in a sample or to clean-up a sample before analysis. Figure 1.
Solid Phase MicroExtraction (SPME) offers an approach that provides the benefits of these methods while at the same time eliminates the use of solvents and reduces analysis costs and the time required for sample preparation. Essentially all sample matrices, whether liquid, solid or gaseous, can be sampled by SPME.