Rapid magnetic solid phase extraction with in situ derivatization of methylmercury in seawater by Fe3O4/polyaniline nanoparticle

Mehdinia, Ali; Roohi, Fateme; Jabbari, Ali

doi:10.1016/j.chroma.2011.04.070

Cited by 131 publications

(49 citation statements)

References 57 publications

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“…Compared to traditional SPE sorbents, nanomaterials possess a large surface area and short diffusion route, which may result in high extraction efficiency and rapid extraction dynamics [47]. For investigating the optimum amount of the magnetic nanoparticles, amounts of magnetic nanoparticles from 5 to 25 mg were investigated.…”

Section: Quantity Of Magnetic Nanoparticlesmentioning

confidence: 99%

Silane modified magnetic nanoparticles as a novel adsorbent for determination of morphine at trace levels in human hair samples by high-performance liquid chromatography with diode array detection

Boojaria

Masrournia

Ghorbani

et al. 2015

Forensic Sci Med Pathol

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In this paper we report a novel, sensitive, and rapid method of magnetic solid phase extraction based on surface modified magnetic nanoparticles as a novel nano sorbent for HPLC determination of morphine with diode array detection in human hair samples. Factors affecting the extraction efficiency of the proposed method, including the sample pH, quantity of magnetic nanoparticles, sample volume, desorption solvent type and its volume, and extraction time were investigated and optimized. Under the optimized experimental conditions, a good linearity was observed in the range of 1-800 µgL(-1) for the morphine, with a correlation coefficient (R (2)) of 0.990. The pre-concentration factor of 208.69 was achieved in this method. The detection limit of the method was 0.1 μgL(-1) based on S/N = 3 and good reproducibility with a relative standard deviations lower than (n = 5) 2.59 %. The proposed method has been successfully applied to the analysis of trace amounts of morphine in human hair samples with satisfactory results. This method can be applied in medical toxicology research and forensic medical centers.

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Section: Quantity Of Magnetic Nanoparticlesmentioning

confidence: 99%

Silane modified magnetic nanoparticles as a novel adsorbent for determination of morphine at trace levels in human hair samples by high-performance liquid chromatography with diode array detection

Boojaria

Masrournia

Ghorbani

et al. 2015

Forensic Sci Med Pathol

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“…Some other polymers, such as polyaniline [184], polydopamine [185] and polypyrrole [185,186], are used commonly. Also, surfactants, such as trimethylammonium bromide (CTAB) and sodium dodecyl sulfate (SDS) [187,188], are functionalized on the surface of the MNPs.…”

Section: Fe3o4 Magnetic Nanoparticlesmentioning

confidence: 99%

Recent advances in solid-phase sorbents for sample preparation prior to chromatographic analysis

Wen

Chen

et al. 2014

TrAC Trends in Analytical Chemistry

342

123

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A B S T R A C TSample preparation is a crucial bottleneck in the whole analytical process. Solid-phase sorbents (SPSs) have aroused increasing interest in research on sample preparation, as they have key roles in obtaining high clean-up and enrichment efficiency in the analysis of trace targets present in complex matrices. The objective of this review is to provide a broad overview of the recent advances and applications of SPSs in sample preparation prior to chromatographic analysis, during the period 2008-13. We include SPSs, such as molecularly-imprinted polymers, carbon nanomaterials, metallic nanoparticles and metal organic frameworks, focusing on solid-phase extraction, solid-phase microextraction, matrix solid-phase dispersion and stir-bar sorptive extraction of typical pollutants in environmental, biological, food and pharmaceutical samples. We propose remaining challenges and future perspectives to improve development of new SPSs and to apply them further.

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Section: Introductionmentioning

confidence: 99%

“…If the volume of polluted water is huge, a centrifugal separation will be inapplicable [13]. The application of a magnetic technology can solve this problem with the distinct advantage of magnetic isolation by an external magnetic field [13,21,22,34,35]. Different types of magnetic nanoparticles have been synthesized for the extraction and determination of both organic and inorganic pollutants [36,37].…”

Section: Introductionmentioning

confidence: 99%

“…Compared with the traditional SPE sorbents, the nanomaterials always have higher extraction efficiency owing to the larger surface area and shorter diffusion route during the extraction [13]. As a novel kind of nanomaterials, CNTs have been used as the effective sorbents for the preconcentration and removal of both organic pollutants and metal ions in water [14][15][16][17][18].…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Silver modified magnetic carbon nanotubes composite as a selective solid phase extractor for preconcentration and determination of trace mercury ions in water solution

Yuan

Wang

Zhai

et al. 2013

International Journal of Environmental Analytical Chemistry

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Rapid magnetic solid phase extraction with in situ derivatization of methylmercury in seawater by Fe3O4/polyaniline nanoparticle

Cited by 131 publications

References 57 publications

Silane modified magnetic nanoparticles as a novel adsorbent for determination of morphine at trace levels in human hair samples by high-performance liquid chromatography with diode array detection

Silane modified magnetic nanoparticles as a novel adsorbent for determination of morphine at trace levels in human hair samples by high-performance liquid chromatography with diode array detection

Recent advances in solid-phase sorbents for sample preparation prior to chromatographic analysis

Silver modified magnetic carbon nanotubes composite as a selective solid phase extractor for preconcentration and determination of trace mercury ions in water solution

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