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Related Concept Videos

The Availability Heuristic01:08

The Availability Heuristic

A heuristic is a general problem-solving framework (Tversky & Kahneman, 1974). You can think of these as mental shortcuts that are used to solve problems. Different types of heuristics are used in different types of situations, and the impulse to use a heuristic occurs when one of five conditions is met (Pratkanis, 1989):

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Related Experiment Video

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High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities
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[Not Available].

O Kappenstein1, H St Klaffke, Hj Spott

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A new method accurately detects Deoxynivalenol (DON) at very low levels in food. This high-performance liquid chromatography with tandem mass spectrometry (LC-APCI-MS/MS) offers sensitive and selective analysis for mycotoxin detection.

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Area of Science:

  • Analytical Chemistry
  • Food Science
  • Mass Spectrometry

Context:

  • Mycotoxin contamination in food poses significant health risks.
  • Accurate detection of Deoxynivalenol (DON) is crucial for food safety.
  • Existing methods may lack the required sensitivity or selectivity.

Purpose:

  • To develop a sensitive and selective analytical method for Deoxynivalenol (DON) determination.
  • To establish a reliable quantification technique for trace levels of DON.
  • To validate the method's performance for food analysis.

Summary:

  • A novel method utilizing high-performance liquid chromatography coupled with atmospheric pressure chemical ionization tandem mass spectrometry (LC-APCI-MS/MS) was established.
  • The method employs MultiSep™ and Vicam™ DON immunoaffinity columns for sample purification.
  • Quantification was achieved using an external standard method with positive Multiple Reaction Monitoring (MRM), yielding a detection limit of 5 μg/kg.

Impact:

  • Provides a highly sensitive and selective tool for detecting trace levels of DON.
  • Enhances the capability for accurate mycotoxin monitoring in food products.
  • Contributes to improved food safety standards and regulatory compliance.