67 research outputs found
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Determination of four arsenic species in soil by sequential extraction and high performance liquid chromatography with post-column hydride generation and inductively coupled plasma optical emission spectrometry detection
Discriminant validity and test re-test reproducibility of a gait assessment in patients with vestibular dysfunction
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Determination of selenium by flow injection hydride generation inductively coupled plasma optical emission spectrometry
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Simultaneous speciation of arsenic and selenium in human urine by high-performance liquid chromatography inductively coupled plasma mass spectrometry
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Selective detection and identification of Se containing compounds - review and recent developments
The complexity of selenium (Se) chemistry in the environment and in living organisms presents broad analytical challenges. The selectivequalitative and quantitative determination of particular species of this element is vital in order to understand selenium’s metabolism andsignificance in biology, toxicology, clinical chemistry and nutrition. This calls for state-of-the-art analytical techniques such as hyphenatedmethods that are reviewed with particular emphasis on interfaced separation with element-selective detection and identification of the detectedselenium compounds. Atomic spectral element specific detection for monitoring chromatographic eluent enabled quantitative determinationof selenium species in selenized yeast and qualitative measurement for breath samples. Gas chromatography with atomic emission detection(AED) of ethylated species and fluoroacid ion pair HPLC applied to the analysis of currently produced or archived selenized yeast and Brassicajuncea have revealed the presence of a previously unrecognised Se–S amino acid, S-(methylseleno)cysteine
Chromatographic speciation of anionic and neutral selenium compounds in Se-accumulating Brassica juncea (Indian mustard) and in selenized yeast
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High-performance liquid chromatography of selenium compounds utilizing perfluorinated carboxylic acid ion-pairing agents and inductively coupled plasma and electrospray ionization mass spectrometric detection
Microwave-assisted extraction of monomethyl arsonic acid from soil and sediment standard reference materials
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