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- aggregation classification "A1".
- aggregation creator B409700.
- aggregation creator B409701.
- aggregation creator B409702.
- aggregation creator person.
- aggregation date "2012".
- aggregation format "application/pdf".
- aggregation hasFormat 3106714.bibtex.
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- aggregation isPartOf urn:issn:0003-2700.
- aggregation language "eng".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Chemistry".
- aggregation title "Direct trace-elemental analysis of urine samples by laser ablation-inductively coupled plasma mass spectrometry after sample deposition on clinical filter papers".
- aggregation abstract "Collection of biological fluids on clinical filter papers shows important advantages from a logistic point of view, although analysis of these specimens is far from straightforward. Concerning urine analysis, and particularly when direct trace elemental analysis by laser ablation-inductively coupled plasma mass spectrometry (LA-ICPMS) is aimed at, several problems arise, such as lack of sensitivity or different distribution of the analytes on the filter paper, rendering obtaining reliable quantitative results quite difficult. In this paper, a novel approach for urine collection is proposed, which circumvents many of these problems. This methodology consists on the use of precut filter paper discs where large amounts of sample can be retained upon a single deposition. This provides higher amounts of the target analytes and, thus, sufficient sensitivity, and allows addition of an adequate internal standard at the clinical lab prior to analysis, therefore making it suitable for a strategy based on unsupervised sample collection and ulterior analysis at referral centers. On the basis of this sampling methodology, an analytical method was developed for the direct determination of several elements in urine (Be, Bi, Cd, Co, Cu, Ni, Sb, Sn, TI, Pb, and V) at the low mu g L-1 level by means of LA-ICPMS. The method developed provides good results in terms of accuracy and LODs (<= 1 mu g L-1 for most of the analytes tested), with a precision in the range of 15%, fit-for-purpose for clinical control analysis.".
- aggregation authorList BK725801.
- aggregation endPage "8690".
- aggregation issue "20".
- aggregation startPage "8682".
- aggregation volume "84".
- aggregation aggregates 3106724.
- aggregation isDescribedBy 3106714.
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