{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,11]],"date-time":"2026-01-11T01:07:30Z","timestamp":1768093650531,"version":"3.49.0"},"reference-count":23,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2013,1,10]],"date-time":"2013-01-10T00:00:00Z","timestamp":1357776000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Spanish Ministry of Economy and Competitiveness","award":["AGL2009-07884"],"award-info":[{"award-number":["AGL2009-07884"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J of Separation Science"],"published-print":{"date-parts":[[2013,2]]},"abstract":"<jats:p>In this manuscript, a dispersive SPE method based on the use of multiwalled carbon nanotubes has been developed for the determination of 15 organophosphorus pesticides residues including some of their metabolites (disulfoton sulfoxide, ethoprophos, cadusafos, dimethoate, terbufos, disulfoton, chlorpyrifos\u2010methyl, malaoxon, fenitrothion, pirimiphos\u2010methyl, malathion, chlorpyrifos, terbufos sulfone, disulfoton sulfone, and fensulfothion) from real environmental waters (run\u2010off, mineral and tap water) by GC with nitrogen phosphorus detection. Factors that affect the enrichment efficiency such as sample volume, multiwalled carbon nanotubes amount, and volume of eluent were studied. The optimized method was validated in terms of matrix\u2010matched calibration, recovery, precision, and accuracy for the three analyzed samples. In this last case, the developed Student\u00b4s <jats:italic>t<\/jats:italic> test demonstrated that there were no significant differences between real and spiked concentrations. Optimum dispersive SPE conditions (extraction of 200 mL of water, pH 6.0, with 130 mg of multiwalled carbon nanotubes, elution with 25 mL of dichloromethane for run\u2010off and tap water and 30 mL for mineral water) allowed the quantitative extraction of analytes at levels lower than the maximum residues limits legislated by the European Union, with LODs between 1.16 and 93.6 ng\/L. Absolute recovery values achieved were in the range of 67\u2013107% (RSD values &lt;10.1%).<\/jats:p>","DOI":"10.1002\/jssc.201200782","type":"journal-article","created":{"date-parts":[[2013,1,10]],"date-time":"2013-01-10T06:35:19Z","timestamp":1357799719000},"page":"556-563","source":"Crossref","is-referenced-by-count":69,"title":["Analysis of pesticides residues in environmental water samples using multiwalled carbon nanotubes dispersive solid\u2010phase extraction"],"prefix":"10.1002","volume":"36","author":[{"given":"Miguel \u00c1ngel","family":"Gonz\u00e1lez\u2010Curbelo","sequence":"first","affiliation":[{"name":"Departamento de Qu\u00edmica Anal\u00edtica Nutrici\u00f3n y Bromatolog\u00eda Facultad de Qu\u00edmica Universidad de La Laguna (ULL)  La Laguna (Tenerife) Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Antonio V.","family":"Herrera\u2010Herrera","sequence":"additional","affiliation":[{"name":"Departamento de Qu\u00edmica Anal\u00edtica Nutrici\u00f3n y Bromatolog\u00eda Facultad de Qu\u00edmica Universidad de La Laguna (ULL)  La Laguna (Tenerife) Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Javier","family":"Hern\u00e1ndez\u2010Borges","sequence":"additional","affiliation":[{"name":"Departamento de Qu\u00edmica Anal\u00edtica Nutrici\u00f3n y Bromatolog\u00eda Facultad de Qu\u00edmica Universidad de La Laguna (ULL)  La Laguna (Tenerife) Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Miguel \u00c1ngel","family":"Rodr\u00edguez\u2010Delgado","sequence":"additional","affiliation":[{"name":"Departamento de Qu\u00edmica Anal\u00edtica Nutrici\u00f3n y Bromatolog\u00eda Facultad de Qu\u00edmica Universidad de La Laguna (ULL)  La Laguna (Tenerife) Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2013,1,10]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.taap.2006.09.016"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.etap.2010.01.006"},{"key":"e_1_2_7_4_1","unstructured":"EU Council Directive on the Quality of Water Intended for Human Consumption 2000\/60\/EC European Union Brussels2000."},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1002\/elps.201000021"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.chroma.2009.08.013"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.chroma.2011.12.070"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00604-011-0735-8"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00216-011-4656-5"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1365\/s10337-010-1769-5"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00216-011-4885-7"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00216-012-6103-7"},{"key":"e_1_2_7_13_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.chroma.2012.05.016"},{"key":"e_1_2_7_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.aca.2012.04.035"},{"key":"e_1_2_7_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.chroma.2009.10.083"},{"key":"e_1_2_7_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jhazmat.2009.03.065"},{"key":"e_1_2_7_17_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.chroma.2007.07.061"},{"key":"e_1_2_7_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.chroma.2007.07.009"},{"key":"e_1_2_7_19_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.microc.2007.10.002"},{"key":"e_1_2_7_20_1","doi-asserted-by":"publisher","DOI":"10.1002\/jssc.200800352"},{"key":"e_1_2_7_21_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.talanta.2007.09.005"},{"key":"e_1_2_7_22_1","doi-asserted-by":"publisher","DOI":"10.1039\/b816271a"},{"key":"e_1_2_7_23_1","doi-asserted-by":"crossref","first-page":"1044","DOI":"10.1002\/jssc.200900494","volume":"33","author":"Mohammad\u2010Reza H.","year":"2010","journal-title":"J. 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