Nanoparticles as a younger member of the trace element species family - a food perspective

Zuzana Gajdosechova, Katrin Loeschner*

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

Speciation analysis plays a key role in understanding the biological activity and toxicity of an element. So far, classical speciation analysis focused only on the dissolved fraction of an elemental species, whereas nanoparticle forms of analytes are being widely found in consumer and industrial products. A significant contributor to human exposure to nanoparticles is through food into which nanoparticles can be incorporated from endogenous sources or they may be formed naturally in the living organisms. Nanoparticles often undergo changes in the food matrices and upon consumption, in the gastrointestinal tract, which present a significant challenge to their characterisation. Therefore, a combination of both classical and nanoparticle speciation analytical techniques is needed for the characterisation of both dissolved and particulate forms of the chemical species. This article presents and discusses the current trends in analysis of nanoparticle behaviour in the gastrointestinal tract and formation and characterisation of biogenic nanoparticles.
Original languageEnglish
JournalAnalytical and Bioanalytical Chemistry
Volume416
Pages (from-to)2585-2594
Number of pages10
ISSN1618-2642
DOIs
Publication statusPublished - 2024

Keywords

  • Nanoparticles
  • Speciation
  • Food
  • Gastrointestinal tract
  • Dissolution
  • Biogenic

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