Comparison of two thin-film microextractions for the analysis of estrogens in aqueous tea extract and environmental water samples by high performance liquid chromatography-ultraviolet detection

Cai, Peishan; Li, Dan; Chen, Jing; Xiong, Chaomei; Ruan, Jinlan

doi:10.1016/j.foodchem.2014.11.002

Cited by 34 publications

(8 citation statements)

References 27 publications

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“…TFME sorbent as a casted thin film can be easily cut in a house‐shape format using a pair of scissors, and be placed in a cotter pin attached to the cap of the vial by piecing through a holder . So far, different extraction phases such as commercial and laboratory made poly dimethylsiloxane sorbents , octadecylsilane‐poly acrylonitrile , Carboxen‐DVB , poly(vinylidene fluoride) , conductive polymers , Nylon‐boehmite , and polystyrene‐carbon nanotubes have been used in TFME.…”

Section: Introductionmentioning

confidence: 99%

Octadecylsilane/Nylon‐6 composite as a thin‐film microextraction sorbent for the determination of bisphenol A in water samples

Saraji

Behbahan

2016

J of Separation Science

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We report on the fabrication of a thin-film composite for the extraction of bisphenol A from aqueous solutions. Nylon-6, C18 particles, and polyethylene glycol were used to prepare the thin film sorbent. Bisphenol A was used as a model compound to evaluate the extraction efficiency of the sorbent. High-performance liquid chromatography with UV detection was used for the analysis. The extraction yield of the sorbent was compared with other thin films fabricated using different sorbents including nanoclay, LiChrolut EN, and multiwalled carbon nanotubes. Experimental parameters affecting the extraction performance (extraction time, desorption condition, sample stirring, and ionic strength of the sample solution) were investigated. The detection limit and the dynamic range of the method were 0.05 and 0.15-50 μg/L, respectively. The relative standard deviation of the method at two concentration levels (0.5 and 20 μg/L) was less than 7.2%. Finally, a polycarbonate baby bottle, river water, and wastewater samples were analyzed by the method.

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Section: Introductionmentioning

confidence: 99%

Octadecylsilane/Nylon‐6 composite as a thin‐film microextraction sorbent for the determination of bisphenol A in water samples

Saraji

Behbahan

2016

J of Separation Science

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“…40,43 Methods using liquid chromatography with UV and uorescence detection are also reported in the recent literature. 12,18,22,29,32,44 These methods have achieved the required detection limits by using novel sample extraction methods that have resulted in better trace enrichment and matrix elimination. Comprehensive two dimensional gas chromatography coupled to mass spectrometry was another novel approach to determine environmental estrogens.…”

Section: Recent Advancements In Detection Methodsmentioning

confidence: 99%

“…Utilization of thin-lm microextraction (TFME) for the extraction of estrogenic compounds including bE2 in tea extracts, river and lake water was reported by Cai et al (2015). 32 Two types of thin lms (TFs), octadecylane-polyacrylonitrile (ODS-PAN) and polar enhanced phase polyacrylonitrile (PEP-PAN), were prepared for TFME by spraying techniques. Extractions were performed by directly immersing the TFs in liquid samples and desorbing the trapped analytes with MeOH.…”

Section: Utilization Of Magnetic Sorbents In Estrogen Extractionmentioning

confidence: 99%

Recent advancements in analytical methods for the determination of steroidal estrogen residues in environmental and food matrices

Gunatilake¹,

Munasinghe²,

Ranaweera³

et al. 2016

Anal. Methods

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Residue steroidal estrogens in environmental and food samples have become a cause for concern as they can affect organisms at low ppt concentrations. Analytical method development plays a key role in trace estrogen analysis due to the combination of low concentrations and complicated sample matrices. Reliable quantification of these trace level steroidal estrogens has become a major concern during the past decade. This mini review focuses on advancements in analytical methods developed for estrogen detection and quantification in environmental and food samples from 2014 -2016. A comprehensive overview of the novelties and the advantages of the recently developed sample pre-concentration, clean-up, and detection methods are discussed. During the past three years, a wide variety of sample extraction methods including, the utilization of innovative imprinted magnetic sorbents, QuEChERS (Quick, Easy, Cheap, Effective, Rugged and Safe) method and various microextraction methods such as Dispersive liquid-liquid micro extraction (DLLME), Thin film micro extraction (TFME), Solid phase microextraction (SPME), and Vortex assisted hollow fiber liquid-phase micro extraction (VA-HF-LPME) have been

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“…2,12,13 Thin-film microextraction (TFME) is a sampling and preconcentration technique, widely used for trace and multiresidue analyses in different fields, such as environmental, food, clinical, and bioanalytical applications. [14][15][16][17] Compared with traditional solid phase microextraction (SPME), a larger volume of extractive phase is employed with a wider surface area, improving sensitivity. Furthermore, TFME offers high flexibility, due to the several available extractive phases, coating methods, and geometry options.…”

Section: Liquid Chromatography Coupled To Mass Spectrometry (Lc-ms)mentioning

confidence: 99%

An innovative sampling approach combined with liquid chromatography–tandem mass spectrometry for the analysis of emerging pollutants in drinking water

et al. 2020

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In this work, an innovative sampling and preconcentration method followed by analysis with liquid chromatography coupled to tandem mass spectrometry with electrospray ionization (LC-ESI-MS/MS) was developed for the determination of different emerging pollutants (five anti-inflammatory drugs and one antibacterial agent) in water matrices. Thin-film microextraction blades, consisting of stainless steel blades with a coating made of divinylbenzene, have been employed. The blades, fixed onto a stainless steel support, were mounted on a laboratory stirrer with adjustable speed, immersed in water samples and eluted with methanol. The analytical procedure was developed, carefully optimizing stirring speed and extraction time. A good reproducibility among the blades was observed; quantitation limits at the ng L −1 level were achieved. Calibration curves were constructed by applying the whole procedure to tap water samples, free from analytes, spiked with standards in the concentration range 0.01-2 μg L −1 ; good linearity was obtained, with R 2 between 0.9984 and 0.9991.

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Comparison of two thin-film microextractions for the analysis of estrogens in aqueous tea extract and environmental water samples by high performance liquid chromatography-ultraviolet detection

Cited by 34 publications

References 27 publications

Octadecylsilane/Nylon‐6 composite as a thin‐film microextraction sorbent for the determination of bisphenol A in water samples

Octadecylsilane/Nylon‐6 composite as a thin‐film microextraction sorbent for the determination of bisphenol A in water samples

Recent advancements in analytical methods for the determination of steroidal estrogen residues in environmental and food matrices

An innovative sampling approach combined with liquid chromatography–tandem mass spectrometry for the analysis of emerging pollutants in drinking water

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