Colorimetric and near-infrared spectrophotometric monitoring of bisulfite using glyoxal modified chromenylium-cyanine chemosensor: Smartphone and paper strip applications for on-site food and beverages control
There are numerous chemicals that people use to make their lives easier, safer, and more efficient. HSO3- is a crucial anion for most life forms, and is often used as a food preservative for its enzyme inhibitor, antimicrobial agent, and antioxidant features. It, therefore, provides a long shelf life for food and beverages. However, various studies have shown that the excess amount of HSO3- can lead to cardiovascular diseases, respiratory diseases like asthma, lung cancer, and allergic reactions such as wheezing, hives, and breathing difficulties. So, the detection of this ion instantly and continuously is very important.