Related Experiment Videos
Analysis of medication off-odors using an electronic nose
S S Schiffman1, B G Kermani, H T Nagle
1Department of Psychiatry, Duke University Medical Center, Durham, NC 27710, USA.
Chemical Senses
|April 1, 1997
Summary
An electronic nose, a novel gas sensor array, identified specific packaging components causing off-odors in pharmaceutical inhalants. This technology offers a solution for detecting packaging-related odors, especially when human assessment is unsafe.
Area of Science:
- Analytical Chemistry
- Materials Science
- Pharmaceutical Technology
Background:
- Packaging materials can introduce undesirable odors into pharmaceutical products.
- Identifying the source of these off-odors is crucial for product quality and patient safety.
Purpose of the Study:
- To investigate the use of an electronic nose for identifying packaging-related off-odors in pharmaceutical inhalants.
- To pinpoint specific packaging components responsible for off-odors in a case study.
Main Methods:
- Utilized an array of conducting polymer gas sensors (electronic nose) to analyze pharmaceutical inhalant canisters.
- Applied signal processing algorithms to sensor data to differentiate between tainted and untainted samples.
- Conducted experiments to determine the interaction between propellant and packaging components.
Main Results:
- The electronic nose successfully distinguished between tainted and untainted inhalant canisters.
- Analysis indicated that specific elastomeric components within the canister were the source of the off-odor.
- The propellant (Freon) was found to extract odorants from the elastomeric components.
Conclusions:
- The electronic nose is a viable tool for identifying sources of off-odors in pharmaceutical packaging.
- This instrumentation method is particularly useful in scenarios where direct human sensory evaluation is hazardous.
- The study highlights the importance of material-odor interactions in pharmaceutical packaging development.