Related Experiment Video
Updated: Aug 2, 2026

08:46
Single Cell Transfection in Chick Embryos
Published on: September 25, 2010
Microapplicator and micropipette for inoculation of the embryonated chicken egg
Applied and Environmental Microbiology
|April 1, 1976
Summary
The micropipette offers a balance of speed and accuracy, outperforming traditional syringes in delivering precise doses of Aflatoxin G2. This finding is crucial for accurate toxicological studies.
Area of Science:
- Toxicology
- Analytical Chemistry
- Biotechnology
Background:
- Aflatoxin G2 is a potent mycotoxin requiring precise handling in laboratory settings.
- Accurate and efficient delivery systems are critical for reproducible toxicological assays.
Purpose of the Study:
- To compare the speed and accuracy of microapplicator and micropipette systems for Aflatoxin G2 delivery.
- To evaluate the performance of these systems against traditional syringes.
Main Methods:
- Aflatoxin G2 was used as a test substance.
- The 50% lethal dose (LD50) was determined for microapplicator, micropipette, and syringe systems.
- The lethal effect of a specific dose (4.0 mug) was assessed for G2 in both assay systems.
Main Results:
- The 50% lethal dose for both the microapplicator and micropipette were comparable.
- Aflatoxin G2 at 4.0 mug demonstrated an 85% lethal effect in both systems.
- The LD50 for microapplicator and micropipette was lower than that of the syringe.
Conclusions:
- The micropipette system uniquely combines the accuracy of the microapplicator with the speed of the syringe.
- Micropipettes represent an advancement in precise toxicological assay delivery systems.
- These findings support the use of micropipettes for enhanced accuracy and efficiency in mycotoxin research.

