Application of vesicular coacervate phase for microextraction based on solidification of floating drop
Abstract
A new, efficient and environmentally friendly method for the analysis of parabens as model compounds was developed using solidified floating vesicular coacervative drop microextraction (SFVCDME). A supramolecular solvent consisting of vesicles of decanoic acid in the nano- and microscale regimes was firstly used as the solvent in solidification of floating drop microextraction. The solvent was produced from the coacervation of decanoic acid aqueous vesicles in the presence of tetrabutylammonium (Bu(4)N(+)). Methylparaben (MP), ethylparaben (EP), and propylparaben (PP) were extracted on the basis of hydrophobic and π-cation interactions and the formation of hydrogen bonds. Microliter volume of vesicular coacervative droplet was delivered to the surface of the aqueous sample, and the sample was stirred for a desired time. The sample vial was cooled by immersing it into an ice bath for 3 min. The solidified solvent was transferred into a suitable vial and melted immediately. Twenty microliter of the vesicular coacervative solvent was directly injected to high-performance liquid chromatography-ultraviolet detection, with no need to dilution or solvent evaporation. Several parameters affecting the microextraction efficiency including sample temperature, stirring rate, pH, salt effect, volume of the solvent and extraction time were investigated and optimized. Under optimum conditions, preconcentration factors and relative recoveries of the studied compounds were obtained in the ran…
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Parabens have been previously extracted using DLLME with 1-octanol, decanoic acid, 1-decanol, or chlorobenzene.
“Parabens have been previously extracted using DLLME with 1-octanol [48], decanoic acid [49], 1-decanol [50], or chlorobenzene [51].”
From Automated dispersive liquid-liquid microextraction based on the solidification of the organic phase (2018) · cites this paper as [49]
In comparison with manual DLLME and DLLME-SFO, the reported automated DLLME-SFO approach has comparable LODs.
“In comparison with manual DLLME and DLLME-SFO, the reported approach has comparable LODs.”
From Automated dispersive liquid-liquid microextraction based on the solidification of the organic phase (2018) · cites this paper as [49]
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- Authors
- Moradi, M., & Yamini, Y.
- Affiliations
- Tarbiat Modares University (IR)
- Corresponding author
- Yamini, Yadollah
- Venue
- Journal of Chromatography A
- Publisher
- Elsevier BV
- Published
- 2012-03
- Volume
- 1229
- Pages
- 30-37
- ISSN
- 0021-9673 (ISSN-L)
- OpenAlex
- W1980794612
- Cited by
- 70
- References
- 5
- Citations by year
- 2026: 1 · 2025: 1 · 2024: 3 · 2023: 1 · 2022: 5 · 2021: 3 · 2020: 3 · 2019: 7 · 2018: 4 · 2017: 7 · 2016: 8 · 2015: 9 · 2014: 11 · 2013: 4 · 2012: 3
- FWCI
- 8.43
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Chromatography A (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Chemistry › Analytical Chemistry › Analytical chemistry methods development
- Physical Sciences › Chemistry › Organic Chemistry › Surfactants and Colloidal Systems
- Physical Sciences › Chemistry › Spectroscopy › Analytical Chemistry and Chromatography
- Keywords
- parabens, methylparaben, ethylparaben, propylparaben, preconcentration, cation-π interactions, hydrogen bonding, solid-phase extraction comparison
- MeSH terms
- Quaternary Ammonium Compounds, Chromatography, High Pressure Liquid, Cosmetics, Decanoic Acids, Models, Chemical, Models, Molecular, Parabens, Sewage, Sodium Chloride, Surface-Active Agents, Water Pollutants, Chemical, Reproducibility of Results, Rivers, Solid Phase Microextraction, Hydrophobic and Hydrophilic Interactions, Drinking Water
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