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Related Concept Videos

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In Vivo Solid-Phase Microextraction and Applications in Environmental Sciences.

Miao Yu1, Anna Roszkowska2, Janusz Pawliszyn3

  • 1Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, New York 10029, United States.

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|April 27, 2023
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Summary
This summary is machine-generated.

Solid-phase microextraction (SPME) now enables in vivo sampling from living organisms, analyzing compounds without tissue collection. This advanced technique enhances environmental monitoring by directly assessing pollutants in plants and animals.

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Area of Science:

  • Environmental Science
  • Analytical Chemistry
  • Biotechnology

Background:

  • Solid-phase microextraction (SPME) is a crucial sample-preparation technique for environmental analysis.
  • SPME applications have expanded from volatile compound headspace extraction to direct tissue sampling in living organisms (in vivo SPME).

Purpose of the Study:

  • To detail the fundamentals of in vivo SPME, covering extraction modes, geometries, calibration, and data analysis.
  • To discuss recent applications of in vivo SPME in environmental studies and biological sample analysis.

Main Methods:

  • Utilizes biocompatible coatings and various calibration approaches for direct in vivo sampling.
  • Employs novel geometries like thin-film coatings, needle-trap devices, and coated tips to improve sensitivity and robustness.
  • Covers targeted and untargeted screening of small molecules in living systems.

Main Results:

  • In vivo SPME allows for the analysis of exogenous and endogenous compounds from plants and animals without tissue removal.
  • New SPME geometries significantly enhance sensitivity and robustness for in vivo sampling.
  • Demonstrates successful applications in environmental monitoring and analysis of pollutants in diverse biological matrices.

Conclusions:

  • In vivo SPME is a powerful, non-destructive technique for analyzing compounds in living organisms.
  • This method holds significant potential for targeted and untargeted small molecule screening in environmental monitoring.
  • Further development of in vivo SPME will advance our ability to assess biological exposure and environmental impact.