Coupling of multi-walled carbon nanotubes/polydimethylsiloxane coated stir bar sorptive extraction with pulse glow discharge-ion mobility spectrometry for analysis of triazine herbicides in water and soil samples

Zou, Nan; Yuan, Chunhao; Liu, Shaowen; Yang, Han; Li, Yanjie; Zhang, Jialei; Xu, Xiang; Li, Xuesheng; Pan, Canping

doi:10.1016/j.chroma.2016.06.043

Cited by 35 publications

(10 citation statements)

References 42 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The features of the proposed sample preparation method in terms of linearity, detection limits, and precisions were evaluated under the optimal pretreatment conditions (Table S2) . Linearity was evaluated by spiking deionized water with different amounts of the pesticides at seven concentrations from 10 to 500 ng/L, analyzing each level in the triplicate.…”

Section: Resultsmentioning

confidence: 99%

Solid-phase extraction disk based on multiwalled carbon nanotubes for the enrichment of targeted pesticides from aqueous samples

et al. 2017

View full text Add to dashboard Cite

A sensitive method for the determination of six varying polarity pesticides (imidacloprid, acetamiprid, carbendazim, simazine, linuron, and tebufenozide) based on a solid-phase extraction disk with multiwalled nanotubes is proposed.A dispersion of multiwalled nanotubes in a surfactant aqueous solution (Triton X-100) was used for the preparation of the solid-phase extraction disk. The effect of surfactant on the functional groups of multiwalled nanotubes was examined by applying temperature-programmed desorption. It was found that this treatment increased the amount of oxygen groups of treated multiwalled nanotubes comparing with untreated ones. The factors that may influence the adsorption and recovery such as the kind and volume of eluent, volume, flow rate and pH of sample were investigated and optimized. Under the optimized conditions, the maximal enrichment factors for low polar pesticides are ranging from 4000 to 4985 and for more polar are 2250 and 2750. The linear range of calibration curves was 10-500 ng/L with correlation coefficient higher than 0.9960, and the detection limit was 6.2-23.7 ng/L. Finally optimized method was applied for determination trace level of five out of six pesticides in tap and river water samples with good recovery.

show abstract

Section: Resultsmentioning

confidence: 99%

Solid-phase extraction disk based on multiwalled carbon nanotubes for the enrichment of targeted pesticides from aqueous samples

et al. 2017

View full text Add to dashboard Cite

show abstract

“…SWCNTs and MWCNTs have been also coupled with a plethora of microextraction techniques and miniaturized extraction techniques for the sample preparation of water samples [67][68][69][70][71][72] as discussed in Section 3.…”

Section: Development Of Novel Sorbents For the Extraction Of Triazine Herbicidesmentioning

confidence: 99%

Recent advances in the extraction of triazine herbicides from water samples

Manousi

Kabir

Zachariadis

2021

J of Separation Science

View full text Add to dashboard Cite

Pesticides are excessively used in agriculture to improve the quality of crops by eliminating the negative effects of pests. Among the different groups of pesticides, triazine pesticides are a group of compounds that contain a substituted C 3 H 3 N 3 heterocyclic ring, and they are widely used. Triazine pesticides can be dangerous for humans as well as for the aquatic environment because of their high toxicity and endocrine disrupting effect. However, the concentration of these chemical compounds in water samples is low. Moreover, other compounds that may exist in the water samples can interfere with the determination of triazine pesticides. As a result, it is important to develop sample preparation methods that provide preconcentration of the target analyte and sufficient clean-up of the samples. Recently, a wide variety of novel microextraction and miniaturized extraction techniques (e.g., solid-phase microextraction and liquid-phase microextraction, stir bar sorptive extraction, fabric phase sorptive extraction, dispersive solid-phase extraction, and magnetic solid-phase extraction) have been developed. In this review, we aim to discuss the recent advances regarding the extraction of triazine pesticides from environmental water samples. Emphasis will be given to novel sample preparation methods and novel sorbents developed for sorbent-based extraction techniques.

show abstract

“…Ion mobility spectrometry is also more easily adapted to real time monitoring than many other analytical instruments (Márquez-Sillero et al 2011). Operation of IMS does not require complex pre-processing preparation of the sample, and its efficiency has been demonstrated for analysis and characterization of volatile compounds in samples of diverse nature, environmental, and food samples (Garrido-Delgado et al 2015;Chouinard et al 2016;Zou et al 2016;Gerhardt et al 2017;Arroyo-Manzanaresa et al 2018). At the same time, the ion mobility rate of IMS is only related to the substance itself, it is absolute, and the qualitative analysis is accurate.…”

Section: Introductionmentioning

confidence: 99%

Determination of compounds in Eucommia ulmoides Oliv. bark and its fermentation products via headspace gas chromatography-ion mobility spectrometry

Wang¹,

Peng²,

She³

et al. 2020

BioRes

View full text Add to dashboard Cite

The flavor fingerprint of Eucommia ulmoides Oliv. bark (EUb) and its fermentation product were investigated, and volatile compounds were analyzed using headspace gas chromatography-ion mobility spectrometry (HS-GC-IMS) combined with partial least squares discrimination analysis (PLS-DA). A total of 71 peaks were identified, of which 51 target compounds were characterized, including alcohols, aldehydes, acids, and esters. The gallery plot contained 186 signal peaks. The results indicate there were significant differences in the volatile constituents of the three edible fungi. Furthermore, EUb also had its own unique composition of volatile components, and after fermentation with different edible fungi, the volatile components in the product changed significantly compared to the raw materials. A PLS-DA was performed based on the signal intensity of the target volatile compounds obtained; the results clearly showed that the samples (edible fungi, EUb, and different fermentation products) in a relatively independent space were well distinguished. This further illustrated that the composition and content of volatile components from EUb were significantly changed by microorganisms through bio-fermentation. Combining the signal intensity of the flavor substance, the difference between the different fermentation products was also clearly observed, and the flavor compound’s fingerprint was established by HS-GC-IMS and PLS-DA methods.

show abstract

Coupling of multi-walled carbon nanotubes/polydimethylsiloxane coated stir bar sorptive extraction with pulse glow discharge-ion mobility spectrometry for analysis of triazine herbicides in water and soil samples

Cited by 35 publications

References 42 publications

Solid-phase extraction disk based on multiwalled carbon nanotubes for the enrichment of targeted pesticides from aqueous samples

Solid-phase extraction disk based on multiwalled carbon nanotubes for the enrichment of targeted pesticides from aqueous samples

Recent advances in the extraction of triazine herbicides from water samples

Determination of compounds in Eucommia ulmoides Oliv. bark and its fermentation products via headspace gas chromatography-ion mobility spectrometry

Contact Info

Product

Resources

About