Researchers have developed a biosensor 1 capable of simultaneously detecting very low concentrations of nitrate and nitrite ions (nitric oxide metabolites) in human plasma, blood and saliva samples, ...

Since July 2018 several drugs have been recalled due to contamination with N-nitrosodimethylamine (NDMA), a probable human carcinogen. Dimethylamine (DMA) and nitrite are precursors in the formation ...

The appearance of tobacco-specific nitrosamines is facilitated by the nitrite present in tobacco. Since most of these nitrosamines are carcinogenic, it is essential to determine the presence of ...

Ion chromatography, or the process of separating ions from a sample by passing it through a long column, is usually carried out in a laboratory using expensive, sophisticated equipment. Now, ...