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Analytical approaches for biomedical elemental analysis.

G R Hook, J M Hosseini, R J Elin

    Journal of the American College of Nutrition
    |January 1, 1985
    PubMed
    Summary
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    This study reviews analytical systems for biomedical elemental analysis in human nutrition. It details principles, detection limits, and applications for macro, micro, and ultramicro volume techniques.

    Area of Science:

    • Biomedical Science
    • Analytical Chemistry
    • Human Nutrition

    Background:

    • Accurate elemental analysis is crucial for understanding human nutrition.
    • Various analytical techniques exist, each with specific applications and limitations.
    • Classifying these systems by sample volume aids in selecting appropriate methods.

    Purpose of the Study:

    • To provide a comprehensive overview of analytical systems for biomedical elemental analysis.
    • To compare different techniques based on their principles, detection limits, and potential artifacts.
    • To guide researchers in choosing the most suitable method for their specific nutritional analysis needs.

    Main Methods:

    • Flame Atomic Absorption Spectroscopy (FAAS)
    • Inductively Coupled Plasma (ICP)

    Related Experiment Videos

  • Electrothermal Atomization (Graphite Furnace) Atomic Absorption Spectroscopy (ETA-AAS)
  • X-ray Fluorescence (XRF)
  • Electron Probe X-ray Microanalysis (EPX)
  • Laser Microprobe Mass Analysis (LAMMA)

    • Main Results:

    • Analytical systems are categorized into macro, micro, and ultramicro volume types.
    • Each system (FAAS, ICP, ETA-AAS, XRF, EPX, LAMMA) is evaluated for its analytical performance.
    • Key parameters discussed include detection limits and common analytical artifacts.

    Conclusions:

    • The choice of analytical system depends on the sample volume and specific research question.
    • Understanding the capabilities and limitations of each technique is essential for reliable elemental analysis in human nutrition.
    • This review serves as a guide for selecting appropriate methods in biomedical elemental analysis.