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[Practical advice concerning biological fluids for analysis of trace-elements]

P Chappuis1, A Pineau, O Guillard

  • 1Laboratoire central de biochimie, hôpital Lariboistière, Paris, France.

Annales De Biologie Clinique
|January 1, 1994
PubMed
Summary
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Proper biological fluid sampling is crucial for accurate trace element analysis. This guide details specimen handling to prevent contamination and improve results in clinical settings.

Area of Science:

  • Analytical Chemistry
  • Clinical Diagnostics
  • Biomedical Science

Context:

  • Accurate trace element determination in biological fluids is vital for diagnostics.
  • Biologists often underestimate the impact of sampling conditions on analytical results.
  • Routine clinical sampling procedures require careful consideration of potential contaminants.

Purpose:

  • To highlight the critical importance of sampling conditions in trace element analysis.
  • To provide practical guidance on collecting biological fluids, focusing on contamination control.
  • To review common collection systems and anticoagulants used in hospital settings.

Summary:

  • This report emphasizes the significance of sampling conditions for trace element analysis in biological fluids.

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  • It critically examines the contaminating role of air and specimen handling procedures.
  • Commercial systems including needles, catheters, tubes, and anticoagulants are reviewed, with recommendations for hospital use.

    • Impact:

    • Improved accuracy and reliability of trace element measurements in clinical samples.
    • Enhanced understanding among biologists regarding best practices for biological fluid collection.
    • Standardized protocols for specimen handling to minimize errors in diagnostic testing.