Direct Determination of Selenium in Human Blood Serum and Plasma by Electrothermal Atomic Absorption Spectrometry

Poor micronutrient intake and status is a public health problem among adolescent Mozambican girls

“…Serum selenium was determined by electrothermal atomic absorption spectrometry using palladium modifier and Zeeman background correction [15]. The mean accuracy for the external quality materials ClinChek (Recipe, Munich, Germany) was 2.3 %.…”

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“…However, just like other detection methods, even ETAAS is not free from drawbacks. There are some well-known issues that are associat-µg/L) to be a major source of interference [52]. The effect of iron and phosphorus is much more significant.…”

“…The effect of iron and phosphorus is much more significant. In normal serum, iron concentration is usually less than 2 mg/L and interference in the determination of Se is not likely to be significant unless the sample is hemolyzed [52]. The spectral interference due to phosphate can rather be expected.…”

“…Spectral interferences in the determination of Se by ETAAS can be caused by the presence of high levels of chromium, cobalt, iron, nickel and phosphorus [50][51][52]. Spectral lines arising from these constituents exist close to the 196.0 or 204.0 nm Se resonance lines.…”

Effect of vitamin E and selenium supplementation on oxidative stress status in pulmonary tuberculosis patients

“…Plasma vitamin E levels were measured by HPLC 15 . The serum concentration of selenium was assessed by graphite furnace atomic absorption spectrometry (Shimadzu, Model 6300, Kyoto, Japan) 16 …”