To check if chicken is done you can prick it with a fork to see clear juices run or make a small incision to look for any remaining pink. (savoryexperiments.com)
Valoa uses the same technology for estimating glucose concentration in other liquids e.g. beverages, liqueurs, clear juices etc.. (fb101.com)
It can measure sugar in white wines, red wines, sparkling wines, liqueurs, and even clear juices. (fb101.com)