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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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High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities

Published on: November 15, 2013

[Not Available].

B Mayer1, E Schneider, E Usleber

  • 1Lehrstuhl für Hygiene und Technologie der Milch, Ludwig-Maximilians-Universität München, Veterinärstr. 13, D-80539, München.

Mycotoxin Research
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Summary
This summary is machine-generated.

A new immunochemical test system enables simultaneous detection of seven key mycotoxins in cereals. This rapid, visual method offers sensitive detection limits for crucial food safety analysis.

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Area of Science:

  • Food Science and Technology
  • Analytical Chemistry
  • Immunochemistry

Context:

  • Mycotoxins pose significant risks to food safety and human health.
  • Accurate and rapid detection methods are crucial for monitoring food contamination.
  • Existing methods can be time-consuming and require specialized equipment.

Purpose:

  • To develop a rapid, simultaneous immunochemical test for seven major mycotoxins.
  • To create a reusable test device for visual, qualitative or semi-quantitative analysis.
  • To establish detection limits in buffer and artificially contaminated cereal samples.

Summary:

  • A reusable immunofiltration test device was developed for simultaneous detection of aflatoxin B1, fumonisin B1, ochratoxin A, deoxynivalenol, T-2 toxin, diacetoxyscirpenol, and roridin A.
  • The test involves visual comparison of color intensity after applying sample extract, enzyme conjugate, wash, and color developer solutions.
  • Detection limits in buffer ranged from 0.5 ng/ml (AFB1, DAS) to 500 ng/ml (DON), and in cereal samples from 5 ng/g (DAS) to 3500 ng/g (DON).

Impact:

  • Provides a rapid and accessible tool for mycotoxin screening in food safety laboratories.
  • Facilitates simultaneous analysis, improving efficiency in detecting multiple contaminants.
  • Contributes to enhanced food quality control and reduced risk of mycotoxin exposure.