An aniline-based fiber coating for solid phase microextraction of polycyclic aromatic hydrocarbons from water followed by gas chromatography-mass spectrometry

Bagheri, Habib; Babanezhad, Esmaeil; Es-haghi, Ali

doi:10.1016/j.chroma.2007.02.007

Cited by 121 publications

(56 citation statements)

References 34 publications

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“…After seawater sample (with 10% ethanol) was added with internal standards of Nap-d 8 , Ace-d 10 , Phe-d 10 , Pyr-d 10 and BaP-d 12 , an aliquot (1.0-100 mL) of the mixture was introduced into the HPLC system through the HPLC pump 1. The inlet tubing was rinsed with the sample for 10 min before loading.…”

Section: Methodsmentioning

confidence: 99%

“…Solidphase microextraction with different coating materials or polymeric fiber was employed for the determination of PAHs in tap water, river water or rainwater, and these techniques provided large extraction capacity and high sensitivity ranged ng L −1 level when coupling with gas chromatography-mass spectrometry (GC-MS)/HPLC. [11][12][13] However, the evaporation of the eluate reduced the recoveries of PAHs having 2 to 3 rings which have high vapor pressures.…”

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confidence: 99%

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On-Line Concentration and Fluorescence Determination HPLC for Polycyclic Aromatic Hydrocarbons in Seawater Samples and Its Application to Japan Sea

Liu

Yoshida

Chondo

et al. 2012

CHEMICAL & PHARMACEUTICAL BULLETIN

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An on-line concentration and fluorescence determination HPLC for polycyclic aromatic hydrocarbons (PAHs) in seawater was proposed. An online concentration column packed with octadecyl polyvinyl alcohol polymer, a pump and a column switching valve were introduced in the conventional HPLC with a fluorescence detector. Only 1.0-100 mL seawater sample was introduced into the concentration column at 1.0 mL min 1 without any other pretreatment except filtration. Then the trapped PAHs totally flew into the separation column and eluted separately to be detected fluorogenically. The proposed method had good linearity with correlation coefficients (r) ranged from 0.951 to 0.998, and limits of detection ranged from 0.002 to 0.50 ng L 1 for 15 PAHs as 100 mL seawater was loaded. The sensitivity of the method was 10 to 100 times higher than those reported by other works. The proposed method was applied to the determination of PAHs in the seawater samples collected in the Japan Sea with satisfactory results and to check the present benzo[a] pyrene concentration at the beaches in Noto peninsula, Japan polluted with C-heavy oil spilled from the tanker in 1997.

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Section: Methodsmentioning

confidence: 99%

mentioning

confidence: 99%

On-Line Concentration and Fluorescence Determination HPLC for Polycyclic Aromatic Hydrocarbons in Seawater Samples and Its Application to Japan Sea

Liu

Yoshida

Chondo

et al. 2012

CHEMICAL & PHARMACEUTICAL BULLETIN

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“…The uses of polymeric material have been developed for extraction of PAHs in water samples in order to minimize the solvent waste [25,26]. In one of the D-µ-SPE procedure, 50 mg of nanoporous CaCO 3 was first conditioned with dichloromethane for 5 min and then placed in 5 ml water sample in a 10 ml glass centrifuge vial.…”

Section: Dispersive Micro-solid Phase Extraction (D-µ-spe)mentioning

confidence: 99%

Extraction Techniques for Determination of Polycyclic Aromatic Hydrocarbons in Water Samples

2016

IJSR

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Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous pollutants in our environment and their importance appears from their toxicity and carcinogenicity to human. Water can become contaminated with PAHs from different sources such as runoff in urban areas, waste water from certain industries and petroleum spills. The selected extraction technique, not only influences the accuracy of the results, but also determines the total analysis time and costs. Different extraction techniques used to release PAHs from water samples have been overviewed since proper extraction procedures were necessary to achieve optimum analytical results. The extraction performance of each technique in terms of extraction conditions, time and further treatment required were also comparable. Selecting the suitable and effective extraction method for extracting PAHs from different water samples have been highlighted in this review; the aim was to provide an overview of current knowledge and information in order to assess the need for further extraction, analysis and quantification of these toxic compounds in water samples.

