Recent advances in metal‐organic frameworks and covalent organic frameworks for sample preparation and chromatographic analysis

Wang, Xuan; Ye, Nengsheng

doi:10.1002/elps.201700248

Cited by 102 publications

(33 citation statements)

References 160 publications

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“…Related to the strategies for the implementation of micro/nanomaterials for sample preparation applications, the development of SPE disks or membranes using high surface area materials with enhanced selectivity, such as MOFs, can be an interesting alternative for trace analysis of emerging pollutants due to the high flow rates achieved with this kind of format. Finally, concerning the exploration of emerging materials, other recently described materials could be worth of study as sorbents for sample preparation, such as covalent organic frameworks , mesoporous polymers , or the exploration of 2D materials beyond graphene, such as MoS 2 .…”

Section: Discussionmentioning

confidence: 99%

Emerging materials for sample preparation

Maya

Cabello

Ghani

et al. 2017

J of Separation Science

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This review provides an update on the implementation of emerging materials as sorbents for sample preparation in combination with chromatographic separation. We have focused on recent applications of metal-organic frameworks, layered double hydroxides, porous carbons obtained from polymers or biomass precursors, and silicates (clays and zeolites). The review is directed toward the strategies followed by the authors to engineer suitable supports enabling the application of materials with unconventional size and shape as high-performance sorbents to explore new boundaries in sample pretreatment in manual or automated modes. K E Y W O R D Slayered double hydroxides, metal-organic frameworks, porous carbons, sample preparation, silicates

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Section: Discussionmentioning

confidence: 99%

Emerging materials for sample preparation

Maya

Cabello

Ghani

et al. 2017

J of Separation Science

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“…Analytical chemistry is not an exception; around a hundred MOFs form part of these studies [13]. MOFs are mainly involved in analytical chemistry as sorbents in analytical sample preparation methods [14][15][16][17][18][19], as stationary phases in analytical separation techniques [13,17,18,20,21], and as sensors in spectroscopy and/or electroanalytical methods [22][23][24]. The node-and-connector approach to prepare MOFs.…”

Section: Introductionmentioning

confidence: 99%

Metal-Organic Frameworks in Green Analytical Chemistry

et al. 2019

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Metal-organic frameworks (MOFs) are porous hybrid materials composed of metal ions and organic linkers, characterized by their crystallinity and by the highest known surface areas. MOFs structures present accessible cages, tunnels and modifiable pores, together with adequate mechanical and thermal stability. Their outstanding properties have led to their recognition as revolutionary materials in recent years. Analytical chemistry has also benefited from the potential of MOF applications. MOFs succeed as sorbent materials in extraction and microextraction procedures, as sensors, and as stationary or pseudo-stationary phases in chromatographic systems. To date, around 100 different MOFs form part of those analytical applications. This review intends to give an overview on the use of MOFs in analytical chemistry in recent years (2017–2019) within the framework of green analytical chemistry requirements, with a particular emphasis on possible toxicity issues of neat MOFs and trends to ensure green approaches in their preparation.

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“…Recently, covalent organic polymers (COPs) have been synthesized for the gel monolithic column online coupling to HPLC for the analysis of FWAs in food samples . Moreover, COPs have been utilized for high‐performance sorbents for SPE, mainly because of their adjustable pore structure, large surface area, and extraordinary thermal stability . However, COPs tend to lack specific molecular bonding ability.…”

Section: Introductionmentioning

confidence: 99%

Molecularly imprinted covalent organic polymers for the selective extraction of benzoxazole fluorescent whitening agents from food samples

Ding

Wang

et al. 2018

J of Separation Science

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Molecularly imprinted covalent organic polymers were constructed by an imine-linking reaction between 1,3,5-triformylphloroglucinol and 2,6-diaminopyridine and used for the selective solid-phase extraction of benzoxazole fluorescent whitening agents from food samples. Binding experiments showed that imprinting sites on molecularly imprinted polymers had higher selectivity for targets compared with those of the corresponding non-imprinted polymers. Parameters affecting the solid-phase extraction procedure were examined. Under optimal conditions, actual samples were treated and the eluent was analyzed with high-performance liquid chromatography with diode-array detection. The results showed that the established method has a wide linearity, satisfactory detection limits and quantification limits, and acceptable recoveries. Thus, this developed method possesses the practical potential for the selective determination of benzoxazole fluorescent whitening agents in complex food samples.

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Recent advances in metal‐organic frameworks and covalent organic frameworks for sample preparation and chromatographic analysis

Cited by 102 publications

References 160 publications

Emerging materials for sample preparation

Emerging materials for sample preparation

Metal-Organic Frameworks in Green Analytical Chemistry

Molecularly imprinted covalent organic polymers for the selective extraction of benzoxazole fluorescent whitening agents from food samples

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