2012
DOI: 10.1039/c2mt00186a
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Improving metallomics information related to transgenic and non-transgenic soybean seeds using 2D-HPLC-ICP-MS and ESI-MS/MS

Abstract: This work reports the use of 2D-HPLC-ICP-MS to enlarge metallomics information when considering soybean seeds. Separations using size exclusion chromatography (SEC) allowed the identification of three metal fractions: the first corresponding to molecular weights from 38.1 to 181.1 kDa, the second from 8.2 to 17.2 kDa and the third from 0.4 to 3.8 kDa. In a second dimension, using anion exchange chromatography (AEX), three sub-fractions containing Fe, Mg and Mn, one containing Cu, and three containing Co, Cu, M… Show more

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Cited by 22 publications
(4 citation statements)
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“…Ionomics has been used to compare transgenic and non-transgenic soybeans (Yan et al, 2007 ; Mataveli et al, 2010 , 2012 ). Similarly, another study proposed a combination of microwave-induced combustion (MIC) and ICP-MS to analyze bromine, chlorine, iodine, and the associated products in soybeans (Barbosa et al, 2013 ).…”
Section: Ionomics Improvementmentioning
confidence: 99%
“…Ionomics has been used to compare transgenic and non-transgenic soybeans (Yan et al, 2007 ; Mataveli et al, 2010 , 2012 ). Similarly, another study proposed a combination of microwave-induced combustion (MIC) and ICP-MS to analyze bromine, chlorine, iodine, and the associated products in soybeans (Barbosa et al, 2013 ).…”
Section: Ionomics Improvementmentioning
confidence: 99%
“…Verola Mataveli et al 78 utilizando um diferente arranjo de técnicas de detecção associada a cromatografia de exclusão por tamanho procuraram explorar novas informações metalômicas relacionadas às sementes de soja transgênicas e não-transgênicas. Por meio da SEC identificaram e separaram três diferentes frações metálicas, posteriormente uma nova separação, agora com uma cromatografia de troca aniônica, foi realizada, e finalmente as proteínas foram caracterizadas com um espectrômetro de massa com ionização por eletropulverização (ESI-MS/MS).…”
Section: Cromatografia Por Exclusão De Tamanhosunclassified
“…HPLC separates analytes using two immiscible phases or layers, one of which is held stationary while the other moves over it [47,100]. A variety of chromatographic modes have been developed and are used depending on the analytes: protein isolation and puri cation using ion-exchange (AEX), hydrophobic interaction chromatography (HIC), a nity chromatography (AC), reversed-phase (RP-HPLC) and/or size exclusion chromatography (SEC) [101][102][103].…”
Section: Proteomics Studiesmentioning
confidence: 99%
“…e AEX, HIC and RP-HPLC modes are also used for peptide analysis [59,72,101,[104][105][106][107]. e chromatographic modes are based on several di erent mechanisms; RP-HPLC is used for the separation of neutral species on the basis of hydrophobicity, AEX is used for the separation of ionic solutes on the basis of charge, SEC is used for the separation of molecules on the basis of di erences in molecular size, and AC is used for the separation of biomolecules on the basis of the lock-and-key mechanism prevalent in biological systems [100].…”
Section: Proteomics Studiesmentioning
confidence: 99%