Adsorbent phases with nanomaterials for in-tube solid-phase microextraction coupled on-line to liquid nanochromatography

González-Fuenzalida, R.A.; López-García, E.; Moliner‐Martínez, Y.; Campíns‐Falcó, P.

doi:10.1016/j.chroma.2016.01.009

Cited by 32 publications

(12 citation statements)

References 33 publications

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“…CNTs are divided into single-walled (SWCNTs) and multi-walled carbon nanotubes (MWCNTs), based on whether they consist of one or more sealed tube-shaped layers of graphene, respectively. Adsorption of target analytes can take place in their easily accessible walls, as well as in their interstitial sites [97]. MWCNTs functionalized Fe 3 O 4 nanoparticles showed good extraction efficiency and selectivity towards PAHs [72].…”

Section: Carbon-based Magnetic Sorbents For the Mspe Of Pahsmentioning

confidence: 99%

Recent Advances in the Extraction of Polycyclic Aromatic Hydrocarbons from Environmental Samples

Manousi

Zachariadis

2020

Molecules

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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. Due to their low levels in environmental matrices, a preconcentration step is usually required for their determination. Nowadays, there is a wide variety of sample preparation techniques, including micro-extraction techniques (e.g., solid-phase microextraction and liquid phase microextraction) and miniaturized extraction techniques (e.g., dispersive solid-phase extraction, magnetic solid-phase extraction, stir bar sorptive extraction, fabric phase sorptive extraction etc.). Compared to the conventional sample preparation techniques, these novel techniques show some benefits, including reduced organic solvent consumption, while they are time and cost efficient. A plethora of adsorbents, such as metal-organic frameworks, carbon-based materials and molecularly imprinted polymers, have been successfully coupled with a wide variety of extraction techniques. This review focuses on the recent advances in the extraction techniques of PAHs from environmental matrices, utilizing novel sample preparation approaches and adsorbents.

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Section: Carbon-based Magnetic Sorbents For the Mspe Of Pahsmentioning

confidence: 99%

Recent Advances in the Extraction of Polycyclic Aromatic Hydrocarbons from Environmental Samples

Manousi

Zachariadis

2020

Molecules

View full text Add to dashboard Cite

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“…They can be divided into single-walled (SWCNTs) and multiwalled carbon nanotubes (MWCNTs), which consist of one or more sealed tube-shaped layers of graphene, respectively. Adsorption can take place in their easily accessible walls, as well as in their interstitial sites [106]. Several research groups have evaluated the application of SWCNTs and MWCNTs as stationary phases for in-tube SPME.…”

Section: Carbon-based Materialsmentioning

confidence: 99%

Bioanalytical HPLC Applications of In-Tube Solid Phase Microextraction: A Two-Decade Overview

2020

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In-tube solid phase microextraction is a cutting-edge sample treatment technique offering significant advantages in terms of miniaturization, green character, automation, and preconcentration prior to analysis. During the past years, there has been a considerable increase in the reported publications, as well as in the research groups focusing their activities on this technique. In the present review article, HPLC bioanalytical applications of in-tube SPME are discussed, covering a wide time frame of twenty years of research reports. Instrumental aspects towards the coupling of in-tube SPME and HPLC are also discussed, and detailed information on materials/coatings and applications in biological samples are provided.

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“…This technique was developed with the purpose of overcoming the disadvantages of conventional SPME, such as low sorption capacity and high brittleness, having as an advantage the direct extraction of the analytes of interest and the concentration of them in the stationary phase that coats internally the capillary . As a consequence, in‐tube SPME uses a capillary column directly coupled to HPLC (in‐tube SPME‐LC), thus allowing the automation of the extraction process, a greater precision of the analytical method and a shorter time of analysis .…”

Section: Instrumentationmentioning

confidence: 99%

Recent trends in sorption‐based sample preparation and liquid chromatography techniques for food analysis

2018

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The accelerated rising of the world's population increased the consumption of food, thus demanding more rigors in the control of residue and contaminants in food-based products marketed for human consumption. In view of the complexity of most food matrices, including fruits, vegetables, different types of meat, beverages, among others, a sample preparation step is important to provide more reliable results when combined with HPLC separations. An adequate sample preparation step before the chromatographic analysis is mandatory in obtaining higher precision and accuracy in order to improve the extraction of the target analytes, one of the priorities in analytical chemistry. The recent discovery of new materials such as ionic liquids, graphene-derived materials, molecularly imprinted polymers, restricted access media, magnetic nanoparticles, and carbonaceous nanomaterials, provided high sensitivity and selectivity results in an extensive variety of applications. These materials, as well as their several possible combinations, have been demonstrated to be highly appropriate for the extraction of different analytes in complex samples such as food products. The main characteristics and application of these new materials in food analysis will be presented and discussed in this paper. Another topic discussed in this review covers the main advantages and limitations of sample preparation microtechniques, as well as their off-line and on-line combination with HPLC for food analysis.

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Adsorbent phases with nanomaterials for in-tube solid-phase microextraction coupled on-line to liquid nanochromatography

Cited by 32 publications

References 33 publications

Recent Advances in the Extraction of Polycyclic Aromatic Hydrocarbons from Environmental Samples

Recent Advances in the Extraction of Polycyclic Aromatic Hydrocarbons from Environmental Samples

Bioanalytical HPLC Applications of In-Tube Solid Phase Microextraction: A Two-Decade Overview

Recent trends in sorption‐based sample preparation and liquid chromatography techniques for food analysis

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