{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,9]],"date-time":"2026-09-09T12:42:59Z","timestamp":1788957779195,"version":"build-2803163510"},"reference-count":43,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2023,6,7]],"date-time":"2023-06-07T00:00:00Z","timestamp":1686096000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100013142","name":"Key Research and Development Project of Hainan Province","doi-asserted-by":"publisher","award":["ZDYF2021XDNY185"],"award-info":[{"award-number":["ZDYF2021XDNY185"]}],"id":[{"id":"10.13039\/501100013142","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Nutr."],"abstract":"<jats:p>Rapid, sensitive and simultaneous determination of trace multi-elements in various plant food samples such as grain, oilseed, vegetable and tea is always a challenge thus far. In this work, a rapid determination method for Se, Cd, As and Pb in food samples by inductively coupled plasma mass spectrometry (ICP-MS) using slurry sampling electrothermal vaporization (SS-ETV) was developed. To improve the analytical sensitivity and precision as well as eliminate the memory effect, a gas turbulator line and signal delay device (SDD) were for the first time designed for the graphite furnace (GF) ETV coupled with ICP-MS. The signal acquisition parameters of ICP-MS, ashing and vaporization conditions, and the flow rates of carrier gas and gas turbulator were investigated for Se, Cd, As and Pb in food samples. Under the optimized conditions, the limits of determination (LODs) for Se, Cd, As and Pb were 0.5 ng g<jats:sup>\u22121<\/jats:sup>, 0.3 ng g<jats:sup>\u22121<\/jats:sup>, 0.3 ng g<jats:sup>\u22121<\/jats:sup> and 0.6 ng g<jats:sup>\u22121<\/jats:sup>, respectively; the limits of quantification (LOQs) for Se, Cd, As and Pb were 1.7 ng g<jats:sup>\u22121<\/jats:sup>, 1.0 ng g<jats:sup>\u22121<\/jats:sup>, 1.0 ng g<jats:sup>\u22121<\/jats:sup> and 1.9 ng g<jats:sup>\u22121<\/jats:sup>, respectively; linearity (<jats:italic>R<jats:sup>2<\/jats:sup><\/jats:italic>) in the range of 1 to 4,000 ng g<jats:sup>\u22121<\/jats:sup> was &amp;gt;0.999 using the standard addition method. This method was used to analyze 5 CRMs including rice, tea and soybeans, and the concentrations detected by this method were within the range of the certified values. The recoveries of Se, Cd, As and Pb in plant food matrices including grain, oilseed, celery, spinach, carrot and tea samples were 86\u2013118% compared to the microwave digestion ICP-MS method; and the relative standard deviations (RSDs) were 1.2\u20138.9% for real food sample analysis, proving a good precision and accuracy for the simultaneous determination of multi-elements. The analysis time was less than 3\u2009min, slurry preparation time\u2009&amp;lt;\u20095\u2009min without sample digestion process. The proposed direct slurry sampling ICP-MS method is thus suitable for rapid and sensitive determination of Se, Cd, As and Pb in food samples with advantages such as simplicity, green and safety, as well as with a promising application potential in detecting more elements to protect food safety and human health.<\/jats:p>","DOI":"10.3389\/fnut.2023.1201801","type":"journal-article","created":{"date-parts":[[2023,6,7]],"date-time":"2023-06-07T05:28:07Z","timestamp":1686115687000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":21,"title":["Rapid and sensitive determination of Se and heavy metals in foods using electrothermal vaporization inductively coupled plasma mass spectrometry with a novel transportation system"],"prefix":"10.3389","volume":"10","author":[{"given":"Guanyu","family":"Lan","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xue","family":"Li","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jijun","family":"Yao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaofeng","family":"Yu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qinghai","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cheng","family":"Qiu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xuefei","family":"Mao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2023,6,7]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","first-page":"1","DOI":"10.3390\/nu9010022","article-title":"Dietary selenium and human health","volume":"9","author":"Schomburg","year":"2017","journal-title":"Nutrients"},{"key":"ref2","doi-asserted-by":"publisher","first-page":"22421","DOI":"10.1007\/s11356-019-05467-6","article-title":"The paradox in accumulation behavior of cadmium and selenium at different planting times in rice","volume":"26","author":"Farooq","year":"2019","journal-title":"Environ Sci Pollut Res"},{"key":"ref3","doi-asserted-by":"publisher","first-page":"229","DOI":"10.3390\/min7110229","article-title":"Selenium and other trace element mobility in waste products and weathered sediments at Parys Mountain copper mine, Anglesey, UK","volume":"7","author":"Bullock","year":"2017","journal-title":"Minerals"},{"key":"ref4","doi-asserted-by":"publisher","first-page":"114417","DOI":"10.1016\/j.jenvman.2021.114417","article-title":"Effect of sewage sludge-based fertilizers on biomass growth and heavy metal accumulation in plants","volume":"305","author":"Kominko","year":"2022","journal-title":"J Environ Manag"},{"key":"ref5","doi-asserted-by":"publisher","first-page":"101420","DOI":"10.1016\/j.ecoinf.2021.101420","article-title":"Modeling analysis of the characteristics of selenium-rich soil in heavy metal high background area and its impact on main crops","volume":"66","author":"Xie","year":"2021","journal-title":"Ecol. 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