A sol-gel colorimetric sensor for methamphetamine detection

- A sol-gel colorimetric sensor was developed for methamphetamine detection.
- The sensor was used together with a color analysis application on a mobile phone.
- The sensor was used to quantify the drug in illicit tablets and urine sample.
- The results from sol-gel sensor were good agreement with GC-FID.
- It provided a novel platform for rapid quantitative analysis of methamphetamine.