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“Spectrometric determination of silicon in food and biological samples: an interlaboratory trial”. van Dyck K, Robberecht H, van Cauwenbergh R, Deelstra H, Arnaud J, Willemyns L, Benijts F, Centeno JA, Taylor H, Soares ME, Bastos ML, Ferreira MA, d'Haese PC, Lamberts LV, Hoenig M, Knapp G, Lugowski SJ, Moens L, Riondato J, Van Grieken R, Claes M, Verheyen R, Clement L, Uytterhoeven M, Journal of analytical atomic spectrometry 15, 735 (2000). http://doi.org/10.1039/B000572J
Abstract: Accuracy and precision of silicon determination in biological matrices (serum, urine, water, beer and spinach) by spectrometric techniques (when necessary after acid destruction) were assessed by means of a collaborative interlaboratory trial. The trial was set up in accordance with ISO 5725-2 (1994). The relative overall repeatability standard deviation was acceptable. It varied between 4% for spinach powder (mean content: 176 mg kg(-1)) and 11% for serum (mean content: 5.33 mg L-1). On the other hand, the relative overall between-laboratory standard deviation was found to vary from a satisfactorily 15% for spinach after destruction (mean content: 3.32 mg L-1) to an unacceptable 107% for spinach powder (mean content: 176 mg kg(-1)). The overall conclusion of the trial was that silicon determination in biological matrices can properly be performed by spectrometric techniques. However, when sample pretreatment (i.e., acid destruction) is needed prior to silicon determination problems still remain.
Keywords: A1 Journal article; Behavioural Ecology & Ecophysiology; Pathophysiology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1039/B000572J
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“Evaluation of different techniques used to determine aluminium in patients with chronic renal failure”. Visser WJ, Van de Vyver FL, Verbueken AH, d'Haese P, Bekaert AB, Van Grieken RE, Duursma SA, de Broe ME, (1985)
Keywords: P3 Proceeding; Pathophysiology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Laboratory Experimental Medicine and Pediatrics (LEMP)
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“Ultrastructural localization of aluminum in patients with dialysis-associated osteomalacia”. Verbueken AH, van de Vijver FL, Van Grieken RE, Paulus GJ, Visser WJ, d'Haese P, de Broe ME, Clinical chemistry : international journal of laboratory medicine and molecular diagnostics 30, 763 (1984)
Abstract: Using laser microprobe mass analysis, we studied the ultrastructural localization of aluminum in liver and bone tissue of chronic-hemodialysis patients with proven aluminum-induced osteomalacia. In the liver, aluminum was observed to be almost exclusively associated with iron. Detectable aluminum and large amounts of iron were found in lysosomes of both hepatocytes and Kupffer cells. In bone, aluminum was localized at the osteoid/calcified-bone interface and also was associated with iron in some cases.
Keywords: A1 Journal article; Pharmacology. Therapy; Pathophysiology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Laboratory Experimental Medicine and Pediatrics (LEMP)
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“Patterns of iron storage in patients with severe renal failure”. van de Vijver FL, Vanheule AO, Verbueken AH, Van Grieken R, d'Haese P, Visser WJ, Bekaert AB, Buyssens N, de Broe ME, Contributions to nephrology 38, 153 (1984)
Keywords: A1 Journal article; Pharmacology. Therapy; Pathophysiology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Laboratory Experimental Medicine and Pediatrics (LEMP)
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“Correlation of serum aluminium values with tissue aluminium concentration”. de Broe ME, van de Vijver FL, Bekaert AB, d'Haese P, Paulus GJ, Visser WJ, Van Grieken R, de Wolff FA, Verbueken AH, Contributions to nephrology 38, 37 (1984)
Keywords: A1 Journal article; Pharmacology. Therapy; Pathophysiology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Laboratory Experimental Medicine and Pediatrics (LEMP)
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