Pen-Like Sensor Changes Color when Exposed to Harmful Gases
Written by AZoSensorsFeb 12 2021
Certain colorless, odorless, and tasteless gases, such as nerve agents, can be toxic or even lethal if humans are exposed to them. The potential to detect vapors of other kinds could prevent people from eating rotten or spoiled food.
The handy pen’s tip changes color when exposed to harmful gases. Adapted from ACS Materials Letters, 2021, DOI: 10.1021/acsmaterialslett.0c00516.
Therefore, user-friendly, portable devices could be very useful in safeguarding the public. Scientists have now developed a pen-like sensor that changes in color upon exposure to hazardous gases. The findings of the study have been described in