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“…The one-step production of films, the fiber-to-fiber reproducibility and the control of fiber thickness by changing the number of scan cycles must be highlighted among its advantages. [19][20][21] Some organic solvents and supporting electrolytes have been used in the electropolymerization of polythiophene film and its derivatives. 15,16,20 The electrochemical properties of polythiophene films largely depend on the supporting electrolyte, especially on the type of anion.…”

Section: Electropolymerization Processmentioning

confidence: 99%

Evaluation of solid-phase microextraction using a polythiophene film and liquid chromatography with spectrophotometric detection for the determination of antidepressants in plasma samples

Caris¹,

Chaves²,

Queiroz³

2012

J. Braz. Chem. Soc.

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A fase extratora de politiofeno (PTh), desenvolvida por eletropolimerização em haste de aço inox, foi avaliada para microextração em fase sólida (SPME) e análise por cromatografia líquida com detecção espectrofotométrica (LC-UV) de antidepressivos inibidores seletivos da recaptação de serotonina (citalopram, paroxetina, fluoxetina e sertralina) em amostras de plasma. A influência das variáveis da eletropolimerização (velocidade de varredura de potencial, potencial e ciclos de varredura) foi avaliada no desempenho SPME. As variáveis SPME (tempo de extração, temperatura, pH da matriz, força iônica e procedimento de dessorção), assim como a influência das proteínas do plasma no mecanismo de sorção, foram também avaliadas. O método SPME-PTh/LC-UV desenvolvido para a determinação de antidepressivos em amostras de plasma apresentou faixa linear de resposta do limite de quantificação (LOQ, 200-250 ng mL -1 ) a 4000 ng mL -1 e precisão interensaio com coeficiente de variação no intervalo de 11 a 15%. O método proposto poderá ser utilizado para a determinação de antidepressivos em amostras de plasma humano para análises toxicológicas de urgência, após a ingestão acidental ou suicida de doses altas de medicamentos.Polythiophene (PTh) phase electropolymerized on the stainless steel wire was evaluated as solidphase microextraction (SPME), and analysis by liquid chromatography with spectrophotometric detection (LC-UV) for determination of new-generation antidepressants, selective serotonin reuptake inhibitors (SSRIs) (citalopram, paroxetine, fluoxetine and sertraline), in plasma samples. The influence of electropolymerization variables (scan rate, potential range and scan cycles) was evaluated on SPME performance. The SPME variables (extraction time, temperature, matrix pH, ionic strength and desorption procedure), as well as the influence of plasma proteins on sorption mechanisms were also evaluated. The SPME/LC-UV method developed for determination of antidepressants in plasma sample presented a linear range between the limit of quantification (LOQ, 200-250 ng mL -1 ) to 4000 ng mL -1 , and interday precision with coefficient of variation (CV) ranged from 11 to 15%. The proposed method can be a useful tool for the determination of antidepressants in human plasma samples in urgent toxicological analysis after the accidental or suicidal intake of higher doses of medications.

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An aniline-based fiber coating for solid phase microextraction of polycyclic aromatic hydrocarbons from water followed by gas chromatography-mass spectrometry

Cited by 121 publications

References 34 publications

On-Line Concentration and Fluorescence Determination HPLC for Polycyclic Aromatic Hydrocarbons in Seawater Samples and Its Application to Japan Sea

On-Line Concentration and Fluorescence Determination HPLC for Polycyclic Aromatic Hydrocarbons in Seawater Samples and Its Application to Japan Sea

Extraction Techniques for Determination of Polycyclic Aromatic Hydrocarbons in Water Samples

Evaluation of solid-phase microextraction using a polythiophene film and liquid chromatography with spectrophotometric detection for the determination of antidepressants in plasma samples

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