Afonso AM - Search Results

1

Utilization of an ionic liquid in situ preconcentration method for the determination of the 15 + 1 European Union polycyclic aromatic hydrocarbons in drinking water and fruit-tea infusions.

Germán-Hernández M, Crespo-Llabrés P, Pino V, Ayala JH, Afonso AM. Germán-Hernández M, et al. Among authors: afonso am. J Sep Sci. 2013 Aug;36(15):2496-506. doi: 10.1002/jssc.201300393. Epub 2013 Jul 9. J Sep Sci. 2013. PMID: 23720279

2

The ionic liquid 1-hexadecyl-3-methylimidazolium bromide as novel extracting system for polycyclic aromatic hydrocarbons contained in sediments using focused microwave-assisted extraction.

Pino V, Anderson JL, Ayala JH, González V, Afonso AM. Pino V, et al. Among authors: afonso am. J Chromatogr A. 2008 Feb 29;1182(2):145-52. doi: 10.1016/j.chroma.2008.01.009. Epub 2008 Jan 8. J Chromatogr A. 2008. PMID: 18206899

3

Coupling the extraction efficiency of imidazolium-based ionic liquid aggregates with solid-phase microextraction-gas chromatography-mass spectrometry. Application to polycyclic aromatic hydrocarbons in a certified reference sediment.

Guerra-Abreu L, Pino V, Anderson JL, Afonso AM. Guerra-Abreu L, et al. Among authors: afonso am. J Chromatogr A. 2008 Dec 19;1214(1-2):23-9. doi: 10.1016/j.chroma.2008.10.084. Epub 2008 Oct 28. J Chromatogr A. 2008. PMID: 18996538

4

Ionic liquids as desorption solvents and memory effect suppressors in heterocyclic aromatic amines determination by SPME-HPLC fluorescence.

Martín-Calero A, Ayala JH, González V, Afonso AM. Martín-Calero A, et al. Among authors: afonso am. Anal Bioanal Chem. 2009 Jun;394(4):937-46. doi: 10.1007/s00216-008-2568-9. Epub 2008 Dec 23. Anal Bioanal Chem. 2009. PMID: 19104777

5

Ionic liquids as mobile phase additives in high-performance liquid chromatography with electrochemical detection: application to the determination of heterocyclic aromatic amines in meat-based infant foods.

Martín-Calero A, Pino V, Ayala JH, González V, Afonso AM. Martín-Calero A, et al. Among authors: afonso am. Talanta. 2009 Aug 15;79(3):590-7. doi: 10.1016/j.talanta.2009.04.032. Epub 2009 May 3. Talanta. 2009. PMID: 19576417

6

Determination of water pollutants by direct-immersion solid-phase microextraction using polymeric ionic liquid coatings.

López-Darias J, Pino V, Anderson JL, Graham CM, Afonso AM. López-Darias J, et al. Among authors: afonso am. J Chromatogr A. 2010 Feb 19;1217(8):1236-43. doi: 10.1016/j.chroma.2009.12.041. Epub 2009 Dec 21. J Chromatogr A. 2010. PMID: 20044092

7

Suitability of ionic liquids as mobile-phase additives in HPLC with fluorescence and UV detection for the determination of heterocyclic aromatic amines.

Martín-Calero A, Tejral G, Ayala JH, González V, Afonso AM. Martín-Calero A, et al. Among authors: afonso am. J Sep Sci. 2010 Feb;33(2):182-90. doi: 10.1002/jssc.200900596. J Sep Sci. 2010. PMID: 20087869

8

Dispersive liquid-liquid microextraction versus single-drop microextraction for the determination of several endocrine-disrupting phenols from seawaters.

López-Darias J, Germán-Hernández M, Pino V, Afonso AM. López-Darias J, et al. Among authors: afonso am. Talanta. 2010 Mar 15;80(5):1611-8. doi: 10.1016/j.talanta.2009.09.057. Epub 2009 Oct 4. Talanta. 2010. PMID: 20152385

9

Utilization of a benzyl functionalized polymeric ionic liquid for the sensitive determination of polycyclic aromatic hydrocarbons; parabens and alkylphenols in waters using solid-phase microextraction coupled to gas chromatography-flame ionization detection.

López-Darias J, Pino V, Meng Y, Anderson JL, Afonso AM. López-Darias J, et al. Among authors: afonso am. J Chromatogr A. 2010 Nov 12;1217(46):7189-97. doi: 10.1016/j.chroma.2010.09.016. Epub 2010 Sep 21. J Chromatogr A. 2010. PMID: 20933234

10

Use of ionic liquid aggregates of 1-hexadecyl-3-butyl imidazolium bromide in a focused-microwave assisted extraction method followed by high-performance liquid chromatography with ultraviolet and fluorescence detection to determine the 15+1 EU priority PAHs in toasted cereals ("gofios").

Germán-Hernández M, Pino V, Anderson JL, Afonso AM. Germán-Hernández M, et al. Among authors: afonso am. Talanta. 2011 Aug 15;85(2):1199-206. doi: 10.1016/j.talanta.2011.05.048. Epub 2011 May 31. Talanta. 2011. PMID: 21726759

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